CN218866293U - Focusing fixing column, lens assembly and projector - Google Patents
Focusing fixing column, lens assembly and projector Download PDFInfo
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- CN218866293U CN218866293U CN202222999324.3U CN202222999324U CN218866293U CN 218866293 U CN218866293 U CN 218866293U CN 202222999324 U CN202222999324 U CN 202222999324U CN 218866293 U CN218866293 U CN 218866293U
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Abstract
An embodiment of the utility model provides a focusing fixed column, camera lens subassembly and projecting apparatus relates to camera lens focusing field. This focusing and fixing column is including the solid fixed ring of first solid fixed ring and the solid fixed ring of second that communicate in proper order, and the outer fringe of first solid fixed ring has the multistage circular arc, and the diameter of every section circular arc is different. When the focusing and fixing column is used, the focusing and fixing column sleeve is arranged on the main lens cone, the first fixing ring is matched with the focusing ring, the second fixing ring is matched with the focusing group, and the first fixing ring is provided with a plurality of sections of circular arcs, and the diameters of all sections of circular arcs are different, so that the first fixing ring can be matched with the focusing rings with different sizes, the adaptability of the focusing and fixing column is improved, the focusing efficiency is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to a camera lens focusing field particularly, relates to a focusing fixed column, camera lens subassembly and projecting apparatus.
Background
With the continuous iteration of projection equipment and the continuous addition of new technologies, the production cost of the projection equipment is also high, and in order to achieve the purpose of cost reduction, the mode of starting from each part and stage of the equipment, sharing multiple projects of parts, enabling multiple stages of parts and the like is the preferred mode.
The problem that focusing can not be achieved by matching with focusing rings of different sizes exists in a lens focusing mode of a projector in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a focusing fixed column, camera lens subassembly and projecting apparatus, its focusing ring that can the not unidimensional of adaptation can cooperate with the focusing ring of not unidimensional and realize the focusing, has improved focusing efficiency, reduce cost.
The embodiment of the utility model discloses a can realize like this:
the embodiment of the utility model provides a focusing and fixing column, which comprises a first fixing ring and a second fixing ring which are sequentially communicated;
the outer edge of the first fixing ring is provided with a plurality of sections of circular arcs, and the diameters of the circular arcs are different.
Optionally, the plurality of circular arcs are connected in sequence along the circumferential direction of the first fixing ring.
Optionally, the number of arcs is at least two.
Optionally, the second fixing ring comprises a connecting ring and a circular ring, one end of the connecting ring is connected with the first fixing ring, and the other end of the connecting ring is connected with the circular ring.
Optionally, the outer diameter of the connection ring is larger than the outer diameter of the circular ring, and the outer diameter of the connection ring is smaller than the outer diameter of the first fixing ring.
Optionally, the end face of the first fixing ring is provided with an identification hole.
The embodiment of the utility model also provides a lens component, which comprises a focusing ring, a main lens cone and the focusing fixing column;
the focusing ring is sleeved on the main lens cone, the focusing fixing column is also sleeved on the main lens cone and is in contact with the main lens cone, the focusing ring is in contact with the focusing fixing column, and the focusing ring is used for rotating relative to the main lens cone so as to drive the focusing fixing column to slide relative to the main lens cone.
Optionally, the lens assembly further includes a focusing group, the focusing group is sleeved on the main lens barrel and connected to the focusing fixing column, and the focusing fixing column is used for driving the focusing group to slide relative to the main lens barrel under the driving of the focusing ring.
Optionally, the first fixing ring is attached to the focusing ring, the connecting ring of the second fixing ring is attached to the main lens barrel, and the ring of the second fixing ring is connected to the focusing group.
An embodiment of the utility model also provides a projector, including the shell and the lens subassembly, the lens subassembly set up in the shell.
The utility model discloses focusing fixed column, camera lens subassembly and projecting apparatus's beneficial effect includes, for example:
the focusing and fixing column comprises a first fixing ring and a second fixing ring which are sequentially communicated, wherein the outer edge of the first fixing ring is provided with a plurality of sections of circular arcs, and the diameter of each section of circular arc is different. When the focusing and fixing column is used, the focusing and fixing column sleeve is arranged on the main lens cone, the first fixing ring is matched with the focusing ring, the second fixing ring is matched with the focusing group, and the first fixing ring is provided with a plurality of sections of circular arcs, and the diameters of all sections of circular arcs are different, so that the first fixing ring can be matched with the focusing rings with different sizes, the adaptability of the focusing and fixing column is improved, the focusing efficiency is improved, and the cost is reduced.
The lens assembly comprises a focusing ring, a main lens cone and a focusing and fixing column, wherein the focusing ring is sleeved on the main lens cone, the focusing and fixing column is also sleeved on the main lens cone and is in contact with the focusing and fixing column, and the focusing ring is used for rotating relative to the main lens cone so as to drive the focusing and fixing column to slide relative to the main lens cone. When the focusing and fixing column is used, the focusing and fixing column sleeve is arranged on the main lens cone, the first fixing ring is matched with the focusing ring, the second fixing ring is matched with the focusing group, and the first fixing ring is provided with a plurality of sections of circular arcs, and the diameters of all sections of circular arcs are different, so that the first fixing ring can be matched with the focusing rings with different sizes, the adaptability of the focusing and fixing column is improved, the focusing efficiency is improved, and the cost is reduced.
This projecting apparatus includes shell and camera lens subassembly, and the camera lens subassembly sets up in the shell. When the focusing and fixing column is used, the focusing and fixing column sleeve is arranged on the main lens cone, the first fixing ring is matched with the focusing ring, the second fixing ring is matched with the focusing group, and the first fixing ring is provided with a plurality of sections of circular arcs, and the diameters of all sections of circular arcs are different, so that the first fixing ring can be matched with the focusing rings with different sizes, the adaptability of the focusing and fixing column is improved, the focusing efficiency is improved, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a lens assembly provided in this embodiment;
fig. 2 is a schematic structural diagram of a first view angle of a focus fixing column according to this embodiment;
fig. 3 is a schematic structural diagram of a second view angle of the focus fixing column according to this embodiment.
Icon: 10-a first retaining ring; 11-circular arc; 20-a second retaining ring; 21-a connecting ring; 22-a circular ring; 30-identification holes; 100-focusing and fixing column; 200-a focus ring; 300-a main barrel; 1000-lens assembly.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as 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 present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
With the continuous iteration of projection equipment and the continuous addition of new technologies, the production cost of the projection equipment is also high, and in order to achieve the purpose of cost reduction, the mode of starting from each part and stage of the equipment, sharing multiple projects of parts, enabling multiple stages of parts and the like is the preferred mode.
The problem that focusing cannot be achieved by matching with focusing rings of different sizes exists in a lens focusing mode of a projector in the related art.
Referring to fig. 1-3, the present embodiment provides a projector (not shown) including a housing and a lens assembly 1000, wherein the lens assembly 1000 is disposed on the housing. The projector can effectively improve the technical problems, can adapt to the focusing rings 200 with different sizes, can be matched with the focusing rings 200 with different sizes to realize focusing, improves the focusing efficiency and reduces the cost.
Referring to fig. 1, the lens assembly 1000 includes a focus ring 200, a main barrel 300, and a focus fixing column 100, wherein the focus ring 200 is sleeved on the main barrel 300, the focus fixing column 100 is also sleeved on the main barrel 300 and contacts with the main barrel 300, specifically, the focus fixing column 100 is fixed on the focus barrel located inside the main barrel by a screw, the focus ring 200 contacts with the focus fixing column 100, and the focus ring 200 is configured to rotate relative to the main barrel 300 to drive the focus fixing column 100 to slide relative to the main barrel 300.
More, the lens assembly 1000 further includes a focusing group, the focusing group is sleeved on the main barrel 300 and connected to the focusing fixing posts 100, and the focusing fixing posts 100 are used for driving the focusing group to slide relative to the main barrel 300 under the driving of the focusing ring 200.
The first fixing ring 10 of the focus fixing column 100 is attached to the focus ring 200, the connection ring 21 of the second fixing ring 20 of the focus fixing column 100 is attached to the main barrel 300, and the ring 22 of the second fixing ring 20 is connected to the focus group.
It should be noted that the focusing ring 200 is provided with a groove, an inner wall of the groove is an inclined surface, the focusing and fixing column 100 is arranged in the groove and abuts against the inclined surface, the focusing and fixing column 100 and the focusing group are sleeved together, and the adjusting ring can rotate relative to the main lens barrel 300, so as to drive the focusing and fixing column 100 to slide relative to the main lens barrel 300, and further drive the focusing group to slide relative to the main lens barrel 300, thereby achieving the purpose of focusing.
Referring to fig. 2-3, the focus fixing column 100 includes a first fixing ring 10 and a second fixing ring 20 sequentially connected to each other, the outer edge of the first fixing ring 10 has a plurality of circular arcs 11, and the diameters of the circular arcs 11 are different.
Specifically, because the sizes of the focusing rings in different projectors in the prior art are different, in the lens trial production stage, the same focusing fixing column can only meet the matching size of one focusing ring, the focusing efficiency is low in the production process, and the process is complicated. In order to solve the technical problem, when the focus fixing column 100 provided in this embodiment is used, the focus fixing column 100 is sleeved on the main lens barrel 300, and the first fixing ring 10 is matched with the focus ring 200, and the second fixing ring 20 is matched with the focus group, because the first fixing ring 10 has a plurality of sections of circular arcs 11, and the diameters of the circular arcs 11 are different, the first fixing ring 10 can be matched with the focus rings 200 with different sizes, thereby improving the adaptability of the focus fixing column 100, improving the focus efficiency, and reducing the cost.
Wherein, the outer fringe of first solid fixed ring 10 is polished or is mellow and full according to actual demand for the outer fringe of first solid fixed ring 10 can form multistage circular arc 11, thereby adapts to the not unidimensional focusing ring 200 on the different lens subassembly 1000. Specifically, the first fixing ring 10 is rotated to select the circular arc 11 matching the outer diameter of the focus ring 200, and then the first fixing ring 10 is fitted over the main barrel 300.
Specifically, the focus fixing column 100 is connected and positioned with the main barrel 300 by a screw.
More, the focusing fixing column 100 is manufactured by adopting an injection molding manufacturing process, and compared with the prior art, the processing difficulty and the processing cost of the focusing fixing column are not greatly different, but the focusing fixing column 100 can be matched with focusing rings 200 with more sizes, so that the cost is greatly reduced.
In the present embodiment, the plurality of arcs 11 are sequentially connected in the circumferential direction of the first fixing ring 10.
In the present embodiment, the number of the circular arcs 11 is at least two. Specifically, the number of the circular arcs 11 is three. In other embodiments, the number of arcs 11 may be increased or decreased. And is not particularly limited herein.
It should be noted that the diameter of the circular arc 11 may be 2.6cm, 2.5cm or 2.55cm, and in other embodiments, the diameter of the circular arc 11 may also be other sizes, which are designed according to actual requirements, and are not specifically limited herein.
More, the width of the first fixing ring 10 is 3.35cm.
In the present embodiment, the second fixing ring 20 includes a connection ring 21 and a circular ring 22, one end of the connection ring 21 is connected to the first fixing ring 10, and the other end of the connection ring 21 is connected to the circular ring 22. Specifically, the coupling ring 21 is engaged with the focus group, and the ring 22 is engaged with the main barrel 300.
In the present embodiment, the connection ring 21 has a circular ring shape.
More, the width of the connection ring 21 is 1.15cm, and the width of the circular ring 22 is 2cm.
In the present embodiment, the outer diameter of the connection ring 21 is larger than the outer diameter of the circular ring 22.
In the present embodiment, the outer diameter of the connection ring 21 is smaller than the outer diameter of the first fixing ring 10.
Note that, in order to prevent the first fixing ring 10 from being used incorrectly with respect to the arc 11 of the first fixing ring 10 after the arc 11 matching the focus adjustment ring 200 is determined, the end surface of the first fixing ring 10 is provided with the identification hole 30.
Specifically, the identification hole 30 is a threaded through hole.
The working principle of the lens assembly 1000 provided by the embodiment is as follows:
under the condition that the lens needs to be focused, the inclined planes of the first fixing ring 10 and the focusing ring 200 are abutted, the connecting ring 21 is matched with the focusing group, the circular ring 22 is matched with the main lens barrel 300, and the focusing ring 200 is rotated, so that the focusing ring 200 drives the first fixing ring 10 abutted against the focusing ring 200 to slide, the connecting ring 21, the circular ring 22 and the focusing group are sequentially driven to slide, and the purpose of focusing is achieved.
The focusing fixing column 100, the lens assembly 1000 and the projector provided by the embodiment have at least the following advantages:
because the sizes of the focusing rings in different projectors in the prior art are different, in the lens trial production stage, the same focusing fixing column can only meet the matching size of one focusing ring, the focusing efficiency is low in the production process, and the process is complicated. In order to solve the technical problem, when the focus fixing column 100 provided in this embodiment is used, the focus fixing column 100 is sleeved on the main lens barrel 300, and the first fixing ring 10 is matched with the focus ring 200, and the second fixing ring 20 is matched with the focus group, because the first fixing ring 10 has a plurality of sections of circular arcs 11, and the diameters of the circular arcs 11 are different, the first fixing ring 10 can be matched with the focus rings 200 with different sizes, thereby improving the adaptability of the focus fixing column 100, improving the focus efficiency, and reducing the cost.
In order to prevent the first fixing ring 10 from erroneously using the arc 11 of the first fixing ring 10 after the arc 11 matching the focus ring 200 is determined, the focus fixing column 100 has an identification hole 30 formed in an end surface of the first fixing ring 10.
To sum up, the embodiment of the utility model provides a focusing and fixing column 100, camera lens subassembly 1000 and projecting apparatus, this focusing and fixing column 100 is including the solid fixed ring of first solid fixed ring 10 and the solid fixed ring of second 20 that communicate in proper order, and the outer fringe of first solid fixed ring 10 has multistage circular arc 11, and every section circular arc 11's diameter is different. When the focusing and fixing column 100 is used, the focusing and fixing column 100 is sleeved on the main lens barrel 300, the first fixing ring 10 is matched with the focusing ring 200, and the second fixing ring 20 is matched with the focusing group, because the first fixing ring 10 is provided with a plurality of sections of circular arcs 11, and the diameters of each section of circular arcs 11 are different, the first fixing ring 10 can be matched with the focusing rings 200 with different sizes, so that the adaptability of the focusing and fixing column 100 is improved, the focusing efficiency is improved, and the cost is reduced.
The lens assembly 1000 comprises a focusing ring 200, a main lens barrel 300 and a focusing and fixing column 100, wherein the focusing ring 200 is sleeved on the main lens barrel 300, the focusing and fixing column 100 is also sleeved on the main lens barrel 300, the focusing ring 200 is in contact with the focusing and fixing column 100, and the focusing ring 200 is used for rotating relative to the main lens barrel 300 so as to drive the focusing and fixing column 100 to slide relative to the main lens barrel 300. When the focusing and fixing column 100 is used, the focusing and fixing column 100 is sleeved on the main lens cone 300, the first fixing ring 10 is matched with the focusing ring 200, and the second fixing ring 20 is matched with the focusing group, because the first fixing ring 10 is provided with a plurality of sections of circular arcs 11, and the diameters of the circular arcs 11 are different, the first fixing ring 10 can be matched with the focusing rings 200 with different sizes, thereby improving the adaptability of the focusing and fixing column 100, improving the focusing efficiency and reducing the cost.
The projector includes a housing and a lens assembly 1000, the lens assembly 1000 being disposed on the housing. When the focusing and fixing column 100 is used, the focusing and fixing column 100 is sleeved on the main lens barrel 300, the first fixing ring 10 is matched with the focusing ring 200, and the second fixing ring 20 is matched with the focusing group, because the first fixing ring 10 is provided with a plurality of sections of circular arcs 11, and the diameters of each section of circular arcs 11 are different, the first fixing ring 10 can be matched with the focusing rings 200 with different sizes, so that the adaptability of the focusing and fixing column 100 is improved, the focusing efficiency is improved, and the cost is reduced.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A focusing and fixing column is characterized by comprising a first fixing ring (10) and a second fixing ring (20) which are sequentially communicated;
the outer edge of the first fixing ring (10) is provided with a plurality of sections of circular arcs (11), and the diameters of the circular arcs (11) are different.
2. The focusing and fixing column according to claim 1, characterized in that the multiple circular arcs (11) are connected in sequence along the circumferential direction of the first fixing ring (10).
3. The focus-fixing post according to claim 1, characterized in that the number of said circular arcs (11) is at least two.
4. The focusing and fixing column according to claim 1, wherein the second fixing ring (20) comprises a connecting ring (21) and a circular ring (22), one end of the connecting ring (21) is connected with the first fixing ring (10), and the other end of the connecting ring (21) is connected with the circular ring (22).
5. The focusing and fixing column according to claim 4, characterized in that the outer diameter of the connecting ring (21) is larger than the outer diameter of the circular ring (22), and the outer diameter of the connecting ring (21) is smaller than the outer diameter of the first fixing ring (10).
6. The focusing and fixing column according to any one of claims 1 to 5, characterized in that the end face of the first fixing ring (10) is provided with an identification hole (30).
7. A lens assembly, comprising a focus ring (200), a main barrel (300), and the focus fixing column (100) according to any one of claims 1 to 6;
the focusing ring (200) is sleeved on the main lens barrel (300), the focusing fixing columns (100) are also sleeved on the main lens barrel (300) and are in contact with the main lens barrel (300), the focusing ring (200) is in contact with the focusing fixing columns (100), and the focusing ring (200) is used for rotating relative to the main lens barrel (300) so as to drive the focusing fixing columns (100) to slide relative to the main lens barrel (300).
8. The lens assembly of claim 7, wherein the lens assembly (1000) further comprises a focusing group, the focusing group is sleeved on the main barrel (300) and connected to the focusing and fixing posts (100), and the focusing and fixing posts (100) are used for driving the focusing group to slide relative to the main barrel (300) under the driving of the focusing ring (200).
9. The lens assembly of claim 8, wherein the first fixing ring (10) and the focusing ring (200) are attached, the connecting ring (21) of the second fixing ring (20) is attached to the main barrel (300), and the ring (22) of the second fixing ring (20) is connected to the focusing group.
10. A projector comprising a housing and the lens assembly (1000) of any of claims 8-9, the lens assembly (1000) being disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999324.3U CN218866293U (en) | 2022-11-10 | 2022-11-10 | Focusing fixing column, lens assembly and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999324.3U CN218866293U (en) | 2022-11-10 | 2022-11-10 | Focusing fixing column, lens assembly and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218866293U true CN218866293U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222999324.3U Active CN218866293U (en) | 2022-11-10 | 2022-11-10 | Focusing fixing column, lens assembly and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218866293U (en) |
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2022
- 2022-11-10 CN CN202222999324.3U patent/CN218866293U/en active Active
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