CN218974756U - Focusing structure of projector - Google Patents
Focusing structure of projector Download PDFInfo
- Publication number
- CN218974756U CN218974756U CN202222704612.1U CN202222704612U CN218974756U CN 218974756 U CN218974756 U CN 218974756U CN 202222704612 U CN202222704612 U CN 202222704612U CN 218974756 U CN218974756 U CN 218974756U
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- Prior art keywords
- focusing
- rod
- box body
- projector
- wall
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- 244000309464 bull Species 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model discloses a projector focusing structure which comprises a focusing cylinder and a lens group, wherein the lens group is positioned in an inner cavity of the focusing cylinder and is in sliding connection with the inner wall of the focusing cylinder, a sliding rod is fixedly connected to the surface of the lens group, a steering sheet is fixedly connected to one side of the sliding rod, a connecting rod is fixedly installed on the steering sheet, a box body is sleeved on the surface of the connecting rod, a supporting seat is fixedly connected to the inner wall of the box body, a moving rod is connected to the supporting seat in a sliding manner, and a conical sliding block is fixedly sleeved on the surface of the moving rod. The inner wall rotation of box body is connected with the bull stick, and the top rotation of box body is connected with the focusing pole. The utility model has the advantages of convenience and use, and solves the problems that the transmission mechanism in the focusing structure is inconvenient to hide in the projector in the use process of the current focusing structure of the projector, the focusing structure is easy to damage, and the knob of the focusing structure is placed at the lens and is inconvenient for a user to rotate.
Description
Technical Field
The utility model relates to the technical field of projectors, in particular to a focusing structure of a projector.
Background
The projector is a device for playing video or pictures, and is widely used in different occasions as a playing device, the projector utilizes an optical component in the projector to project, but before projection, the projector needs to be focused to make a projected picture clearer, and the current projector focusing is divided into laser automatic focusing and manual focusing, and the manual focusing is widely used due to high cost of automatic focusing.
A structure for focusing of projector is disclosed in CN 213601026U, which is characterized in that the transmission component of the focusing structure is located at the outer side of the lens group, the transmission gear of the adjusting structure and the knob are located at the outer side of the projector together because the lens group is located at the lens of the projector, when the projector falls down, the focusing structure is easy to be damaged, and the knob is located at the side of the lens, which is inconvenient for the user to rotate.
The current projector focusing structure is in the in-process of using, is inconvenient to hide the drive mechanism in the focusing structure in the inside of projecting apparatus, leads to focusing structure to damage easily, and the knob of focusing structure is placed in the camera lens department, and inconvenient user rotates.
Disclosure of Invention
The utility model aims to provide a focusing structure of a projector, which has the advantage of convenient use, and solves the problems that in the current focusing structure of the projector, a transmission mechanism in the focusing structure is inconvenient to hide in the projector, the focusing structure is easy to damage, a knob of the focusing structure is placed at a lens, and a user cannot rotate conveniently.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a projecting apparatus focusing structure, includes focusing section of thick bamboo and lens group, and lens group is located the inner chamber of focusing section of thick bamboo and rather than inner wall sliding connection, and the fixed surface of lens group is connected with the slide bar, and one side fixedly connected with of slide bar turns to the piece, and fixedly mounted has the connecting rod on the turning to the piece, and the surface cover of connecting rod is equipped with the box body, and the inner wall fixedly connected with supporting seat of box body, sliding connection has the carriage release lever on the supporting seat, and the fixed surface cover of carriage release lever is equipped with the toper slider. The inner wall rotation of box body is connected with the bull stick, and the top rotation of box body is connected with the focusing pole, and the top fixed mounting of focusing pole has the knob, and the fixed surface cover of bull stick is equipped with cylindrical cam, the surface and the cam groove swing joint of cylindrical cam of toper slider. The bottom fixed cover of focusing pole is equipped with first bevel gear, and the fixed cover in surface of bull stick is equipped with the second bevel gear, and the surface of first bevel gear meshes with the surface of second bevel gear.
In order to facilitate the installation of the focusing barrel, the surface of the focusing barrel is fixedly sleeved with an installation flange, which is preferable as the focusing structure of the projector.
In order to facilitate the sliding rod to move in the focusing barrel, the inner wall of the focusing barrel is provided with a sliding groove, and the surface of the sliding rod is in sliding connection with the inner wall of the sliding groove.
In order to facilitate the connecting rod to drive the moving rod to move, the projector focusing structure is preferable in the utility model, and one end of the moving rod is fixedly connected with the connecting rod.
In order to support the rotating rod conveniently, the top of the supporting seat is fixedly connected with a fixing sleeve, and the rotating rod is positioned in the inner cavity of the fixing sleeve and is movably connected with the fixing sleeve.
In order to facilitate the installation of the box body in the projector casing, the surface of the box body is fixedly connected with a mounting plate as a preferable focusing structure of the projector.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model can facilitate the sliding of the sliding rod in the focusing cylinder by arranging the sliding groove, can facilitate the supporting of the lens group by arranging the focusing cylinder, can facilitate the connection of the sliding rod and the connecting rod with different heights by arranging the steering sheet, and can facilitate the installation of the box body at the top of the projector shell by arranging the mounting plate.
2. According to the utility model, through the matched use of the slide bar, the box body, the focusing rod, the knob, the connecting rod, the steering sheet, the sliding groove, the supporting seat, the conical sliding block, the moving rod, the rotating rod, the fixed sleeve, the cylindrical cam, the first bevel gear and the second bevel gear, the problems that in the use process of the existing projector focusing structure, a transmission mechanism in the focusing structure is inconvenient to hide in the projector, the focusing structure is easy to damage, and the knob of the focusing structure is placed at a lens and is inconvenient for a user to rotate are solved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a left side isometric view of the present utility model;
FIG. 3 is a front cross-sectional view of the focusing barrel of the present utility model;
fig. 4 is a front cross-sectional view of the housing of the present utility model.
In the figure: 1. a focusing barrel; 2. a mounting flange; 3. a lens group; 4. a slide bar; 5. a mounting plate; 6. a case body; 7. a focusing rod; 8. a knob; 9. a connecting rod; 10. a steering sheet; 11. a sliding groove; 12. a support base; 13. a conical slide block; 14. a moving rod; 15. a rotating rod; 16. a fixed sleeve; 17. a cylindrical cam; 18. a first bevel gear; 19. and a second bevel gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-4, a focusing structure of a projector includes a focusing barrel 1 and a lens group 3, wherein the lens group 3 is located in an inner cavity of the focusing barrel 1 and slidably connected with an inner wall thereof, a sliding rod 4 is fixedly connected with a surface of the lens group 3, a steering plate 10 is fixedly connected with one side of the sliding rod 4, a connecting rod 9 is fixedly mounted on the steering plate 10, a box body 6 is sleeved on the surface of the connecting rod 9, a supporting seat 12 is fixedly connected with an inner wall of the box body 6, a moving rod 14 is slidably connected on the supporting seat 12, and a conical sliding block 13 is sleeved on the surface of the moving rod 14. The inner wall rotation of box body 6 is connected with bull stick 15, and the top rotation of box body 6 is connected with focusing pole 7, and the top fixed mounting of focusing pole 7 has knob 8, and the fixed cover in surface of bull stick 15 is equipped with cylindrical cam 17, and the surface and the cam groove swing joint of cylindrical cam 17 of toper slider 13. The bottom of the focusing rod 7 is fixedly sleeved with a first bevel gear 18, the surface of the rotating rod 15 is fixedly sleeved with a second bevel gear 19, and the surface of the first bevel gear 18 is meshed with the surface of the second bevel gear 19.
In this embodiment: the knob 8 is located the top of projecting apparatus, user rotation knob 8, knob 8 drives focusing rod 7 and first bevel gear 18 rotation, first bevel gear 18 drives bull stick 15 and cylindrical cam 17 and rotates simultaneously, cylindrical cam 17 pivoted in-process drives the cam groove and rotates, make toper slider 13 remove at the inner wall of cam groove, toper slider 13 in-process that removes drives movable rod 14 and connecting rod 9 and removes, connecting rod 9 pulls slide bar 4 through the steering blade 10 and removes, slide bar 4 drives lens group 3 and slides at the inner wall of focusing barrel 1, focusing to the projecting apparatus.
The surface of the focusing cylinder 1 is fixedly sleeved with a mounting flange 2. The focusing barrel 1 is mounted on the projector through the mounting flange 2, so that the focusing barrel 1 can be conveniently fixed.
The inner wall of the focusing cylinder 1 is provided with a sliding groove 11, and the surface of the sliding rod 4 is in sliding connection with the inner wall of the sliding groove 11. During the movement of the slide bar 4, the slide bar 4 is accommodated by sliding the slide groove 11 on the inner wall of the slide groove 11.
One end of the moving rod 14 is fixedly connected with the connecting rod 9. The movable rod 14 is fixedly connected with the connecting rod 9, and can conveniently drive the connecting rod 9 to move so as to adjust the position of the lens group 3.
The top of the supporting seat 12 is fixedly connected with a fixed sleeve 16, and a rotating rod 15 is positioned in the inner cavity of the fixed sleeve 16 and is movably connected with the fixed sleeve. The bull stick 15 pivoted in-process, fixed cover 16 carries out firm support to bull stick 15, avoids its pivoted in-process to rock.
The surface of the box body 6 is fixedly connected with a mounting plate 5. The box body 6 is arranged at the top of the inner cavity of the projector shell through the mounting plate 5, and the box body 6 can be supported and fixed conveniently.
The working principle of the utility model is as follows:
when the rotary knob 8 is used, the rotary knob 8 is positioned at the top of the projector, a user rotates the rotary knob 8, the rotary knob 8 drives the focusing rod 7 and the first bevel gear 18 to rotate, the first bevel gear 18 drives the rotating rod 15 and the cylindrical cam 17 to rotate simultaneously, and the fixed sleeve 16 supports the rotating cylindrical cam 17. The cylindrical cam 17 drives the cam groove to rotate in the rotating process, so that the conical sliding block 13 moves on the inner wall of the cam groove, the moving rod 14 and the connecting rod 9 are driven to move in the moving process of the conical sliding block 13, the connecting rod 9 pulls the sliding rod 4 to move through the steering piece 10, and the sliding rod 4 drives the lens group 3 to slide on the inner wall of the focusing cylinder 1, so that focusing is carried out on the projector.
This projecting apparatus focusing structure is through slide bar 4, box body 6, focusing pole 7, knob 8, connecting rod 9, turn to piece 10, sliding tray 11, supporting seat 12, toper slider 13, movable rod 14, bull stick 15, fixed cover 16, cylindrical cam 17, first bevel gear 18 and the cooperation of second bevel gear 19 are used, have solved present projecting apparatus focusing structure in the in-process of using, are inconvenient for hiding the drive mechanism in the focusing structure in the inside of projecting apparatus, lead to the focusing structure to damage easily, and the knob of focusing structure is placed in the camera lens department, inconvenient user's problem of rotating.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a projecting apparatus focusing structure, includes focusing section of thick bamboo (1) and lens group (3), lens group (3) are located the inner chamber of focusing section of thick bamboo (1) and rather than inner wall sliding connection, its characterized in that: the utility model provides a lens group's (3) fixed surface is connected with slide bar (4), one side fixedly connected with of slide bar (4) turns to piece (10), fixedly mounted has connecting rod (9) on turning to piece (10), the surface cover of connecting rod (9) is equipped with box body (6), the inner wall fixedly connected with supporting seat (12) of box body (6), sliding connection has movable rod (14) on supporting seat (12), the fixed surface cover of movable rod (14) is equipped with conical slide (13), the inner wall rotation of box body (6) is connected with bull stick (15), the top rotation of box body (6) is connected with focusing rod (7), the top fixed mounting of focusing rod (7) has knob (8), the fixed surface cover of bull stick (15) is equipped with cylindrical cam (17), the fixed cover of bottom of focusing rod (7) is equipped with first bevel gear (18), the fixed surface cover of bull stick (15) is equipped with second bevel gear (19), the second bevel gear (19) and second bevel gear (19) surface engagement.
2. The projector focus-adjusting mechanism of claim 1, wherein: the surface of the focusing barrel (1) is fixedly sleeved with a mounting flange (2).
3. The projector focus-adjusting mechanism of claim 1, wherein: the inner wall of the focusing barrel (1) is provided with a sliding groove (11), and the surface of the sliding rod (4) is in sliding connection with the inner wall of the sliding groove (11).
4. The projector focus-adjusting mechanism of claim 1, wherein: one end of the moving rod (14) is fixedly connected with the connecting rod (9).
5. The projector focus-adjusting mechanism of claim 1, wherein: the top of the supporting seat (12) is fixedly connected with a fixed sleeve (16), and the rotating rod (15) is positioned in the inner cavity of the fixed sleeve (16) and is movably connected with the fixed sleeve.
6. The projector focus-adjusting mechanism of claim 1, wherein: the surface of the box body (6) is fixedly connected with a mounting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704612.1U CN218974756U (en) | 2022-10-14 | 2022-10-14 | Focusing structure of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704612.1U CN218974756U (en) | 2022-10-14 | 2022-10-14 | Focusing structure of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218974756U true CN218974756U (en) | 2023-05-05 |
Family
ID=86166343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222704612.1U Active CN218974756U (en) | 2022-10-14 | 2022-10-14 | Focusing structure of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218974756U (en) |
-
2022
- 2022-10-14 CN CN202222704612.1U patent/CN218974756U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231027 Address after: Room 402, Floor 4, Building 2, Yard 6, Qunminghu Street, Shijingshan District, Beijing 100043 Patentee after: Beijing Baibohe Photoelectric Technology Co.,Ltd. Address before: 264400 Longhai Road East and Keji Road South, Nanhai New District, Weihai City, Shandong Province Patentee before: SHANDONG QIJIN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |