CN220626835U - Lens focusing structure of projector - Google Patents
Lens focusing structure of projector Download PDFInfo
- Publication number
- CN220626835U CN220626835U CN202322286492.2U CN202322286492U CN220626835U CN 220626835 U CN220626835 U CN 220626835U CN 202322286492 U CN202322286492 U CN 202322286492U CN 220626835 U CN220626835 U CN 220626835U
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- guide
- plate
- driving
- guide block
- lens
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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a lens focusing structure of a projector, which comprises a mounting plate, a guide groove, a driving assembly, a transmission assembly, a guide mechanism, scale marks and a vertical plate, wherein when a lens is adjusted, the device is mounted on a base required to be mounted through a mounted positioning assembly, then the device is fixed, when the lens is adjusted, the transmission assembly connected with the device is driven to operate through the mounted driving assembly, the transmission assembly drives a guide block connected with the transmission assembly to move, the guide block moves to drive the lens on one side to move, the guide block moves more stably under the limiting effect of the guide mechanism, and the practicability of the device is improved through the position of the lens which can be adjusted through the scale marks arranged on one side.
Description
Technical Field
The utility model relates to a focusing structure, in particular to a lens focusing structure of a projector.
Background
At present, when a projector focuses on a lens, focusing is generally realized by rotating a focusing ring b on the lens, but the structure and the method of focusing are both provided with the following problems, such as complex structure, insufficient precision and lack of corresponding positioning mechanisms when equipment is installed, so that the lens is easy to shake when the lens is adjusted, and therefore, the lens focusing structure of the projector needs to be designed to solve the problems.
Disclosure of Invention
The present utility model is directed to a lens focusing structure of a projector, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the lens focusing structure of the projector comprises a mounting plate, wherein a vertical plate is arranged at one end of the mounting plate, a positioning plate is arranged at the other end of the mounting plate, and a positioning assembly is arranged at one end, far away from the mounting plate, of the vertical plate and the positioning plate;
the mounting plate is provided with a guide groove, a guide block is arranged on the guide groove, the guide block is in sliding connection with the mounting plate through the guide groove, and the lens is arranged on the guide block;
a drive assembly mounted on the riser;
one end of the transmission component is connected with the driving component, and the other end of the transmission component is connected with the guide block;
the guide mechanism is arranged on the vertical plate and is connected with the guide block;
the scale mark is arranged on the mounting plate and is arranged on one side of the guide block.
As a further scheme of the utility model: the positioning assembly comprises a connecting plate, connecting plates are arranged at the bottoms of the vertical plates and the positioning plates, a driving piece is arranged on one side of each connecting plate, and a mounting groove is formed in each connecting plate;
one end of the bidirectional threaded rod is connected with the driving piece, and the other end of the bidirectional threaded rod is connected with the side wall of the mounting groove;
the screw thread piece, the symmetry is connected with the screw thread piece through the screw thread on the two-way threaded rod, installs splint on the screw thread piece.
As a further scheme of the utility model: the driving assembly comprises a driving part, the driving part is arranged on the vertical plate, the output end of the driving part is provided with a driving shaft, and the driving part is used for driving the driving shaft to rotate.
As a further scheme of the utility model: the transmission assembly comprises a screw, one end of the screw is rotationally connected with the vertical plate, the other end of the screw is rotationally connected with the positioning plate, and the screw is in threaded connection with the guide block;
the half gear is arranged on the driving shaft, one side of the half gear is meshed with the driven gear, and the driven gear is arranged on the screw rod.
As a further scheme of the utility model: the guide mechanism comprises a guide rod, one end of the guide rod is connected with the vertical plate, the other end of the guide rod is connected with the positioning plate, and a guide sleeve is sleeved on the guide rod;
and one end of the connecting rod is connected with the guide block, and the other end of the connecting rod is connected with the guide sleeve.
Compared with the prior art, the utility model has the beneficial effects that: when adjusting the camera lens, drive the two-way threaded rod that is connected with it through the driving piece of installation and rotate, the screw thread piece that two-way threaded rod drove and is connected with it removes, the screw thread piece drives the splint that are connected with it and removes in opposite directions, make splint press from both sides the position that needs to install, and then the stability of hoisting device, the driving part drives the drive shaft rotation of being connected with it, the drive shaft rotates and drives the half gear rotation of being connected with it, half gear rotation is then through with driven gear intermittent type meshing drive screw rod rotation, the screw rod rotates and then drives guide block lateral shifting under the effect of screw thread, the position of the camera lens of regulation that the scale mark that through one side set up can be better.
Drawings
Fig. 1 is a schematic structural diagram of a lens focusing structure of a projector.
Fig. 2 is a schematic side cross-sectional view of the connection plate.
Fig. 3 is a schematic diagram of the meshing of the half gear with the driven gear.
In the figure: 1. a mounting plate; 2. a guide block; 3. a lens; 4. a riser; 5. a positioning plate; 6. a driving part; 7. a drive shaft; 8. a driven gear; 9. a screw; 11. a connecting rod; 12. a guide rod; 13. a guide sleeve; 14. a connecting plate; 15. a driving member; 16. a screw block; 17. a clamping plate; 18. scale marks; 19. a two-way threaded rod; 20. a half 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 to 3, as an embodiment of the present utility model, a focusing structure of a lens 3 of a projector includes a mounting plate 1, wherein a riser 4 is installed at one end of the mounting plate 1, a positioning plate 5 is installed at the other end of the mounting plate 1, and a positioning assembly is installed at one end of the riser 4 and the positioning plate 5 away from the mounting plate 1;
the lens comprises a mounting plate 1, a guide block 2, a lens 3 and a lens, wherein the mounting plate 1 is provided with a guide groove, the guide groove is provided with the guide block 2, the guide block 2 is in sliding connection with the mounting plate 1 through the guide groove, and the lens 3 is arranged on the guide block 2;
a drive assembly mounted on the riser 4;
one end of the transmission component is connected with the driving component, and the other end of the transmission component is connected with the guide block 2;
the guide mechanism is arranged on the vertical plate 4 and is connected with the guide block 2;
the scale mark 18, be provided with scale mark 18 on the mounting panel 1, scale mark 18 sets up in guide block 2 one side.
In this embodiment, when adjusting camera lens 3, the device is installed the device on the base of required installation through the locating component of installation, and then fix the device, when adjusting camera lens 3, drive the drive assembly operation of being connected with it through the drive assembly of installation, drive assembly drives the guide block 2 that is connected with it and removes, guide block 2 removes and then drives the camera lens 3 removal of one side, make the guide block 2 remove more steadily under guiding mechanism's spacing effect, the position of camera lens 3 that can be adjusted through the scale mark 18 that one side set up has promoted the practicality of device.
As one embodiment of the utility model, the positioning assembly comprises a connecting plate 14, the bottom of the vertical plate 4 and the bottom of the positioning plate 5 are provided with the connecting plate 14, one side of the connecting plate 14 is provided with a driving piece 15, and the connecting plate 14 is provided with a mounting groove;
one end of the bidirectional threaded rod 19 is connected with the driving piece 15, and the other end of the bidirectional threaded rod 19 is connected with the side wall of the mounting groove;
the threaded block 16 is symmetrically connected with the threaded block 16 through threads on the bidirectional threaded rod 19, and the clamping plate 17 is arranged on the threaded block 16.
In this embodiment, when the device is installed on the base, the driving piece 15 drives the bidirectional threaded rod 19 connected with the device to rotate, the bidirectional threaded rod 19 drives the threaded block 16 connected with the device to move, and the threaded block 16 drives the clamping plate 17 connected with the threaded block to move in opposite directions, so that the clamping plate 17 clamps the position to be installed, the stability of the device is further improved, and meanwhile, the driving piece 15 rotates reversely to enable the clamping plates 17 to be separated from each other, so that the device is convenient to detach.
Further, the driving member 15 may be a stepping motor or a servo motor, etc., which will not be described in detail herein.
As an embodiment of the present utility model, the driving assembly includes a driving component 6, the driving component 6 is mounted on the riser 4, the output end of the driving component 6 is mounted with a driving shaft 7, and the driving component 6 is used for driving the driving shaft 7 to rotate.
In this embodiment, the driving component 6 drives the driving shaft 7 connected with the driving component to rotate, the driving shaft 7 rotates to drive the transmission component connected with the driving component to operate, the transmission component drives the guide block 2 connected with the driving component to move, the guide block 2 moves to drive the lens 3 connected with the driving component to move, and the position of the lens 3 can be adjusted through the scale mark 18 arranged on one side, so that the stability of the device is improved.
Further, the driving unit 6 may be a stepping motor, a servo motor, or the like, which will not be described in detail herein.
As one embodiment of the utility model, the transmission assembly comprises a screw rod 9, one end of the screw rod 9 is rotationally connected with the vertical plate 4, the other end of the screw rod 9 is rotationally connected with the positioning plate 5, and the screw rod 9 is in threaded connection with the guide block 2;
half gear 20, half gear 20 is installed on drive shaft 7, and half gear 20 one side meshing has driven gear 8, and driven gear 8 is installed on screw 9.
In this embodiment, the driving shaft 7 rotates to drive the half gear 20 connected with the driving shaft to rotate, the half gear 20 rotates to drive the screw 9 to rotate through intermittent engagement with the driven gear 8, the screw 9 rotates to drive the guide block 2 to move transversely under the action of threads, and the position of the lens 3 can be adjusted better through the scale mark 18 arranged on one side.
As one embodiment of the utility model, the guiding mechanism comprises a guiding rod 12, one end of the guiding rod 12 is connected with the vertical plate 4, the other end is connected with the positioning plate 5, and a guiding sleeve 13 is sleeved on the guiding rod 12;
and one end of the connecting rod 11 is connected with the guide block 2, and the other end is connected with the guide sleeve 13.
In this embodiment, when the guide block 2 moves to one side, the connecting rod 11 connected with the guide block 2 is driven to move, and the connecting rod 11 drives the guide block 2 to transversely slide on one side of the supporting rod under the action of the guide sleeve 13, so that the guide block 2 moves more stably, and the adjustment precision of the lens 3 is more accurate.
The working principle of the utility model is as follows: when adjusting the camera lens 3, drive the two-way threaded rod 19 that is connected with it through the driving piece 15 of installation and rotate, the screw thread piece 16 that is connected with it is driven to two-way threaded rod 19 moves, screw thread piece 16 drives the splint 17 that is connected with it and moves in opposite directions, make splint 17 press from both sides the position of required installation, and then the stability of hoisting device, drive part 6 drives the drive shaft 7 rotation that is connected with it, the drive shaft 7 rotation drives the half gear 20 rotation that is connected with it, half gear 20 rotation and then through with driven gear 8 intermittent type meshing drive screw rod 9 rotation, screw rod 9 rotation and then drive guide block 2 lateral shifting under the effect of screw thread, the position of camera lens 3 that can be better adjusted through the scale mark 18 that one side set up.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The lens focusing structure of the projector comprises a mounting plate, and is characterized in that a vertical plate is arranged at one end of the mounting plate, a positioning plate is arranged at the other end of the mounting plate, and a positioning assembly is arranged at one end, far away from the mounting plate, of the vertical plate and the positioning plate;
the mounting plate is provided with a guide groove, a guide block is arranged on the guide groove, the guide block is in sliding connection with the mounting plate through the guide groove, and the lens is arranged on the guide block;
a drive assembly mounted on the riser;
one end of the transmission component is connected with the driving component, and the other end of the transmission component is connected with the guide block;
the guide mechanism is arranged on the vertical plate and is connected with the guide block;
the scale mark is arranged on the mounting plate and is arranged on one side of the guide block.
2. The lens focusing structure of the projector according to claim 1, wherein the positioning assembly comprises a connecting plate, the bottom of the vertical plate and the bottom of the positioning plate are provided with the connecting plate, one side of the connecting plate is provided with a driving piece, and the connecting plate is provided with a mounting groove;
one end of the bidirectional threaded rod is connected with the driving piece, and the other end of the bidirectional threaded rod is connected with the side wall of the mounting groove;
the screw thread piece, the symmetry is connected with the screw thread piece through the screw thread on the two-way threaded rod, installs splint on the screw thread piece.
3. The lens focusing structure of claim 2, wherein the driving assembly comprises a driving member, the driving member is mounted on the vertical plate, the output end of the driving member is provided with a driving shaft, and the driving member is used for driving the driving shaft to rotate.
4. The lens focusing structure of claim 3, wherein the transmission assembly comprises a screw, one end of the screw is rotatably connected with the vertical plate, the other end of the screw is rotatably connected with the positioning plate, and the screw is in threaded connection with the guide block;
the half gear is arranged on the driving shaft, one side of the half gear is meshed with the driven gear, and the driven gear is arranged on the screw rod.
5. The lens focusing structure of the projector according to claim 1, wherein the guide mechanism comprises a guide rod, one end of the guide rod is connected with the vertical plate, the other end of the guide rod is connected with the positioning plate, and a guide sleeve is sleeved on the guide rod;
and one end of the connecting rod is connected with the guide block, and the other end of the connecting rod is connected with the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286492.2U CN220626835U (en) | 2023-08-24 | 2023-08-24 | Lens focusing structure of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286492.2U CN220626835U (en) | 2023-08-24 | 2023-08-24 | Lens focusing structure of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220626835U true CN220626835U (en) | 2024-03-19 |
Family
ID=90227079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322286492.2U Active CN220626835U (en) | 2023-08-24 | 2023-08-24 | Lens focusing structure of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220626835U (en) |
-
2023
- 2023-08-24 CN CN202322286492.2U patent/CN220626835U/en active Active
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