CN111442161A - Spacing angle adjustment mechanism of projector - Google Patents
Spacing angle adjustment mechanism of projector Download PDFInfo
- Publication number
- CN111442161A CN111442161A CN202010445893.6A CN202010445893A CN111442161A CN 111442161 A CN111442161 A CN 111442161A CN 202010445893 A CN202010445893 A CN 202010445893A CN 111442161 A CN111442161 A CN 111442161A
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- plate
- support
- projector
- adjusting
- sides
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000009467 reduction Effects 0.000 claims description 29
- 235000014676 Phragmites communis Nutrition 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 230000009194 climbing Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/08—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and oscillating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Projection Apparatus (AREA)
Abstract
The invention provides a limiting angle adjusting mechanism of a projector, which comprises a first adjusting support, a second adjusting support and a speed reducing adjusting mechanism, wherein the second adjusting support is rotatably arranged on the first adjusting support, the speed reducing adjusting mechanism is arranged between the first adjusting support and the second adjusting support, the first adjusting support comprises a top plate and side plates, the side plates are symmetrically arranged at two sides of the top plate, a rotary central hole penetrating through the side plates is arranged on the side plates, an arc-shaped rack is arranged on the side plates, and the second adjusting support comprises a foundation plate, a rotary shaft and a supporting plate. According to the invention, through non-contact adjustment, a user can adjust the viewing angle without dismounting the ceiling lamp, the operation process is simple and convenient, and the safety coefficient is high; structural design is reasonable, and is rotatory stable through climbing with the arc rack toothing, adjusts two motion processes of support and does not have the interference with the regulation support, and stability is high, and angle regulation restriction guarantees no collision between the adjustment in-process structure, long service life.
Description
Technical Field
The invention relates to the technical field of angle adjusting requirements of projectors and other structures, in particular to a limiting angle adjusting mechanism of a projector and other products.
Background
The projector is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, directly influences the viewing effect due to fixed installation of the projector, and becomes a market mainstream when the projector is installed in a narrow space of a ceiling lamp.
At present, the mode of adjusting the projector angle in the ceiling lamp is mainly manual regulation, climbs and pulls down the ceiling lamp cover behind the take-up lamp lid to the take-up lamp height, and manual or mechanical regulation projector angle, projector need open in the accommodation process, and live operation has the potential safety hazard, and accommodation process is loaded down with trivial details, and customer experience is poor.
Disclosure of Invention
In view of the above, the invention provides a projector limiting angle adjusting mechanism, which solves the problem that manual live-wire operation is needed for adjusting the viewing angle of a projector in a ceiling lamp in the prior art.
Therefore, on one hand, the invention provides a limiting angle adjusting mechanism of a projector, which comprises a first adjusting support, a second adjusting support and a speed reducing adjusting mechanism, wherein the second adjusting support is rotatably arranged on the first adjusting support, the speed reducing adjusting mechanism is arranged between the first adjusting support and the second adjusting support, the second adjusting support is driven to rotate along the first adjusting support by the speed reducing adjusting mechanism, the first adjusting support comprises a top plate and side plates, the side plates are symmetrically arranged on two sides of the top plate, a rotating central hole penetrating through the side plates is arranged on the side plates, arc-shaped racks are arranged on the side plates, the second adjusting support comprises a foundation plate, a rotating shaft and a supporting plate, the rotating shaft is symmetrically arranged on two sides of the foundation plate, the rotating shaft is rotatably arranged in the rotating central hole, the supporting plate is arranged on two sides of the top of the foundation plate, a circuit board is connected below the foundation, The driving gear and the reduction gear are respectively arranged on two sides of the supporting plate, the reduction gear and the driving gear are arranged on the same side of the supporting plate, the reduction gear is rotatably arranged on the supporting plate, the servo motor drives the driving gear to rotate to drive the reduction gear to rotate, and the reduction gear plays a role in transmission between the driving gear and the arc-shaped rack.
Further, the driving gear and the reduction gear are arranged between the supporting plate and the side plate, and the driving gear is meshed with the reduction gear.
Further, the arc-shaped rack is arranged between the supporting plate and the side plate and meshed with the reduction gear.
Further, the inner diameter of the rotating center hole is equal to the outer diameter of the rotating shaft.
Furthermore, the width distance of the foundation plate is not larger than the distance between the two side plates, and the second adjusting support is guaranteed to be free of interference along the rotating process of the second adjusting support.
Furthermore, the top of the foundation plate is provided with a clearance groove, so that space is provided for the extended installation of projectors of different models.
Furthermore, trays are arranged on two sides of the foundation plate, so that more components needing synchronous motion can be carried, and the expansion performance is good.
Furthermore, the distance from the axis of the rotating center hole to the bottom of the top plate is larger than the distance from the axis of the rotating shaft to the top of the support plate, so that the second adjusting support is free from interference in the rotating process of the second adjusting support.
Further, above-mentioned foundatin plate both sides are equipped with reed switch, reed switch locates between circuit board and the curb plate to the restriction is adjusted support two and is followed an angle of rotation of adjusting support.
Furthermore, the reed switch is electrically connected with the servo motor.
In the projector limiting angle adjusting mechanism provided by the invention, the servo motor fixed on the adjusting bracket II is adopted to drive the driving gear to rotate, the driving gear drives the reduction gear to rotate along the arc-shaped rack, so that the adjusting bracket II rotates along the adjusting bracket I to realize angle adjustment, the reed switch limits the rotation angle of the adjusting bracket II, and collision between structures caused by overlarge angle adjustment is avoided;
therefore, compared with the prior art, the invention has the following beneficial effects:
1) the adjustment is in a non-contact way, so that the adjustment of the viewing angle can be realized without dismounting the ceiling lamp by a client, the operation process is simple and convenient, and the safety factor is high;
2) structural design is reasonable, and is rotatory stable through climbing with the arc rack toothing, adjusts two motion processes of support and does not have the interference with the regulation support, and stability is high, and angle regulation restriction guarantees no collision between the adjustment in-process structure, long service life.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of an overall structure of a limiting angle adjusting mechanism of a projector according to an embodiment of the present invention;
fig. 2 is a half sectional view of a projector limiting angle adjusting mechanism according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a schematic view of an overall structure of an adjusting bracket mechanism of a limiting angle adjusting mechanism of a projector according to an embodiment of the present invention;
fig. 5 is a diagram illustrating an installation and usage state of a limiting angle adjusting mechanism of a projector according to an embodiment of the present invention.
Wherein, 1, adjusting the first bracket; 11-a top plate; 12-side plates; 2-adjusting a second bracket; 21-a circuit board; 22-a base plate; 23-a rotating shaft; 24-a support plate; 3-a deceleration adjusting mechanism; 31-a servo motor; 32-a drive gear; 33-a reduction gear; 4-rotating the central hole; 5-arc rack; 6-avoiding the empty slot; 7-a tray; 8-reed switch.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 5, this embodiment provides a limiting angle adjusting mechanism for a projector, wherein a first adjusting bracket 1, a second adjusting bracket 2 and a speed reducing adjusting mechanism 3 are first provided, the second adjusting bracket 2 is rotatably disposed on the first adjusting bracket 1, the speed reducing adjusting mechanism 3 is disposed between the first adjusting bracket 1 and the second adjusting bracket 2, the first adjusting bracket 1 includes a top plate 11 and side plates 12, the side plates 12 are symmetrically disposed on both sides of the top plate 11, the side plates 12 are provided with a rotating central hole 4 penetrating through the side plates 12, the side plates 12 are provided with arc-shaped racks 5, the second adjusting bracket 2 includes a base plate 22, a rotating shaft 23 and a supporting plate 24, the rotating shaft 23 is symmetrically disposed on both sides of the base plate 22, the rotating shaft 23 is rotatably disposed in the rotating central hole 4, the supporting plate 24 is disposed on both sides of the top of the base plate 22, and a circuit board is connected below the base, the speed reduction adjusting mechanism 3 comprises a servo motor 31, a driving gear 32 and a speed reduction gear 33, the driving gear 32 and the servo motor 31 are respectively arranged on two sides of the supporting plate 24, the speed reduction gear 33 and the driving gear 32 are arranged on the same side of the supporting plate 24, and the speed reduction gear 33 is rotatably arranged on the supporting plate 24.
Referring to fig. 1 to 5, specifically, driving gear 32 and reduction gear 33 are located between backup pad 24 and curb plate 12, driving gear 32 and reduction gear 33 mesh, and arc rack 5 is located between backup pad 24 and curb plate 12, arc rack 5 and reduction gear 33 mesh, and 4 internal diameters of rotatory centre bore equal to rotation axis 23 external diameters, and the width distance of foundatin plate 22 is not more than the distance between the both sides board 12, and foundatin plate 22 top is equipped with and keeps away empty groove 6, and foundatin plate 22 both sides are equipped with tray 7, and rotatory centre bore 4 axle center is greater than 23 axle centers of rotation axis to backup pad 24 top distances to roof 11 bottom distance, and foundatin plate 22 both sides are equipped with reed switch 8, reed switch 8 locates between circuit board 21 and the curb plate 12, reed switch 8 and servo motor 31 electric connection.
When the adjusting bracket is used specifically, the servo motor 31 supplies power, the servo motor 31 drives the driving gear 32 to rotate, the driving gear 32 drives the reduction gear 33 to rotate, the reduction gear 33 rotates along the arc-shaped rack 5, the rotating shaft 23 rotates along the rotating central hole 4, so that the adjusting bracket 2 rotates along the adjusting bracket I1, the angle adjustment between the adjusting bracket I1 and the adjusting bracket II 2 is realized, the image viewing angle is adjusted, when the side plate 12 touches the reed switch 8, the reed switch 8 controls the servo motor 31 to stop rotating, and the adjusting bracket II 2 stops rotating along the adjusting bracket I1, so that the rotation angle limitation is realized.
In the limiting angle adjusting mechanism for the projector provided by the embodiment, the servo motor fixed on the adjusting bracket II is adopted to drive the driving gear to rotate, the driving gear drives the reduction gear to rotate along the arc-shaped rack, so that the adjusting bracket II rotates along the adjusting bracket I to realize angle adjustment, the reed switch limits the rotation angle of the adjusting bracket II, and collision between structures caused by overlarge angle adjustment is avoided;
therefore, the present embodiment has the following advantages compared to the prior art:
1) the adjustment is in a non-contact way, so that the adjustment of the viewing angle can be realized without dismounting the ceiling lamp by a client, the operation process is simple and convenient, and the safety factor is high;
2) structural design is reasonable, and is rotatory stable through climbing with the arc rack toothing, adjusts two motion processes of support and does not have the interference with the regulation support, and stability is high, and angle regulation restriction guarantees no collision between the adjustment in-process structure, long service life.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a spacing angle adjustment mechanism of projector, its characterized in that, is including adjusting support (1), adjusting support two (2) and speed reduction adjustment mechanism (3), adjust support two (2) rotatable locate on adjusting support (1), speed reduction adjustment mechanism (3) are located and are adjusted support (1) and adjust between support two (2), adjust support (1) and include roof (11) and curb plate (12), curb plate (12) are the symmetry and locate roof (11) both sides, be equipped with rotatory centre bore (4) that run through curb plate (12) and set up on curb plate (12), be equipped with arc rack (5) on curb plate (12), adjust support two (2) and include foundatin plate (22), rotation axis (23) and backup pad (24), foundatin plate (22) both sides are located to rotation axis (23) symmetry, rotation axis (23) rotatable locate in rotatory centre bore (4), backup pad (24) are located foundatin plate (22) top both sides, and foundatin plate (22) below connecting circuit board (21), speed reduction adjustment mechanism (3) are including servo motor (31), driving gear (32) and reduction gear (33), backup pad (24) both sides are located respectively in driving gear (32) and servo motor (31), but reduction gear (33) are located backup pad (24) with driving gear (32) with same one side and reduction gear (33) rotatable locate backup pad (24).
2. The mechanism of claim 1, wherein the driving gear (32) and the reduction gear (33) are disposed between the support plate (24) and the side plate (12), and the driving gear (32) is engaged with the reduction gear (33).
3. The projector limiting angle adjusting mechanism of claim 1, wherein the arc-shaped rack (5) is arranged between the support plate (24) and the side plate (12), and the arc-shaped rack (5) is meshed with the reduction gear (33).
4. The mechanism of claim 1, wherein the inner diameter of the rotating center hole (4) is equal to the outer diameter of the rotating shaft (23).
5. The projector limiting angle adjusting mechanism of claim 1, wherein the width distance of the base plate (22) is not greater than the distance between the two side plates (12).
6. The mechanism of claim 1, wherein a clearance groove (6) is formed at the top of the base plate (22).
7. The mechanism of claim 1, wherein trays (7) are provided on both sides of the base plate (22).
8. The mechanism of claim 1, wherein the distance from the axis of the rotating center hole (4) to the bottom of the top plate (11) is greater than the distance from the axis of the rotating shaft (23) to the top of the supporting plate (24).
9. The projector limiting angle adjusting mechanism of claim 1, wherein the base plate (22) is provided with reed switches (8) on two sides, and the reed switches (8) are arranged between the circuit board (21) and the side plate (12).
10. The projector limit angle adjusting mechanism as claimed in claims 1 and 9, wherein the reed switch (8) is electrically connected to the servo motor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445893.6A CN111442161A (en) | 2020-05-22 | 2020-05-22 | Spacing angle adjustment mechanism of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445893.6A CN111442161A (en) | 2020-05-22 | 2020-05-22 | Spacing angle adjustment mechanism of projector |
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| Publication Number | Publication Date |
|---|---|
| CN111442161A true CN111442161A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010445893.6A Pending CN111442161A (en) | 2020-05-22 | 2020-05-22 | Spacing angle adjustment mechanism of projector |
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| CN (1) | CN111442161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628369A (en) * | 2020-12-16 | 2021-04-09 | 北京航天控制仪器研究所 | No return error sways motion structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980030650U (en) * | 1996-11-29 | 1998-08-17 | 배순훈 | Projection angle adjusting device of the image projector |
| CN208331696U (en) * | 2018-05-04 | 2019-01-04 | 张莎莎 | A kind of projection-type DLP projector |
| CN210567246U (en) * | 2019-10-10 | 2020-05-19 | 天津市丽影科技有限公司 | Projector convenient to adjust projection angle |
| CN212745755U (en) * | 2020-05-22 | 2021-03-19 | 江苏达伦电子股份有限公司 | Spacing angle adjustment mechanism of projector |
-
2020
- 2020-05-22 CN CN202010445893.6A patent/CN111442161A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980030650U (en) * | 1996-11-29 | 1998-08-17 | 배순훈 | Projection angle adjusting device of the image projector |
| CN208331696U (en) * | 2018-05-04 | 2019-01-04 | 张莎莎 | A kind of projection-type DLP projector |
| CN210567246U (en) * | 2019-10-10 | 2020-05-19 | 天津市丽影科技有限公司 | Projector convenient to adjust projection angle |
| CN212745755U (en) * | 2020-05-22 | 2021-03-19 | 江苏达伦电子股份有限公司 | Spacing angle adjustment mechanism of projector |
Non-Patent Citations (1)
| Title |
|---|
| 王施平;: "一种带支架可调节烟尘采样枪的设计与研究", 黑龙江环境通报, no. 01, 15 March 2019 (2019-03-15), pages 36 - 39 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628369A (en) * | 2020-12-16 | 2021-04-09 | 北京航天控制仪器研究所 | No return error sways motion structure |
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