CN209819167U - Projector hanger capable of adjusting angle through worm and gear - Google Patents
Projector hanger capable of adjusting angle through worm and gear Download PDFInfo
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- CN209819167U CN209819167U CN201920257791.4U CN201920257791U CN209819167U CN 209819167 U CN209819167 U CN 209819167U CN 201920257791 U CN201920257791 U CN 201920257791U CN 209819167 U CN209819167 U CN 209819167U
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Abstract
The utility model discloses a projector hanger through worm gear angle of adjustment, including jib device and the angular adjustment device that can wind jib device rotation, angular adjustment device includes first hanger plate, the second hanger plate, worm gear mechanism and a plurality of universal joint unit, through worm gear mechanism relative rotation between first hanger plate and the jib device, the universal joint unit is established between first hanger plate and second hanger plate, the universal joint unit includes interval guiding mechanism and universal joint mechanism, the interval between the adjustable first hanger plate of interval guiding mechanism and the second hanger plate, universal joint mechanism can twist reverse along with the linkage of interval guiding mechanism. Has the advantages that: the projector and the second hanging plate can be relatively fixedly installed, the worm and gear mechanism enables the projector to rotate on the projector hanging frame of the technical scheme, and the universal joint mechanism enables the elevation angle of the projector to be flexibly adjusted, so that the rapid adjustment and the accurate fine adjustment of the angle of the projector can be realized. The utility model relates to a projector gallows of suspension type.
Description
Technical Field
The utility model relates to a projector hanger of suspension type, in particular to projector hanger through worm gear angle of adjustment.
Background
A projector is a device that can project images or video onto a curtain. Projectors are generally arranged in a desktop mode, a floor mode, a suspension mode and the like. Desktop and floor projectors occupy a large space and have more space limitations. The suspension type projector can save the ground space and has stronger practicability.
A ceiling-mounted projector is typically suspended from a ceiling by a hanger. The working height of the projector can be manually adjusted through the hanging bracket, so that the height of the projector is adaptive to the curtain.
The projector hanger in the prior art has the technical defects that: the adjustment position needs many repeated steps, and the adjustment precision is difficult to control, can't realize quick timing and accurate fine setting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a through worm gear angle of adjustment's projector gallows is provided, can overcome the technical problem that projector position adjustment step is loaded down with trivial details and unable accurate fine setting.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a through worm gear angle of adjustment's projector gallows, include the jib device and can wind the rotatory angle adjustment device of jib device, angle adjustment device includes first hanger plate, the second hanger plate, worm gear mechanism and a plurality of universal joint unit, through worm gear mechanism relative rotation between first hanger plate and the jib device, the universal joint unit is established between first hanger plate and second hanger plate, the universal joint unit includes interval guiding mechanism and universal joint mechanism, the interval between the adjustable first hanger plate of interval guiding mechanism and the second hanger plate, universal joint mechanism can twist reverse along with the linkage of interval guiding mechanism.
The worm wheel and worm mechanism comprises a worm wheel and a worm, the worm wheel and the suspension rod device are fixed relatively, the worm is installed on the first suspension plate, the worm can rotate on the first suspension plate, and the worm wheel and the worm are matched to enable the worm to revolve around the worm wheel as a center.
As an improvement, the worm and gear mechanism comprises two oppositely arranged mounting seats, the mounting seats are relatively fixed with the first hanging plate, the two mounting seats are respectively sleeved on the worm, two ends of the worm respectively penetrate through the two mounting seats, and the worm can rotate relative to the mounting seats.
As an improvement, a first knob is arranged at the end part of the worm, and anti-skid grains are arranged on the first knob.
As an improvement, the distance adjusting mechanism comprises a screw rod and a second knob, the second knob is matched with the end part of the screw rod through threads, and the distance between the first hanging plate and the second hanging plate can be adjusted by rotating the second knob.
As an improvement, the universal joint mechanism is a spherical hinge mechanism, the universal joint mechanism comprises a ball head and a ball bowl, the ball head is arranged on the screw rod, the ball bowl is fixedly opposite to the hanging plate, the ball bowl wraps the ball head, and the ball head can rotate in the ball bowl.
As an improvement, the suspender device comprises an inner pipe and an outer pipe which are mutually nested, the inner pipe and the worm wheel are relatively fixed, the outer pipe is provided with a third knob, the inner pipe can slide relative to the outer pipe, and the relative position between the inner pipe and the outer pipe can be fixed by rotating the third knob.
As an improvement, the second hanging plate is provided with a plurality of telescopic cantilevers, each telescopic cantilever comprises a rod sleeve and a sliding rod, one end of each rod sleeve is hinged to the second hanging plate, and each sliding rod can slide in each cantilever.
As an improvement, the rod sleeve is provided with a plurality of fastening screws which can fix the relative positions of the sliding rod and the rod sleeve bracket.
As an improvement, the number of the universal joint units is three, and the number of the telescopic cantilevers is four.
Has the advantages that: the projector and the second hanging plate can be relatively fixedly installed, the worm and gear mechanism enables the projector to rotate on the projector hanging frame of the technical scheme, and the universal joint mechanism enables the elevation angle of the projector to be flexibly adjusted, so that the rapid adjustment and the accurate fine adjustment of the angle of the projector can be realized.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1 according to an embodiment of the present invention;
fig. 3 is a front view of an embodiment of the present invention;
fig. 4 is a top view of fig. 3 in accordance with an embodiment of the present invention;
fig. 5 is an exploded view of an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a worm and gear mechanism according to an embodiment of the present invention;
fig. 7 is an exploded schematic view of a gimbal unit according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 7, a projector hanger frame capable of adjusting angles through a worm gear, which comprises a hanger rod device and an angle adjusting device capable of rotating around the hanger rod device, wherein the angle adjusting device comprises a first hanger plate 1, a second hanger plate 2, a worm gear mechanism and a plurality of universal joint units, the first hanger plate 1 and the hanger rod device rotate relatively through the worm gear mechanism, the universal joint units are arranged between the first hanger plate 1 and the second hanger plate 2 and comprise an interval adjusting mechanism and a universal joint mechanism, the interval between the first hanger plate 1 and the second hanger plate 2 can be adjusted through the interval adjusting mechanism, and the universal joint mechanism can be linked and twisted along with the interval adjusting mechanism.
The spacing adjustment mechanism may be any mechanism known in the art that can achieve linear motion. The universal joint units between the first hanger plate 1 and the second hanger plate 2 can be equivalently replaced by the combination of universal joints and hinged structures, and the universal joint mechanism can also enable the first hanger plate 1 and the second hanger plate 2 to swing relatively and have a bearing capacity through other structures in the prior art.
The projector and the second hanging plate 2 can be relatively fixedly installed, the worm and gear mechanism enables the projector to rotate on the projector hanging frame of the technical scheme, and the universal joint mechanism enables the elevation angle of the projector to be flexibly adjusted, so that the rapid adjustment and the accurate fine adjustment of the angle of the projector can be realized.
In order to improve the angle adjustment precision of the projector, the worm gear mechanism comprises a worm wheel 3 and a worm 4, the worm wheel 3 and the boom device are relatively fixed, the worm 4 is installed on the first hanging plate 1, the worm 4 can rotate on the first hanging plate 1, the worm wheel 3 is matched with the worm 4, so that the worm 4 can revolve around the worm wheel 3, the angle adjustment device can rotate around the boom device, and the projector is driven to rotate around the boom device. The worm gear mechanism is a speed reducing mechanism, and can realize accurate fine adjustment of the angle of the projector. The worm 4 of the embodiment can realize self-locking by reversely rotating, which is beneficial to keeping the projector with the adjusted angle on the correct projection position continuously and stably.
The worm and gear mechanism of this embodiment includes two opposite arrangement's mount pad 5, and mount pad 5 and first hanger plate 1 relatively fixed, and two mount pads 5 overlap respectively on worm 4, and two mount pads 5 are passed respectively at the both ends of worm 4, and worm 4 can rotate relative to mount pad 5.
In order to facilitate manual adjustment of the worm 4, a first knob 6 is arranged at the end part of the worm 4, and anti-skid grains are arranged on the first knob 6. The anti-skidding line of this embodiment is favorable to increasing the coefficient of friction on the 6 surfaces of first knob including a plurality of recesses that crisscross each other, makes manual adjustment difficult slipping.
In order to enable the elevation angle of the projector to be finely adjusted, the distance adjusting mechanism comprises a screw rod 7 and a second knob 8, the second knob 8 is matched with the end part of the screw rod 7 through threads, and the distance between the first hanger plate 1 and the second hanger plate 2 can be adjusted by rotating the second knob 8.
In order to enable the universal joint mechanism to be matched with the interval adjusting mechanism for torsion, the universal joint mechanism is a ball hinge mechanism, the universal joint mechanism comprises a ball head and a ball bowl 9, the ball head is arranged on the screw 7, the ball bowl 9 is fixedly and relatively fixed with the hanging plate, the ball bowl 9 wraps the ball head, and the ball head can rotate in the ball bowl 9. The spherical hinge mechanism has flexible torsion performance. Gimbal mechanisms also include, but are not limited to, other gimbals known in the art.
In order to adjust the distance between the relative installation positions of the projector, the boom device comprises an inner tube 10 and an outer tube 11 which are nested with each other, the inner tube 10 is fixed relative to the worm wheel 3, the outer tube 11 is provided with a third knob 12, the inner tube 10 can slide relative to the outer tube 11, and the relative position between the inner tube 10 and the outer tube 11 can be fixed by rotating the third knob 12.
In order to enable the second hanging plate 2 to be matched with projectors of different models, a plurality of telescopic cantilevers are arranged on the second hanging plate 2 and comprise a rod sleeve 13 and a sliding rod 14, one end of the rod sleeve 13 is hinged on the second hanging plate 2, and the sliding rod 14 can slide in the cantilevers.
In order to fix the relative position of the rod sleeve 13 and the sliding rod 14, a plurality of fastening screws are arranged on the rod sleeve 13, and the fastening screws can fix the relative position of the sliding rod 14 and the rod sleeve 13 bracket.
The number of the universal joint units of the embodiment is three, and the number of the telescopic cantilevers is four.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a projector hanger through worm gear angle of adjustment, include the jib device and can wind the rotatory angle adjusting device of jib device, angle adjusting device includes first hanger plate (1), second hanger plate (2), worm gear mechanism and a plurality of universal joint unit, through worm gear mechanism relative rotation between first hanger plate (1) and the jib device, the universal joint unit is established between first hanger plate (1) and second hanger plate (2), the universal joint unit includes interval guiding mechanism and universal joint mechanism, the interval between the adjustable first hanger plate of interval guiding mechanism (1) and second hanger plate (2), universal joint mechanism can twist reverse along with the linkage of interval guiding mechanism.
2. The projector hanger of claim 1, wherein the angle of the projector hanger is adjusted by a worm gear and a worm, and the angle of the projector hanger is adjusted by the worm gear and the worm: the worm and gear mechanism comprises a worm wheel (3) and a worm (4), the worm wheel (3) and the suspender device are relatively fixed, the worm (4) is installed on the first hanging plate (1), the worm (4) can rotate on the first hanging plate (1), and the worm wheel (3) and the worm (4) are matched to enable the worm (4) to revolve around the worm wheel (3) as the center.
3. The projector hanger of claim 2, wherein the angle of the projector hanger is adjusted by a worm gear and a worm gear: the worm and gear mechanism comprises two oppositely arranged mounting seats (5), the mounting seats (5) are relatively fixed and two to the first hanging plate (1), the mounting seats (5) are respectively sleeved on the worm (4), two ends of the worm (4) are respectively penetrated through the two mounting seats (5), and the worm (4) can be opposite to the mounting seats (5) in rotation.
4. The projector hanger of claim 3, wherein said worm gear is used for adjusting the angle of said projector hanger: the end part of the worm (4) is provided with a first knob (6), and anti-skid grains are arranged on the first knob (6).
5. The projector hanger of any one of claims 1 to 4, wherein the angle of the projector hanger is adjusted by a worm gear: the distance adjusting mechanism comprises a screw rod (7) and a second knob (8), the second knob (8) is in threaded fit with the end of the screw rod (7), and the distance between the first hanging plate (1) and the second hanging plate (2) can be adjusted by rotating the second knob (8).
6. The projector hanger of claim 5, wherein the angle of the projector hanger is adjusted by a worm gear and a worm gear: the universal joint mechanism is a spherical hinge mechanism, the universal joint mechanism comprises a ball head and a ball bowl (9), the ball head is arranged on the screw rod (7), the ball bowl (9) is fixedly fixed with the hanging plate relatively, the ball bowl (9) wraps the ball head, and the ball head can rotate in the ball bowl (9).
7. The projector hanger of claim 6, wherein the angle of the projector hanger is adjusted by a worm gear and a worm gear: the suspender device comprises an inner pipe (10) and an outer pipe (11) which are mutually nested, the inner pipe (10) and the worm wheel (3) are relatively fixed, a third knob (12) is arranged on the outer pipe (11), the inner pipe (10) can slide relative to the outer pipe (11), and the relative position between the inner pipe (10) and the outer pipe (11) can be fixed by rotating the third knob (12).
8. The projector hanger of claim 7, wherein the angle of the projector hanger is adjusted by a worm gear and a worm gear: the second hanger plate (2) is provided with a plurality of telescopic cantilevers, each telescopic cantilever comprises a rod sleeve (13) and a sliding rod (14), one end of each rod sleeve (13) is hinged to the second hanger plate (2), and each sliding rod (14) can slide in each cantilever.
9. The projector hanger of claim 8, wherein the angle of the projector hanger is adjusted by a worm gear and a worm gear: the rod sleeve (13) is provided with a plurality of fastening screws, and the fastening screws can fix the relative positions of the sliding rod (14) and the rod sleeve (13) bracket.
10. The projector hanger of claim 9, wherein said worm gear is used for adjusting said angle, and said worm gear is used for adjusting said angle: the number of the universal joint units is three, and the number of the telescopic cantilevers is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257791.4U CN209819167U (en) | 2019-02-28 | 2019-02-28 | Projector hanger capable of adjusting angle through worm and gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257791.4U CN209819167U (en) | 2019-02-28 | 2019-02-28 | Projector hanger capable of adjusting angle through worm and gear |
Publications (1)
| Publication Number | Publication Date |
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| CN209819167U true CN209819167U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920257791.4U Active CN209819167U (en) | 2019-02-28 | 2019-02-28 | Projector hanger capable of adjusting angle through worm and gear |
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| CN (1) | CN209819167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780406A (en) * | 2019-02-28 | 2019-05-21 | 广州市雄云视听设备有限公司 | A kind of projector hanger adjusted the angle by worm and gear |
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2019
- 2019-02-28 CN CN201920257791.4U patent/CN209819167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780406A (en) * | 2019-02-28 | 2019-05-21 | 广州市雄云视听设备有限公司 | A kind of projector hanger adjusted the angle by worm and gear |
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