CN209146647U - A kind of multimedia overhead projector holder device - Google Patents
A kind of multimedia overhead projector holder device Download PDFInfo
- Publication number
- CN209146647U CN209146647U CN201821499862.3U CN201821499862U CN209146647U CN 209146647 U CN209146647 U CN 209146647U CN 201821499862 U CN201821499862 U CN 201821499862U CN 209146647 U CN209146647 U CN 209146647U
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- support rod
- width
- overhead projector
- rotating support
- holder device
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Abstract
The utility model discloses a kind of multimedia overhead projector holder devices, belong to multimedia technology field.It include: pedestal, pedestal upper surface offers an elongated slot along the length direction of pedestal, and one end of elongated slot is provided with a motor；One end of strut, support rod is connect with motor driven, and support rod can be rotatably arranged in elongated slot around one end；Rotating support, rotating support is arranged in the top of pedestal, rotating support is cuboid setting, wherein three sides of the upper surface of rotating support are provided with coaming plate, the lower end surface of rotating support offers a sliding slot along the length direction of rotating support, a sliding block is provided in sliding slot, sliding block length direction movably can be connect with the other end of support rod along the chute.A kind of multimedia overhead projector holder device provided by the utility model can continuously adjust the projection angle of projection device, and structure is simple, easy to operate.
Description
Technical field
The utility model relates to multimedia technology fields, are specifically related to a kind of multimedia overhead projector holder device.
Background technique
Currently, projection device is widely used in routine work and life.The effect of projection device is that image is amplified,
The signal of traditional screen signal and computer is projected on curtain by converting interface, is used in study and work for people.It is existing
Some projection devices need to adjust angle when in use, to make the image image stabilization and clear writing of projection.Existing throwing
Shadow angle demodulator is perhaps combined as a whole with projection device or structure is complex, it is smaller to adjust the angle range, and use
It is inconvenient.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of multimedia overhead projector holder device, it can be continuous
Ground adjusts the projection angle of projection device, and structure is simple, easy to operate.
Specific technical solution is as follows:
A kind of multimedia overhead projector holder device, comprising:
Pedestal, pedestal upper surface offer an elongated slot along the length direction of pedestal, and one end of elongated slot is provided with a motor；
One end of support rod, support rod is connect with motor driven, and support rod can be rotatably arranged within elongated slot around one end
It is interior；
Rotating support, rotating support are arranged in the top of pedestal, one end of rotating support and the upper surface of pedestal
Hingedly, rotating support is cuboid setting, and wherein three sides of the upper surface of rotating support are provided with baffle, rotating support
Lower end surface offer a sliding slot along the length direction of rotating support, a sliding block is provided in sliding slot, sliding block can be grown along the chute
Degree direction is movably connect with the other end of support rod.
In a kind of above-mentioned multimedia overhead projector holder device, also have the feature that, one end of support rod is along support rod
Width direction offer a splined hole, the output end of splined hole and motor is drivingly connected.
It in a kind of above-mentioned multimedia overhead projector holder device, also has the feature that, the section that sliding slot is is " convex " word
Shape setting, sliding slot include upper hopper chute and gliding groove, and wherein the width of upper hopper chute is greater than the width of gliding groove.
It in a kind of above-mentioned multimedia overhead projector holder device, also has the feature that, sliding block is arranged in upper hopper chute, sliding
The width of block is less than the width of upper hopper chute, and the width of sliding block is greater than the width of gliding groove.
It in a kind of above-mentioned multimedia overhead projector holder device, also has the feature that, the width of support rod, which is less than, to glide
The width of slot.
In a kind of above-mentioned multimedia overhead projector holder device, also have the feature that, the inner wall of upper hopper chute is provided with down
Fillet.
In a kind of above-mentioned multimedia overhead projector holder device, also having the feature that, motor is electrically connected with external power supply,
The side of pedestal is provided with rotating forward switch and reversal switch, rotates forward switch and reversal switch is electrically connected with motor respectively.
The good effect of above-mentioned technical proposal is:
A kind of multimedia overhead projector holder device provided by the utility model, by the rotation of support rod and the sliding of sliding block,
Realize the lifting of rotating support one end, so as to adjust the projection angle of projection device, structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment of multimedia overhead projector holder device of the utility model；
Fig. 2 is a kind of main view of the embodiment of multimedia overhead projector holder device of the utility model.
In attached drawing: 1, pedestal；11, elongated slot；12, switch is rotated forward；13, reversal switch；2, support rod；3, sliding block；4, it rotates
Support frame；41, sliding slot；411, upper hopper chute；412, gliding groove；42, baffle.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 and attached drawing 2 are specifically addressed a kind of multimedia overhead projector holder device provided by the utility model.Figure
1 is a kind of structural schematic diagram of the embodiment of multimedia overhead projector holder device of the utility model, and Fig. 2 is the one of the utility model
The main view of the embodiment of kind multimedia overhead projector holder device.In the present embodiment, which mainly wraps
It includes pedestal 1, elongated slot 11, rotate forward switch 12, reversal switch 13, support rod 2, sliding block 3, rotating support 4, sliding slot 41, upper hopper chute
411, gliding groove 412, baffle 42.
The middle part of 1 upper surface of pedestal offers an elongated slot 11 along the length direction of pedestal, and one end of elongated slot 11 is provided with one
Motor (not shown).One end of support rod 2 is connect with motor driven, and support rod 2 can be rotatably arranged within around one end
In elongated slot 11.Rotating support 4 is arranged in the top of pedestal 1, and one end of rotating support 4 and the upper surface of pedestal 1 are hinged, rotation
Turn support frame 4 as cuboid setting, wherein three sides of the upper surface of rotating support 4 are provided with baffle 42, and projection device can be with
It is placed on the upper surface of rotating support 4, three side baffles 42 can prevent projection device in the process for following rotating support 4 to rotate
The lower end surface of middle landing, rotating support 4 offers a sliding slot 41, setting in sliding slot 41 along the length direction of rotating support 4
Have a sliding block 3, sliding block 3 can along the chute 41 length directions it is movably hinged with the other end of support rod 2, pass through the rotation of support frame 2
Turn one end that lifting rotating support 4 deviates from hinged end.
In a preferred embodiment, as shown in Figure 1, one end of support rod 2 is opened up along the width direction of support rod 2
There is a splined hole (not shown), a deceleration mechanism, the output end of motor are additionally provided between support rod 2 and motor output end
It is engaged with the input terminal of deceleration mechanism, the output end of deceleration mechanism is engaged with the splined hole of support rod 2, and motor output torque is through subtracting
Fast mechanism is transferred to support rod 2 after slowing down so that the rotation of support rod 2 rise to supporting one end of rotating support 4 or
Fall, so as to adjust projection angle, by the revolving speed that deceleration mechanism reduces motor output end make the velocity of rotation of support rod 2 compared with
Slowly, make the adjusting angle of projection device wider.
In a preferred embodiment, as shown in Figure 1, the section that sliding slot 41 is is "convex" shaped setting, sliding slot 41
Including upper hopper chute 411 and gliding groove 412, wherein the width of upper hopper chute 411 is greater than the width of gliding groove 412.
In a preferred embodiment, as shown in Fig. 2, sliding block 3 is arranged in upper hopper chute 411, the width of sliding block 3 is small
In the width of upper hopper chute 411, the width of sliding block 3 is greater than the width of gliding groove 412, and sliding block 3 is limited in upper hopper chute 411, keeps away
Exempt from sliding block 3 to skid off.
In a preferred embodiment, it as shown in Figure 1, the width of support rod 2 is less than the width of gliding groove 412, keeps away
Exempt from support rod 2 to interfere with gliding groove 412 in the course of rotation.
In a preferred embodiment, as shown in Fig. 2, the inner wall of upper hopper chute 411 is provided with rounded corner, make sliding block 3
More smooth in the sliding of upper hopper chute 411, anti-limited slip block 3 generates clamping stagnation in upper hopper chute 411.
In a preferred embodiment, as shown in Figure 1, motor is electrically connected with external power supply, the side of pedestal 1 is arranged
Have and rotate forward switch 12 and reversal switch 13, rotate forward switch 12 and reversal switch 13 is electrically connected with motor respectively, presses rotating forward switch
12 rotate forward motor output end to make support rod 2 gradually rise, to increase the side tilt angle of rotating support 4, press
Lower reversal switch 13 rotates backward motor output end to make support rod 2 gradually fall, to reduce the side of rotating support 4
Degree of tilt.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
A kind of multimedia overhead projector holder device provided in this embodiment, is placed on the upper of rotating support 4 for projection device
End face, projection device are provided with the not set baffle 42 in side of projection lens, and excess-three side is provided with baffle 42, does not influence to throw
The normal projection of shadow equipment, and guarantee that projection device slides during angular adjustment, support rod 2 can be according to the control of motor
It is risen or is fallen, support rod 2 and sliding block 3 are hinged, and sliding block 3 can be according to the difference and the side of upper hopper chute 411 for adjusting angle
Fitting, sliding block 3 slide in upper hopper chute 411, to rise or fall one end of rotating support 4, and then adjust projection
The projection angle of equipment.The multimedia overhead projector holder device can realize rotation by the rotation of support rod 2 and the sliding of sliding block 3
Turn the lifting of 4 one end of support frame, so as to adjust the projection angle of projection device, and structure is simple, easy to operate.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (7)
1. a kind of multimedia overhead projector holder device characterized by comprising
Pedestal, the pedestal upper surface offer an elongated slot along the length direction of the pedestal, and one end of the elongated slot is provided with
One motor；
Support rod, one end of the support rod are connect with the motor driven, and the support rod can be around one end rotatably cloth
It sets in the elongated slot；
Rotating support, rotating support arrangement on the top of the base, one end of the rotating support with it is described
The upper surface of pedestal is hinged, and the rotating support is cuboid setting, wherein three side of the upper surface of the rotating support
It is provided with baffle, the lower end surface of the rotating support offers a sliding slot along the length direction of the rotating support, described
A sliding block is provided in sliding slot, the sliding block can movably connect with the other end of the support rod along the track length direction
It connects.
2. a kind of multimedia overhead projector holder device according to claim 1, which is characterized in that one end edge of the support rod
The width direction of the support rod offers a splined hole, the output end drive connection of the splined hole and the motor.
3. a kind of multimedia overhead projector holder device according to claim 1, which is characterized in that the section that the sliding slot is is
"convex" shaped setting, the sliding slot includes upper hopper chute and gliding groove, wherein the width of the upper hopper chute is greater than the gliding groove
Width.
4. a kind of multimedia overhead projector holder device according to claim 3, which is characterized in that the sliding block is arranged in described
In upper hopper chute, the width of the sliding block is less than the width of the upper hopper chute, and the width of the sliding block is greater than the width of the gliding groove
Degree.
5. a kind of multimedia overhead projector holder device according to claim 3, which is characterized in that the width of the support rod is small
In the width of the gliding groove.
6. a kind of multimedia overhead projector holder device according to claim 3, which is characterized in that the inner wall of the upper hopper chute is set
It is equipped with rounded corner.
7. a kind of multimedia overhead projector holder device according to claim 1, which is characterized in that the motor and external power supply
Electrical connection, the side of the pedestal are provided with rotating forward switch and reversal switch, the rotating forward switch and reversal switch difference
It is electrically connected with the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499862.3U CN209146647U (en) | 2018-09-13 | 2018-09-13 | A kind of multimedia overhead projector holder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499862.3U CN209146647U (en) | 2018-09-13 | 2018-09-13 | A kind of multimedia overhead projector holder device |
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| Publication Number | Publication Date |
|---|---|
| CN209146647U true CN209146647U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821499862.3U Active CN209146647U (en) | 2018-09-13 | 2018-09-13 | A kind of multimedia overhead projector holder device |
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| CN (1) | CN209146647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572495A (en) * | 2019-09-19 | 2019-12-13 | 新乡医学院 | Mobile phone projection device free of software installation |
| CN111120799A (en) * | 2019-12-27 | 2020-05-08 | 浙江更土电子商务有限公司 | Multimedia projection support device |
-
2018
- 2018-09-13 CN CN201821499862.3U patent/CN209146647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572495A (en) * | 2019-09-19 | 2019-12-13 | 新乡医学院 | Mobile phone projection device free of software installation |
| CN111120799A (en) * | 2019-12-27 | 2020-05-08 | 浙江更土电子商务有限公司 | Multimedia projection support device |
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