CN204083725U - High-definition digital show stand - Google Patents
High-definition digital show stand Download PDFInfo
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- CN204083725U CN204083725U CN201420385550.5U CN201420385550U CN204083725U CN 204083725 U CN204083725 U CN 204083725U CN 201420385550 U CN201420385550 U CN 201420385550U CN 204083725 U CN204083725 U CN 204083725U
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- support arm
- show stand
- definition digital
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- pivot
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Abstract
A kind of high-definition digital show stand, comprises base, supporting element and projection table.Supporting element comprises the first support arm, the first tightening knob, the second support arm, the second tightening knob, support platform and the 3rd tightening knob, and the first support arm and base pivot joint, the first tightening knob is arranged at the pivot-connecting position of the first support arm and base.Second support arm and the first support arm pivot joint, the second tightening knob is arranged at the pivot-connecting position of the first support arm and the second support arm.Support platform and the second support arm pivot joint, the 3rd tightening knob is arranged at the pivot-connecting position of the second support arm and support platform.Projection table is provided with projection lens.Above-mentioned high-definition digital show stand can rotate three degree of freedom supporting element by arranging between base and projection table, thus the projection lens in projection table can be subjected to displacement more neatly, reduces the restriction of projection lens by projection cloth position.In addition, when storage is deposited, high-definition digital show stand can be saved deposit the space that need occupy by supporting element is folded.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of high-definition digital show stand.
Background technique
High-definition digital show stand is a under modernizing teaching requirement, the indispensable equipment of multi-media classroom, data, material object, lantem slide etc. can be converted to digital picture to carry out display and project, also can show image, the Word message in the memory devices such as USB, extremely easy to use.It is also known as video showing platform, object demo apparatus, episcope, projector for real object etc., it is a kind of high-tech product of light, mechanical, electrical integration, it by the important tool of various forms of image information input computer, is still the third-generation computer input device after keyboard and mouse.Numbers show platform has than keyboard and the stronger function of mouse, from the most original picture, photo, film to all kinds of document all available digital show stand be input to rapidly computer, and then the process, management, use, storage, output etc. that realize the information of these image formats, coordinate optical character recognition OCR, the manuscript of scanning can also be converted to the textual form of computer.
But, still there is drawback in existing high-definition digital show stand: the projection lens of high-definition digital show stand coordinates underaction with projection cloth, namely the flexibility of the projection lens of high-definition digital show stand is restricted, such as, at some special occasions, when needing projection cloth to be placed in higher position, the high-definition digital show stand of correspondence is often also needed also to be placed in higher position, to make the image of projection lens projects correctly show on projection cloth without skew, this causes great impact with regard to putting to the arrangement of high-definition digital show stand.
Model utility content
Based on this, be necessary to provide that a kind of projection lens moves comparatively flexibly, storage comparatively saves space-efficient high-definition digital show stand, other technologies scheme of the present utility model when depositing, technical problem more stable when also solving use.
A kind of high-definition digital show stand, comprising:
Base;
Supporting element, described supporting element comprises the first support arm, first tightening knob, second support arm, second tightening knob, support platform and the 3rd tightening knob, described first support arm and described base pivot joint, described first tightening knob is arranged at the pivot-connecting position of described first support arm and described base, stationary state or pivot joint rotation status is in make described first support arm and described base, described second support arm and described first support arm are away from the end pivot joint of described base, described second tightening knob is arranged at the pivot-connecting position of described first support arm and described second support arm, stationary state or pivot joint rotation status is in make described second support arm and described first support arm, described support platform and described second support arm are away from the end pivot joint of described first support arm, described 3rd tightening knob is arranged at the pivot-connecting position of described second support arm and described support platform, to make described second support arm and described supporting platform in stationary state or pivot joint rotation status, and
Projection table, described projection table is fixedly installed on described support platform, and described projection table is provided with projection lens.
In one of them embodiment, all offer wire casing in described first support arm and described second support arm, accommodating electric wire in described wire casing.
In one of them embodiment, the end face of the end of described first support arm and described second support arm pivot-connecting position is convex globoidal, the end opens of described second support arm and described first support arm pivot-connecting position has bottom for the containing groove of concave arc surface, and the end accommodation of described first support arm and described second support arm pivot-connecting position is in described containing groove.
In one of them embodiment, described first support arm and described second support arm are set to hollow structure.
In one of them embodiment, described base is also provided with the power switch of power circuit for being communicated with or cutting off described projection lens.
In one of them embodiment, described base is provided with several mounting holes.
In one of them embodiment, described base is arranged several suckers.
In one of them embodiment, in described base, be provided with cavity, accommodating liquid in described cavity.
In one of them embodiment, described support platform comprises supporting body and fixed block, and described projection table is fixedly installed on described supporting body, and described fixed block fixes described projection table and described supporting body respectively.
In one of them embodiment, the pivot joint running shaft of described first support arm and described base and the pivot joint running shaft of described second support arm and described first support arm perpendicular.
Above-mentioned high-definition digital show stand can rotate three degree of freedom supporting element by arranging between base and projection table, thus the projection lens in projection table can be subjected to displacement more neatly, reduces the restriction of projection lens by projection cloth position.In addition, when storage is deposited, high-definition digital show stand can be saved deposit the space that need occupy by supporting element is folded.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high-definition digital show stand of the utility model one mode of execution;
Fig. 2 is the structural representation of the base shown in Fig. 1;
Fig. 3 is the enlarged view of Fig. 1 at A place;
The partial structurtes schematic diagram that Fig. 4 is the first support arm shown in Fig. 1 and the second support arm;
The structural representation that Fig. 5 is the support platform shown in Fig. 1 and projection table.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Refer to Fig. 1, high-definition digital show stand 10 comprises base 100, supporting element 200 and projection table 300, and supporting element 200 is arranged on base 100 and in projection table 300 respectively, for base for supporting 100 and projection table 300.Wherein, in high-definition digital show stand 10 described in the utility model, be relevant to the main functional modules of the existing video showing platform such as data processing, image output, be all arranged on base 100, these are related to the function module of control, be structurally fixed and be installed on base 100.
Please refer to Fig. 2, base 100 is provided with power switch 110, power switch 110 is for being communicated with or cutting off the power circuit of projection table 300, concrete connection and switch control rule please refer to existing techniques in realizing, and this embodiment is for the base 100 of example power switch-linear hybrid in high-definition digital show stand 10.
In order to fixed placement base 100 better, be subject to external impacts in use to prevent base 100 and occur displacement and normal projection's work of having influence on projection table 300, and then make high-definition digital show stand 10 more stable in use.Such as, the bottom of base 100 offers several mounting hole (not shown), and is anchored on pre-installed position by base 100 by threaded fastener.And for example, in base 100, be provided with cavity 120, accommodating liquid substance in cavity 120, to increase the gravity of base 100 self.And for example, the bottom of base 100 is provided with several sucker (not shown), and by sucker suction on pre-absorption position, to increase the stability of bottom.Like this, can fixed placement base 100 better, with prevent base 100 be subject in use external impacts there is displacement and have influence on projection table 300 normal projection work, and then the image stabilization that projection table 300 projects can be ensured and there will not be to rock, and then make high-definition digital show stand 10 more stable in use.
Refer to Fig. 1, supporting element 200 comprises the first support arm 210, first tightening knob 220, second support arm 230, second tightening knob 240, support platform 250 and the 3rd tightening knob 260.
First support arm 210 and base 100 pivot joint, to make the first support arm 210 respect thereto 100 rotatable.First tightening knob 220 is arranged at the first support arm 210 and the pivot-connecting position of base 100, is in stationary state or pivot joint rotation status to make the first support arm 210 with base 100.Such as, the first tightening knob 220 is twist bolt on the other hand, when it is tightened, first support arm 210 is in stationary state with base 100, and when it is unscrewed, the first support arm 210 is in pivot joint rotation status with base 100, now, the first support arm 210 is rotatable relative to base 100.
Second support arm 230 and the first support arm 210 away from the end pivot joint of base 100, to make relative first support arm 210 of the second support arm 230 rotatable.Second tightening knob 240 is arranged on the first support arm 210 and the second support arm 230 pivot-connecting position, is in stationary state or pivot joint rotation status to make the first support arm 230 and the first support arm 210.Same, such as, second tightening knob 240 is twist bolt on the other hand, when it is tightened, second support arm 230 is in stationary state relative to the first support arm 210, and when it is unscrewed, the second support arm 230 is in pivot joint rotation status relative to the first support arm 210, now, the second support arm 230 is rotatable relative to the first support arm 210.
Refer to Fig. 5, support platform 250 comprises supporting body 251 and is fixedly installed on the fixed block 252 on supporting body 251, supporting body 251 and the second support arm 230 away from the end pivot joint of the first support arm 210, to make relative second support arm 230 of supporting body 251 rotatable.3rd tightening knob 260 is arranged at the second support arm 230 and the pivot-connecting position of supporting body 251, is in stationary state or rotation status to make the second support arm 230 with supporting body 251.
It should be noted that, in the present embodiment, the pivot joint running shaft of the first support arm 210 and base 100 and the pivot joint running shaft of the second support arm 230 and the first support arm 210 are in same plane.And for example, in other embodiments, the pivot joint running shaft of the first support arm 210 and base 100 and the pivot joint running shaft of the second support arm 230 and the first support arm 210 perpendicular.
In order to strengthen the mechanical property of support platform 250.Such as, supporting body 251 and fixed block 252 are formed in one structure, such as, by macromolecular material integrated injection molding.And for example, shaping by aluminium integrated punching.Like this, the mechanical property of support platform 250 can be strengthened.
Space is left when rotating to give the first support arm 210 and the second support arm 230 pivot joint, to prevent the first support arm 210 and the second support arm 230 from colliding when pivot joint rotates, thus the first support arm 210 and the second support arm 230 more successfully pivot joint are rotated.Such as, refer to Fig. 3, the end face of the end of the first support arm 210 and the second support arm 230 pivot-connecting position is convex globoidal 211, the end opens of the second support arm 230 and the first support arm 210 pivot-connecting position has bottom for the containing groove 233 of concave arc surface 231, and the end accommodation of the first support arm 210 and the second support arm 230 pivot-connecting position is in containing groove 233, such as, interval is provided with between the end 230 of the first support arm 210 and the second support arm pivot-connecting position and containing groove 233.Like this, space is left when rotating to the first support arm 210 and the second support arm 230 pivot joint, collide when rotating to prevent the first support arm 210 and the second support arm 230 pivot joint, thus the first support arm 210 and the second support arm 230 more successfully pivot joint are rotated.
Unimpeded in order to ensure the electrical wiring of high-definition digital show stand 10, can normally work to make high-definition digital show stand 10.Such as, the first support arm 210 and the second support arm 230 are hollow structure, and electric wire is placed in the first support arm 210 and the second support arm 230.And for example, refer to Fig. 4, all offer wire casing 290 in the first support arm 210 and the second support arm 230, electric wire 500 is placed in wire casing 290.Like this, can ensure that the electrical wiring of high-definition digital show stand 10 is unimpeded, can normally work to make high-definition digital show stand 10.In addition, electrical wiring can also be prevented exposed in the external world, both ensure the safety of user, make again high-definition digital show stand 10 overall structure simply attractive in appearance.
Above-mentioned supporting element 200 is by arranging the first support arm 210, second support arm 230 and support platform 250 of pivot joint successively, achieve the rotation of three degree of freedom, and by tightening the first tightening knob 220, second tightening knob 240 and the 3rd tightening knob 260 can also make pivot joint rotation status be converted into stationary state.
Refer to Fig. 1 and Fig. 5, projection table 300 is fixedly installed on supporting body 251, and fixed block 252 fixes projection table 300 and supporting body 251 respectively, is fixed on more securely on supporting body 251 to make projection table 300.Such as, in order to solve the technical problem of how to be convenient to install projection table 300, supporting body 251 is arranged chute and snap close, the adaptive described chute of projection table 300 arranges joint, for sliding on described chute, and, after projection table 300 is in place, by the position of described snap close locking projection table, like this, reach the technique effect that projection table dismounting is more convenient, be conducive to production and the storage at ordinary times of product.
Be fixed on more securely on supporting body 251 to make projection table 300 further.Such as, fixed block 252 comprises the first fixing part 252a, joint 252b and the second fixing part 252c, first fixing part 252a and joint 252b is fixedly connected to form " L " character form structure, projection table 300 is fixedly installed on the first fixing part 252a and joint 252b, second fixing part 252c and joint 252b is fixedly connected to form " L " character form structure, second fixing part 252c is fixedly installed on supporting body 251, such as, the first fixing part 252a, the second fixing part 252c and joint 252b are all locked by threaded fastener (not shown).Like this.Projection table 300 can be made further to be fixed on supporting body 251 more securely, to there will not be to ensure the image stabilization that projection table 300 projects and rock, and then make high-definition digital show stand 10 more stable in use
Refer to Fig. 5, the front end of projection table 300 is provided with projection lens 310, and the image projected to make projection lens 310 can be shown in projection cloth (not shown).Such as, projection lens 310 is arranged in the holding area of projection table 300 inside, and its projection plane protrudes from described holding area.
In order to ensure that projection lens 310 can project the image of high definition.Such as, projection lens 310 is wide-angle high definition projection lens.Like this, can ensure that projection lens 310 projects the image of high definition.
Above-mentioned high-definition digital show stand 10 can rotate three degree of freedom supporting element 200 by arranging between base 100 and projection table 300, thus the projection lens 310 in projection table 300 can be subjected to displacement more neatly, reduce the restriction of projection lens 310 by projection cloth position.In addition, when storage is deposited, by high-definition digital show stand 10 can be saved deposit the space that need occupy by folding for supporting element 200.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a high-definition digital show stand, is characterized in that, comprising:
Base;
Supporting element, described supporting element comprises the first support arm, first tightening knob, second support arm, second tightening knob, support platform and the 3rd tightening knob, described first support arm and described base pivot joint, described first tightening knob is arranged at the pivot-connecting position of described first support arm and described base, stationary state or pivot joint rotation status is in make described first support arm and described base, described second support arm and described first support arm are away from the end pivot joint of described base, described second tightening knob is arranged at the pivot-connecting position of described first support arm and described second support arm, stationary state or pivot joint rotation status is in make described second support arm and described first support arm, described support platform and described second support arm are away from the end pivot joint of described first support arm, described 3rd tightening knob is arranged at the pivot-connecting position of described second support arm and described support platform, to make described second support arm and described supporting platform in stationary state or pivot joint rotation status, and
Projection table, described projection table is fixedly installed on described support platform, and described projection table is provided with projection lens.
2. high-definition digital show stand according to claim 1, is characterized in that, all offers wire casing, accommodating electric wire in described wire casing in described first support arm and described second support arm.
3. high-definition digital show stand according to claim 1, it is characterized in that, the end face of the end of described first support arm and described second support arm pivot-connecting position is convex globoidal, the end opens of described second support arm and described first support arm pivot-connecting position has bottom for the containing groove of concave arc surface, and the end accommodation of described first support arm and described second support arm pivot-connecting position is in described containing groove.
4. high-definition digital show stand according to claim 1, is characterized in that, described first support arm and described second support arm are set to hollow structure.
5. high-definition digital show stand according to claim 1, is characterized in that, described base is also provided with the power switch of power circuit for being communicated with or cutting off described projection lens.
6. high-definition digital show stand according to claim 1, is characterized in that, described base is provided with several mounting holes.
7. high-definition digital show stand according to claim 1, is characterized in that, described base is arranged several suckers.
8. high-definition digital show stand according to claim 1, is characterized in that, is provided with cavity in described base, accommodating liquid in described cavity.
9. high-definition digital show stand according to claim 1, is characterized in that, described support platform comprises supporting body and fixed block, and described projection table is fixedly installed on described supporting body, and described fixed block fixes described projection table and described supporting body respectively.
10., according to the arbitrary described high-definition digital show stand of claim 1 to 9, it is characterized in that, the pivot joint running shaft of described first support arm and described base and the pivot joint running shaft of described second support arm and described first support arm perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385550.5U CN204083725U (en) | 2014-07-11 | 2014-07-11 | High-definition digital show stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385550.5U CN204083725U (en) | 2014-07-11 | 2014-07-11 | High-definition digital show stand |
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| Publication Number | Publication Date |
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| CN204083725U true CN204083725U (en) | 2015-01-07 |
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| CN201420385550.5U Active CN204083725U (en) | 2014-07-11 | 2014-07-11 | High-definition digital show stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870026A (en) * | 2018-07-19 | 2018-11-23 | 安徽博豪信息技术有限公司 | Projection arrangement is used in a kind of education for computer teaching |
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2014
- 2014-07-11 CN CN201420385550.5U patent/CN204083725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870026A (en) * | 2018-07-19 | 2018-11-23 | 安徽博豪信息技术有限公司 | Projection arrangement is used in a kind of education for computer teaching |
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| GR01 | Patent grant |