CN110880251B - Portable projection arrangement of marketing training teaching - Google Patents
Portable projection arrangement of marketing training teaching Download PDFInfo
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- CN110880251B CN110880251B CN201911209041.0A CN201911209041A CN110880251B CN 110880251 B CN110880251 B CN 110880251B CN 201911209041 A CN201911209041 A CN 201911209041A CN 110880251 B CN110880251 B CN 110880251B
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- rod
- projector
- sliding
- stand column
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
A portable projection device for marketing training teaching comprises a body, a projector and a support, wherein the projector is arranged above the body, an extensible U-shaped support is arranged at the bottom of the body, a stand column platform is arranged in the middle of the U-shaped support, a notch is formed in the side of the U-shaped support of the body and used for placing the stand column platform, a stand column is fixed on the stand column platform, a lifting rod capable of moving up and down is arranged inside the stand column, an annular fixing block is fixed at the upper end of the lifting rod, a detachable hanging rod is arranged on the annular fixing block, a curtain is placed on the hanging rod, a connecting rod is hinged to the annular fixing block, a sliding rod is hinged to the other end of the connecting rod, one end of the sliding rod is connected with the stand column in a sliding mode, a fixing rod is connected to the hinged position of the sliding rod and the connecting rod, the curtain support is automatically unfolded without being artificially built, and the bottom of the support is U-shaped, the deformation-preventing effect is good.
Description
Technical Field
The invention relates to the technical field of projection devices, in particular to a portable projection device for marketing training and teaching.
Background
Marketing is the provision of products and services of the market to the appropriate consumers at the appropriate time, at the appropriate place, at the appropriate price, and with the appropriate means of information communication and promotion; the market marketing method aims at meeting various needs and desires of human beings, changes potential exchange into actual exchange through the market, is a necessary means for mining new customers, and one of the market marketing means is to attract the customers through on-site training and teaching and publicity. The projector does not need to be used for a long time, the switching frequency cannot be too high, the time for shielding projection light by the lens cover cannot be too long, and the like.
The invention provides a portable projector which can meet the requirements of projectors and curtains which are convenient to carry when people go out and can protect the projectors, and the invention aims to provide the projector which can adapt to various non-indoor occasions and is convenient to use at any time and can protect the projectors.
Disclosure of Invention
The invention mainly aims to provide a projection device which can adapt to various non-indoor occasions and is convenient to use projection at any time and can protect a projector.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a portable projection arrangement of marketing training teaching, includes body, projecting apparatus and support, the body top is equipped with the projecting apparatus, the body bottom is equipped with the U type support that can extend, be equipped with the stand platform in the middle of the U type support, the U type support side of body is equipped with the breach, the breach is used for placing the stand platform, be fixed with the stand on the stand platform, the inside lifter that can reciprocate that is equipped with of stand, the lifter upper end is fixed with annular fixed block, be equipped with the detachable peg on the annular fixed block, place the curtain on the peg, annular fixed block articulates there is the connecting rod, the other end of connecting rod articulates there is the slide bar, the one end and the stand sliding connection of slide bar, the articulated department of slide bar and connecting rod is connected with the setting pole.
Can also place curtain, peg and design pole in the breach, when the stand platform withdrawed in the breach, again will curtain, peg and design pole are put into along the breach until the bottom contacts the stand platform.
The hinge department of connecting rod and annular fixed block is equipped with reference column a of fixing on the annular fixed block, the hinge department of slide bar and connecting rod is equipped with the connecting pin that articulates on the connecting rod, be equipped with first spout and second spout on the slide bar, the connecting pin can slide from top to bottom in first spout, be equipped with reference column b in the second spout, reference column b fixes on the stand, reference column b can slide along the second spout.
The lifting device is characterized in that a motor is arranged in the stand column platform and connected with a motor shaft, the motor shaft is located inside the lifting rod, and the motor shaft is in threaded engagement with the lifting rod.
The projector is arranged in the body and far away from the inside of the side of the U-shaped support, at least one clamping piece is arranged on the projector, a lifting mechanism used for controlling the position of the projector is arranged below the clamping piece, and a moving cover parallel to the surface of the body is arranged above the projector.
The utility model discloses a support structure, including U type support, body bottom, cylinder, stand platform, U type support, the equal rigid coupling in both ends of U type support has telescopic strut, two telescopic strut parallel fixation is in the both sides of body bottom, be fixed with the cylinder of parallel telescopic strut in the middle of the body bottom, the one end of cylinder and the side rigid coupling of stand platform, U type support is equipped with a pulley with one side of ground contact at least, the body bottom also is equipped with the pulley.
The annular fixing block is fixedly provided with a hanging column, the hanging column is matched with the hanging rod, clamping grooves are formed in two ends of the shaping rod, shaping holes are formed in the positions, close to the clamping grooves, of the shaping rod, and the shaping holes are matched with the connecting pins.
Compared with the prior art, the invention has the advantages that:
(1) the invention is applied outdoors, the curtain bracket and the projector are integrated, and the carrying is convenient; the projector is fixed in the projection device, so that strong collision, extrusion and vibration can be avoided, the movable cover is opened to facilitate ventilation and heat dissipation, and the movable cover can also prevent pollution when not used.
(2) The curtain support disclosed by the invention is automatically unfolded without being artificially constructed, and the bottom of the support is U-shaped, so that the anti-deformation effect is good.
(3) The traditional curtain support is generally cross-shaped, is easily disturbed by wind outdoors, and cannot project well on a curtain.
Drawings
FIG. 1 is a top view of a portable projection device for marketing training and instruction;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a view of the column of FIG. 2 in the direction B;
FIG. 4 is a view showing the state of the lift lever of FIG. 3 after it is raised;
FIG. 5 is a view showing the state where the setting bar is assembled after the elevating bar of FIG. 3 is raised;
FIG. 6 is a view of the setting bar, the hanging bar and the curtain of FIG. 3 assembled after the lift bar is raised;
FIG. 7 is a perspective view of the sizing bar;
fig. 8 is a view in the direction of C-C of fig. 2.
The names corresponding to the respective reference numerals are: a body 1; moving the cover 11; a notch 12; a pulley 13; a projector 2; a clamping member 21; a lifting structure 22; a U-shaped bracket 3; a telescopic strut 31; a cylinder 4; a column platform 5; a motor 51; a motor shaft 52; a column 6; a lift lever 61; an annular fixing block 62; a hanging post 7; positioning posts a 71; positioning posts b 72; a slide bar 73; a first chute 731; a second runner 732; a connecting rod 74; a connecting pin 75; a hanging rod 8; a sizing bar 81; a shaping hole 811; a card slot 812; a curtain 82.
Detailed Description
The following description is presented to disclose the invention in order to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The embodiment of the invention is as follows: a portable projector for marketing training teaching comprises a body 1, a projector 2 and a support, wherein the projector 2 is arranged above the body, an extensible U-shaped support 3 is arranged at the bottom of the body 1, the U-shaped support is used for preventing deformation and improving the projection effect, an upright post platform 5 is arranged in the middle of the U-shaped support 3, a notch 12 is arranged on the side of the U-shaped support 3 of the body 1, the notch 12 is used for placing the upright post platform 5, an upright post 6 is fixed on the upright post platform 5, a lifting rod 61 capable of moving up and down is arranged in the upright post 6, an annular fixing block 62 is fixed at the upper end of the lifting rod 61, a detachable hanging rod 8 is arranged on the annular fixing block 62, a curtain 82 is placed on the hanging rod 8, the annular fixing block 62 is hinged with a connecting rod 74, the other end of the connecting rod 74 is hinged with a sliding rod 73, one end of the sliding rod 73 is in sliding connection with the upright post 6, the hinge joint of the sliding rod 73 and the connecting rod 74 is connected with a shaping rod 81.
The gap 12 can also be provided with a curtain 82, a hanging rod 8 and a shaping rod 81, when the upright platform is retracted into the gap 12, the curtain 82, the hanging rod 8 and the shaping rod 81 are put into the gap until the bottom of the upright platform contacts with the bottom of the upright platform.
A positioning column a71 fixed on the annular fixed block 62 is arranged at the hinge joint of the connecting rod 74 and the annular fixed block 62, a connecting pin 75 hinged on the connecting rod 74 is arranged at the hinge joint of the sliding rod 73 and the connecting rod 74, a first sliding groove 731 and a second sliding groove 732 are arranged on the sliding rod 73, the connecting pin 75 can slide up and down in the first sliding groove 731, a positioning column b72 is arranged in the second sliding groove 732, the positioning column b72 is fixed on the upright column 6, and the positioning column b72 can slide along the second sliding groove 732.
The upright post platform 5 is internally provided with a motor 51, the motor 51 is connected with a motor shaft 52, the motor shaft 52 is positioned inside the lifting rod 61, and the motor shaft 52 is in threaded engagement with the lifting rod 61. The electric elements such as the motor, the cylinder, the wiring and the like in the invention are all the prior art, and the invention is not specifically explained.
The projector 2 is arranged in the body 1 and far away from the side of the U-shaped support 3, at least one clamping piece 21 is arranged on the projector 1, a lifting mechanism 22 used for controlling the position of the projector is arranged below the clamping piece 21, and a moving cover 11 parallel to the surface of the body is arranged above the projector 2.
The equal rigid coupling in both ends of U type support 3 has telescopic strut 31, two telescopic strut 31 parallel fixation is in the both sides of body 1 bottom, be fixed with parallel telescopic strut 31's cylinder 4 in the middle of body 1 bottom, the cylinder is the multisection cylinder, the one end of cylinder 4 and the side rigid coupling of stand platform 5, U type support 3 is equipped with a pulley 13 with one side of ground contact at least, body 1 bottom also is equipped with pulley 13.
Annular fixed block 62 is fixed with hangs post 7, hang post 7 and peg 81 cooperation, the both ends of sizing rod 81 are equipped with draw-in groove 812, sizing rod 81 is close to draw-in groove 812 department and is equipped with sizing hole 811, sizing hole 811 cooperates with connecting pin 75.
The whole movement process is as follows: starting the cylinder 4, the cylinder pushes the U-shaped bracket 3 to move in a direction away from the body 1, the pulley 13 is for moving conveniently, the telescopic supporting rod 31 is also stretched under the driving of the U-shaped bracket 3, then the motor 51 is started, the motor shaft 52 rotates, so that the lifting rod 61 is lifted, the upright is fixed on the upright platform, the annular fixed block 62 is fixed on the lifting rod, the hanging column 7 and the positioning column a71 are fixed on the annular fixed block 62, the positioning column b72 is fixed on the upright 6 and cannot be moved, after the lifting rod 61 is lifted, the positioning column a71 is also lifted upwards to drive the connecting rod 74 to move upwards, the connecting pin 75 is hinged at one end of the connecting rod 74, so that the connecting pin 75 moves along the first sliding groove 731 until moving to the top of the connecting pin 75, the sliding rod 73 is lifted upwards, and the positioning column b72 relatively moves in the second sliding groove 732 until the lifting rod stops moving upwards, and a little attention is needed, when the lifting rod stops moving upwards, the position of the positioning column b72 in the second chute 732 does not reach the lowest point, at this time, one of the shaping holes 811 on the shaping rod 81 is clamped with the connecting pin 75, then the other shaping hole 811 is clamped with the other connecting pin 75, at this time, the position of the positioning column b72 in the second chute 732 reaches the lowest point, at this time, the two sliding rods 73 and the two connecting rods 74 form a prism shape as shown in fig. 5, then the hanging rod 8 is hung on the hanging column 7, the hanging column 7 is provided with a positioning groove, the curtain is positioned in the hanging rod in a rolling manner, finally the curtain on the hanging rod 8 is unfolded, finally the moving plate 11 is opened, the lifting structure 22 on the body 1 is started to enable the projector 2 to ascend onto the surface of the body 1, and the lifting structure 22 can be driven by hydraulic pressure or motor or can be an automatic adjusting mechanism on the existing projector, and finally the projection is started. After the projection is finished, the structure on the side of the U-shaped support is closed firstly, so that the projector can be retracted after the projector sufficiently dissipates heat outside, and the moving plate 11 is closed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a portable projection arrangement of marketing training teaching, includes body (1), projecting apparatus (2) and support, its characterized in that: the novel curtain cloth is characterized in that a projector (2) is arranged above the body, an extensible U-shaped support (3) is arranged at the bottom of the body (1), a stand column platform (5) is arranged in the middle of the U-shaped support (3), a notch (12) is arranged on the side of the U-shaped support (3) of the body (1), the notch (12) is used for placing the stand column platform (5), a stand column (6) is fixed on the stand column platform (5), a lifting rod (61) capable of moving up and down is arranged in the stand column (6), an annular fixing block (62) is fixed at the upper end of the lifting rod (61), a detachable hanging rod (8) is arranged on the annular fixing block (62), a curtain cloth (82) is placed on the hanging rod (8), a connecting rod (74) is hinged to the annular fixing block (62), a sliding rod (73) is hinged to the other end of the connecting rod (74), one end of the sliding rod (73) is connected with the stand column (6) in a sliding manner, the hinged part of the sliding rod (73) and the connecting rod (74) is connected with a shaping rod (81);
a positioning column a (71) fixed on the annular fixed block (62) is arranged at the hinged position of the connecting rod (74) and the annular fixed block (62), a connecting pin (75) hinged on the connecting rod (74) is arranged at the hinged position of the sliding rod (73) and the connecting rod (74), a first sliding groove (731) and a second sliding groove (732) are arranged on the sliding rod (73), the connecting pin (75) can slide up and down in the first sliding groove (731), a positioning column b (72) is arranged in the second sliding groove (732), the positioning column b (72) is fixed on the upright column (6), and the positioning column b (72) can slide along the second sliding groove (732);
annular fixed block (62) are fixed with string post (7), hang post (7) and peg (8) cooperation, the both ends of sizing rod (81) are equipped with draw-in groove (812), sizing rod (81) are close to draw-in groove (812) department and are equipped with sizing hole (811), sizing hole (811) and connecting pin (75) cooperation.
2. The portable projection device for marketing training and teaching of claim 1, wherein: a curtain (82), a hanging rod (8) and a shaping rod (81) can be placed in the notch (12).
3. The portable projection device for marketing training and teaching of claim 1, wherein: the lifting column is characterized in that a motor (51) is arranged in the upright column platform (5), the motor (51) is connected with a motor shaft (52), the motor shaft (52) is located in the lifting rod (61), and the motor shaft (52) is in threaded engagement with the lifting rod (61).
4. The portable projection device for marketing training and teaching of claim 1, wherein: the projector is characterized in that the projector (2) is arranged in the body (1) and far away from the side of the U-shaped support (3), at least one clamping piece (21) is arranged on the projector (2), a lifting mechanism (22) used for controlling the position of the projector is arranged below the clamping piece (21), and a moving cover (11) parallel to the surface of the body is arranged above the projector (2).
5. The portable projection device for marketing training and teaching of claim 1, wherein: the equal rigid coupling in both ends of U type support (3) has telescopic strut (31), two telescopic strut (31) parallel fixation is in the both sides of body (1) bottom, be fixed with cylinder (4) of parallel telescopic strut (31) in the middle of body (1) bottom, the one end of cylinder (4) and the side rigid coupling of stand platform (5), U type support (3) are equipped with one pulley (13) with one side of ground contact at least, body (1) bottom also is equipped with pulley (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209041.0A CN110880251B (en) | 2019-11-30 | 2019-11-30 | Portable projection arrangement of marketing training teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209041.0A CN110880251B (en) | 2019-11-30 | 2019-11-30 | Portable projection arrangement of marketing training teaching |
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| Publication Number | Publication Date |
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| CN110880251A CN110880251A (en) | 2020-03-13 |
| CN110880251B true CN110880251B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911209041.0A Active CN110880251B (en) | 2019-11-30 | 2019-11-30 | Portable projection arrangement of marketing training teaching |
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| US20060014132A1 (en) * | 2004-07-19 | 2006-01-19 | Johnny Hamilton | Teaching easel with electronic capabilities |
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| RU177416U1 (en) * | 2016-08-15 | 2018-02-21 | Юлия Владимировна Григорьева | DEVICE FOR MEASURING LIGHT FLOW THROUGH SURFACE OF A SLIDES OR CEVETS |
| CN206249610U (en) * | 2016-11-30 | 2017-06-13 | 许昌学院 | A kind of Portable multimedia education device |
| CN206409851U (en) * | 2017-01-19 | 2017-08-15 | 成都西华升腾科技有限公司 | A kind of automatic deploying and retracting suspension bracket applied to conference room projectors |
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| CN110880251A (en) | 2020-03-13 |
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Effective date of registration: 20221011 Address after: 050000 Room 202, unit 1, building 4, 48 Changqing Road, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee after: Wang Yi Patentee after: SHIJIAZHUANG POST & TELECOMMUNICATION TECHNICAL College Address before: 050000 Room 202, unit 1, building 4, 48 Changqing Road, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee before: Wang Yi |
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