CN108803225A - A kind of self-adjustable mobile projection screen - Google Patents
A kind of self-adjustable mobile projection screen Download PDFInfo
- Publication number
- CN108803225A CN108803225A CN201810779506.5A CN201810779506A CN108803225A CN 108803225 A CN108803225 A CN 108803225A CN 201810779506 A CN201810779506 A CN 201810779506A CN 108803225 A CN108803225 A CN 108803225A
- Authority
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- China
- Prior art keywords
- fixed
- fixed pedestal
- projection screen
- self
- welded
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
Abstract
The invention discloses a kind of self-adjustable mobile projection screens, including showing mechanism, display board, fixed frame, self-locking trundle, the displaying mechanism is by automatic page turning mechanism, top plate, supporting mechanism, pull strap drawing mechanism, fixed pedestal, support column, elevating drive mechanism, controller, clear up dust mechanism composition, the fixed pedestal lower surface is equipped with middle control module, fixed pedestal upper surface is equipped with pressure sensor, the pressure sensor is electrically connected with middle control module, the fixed pedestal lower surface is equipped with sound identification module, sound identification module is electrically connected with middle control module.Projection screen is solved using after a period of time, dust can be accumulated, these dusts are difficult to clear up the use quality that can influence projection screen；And projection screen is fixedly connected on wall, can not be shifted, and if necessary to use, can waste the manpower cried and the time is reinstalled.
Description
Technical field
The present invention relates to projection screen fixed equipment, specially a kind of self-adjustable mobile projection screen.
Background technology
The application of projecting apparatus is very extensive, is widely used in a meeting because application is convenient, common projection screen is logical
It often needs to be fixed on the wall, when in use, projection screen be put down, there are the following problems in this way：Projection screen is when using one section
Between after, dust can be accumulated, these dusts are difficult to clear up the use quality that can influence projection screen；And projection screen is fixedly connected on
It on wall, can not be shifted, if necessary to use, the manpower cried can be wasted and the time is reinstalled.
Invention content
Present invention aims at a kind of self-adjustable mobile projection screen is provided, to solve to carry in above-mentioned background technology
The common projection screen gone out usually requires to be fixed on the wall, and when in use, projection screen is put down, and projection screen is when using one section
Between after, dust can be accumulated, these dusts are difficult to clear up the use quality that can influence projection screen；And projection screen is fixedly connected on
It on wall, can not be shifted, if necessary to use, the manpower cried can be wasted and the time is reinstalled.
A kind of self-adjustable mobile projection screen, including displaying mechanism, display board, fixed frame, self-locking trundle, it is described
Show that the section of mechanism and display board is rectangular configuration, display board rear end fixing buckle together in displaying mechanism front-end surface and
The two is integrated molding structure, the fixed frame set there are two and level be welded in display machine structure lower end both sides, the self-locking
Castor be set to fixed frame bottom, the displaying mechanism by automatic page turning mechanism, top plate, supporting mechanism, pull strap drawing mechanism, consolidate
Determine pedestal, support column, elevating drive mechanism, controller, cleaning dust mechanism composition, the support column sets there are two and welds respectively
Fixed pedestal bottom both ends are connected to, the elevating drive mechanism is respectively arranged on inside two support columns and is matched with fixed pedestal
Flexible connection, controller rear end fixing buckle is integrated molding structure together in fixed pedestal front center and the two, described
Supporting mechanism sets there are two and is respectively welded in fixed pedestal upper end both sides, and the top plate transverse weld is in two supporting mechanism tops
It holds and is reinforced by screw and connected, the automatic page turning mechanism is fixed at top plate bottom end and is matched with supporting mechanism, described
Cleaning dust actuator base is fixed on fixed pedestal upper center and is matched with automatic page turning mechanism, the pull strap stretching-machine
There are two structure is set, the pull strap drawing mechanism is respectively arranged on top plate bottom both ends and matches flexible connection with supporting mechanism,
The fixed pedestal lower surface be equipped with middle control module, fixed pedestal upper surface be equipped with pressure sensor, the pressure sensor with
Middle control module is electrically connected, and the fixed pedestal lower surface is equipped with sound identification module, sound identification module and middle control module electricity
Property connection.
Preferably, the automatic page turning mechanism is made of supporting rack, projection screen, cloth beam, the axis of rolling, and support frame as described above is equipped with
Two and level are welded in top plate bottom both ends, and the cloth beam is fixedly embedded on the inside of two supporting racks, and the projection screen is fixed
It is wound in cloth beam outer surface and matches flexible connection with the axis of rolling, the axis of rolling transverse weld is on the inside of two supporting mechanisms
And the two matches flexible connection, support frame as described above is set to right over pressure sensor.
Preferably, the supporting mechanism is made of central shaft, braced frame, rack, gear, the braced frame top
It is connect with top plate, the welding of bottom end and fixed pedestal, the rack is set to inside braced frame, and the central shaft is set to braced frame
Middle part, the axis of rolling transverse weld are connected on the right side of braced frame and with central shaft, during the gear fixation is nested in
Mandrel center outer surface is simultaneously meshed with rack.
Preferably, the pull strap drawing mechanism is made of holder, idler wheel, electric box, pull strap, first motor, described
First motor is circumscribed with first motor drive module, and the first motor drive module is electrically connected with middle control module, the branch
Frame fixation is welded in top plate bottom left and is fixedly connected by positioning pin, and the idler wheel fixation is nested in internal stent appearance
Face, the electric box right side are fixed on the left of supporting mechanism, and the first motor is fixed on the left of fixed pedestal upper end, institute
First motor is stated to be flexibly connected with idler wheel, electric box by pull strap.
Preferably, the elevating drive mechanism is by empty slot, protection block, lead screw, driving motor, mounting plate, screw rod bushing, adjusting
Bar forms, and the mounting plate both ends horizontal is extended to vertically is welded in mounting plate with support column inner bottom, the driving motor
It upper end and is fixedly connected by positioning pin, the lead screw bottom, which is fixed, is welded in driving motor upper center and the two matches work
Dynamic connection, the protection block transverse weld is in screw mandrel top, and the screw rod bushing fixing sleeve is together in lead screw upper end outer surface, the sky
Slot is fixed at fixed pedestal bottom left and the two is integrated molding structure, and the adjusting rod fixation is welded on screw rod bushing
End right side is simultaneously in contact with empty slot through support column, and the driving motor is external and driving motor drive module, the driving
Motor drive module is electrically connected with middle control module.
Preferably, the cleaning dust mechanism is described by bearing block, rotary shaft, flabellum, transmission belt, the second motor form
Bearing block transverse weld is fixedly connected in fixed pedestal upper center and by positioning pin, and the rotary shaft is equipped with two or more,
The rotation axis horizontal is welded in bearing block upper end face, and the flabellum is embedded in rotary shaft upper end face and between the two phase
Cooperation flexible connection, the second motor bottom fixation are welded in fixed pedestal upper end and are fixedly connected by positioning pin, institute
Transmission belt is stated to be movably connected in rotary shaft and the second outer surface of motor.
Preferably, the empty slot is fixed at fixed pedestal bottom left and the two is integrated molding structure.
Beneficial effects of the present invention：Staff fixes projection screen, will show that mechanism is moved to by self-locking trundle
Destination, when in use, controller control first motor work, the axis of rolling, rack and pinion cooperation under, will project
Curtain is unfolded, and when supporting rack touches pressure sensor, pressure sensor transmits signal just to middle control module, middle control
Module control first motor be stopped, when nobody close to when, start first motor rotate backward, projection screen is accepted, from
Dynamic is shown, and improves the protecting effect to projection screen, by sound identification module, driving motor, lead screw, protection block,
The cooperation of screw rod bushing, x adjusting rods, empty slot can adjust height according to using and showing demand, keep sight exhibition more comfortable, work as language
When sound identification module identifies corresponding instruction "high", driving motor makes fixed pedestal height increase, when sound identification module is known
When not going out corresponding instruction " low ", driving motor makes the reduction of fixed pedestal height, when needing to clear up projection screen, can lead to
It crosses under the cooperation of bearing block, the second motor, rotary shaft and flabellum, when to product introduction, has reached near projection screen
The effect that dust is removed, further protects product, improves the quality of projection screen, the puzzlement of staff is reduced, one
In a little embodiments, the length of protection block is more than the length of lead screw, can limit the shift position of screw rod bushing, prevent screw rod bushing from moving
The range for moving out of lead screw causes some unnecessary accidents to occur, and in some embodiments, peace is fixed in the inside of braced frame
Equipped with rack, gear is engaged on rack, central shaft is fixedly connected through gear and with gear, gear and rack cooperation, convenient
Lifting to projection screen.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of self-adjustable mobile projection screen of the present invention.
Fig. 2 is the internal structure schematic diagram of present invention displaying mechanism.
Fig. 3 is the internal structure detailed maps of present invention displaying mechanism.
Fig. 4 is the partial structural diagram of Fig. 3 of the present invention.
Fig. 5 is the structural schematic diagram of A in Fig. 2 of the present invention.
Wherein：Show mechanism -1, display board -2, fixed frame -3, self-locking trundle -5, automatic page turning mechanism -101, top plate -
102, supporting mechanism -103, pull strap drawing mechanism -104, fixed pedestal -105, support column -106, elevating drive mechanism -107,
Controller -108, cleaning dust mechanism -109, supporting rack -1011, projection screen -1012, cloth beam -1013, the axis of rolling -1014, in
Mandrel -1031, braced frame -1032, rack -1033, gear -1034, holder -1041, idler wheel -1042, electric box -1043,
Pull strap -1044, first motor -1045, empty slot -1071, protection block -1072, lead screw -1073, driving motor -1074, installation
Plate -1075, screw rod bushing -1076, adjusting rod -1077, bearing block -1091, rotary shaft -1092, flabellum -1093, transmission belt -
1094, module is controlled in the second motor -1095,6-.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, Fig. 1~Fig. 5
The structure for schematically showing the Scenic spot introduction displaying device of embodiment of the present invention, with reference to specific embodiment party
Formula, the present invention is further explained.
As shown in Figures 1 to 5, a kind of self-adjustable mobile projection screen, including show mechanism 1, display board 2, consolidate
Determine frame 3, self-locking trundle 5, the displaying mechanism 1 and the section of display board 2 are rectangular configuration, and 2 rear end of the display board is fixed
Be fastened on displaying 1 front-end surface of mechanism and the two be integrated molding structure, the fixed frame 3 set there are two and level be welded in
Show that 1 lower end both sides of mechanism, the self-locking trundle 5 are set to 3 bottom of fixed frame, the displaying mechanism 1 is by automatic page turning mechanism
101, top plate 102, supporting mechanism 103, pull strap drawing mechanism 104, fixed pedestal 105, support column 106, elevating drive mechanism
107, controller 108, cleaning dust mechanism 109 form, and the support column 106 sets there are two and is respectively welded in fixed pedestal
105 bottoms both ends, the elevating drive mechanism 107 are respectively arranged on two 106 inside of support column and are matched with fixed pedestal 105
Flexible connection, 108 rear end fixing buckle of the controller are integrated chemical conversion type knot together in 105 front center of fixed pedestal and the two
Structure, the supporting mechanism 103 set there are two and are respectively welded in 105 upper end both sides of fixed pedestal, 102 transverse weld of the top plate
Connection is reinforced in two 103 tops of supporting mechanism and by screw, the automatic page turning mechanism 101 is fixed at 102 bottom of top plate
Hold simultaneously matched with supporting mechanism 103,109 bottom of cleaning dust mechanism be fixed on 105 upper center of fixed pedestal and with
Automatic page turning mechanism 101 matches, and there are two the pull strap drawing mechanism 104 is set, the pull strap drawing mechanism 104 is distinguished
Flexible connection is matched set on 102 bottom both ends of top plate and with supporting mechanism 103, during 105 lower surface of the fixed pedestal is equipped with
Module 6 is controlled, 105 upper surface of fixed pedestal is equipped with pressure sensor, and the pressure sensor is electrically connected with middle control module 6, institute
It states 105 lower surface of fixed pedestal and is equipped with sound identification module, sound identification module is electrically connected with middle control module 6.
The automatic page turning mechanism 101 is made of supporting rack 1011, projection screen 1012, cloth beam 1013, the axis of rolling 1014, institute
State supporting rack 1011 set there are two and level be welded in 102 bottom both ends of top plate, the cloth beam 1013 is fixedly embedded in two branch
1011 inside of support, the fixation of the projection screen 1012 are wound in 1013 outer surface of cloth beam and match activity with the axis of rolling 1014 even
It connects, 1014 transverse weld of the axis of rolling is on the inside of two supporting mechanisms 103 and the two matches flexible connection, support frame as described above
Right over pressure sensor.The supporting mechanism 103 is by central shaft 1031, braced frame 1032, rack 1033, gear
1034 compositions, 1032 top of braced frame is connect with top plate 102, bottom end and fixed pedestal 105 weld, the rack
1033 are set to inside braced frame 1032, and the central shaft 1031 is set to 1032 middle part of braced frame, and the axis of rolling 1014 is horizontal
To being welded in 1032 right side of braced frame and being connected with central shaft 1031, the fixation of the gear 1034 is nested in central shaft
1031 center outer surfaces are simultaneously meshed with rack 1033, and the pull strap drawing mechanism 104 is by holder 1041, idler wheel 1042, electricity
Dynamic case 1043, pull strap 1044, first motor 1045 form, and the first motor 1045 is circumscribed with first motor drive module,
The first motor drive module is electrically connected with middle control module 6, and the fixation of the holder 1041 is welded in 102 bottom left of top plate
And be fixedly connected by positioning pin, the fixation of the idler wheel 1042 is nested in 1041 outer faces of holder, the electric box 1043
Right side is fixed at 103 left side of supporting mechanism, and the first motor 1045 is fixed on the left of 105 upper end of fixed pedestal, described
First motor 1045 is flexibly connected by pull strap 1044 with idler wheel 1042, electric box 1043, the elevating drive mechanism 107 by
Empty slot 1071, protection block 1072, lead screw 1073, driving motor 1074, mounting plate 1075, screw rod bushing 1076,1077 groups of adjusting rod
At 1075 both ends horizontal of the mounting plate is extended to vertically to be welded in 106 inner bottom of support column, the driving motor 1074
It 1075 upper end of mounting plate and is fixedly connected by positioning pin, 1073 bottom of the lead screw is fixed and is welded in 1074 upper end of driving motor
Middle part and the two match flexible connection, and 1072 transverse weld of the protection block is in 1073 top of lead screw, the screw rod bushing 1076
Fixing sleeve is together in 1073 upper end outer surface of lead screw, and the empty slot 1071 is fixed at 105 bottom left of fixed pedestal and the two is
Integrated molding structure, the fixation of the adjusting rod 1077 be welded on the right side of 1076 upper end of screw rod bushing and through support column 106 with
Empty slot 1071 is in contact, and the driving motor 1074 is external with driving motor drive module, the driving motor drive module with
Middle control module 6 is electrically connected, and the cleaning dust mechanism 109 is by bearing block 1091, rotary shaft 1092, flabellum 1093, transmission belt
1094, the second motor 1095 forms, and 1091 transverse weld of the bearing block is in 105 upper center of fixed pedestal and passes through positioning pin
It is fixedly connected, the rotary shaft 1092 is equipped with two or more, and 1092 level of the rotary shaft is welded in 1091 upper end table of bearing block
Face, the flabellum 1093 are embedded in 1092 upper end face of rotary shaft and match flexible connection between the two, second electricity
1095 bottom of machine is fixed and is welded in 105 upper end of fixed pedestal and is fixedly connected by positioning pin, and the transmission belt 1094 is distinguished
It is movably connected on 1095 outer surface of rotary shaft 1092 and the second motor, the empty slot 1071 is fixed at 105 bottom of fixed pedestal
Left side and the two are integrated molding structure.
Concrete operating principle：Staff fixes projection screen 1012, will show that mechanism 1 moves by self-locking trundle 5
To destination, when in use, the control of controller 108 first motor 1045 works, in the axis of rolling 1011, rack 1033 and tooth
Under the cooperation of wheel 1034, projection screen 1012 is unfolded, when supporting rack touches pressure sensor, pressure sensor will
Signal transmits just to middle control module, and middle control module control first motor is stopped, when nobody close to when, startup first motor 11
It rotates backward, projection screen 1012 is accepted, is automatically shown, improve the protecting effect to projection screen 1012, pass through
Sound identification module, driving motor 1074, lead screw 1073, protection block 1072, screw rod bushing 1076, x adjusting rods 1077, empty slot 1071
Cooperation can according to use and show demand adjust height, make sight exhibition it is more comfortable, when sound identification module identifies phase
When the instruction "high" answered, driving motor 1074 makes fixed pedestal 105 highly increase, when sound identification module identifies corresponding finger
When enabling " low ", driving motor 1074 makes fixed pedestal 105 highly reduce, and when needing to clear up projection screen 1012, can lead to
It crosses under the cooperation of bearing block 1091, the second motor 1095, rotary shaft 1092 and flabellum 1093, when to product introduction, reaches
It has arrived to the effect that nearby dust is removed of projection screen 1012, further product has been protected, improved the quality of projection screen 1012,
The puzzlement of staff is reduced, in some embodiments, the length of protection block 1072 is more than the length of lead screw 1073, can limit
The shift position of fixed thread rod set 1076 prevents screw rod bushing 1076 from moving out the range of lead screw 1073, causes some unnecessary things
Therefore occur, in some embodiments, the inside of braced frame 1032 is installed with rack 1033, is engaged on rack 1033
Gear 1034, central shaft 1031 are fixedly connected through gear 1034 and with gear 1034, and gear 1034 and rack 1033 coordinate, side
Just to the lifting of projection screen 1012.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of self-adjustable mobile projection screen, which is characterized in that including displaying mechanism (1), display board (2), fix
Frame (3), self-locking trundle (5), the displaying mechanism (1) and the section of display board (2) are rectangular configuration, the display board (2)
Rear end fixing buckle is integrated molding structure together in displaying mechanism (1) front-end surface and the two, there are two the fixed frame (3) sets
And level is welded in display machine structure (1) lower end both sides, the self-locking trundle (5) is set to fixed frame (3) bottom, the displaying mechanism
(1) by automatic page turning mechanism (101), top plate (102), supporting mechanism (103), pull strap drawing mechanism (104), fixed pedestal
(105), support column (106), elevating drive mechanism (107), controller (108), cleaning dust mechanism (109) form, the branch
Dagger (106) sets there are two and is respectively welded in fixed pedestal (105) bottom both ends, and the elevating drive mechanism (107) is respectively
Flexible connection is matched set on two support columns (106) inside and with fixed pedestal (105), controller (108) rear end is solid
Surely it is integrated molding structure to be fastened on fixed pedestal (105) front center and the two, there are two the supporting mechanism (103) sets
And be respectively welded in fixed pedestal (105) upper end both sides, top plate (102) transverse weld is pushed up in two supporting mechanisms (103)
It holds and is reinforced by screw and connected, the automatic page turning mechanism (101) is fixed at top plate (102) bottom end and and supporting mechanism
(103) it matches, fixed pedestal (105) upper center and and automatic page turning are fixed in cleaning dust mechanism (109) bottom
Mechanism (101) matches, and there are two the pull strap drawing mechanism (104) sets, the pull strap drawing mechanism (104) sets respectively
Flexible connection is matched in top plate (102) bottom both ends and with supporting mechanism (103), fixed pedestal (105) lower surface is set
There are middle control module (6), fixed pedestal (105) upper surface to be equipped with pressure sensor, the pressure sensor and middle control module (6) electricity
Property connection, fixed pedestal (105) lower surface is equipped with sound identification module, and sound identification module and middle control module (6) are electrically
Connection.
2. the self-adjustable mobile projection screen of one kind according to claim 1, which is characterized in that the automatic page turning
Mechanism (101) is made of supporting rack (1011), projection screen (1012), cloth beam (1013), the axis of rolling (1014), support frame as described above
(1011) there are two setting and level is welded in top plate (102) bottom both ends, and the cloth beam (1013) is fixedly embedded in two supports
On the inside of frame (1011), projection screen (1012) fixation is wound in cloth beam (1013) outer surface and is matched with the axis of rolling (1014)
Flexible connection, the axis of rolling (1014) transverse weld is on the inside of two supporting mechanisms (103) and the two matches flexible connection,
Support frame as described above is set to right over pressure sensor.
3. the self-adjustable mobile projection screen of one kind according to claim 2, which is characterized in that the supporting mechanism
(103) it is made of central shaft (1031), braced frame (1032), rack (1033), gear (1034), the braced frame
(1032) top is connect with top plate (102), bottom end and fixed pedestal (105) weld, and the rack (1033) is set to braced frame
(1032) internal, the central shaft (1031) is set in the middle part of braced frame (1032), the axis of rolling (1014) transverse weld in
It is connected on the right side of braced frame (1032) and with central shaft (1031), gear (1034) fixation is nested in central shaft
(1031) it center outer surface and is meshed with rack (1033).
4. the self-adjustable mobile projection screen of one kind according to claim 1, which is characterized in that the pull strap is drawn
Mechanism (104) is stretched by holder (1041), idler wheel (1042), electric box (1043), pull strap (1044), first motor (1045) group
At the first motor (1045) is circumscribed with first motor drive module, the first motor drive module and middle control module (6)
It is electrically connected, holder (1041) fixation is welded in top plate (102) bottom left and is fixedly connected by positioning pin, the rolling
Wheel (1042) is fixed to be nested in holder (1041) outer faces, and supporting mechanism is fixed on the right side of the electric box (1043)
(103) left side, the first motor (1045) are fixed on the left of fixed pedestal (105) upper end, the first motor (1045)
It is flexibly connected with idler wheel (1042), electric box (1043) by pull strap (1044).
5. the self-adjustable mobile projection screen of one kind according to claim 1, which is characterized in that the lifting and driving
Mechanism (107) is by empty slot (1071), protection block (1072), lead screw (1073), driving motor (1074), mounting plate (1075), silk
Rod set (1076), adjusting rod (1077) composition, mounting plate (1075) both ends horizontal extend to and support column (106) inner bottom
End, the driving motor (1074) are vertically welded in mounting plate (1075) upper end and are fixedly connected by positioning pin, the lead screw
(1073) bottom fixation is welded in driving motor (1074) upper center and the two matches flexible connection, the protection block
(1072) transverse weld is in lead screw (1073) top, and screw rod bushing (1076) fixing sleeve is together in lead screw (1073) upper end appearance
Face, the empty slot (1071) is fixed at fixed pedestal (105) bottom left and the two is integrated molding structure, the adjusting
Bar (1077) is fixed to be welded on the right side of screw rod bushing (1076) upper end and is in contact through support column (106) with empty slot (1071),
The driving motor (1074) is external and driving motor drive module, the driving motor drive module are electric with middle control module (6)
Property connection.
6. the self-adjustable mobile projection screen of one kind according to claim 1, which is characterized in that the cleaning dust
Mechanism (109) is by bearing block (1091), rotary shaft (1092), flabellum (1093), transmission belt (1094), the second motor (1095) group
At bearing block (1091) transverse weld is in fixed pedestal (105) upper center and is fixedly connected by positioning pin, the rotation
Shaft (1092) is equipped with two or more, and rotary shaft (1092) level is welded in bearing block (1091) upper end face, the fan
Leaf (1093) is embedded in rotary shaft (1092) upper end face and matches flexible connection between the two, second motor
(1095) bottom is fixed and is welded in fixed pedestal (105) upper end and is fixedly connected by positioning pin, the transmission belt (1094)
It is movably connected in rotary shaft (1092) and the second motor (1095) outer surface.
7. the self-adjustable mobile projection screen of one kind according to claim 5, which is characterized in that the empty slot
(1071) it is integrated molding structure to be fixed at fixed pedestal (105) bottom left and the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779506.5A CN108803225A (en) | 2018-07-16 | 2018-07-16 | A kind of self-adjustable mobile projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779506.5A CN108803225A (en) | 2018-07-16 | 2018-07-16 | A kind of self-adjustable mobile projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108803225A true CN108803225A (en) | 2018-11-13 |
Family
ID=64076567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779506.5A Withdrawn CN108803225A (en) | 2018-07-16 | 2018-07-16 | A kind of self-adjustable mobile projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108803225A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833300A (en) * | 2020-12-31 | 2021-05-25 | 合肥合纵光电科技有限公司 | Intelligent liquid crystal display terminal for shopping context display |
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| CN107701872A (en) * | 2017-10-27 | 2018-02-16 | 郑艳峰 | A kind of teaching demonstration instrument |
| CN107906330A (en) * | 2017-12-18 | 2018-04-13 | 南京埃塔斯智能科技有限公司 | A kind of wide safety monitoring equipment of monitoring range for being easily installed |
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2018
- 2018-07-16 CN CN201810779506.5A patent/CN108803225A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206044160U (en) * | 2016-06-30 | 2017-03-29 | 怀化学院 | The Art Design product display device of self-action |
| CN107701872A (en) * | 2017-10-27 | 2018-02-16 | 郑艳峰 | A kind of teaching demonstration instrument |
| CN107906330A (en) * | 2017-12-18 | 2018-04-13 | 南京埃塔斯智能科技有限公司 | A kind of wide safety monitoring equipment of monitoring range for being easily installed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112833300A (en) * | 2020-12-31 | 2021-05-25 | 合肥合纵光电科技有限公司 | Intelligent liquid crystal display terminal for shopping context display |
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Application publication date: 20181113 |