CN208954367U - Multimedia teaching projection curtain lifting device - Google Patents
Multimedia teaching projection curtain lifting device Download PDFInfo
- Publication number
- CN208954367U CN208954367U CN201820951110.XU CN201820951110U CN208954367U CN 208954367 U CN208954367 U CN 208954367U CN 201820951110 U CN201820951110 U CN 201820951110U CN 208954367 U CN208954367 U CN 208954367U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- multimedia teaching
- lifting device
- projection curtain
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of multimedia teaching projection curtain lifting devices, lifting assembly includes fixed plate, fixed plate is fixedly connected with support plate, two upper lateral part of support plate is equipped with stiffening plate, spool is equipped between the stiffening plate of two sides, micromotor is fixed on the outside of stiffening plate, stiffening plate top is equipped with erecting bed, guide groove, which is internally recessed, to be arranged inside erecting bed, guiding axis is equipped in guide groove, pilot hole is equipped in guiding axis, one end of traction rope is fixed on spool, and the other end of traction rope passes through pilot hole and finally connects with elevating lever；The side of fixed link is equipped with clamping device, and clamping device includes sleeve, and the side of sleeve is equipped with support plate, and support plate top is equipped with intermediate plate, and intermediate plate top is connected with fixed plate, and one end of the second check lock lever passes through fixed plate and connects with adjustment plate.The utility model fixed form prevents to wind, structure is simple, and easy to use, practicability is stronger it can be selected that be oriented to by guiding axis to traction rope.
Description
Technical field
The utility model relates to teaching aid technical field, especially a kind of multimedia teaching projection is gone up and down with curtain and is filled
It sets.
Background technique
Educational projector is also known as micro projector, is mainly decoded by 3M LCOS RGB tricolor projection's ray machine and 720P piece
The huge projector's exquisiteness of tradition, portability, microminiaturization, entertainment orientation, functionization are improved the learning interest of student by technology,
More convenient student's study, teacher, which teaches, only needs data to be stored in projector that student instruction can be showed, and eliminates
Textbook and trouble with pen, chalk handwriting, improve efficiency of teaching.Projector is widely used in Chinese language, mathematics etc. at present
The teaching of multiple subjects and projector it is matching used be projection screen, projection screen at present, mounting means is single, Zhi Nenggu
It is scheduled on wall or on bracket, when being fixed on bracket, since student is relatively active more active, inevitably collides, separately
Outer carrying is also very inconvenient；In common projection screen use process, traction rope is easy to happen winding, causes to be unfolded and store very
Trouble；In addition, it has not been convenient to which curtain is swept in replacement, since outdoor is without fixtures such as walls, because curtain inconvenience is in room
Outer use.
Utility model content
It is gone up and down in view of the above-mentioned problems of the prior art, the utility model provides a kind of multimedia teaching projection with curtain
Device can be fixed on the ground by firm banking, and the positions such as desktop, fixed form can also be clamped in by clamping device
It can be selected that avoiding colliding, it is oriented to by guiding axis to traction rope, prevents to wind, structure is simple, user
Just, it is convenient for changing or sweeps curtain, convenient in outdoor application, practicability is stronger.
To achieve the goals above, the technical solution adopted in the utility model is: curtain is used in a kind of multimedia teaching projection
Lifting device, including firm banking, firm banking is interior to be equipped with fixed block, and firm banking top is removably connected with fixed link, Gu
Fixed pole is connected by locking knob with telescopic rod, and telescopic rod top and mounting plate vertically connect, and the both ends of mounting plate are symmetrical arranged
There is lifting assembly, lifting assembly includes fixed plate, and fixed plate is fixedly connected with support plate, and two upper lateral part of support plate, which is equipped with, to be reinforced
Plate is equipped with spool between the stiffening plate of two sides, and micromotor is fixed on the outside of stiffening plate, and micromotor is able to drive spool rotation,
Stiffening plate top is equipped with erecting bed, and guide groove, which is internally recessed, to be arranged inside erecting bed, and guiding axis, guiding are equipped in guide groove
Pilot hole is equipped in axis, one end of traction rope is fixed on spool, and the other end of traction rope passes through that pilot hole is final and elevating lever
Connection, elevating lever is for fixing curtain；The side of the fixed link is equipped with clamping device, and the clamping device includes sleeve, set
The side of cylinder is equipped with main clamping plate, and main clamping plate top is equipped with intermediate plate, and intermediate plate top is connected with auxiliary clamping plate, check lock lever
One end passes through auxiliary clamping plate and connects with adjustment plate, and adjustment plate two sides are equipped with L shape component, and adjustment plate being capable of edge by L shape component
Intermediate plate move up and down.
Preferably, the fixed block is made using metal material.
Any of the above-described scheme is preferably, and the firm banking is tapered, and the bore of firm banking gradually increases from top to bottom
Greatly.
Any of the above-described scheme is preferably, and the support plate is vertically welded in the side of fixed plate.
Any of the above-described scheme is preferably, and link slot is equipped in the fixed block, and fixed link passes through link slot and fixed block
It is threadedly coupled, bush whorl is connected to fixed link middle and lower part.
Any of the above-described scheme is preferably, stable connection bar between the fixed plate and support plate.
Any of the above-described scheme is preferably, and the fixed plate is bolted setting on a mounting board.
Any of the above-described scheme is preferably, and the firm banking lower part is equipped with shifting roller.
The beneficial effects of the utility model are: the utility model provides a kind of multimedia teaching projection curtain lifting dress
It sets, fixed block is equipped in firm banking, firm banking top is removably connected with fixed link, and fixed link is by locking knob and stretches
The connection of contracting bar, telescopic rod top and mounting plate vertically connect, and the both ends of mounting plate are symmetrically arranged with lifting assembly, lifting assembly packet
Fixed plate is included, fixed plate is fixedly connected with support plate, and two upper lateral part of support plate is equipped with stiffening plate, is equipped with line between the stiffening plate of two sides
Axis, micromotor are fixed on the outside of stiffening plate, and micromotor is able to drive spool rotation, and stiffening plate top is equipped with erecting bed, leads
Internally it is recessed to slot and is arranged inside erecting bed, guiding axis is equipped in guide groove, is equipped with pilot hole in guiding axis, traction rope
One end is fixed on spool, and the other end of traction rope passes through pilot hole and finally connects with elevating lever, and elevating lever is for fixing curtain；
The side of the fixed link is equipped with clamping device, and the clamping device includes sleeve, and the side of sleeve is equipped with support plate, support plate
Top is equipped with intermediate plate, and intermediate plate top is connected with fixed plate, and one end of the second check lock lever passes through fixed plate and connects with adjustment plate
It connects, adjustment plate two sides are equipped with L shape component, and adjustment plate can be moved up and down by L shape component along intermediate plate.The utility model energy
It is enough fixed on the ground by firm banking, the positions such as desktop can also be clamped in by clamping device, fixed form can be selected
It selects, avoids colliding, be oriented to by guiding axis to traction rope, prevent to wind, structure is simple, easy to use, side
Just in outdoor application, practicability is stronger.
Detailed description of the invention
Fig. 1 is that the overall structure of one preferred embodiment of multimedia teaching projection curtain lifting device of the utility model is shown
It is intended to；
Fig. 2 is a partial structural diagram of Fig. 1；
Fig. 3 is a partial structure sectional view of Fig. 2；
Fig. 4 is another partial structural diagram of Fig. 1；
Fig. 5 is another partial structural diagram of Fig. 1；
Fig. 6 is a partial structurtes enlarged diagram of Fig. 5；
Fig. 7 is a partial structurtes enlarged diagram of Fig. 6.
Detailed description of the invention: 1, firm banking, 2, fixed block, 3, fixed link, 4, locking knob, 5, telescopic rod, 6, mounting plate,
7, lifting assembly, 8, fixed plate, 9, support plate, 10, stiffening plate, 11, spool, 12, micromotor, 13, erecting bed, 14, guiding
Slot, 15, guiding axis, 16, pilot hole, 17, traction rope, 18, elevating lever, 19, sleeve, 20, main clamping plate, 21, intermediate plate, 22,
Auxiliary clamping plate, 23, check lock lever, 24, adjustment plate, 25, L shape component, 26, firm bar, 27, shifting roller.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
To achieve the goals above, the technical solution adopted in the utility model is:
Embodiment 1
As shown in Fig. 1-Fig. 7, a kind of multimedia teaching projection curtain lifting device, including firm banking 1, firm banking
Fixed block 2 is equipped in 1, fixed block 2 is made using metal material, and firm banking 1 is tapered, the bore of firm banking 1 from
Top to bottm is gradually increased, thus increase load-bearing capacity, integrally-built stability when guaranteeing fixed by firm banking 1.It is fixed
1 lower part of pedestal is equipped with shifting roller 27, thus when convenient fixed by firm banking 1, integrally-built movement.
1 top of firm banking is removably connected with fixed link 3, specific to be arranged by being equipped with link slot in fixed block 2, Gu
Fixed pole 3 is threadedly coupled by link slot and fixed block 2, to guarantee the mode that can select to install according to actual needs.
Fixed link 3 is connected by locking knob 4 and telescopic rod 5, and 5 top of telescopic rod and mounting plate 6 vertically connect, mounting plate
6 both ends are symmetrically arranged with lifting assembly 7.Lifting assembly 7 includes fixed plate 8, and fixed plate 8 is bolted setting and is installing
On plate 6.Support plate 9 is vertically welded in the side of fixed plate 8.Stable connection bar 26 between fixed plate 8 and support plate 9 guarantees branch
The structural stability of fagging 9.
9 liang of upper lateral parts of support plate are equipped with stiffening plate 10, spool 11 are equipped between two sides stiffening plate 10, spool 11 is for winding
Traction rope.Micromotor 12 is fixed on 10 outside of stiffening plate, and micromotor 12 can drive spool 11 by the rotary shaft of side
Rotation, to realize the draw-in and draw-off function of traction rope.10 top of stiffening plate is equipped with erecting bed 13, and guide groove 14 is internally recessed setting
Inside erecting bed 13, guiding axis 15 is equipped in guide groove 14, the height of guiding axis 15 is higher than spool 11, is equipped in guiding axis 15
Pilot hole 16, pilot hole 16 are the fixing groove of the bore recess setting around guiding axis 15.
One end of traction rope 17 is fixed on spool 11, and the other end of traction rope 17 passes through that pilot hole 16 is final and elevating lever
18 connections, elevating lever 18 is for fixing curtain, thus situations such as realizing guiding role, preventing traction rope from winding, in addition, side
Just replace or sweep curtain.
The side of fixed link 3 is equipped with clamping device, and clamping device is fixed on table for realizing the utility model lifting device
The planar structures top such as face.Clamping device includes sleeve 19, and sleeve 19 is threaded in 3 middle and lower part of fixed link.The one of sleeve 19
Side is equipped with main clamping plate 20, and main 20 top of clamping plate is equipped with intermediate plate 21, and 21 top of intermediate plate and auxiliary clamping plate 22 connect, locking
One end of bar 23 passes through auxiliary clamping plate 22 and connects with adjustment plate 24, and 24 two sides of adjustment plate are equipped with L shape component 25, L shape component 25
As the term suggests it is L-shaped, the position-limiting action of adjustment plate 24 is realized by catching on intermediate plate 21, adjustment plate 24 passes through 25 energy of L shape component
It is enough to move up and down along intermediate plate 21, to realize being fixedly clamped to horizontal structures such as the desktops of different-thickness.Such as, work as needs
It is that can disassemble fixed link 3 from firm banking 1 by desktop fixation, rotates check lock lever 23, adjustment plate 24 passes through L
Shape component 25 can move down along intermediate plate 21, and the spacing between adjustment plate 24 and main clamping plate 20 is gradually reduced, and realize
It is fixedly clamped, it is convenient in outdoor application.
The utility model can be fixed on the ground by firm banking, and desktop etc. can also be clamped in by clamping device
Position, fixed form are oriented to traction rope by guiding axis, prevent to wind it can be selected that avoid colliding, and are tied
Structure is simple, easy to use, and convenient in outdoor application, practicability is stronger.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (8)
1. a kind of multimedia teaching projection curtain lifting device, which is characterized in that including firm banking (1), firm banking (1)
Interior to be equipped with fixed block (2), firm banking (1) top is removably connected with fixed link (3), and fixed link (3) passes through locking knob (4)
It is connected with telescopic rod (5), telescopic rod (5) top and mounting plate (6) vertically connect, and the both ends of mounting plate (6) are symmetrically arranged with liter
It comes down to a lower group part (7), lifting assembly (7) includes fixed plate (8), and fixed plate (8) is fixedly connected with support plate (9), support plate (9) two sides
Top is equipped with stiffening plate (10), is equipped with spool (11) between two sides stiffening plate (10), and micromotor (12) is fixed on stiffening plate
(10) outside, micromotor (12) are able to drive spool (11) rotation, and stiffening plate (10) top is equipped with erecting bed (13), guide groove
(14) internally recess setting is internal in erecting bed (13), is equipped with guiding axis (15) in guide groove (14), sets in guiding axis (15)
Have pilot hole (16), one end of traction rope (17) is fixed on spool (11), and the other end of traction rope (17) passes through pilot hole
(16) final and elevating lever (18) connection, elevating lever (18) is for fixing curtain；The side of the fixed link (3), which is equipped with, clamps dress
It sets, the clamping device includes sleeve (19), and the side of sleeve (19) is equipped with main clamping plate (20), and main clamping plate (20) top is set
Have intermediate plate (21), intermediate plate (21) top and auxiliary clamping plate (22) connection, one end of check lock lever (23) passes through auxiliary clamping plate
(22) and with adjustment plate (24) it connects, adjustment plate (24) two sides are equipped with L shape component (25), and adjustment plate (24) passes through L shape component
(25) it can move up and down along intermediate plate (21).
2. a kind of multimedia teaching projection curtain lifting device according to claim 1, which is characterized in that the fixation
Block (2) is made using metal material.
3. a kind of multimedia teaching projection curtain lifting device according to claim 1, which is characterized in that the fixation
Pedestal (1) is tapered, and the bore of firm banking (1) is gradually increased from top to bottom.
4. a kind of multimedia teaching projection curtain lifting device according to claim 1, which is characterized in that the support
Plate (9) is vertically welded in the side of fixed plate (8).
5. a kind of multimedia teaching projection curtain lifting device according to claim 2, which is characterized in that the fixation
Link slot is equipped in block (2), fixed link (3) is threadedly coupled by link slot and fixed block (2), and sleeve (19) is threaded in solid
Fixed pole (3) middle and lower part.
6. a kind of multimedia teaching projection curtain lifting device according to claim 1, which is characterized in that the fixation
Stable connection bar (26) between plate (8) and support plate (9).
7. a kind of multimedia teaching projection curtain lifting device according to claim 6, which is characterized in that the fixation
Plate (8), which is bolted, to be arranged on mounting plate (6).
8. a kind of multimedia teaching projection curtain lifting device according to claim 3, which is characterized in that the fixation
Pedestal (1) lower part is equipped with shifting roller (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951110.XU CN208954367U (en) | 2018-06-20 | 2018-06-20 | Multimedia teaching projection curtain lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951110.XU CN208954367U (en) | 2018-06-20 | 2018-06-20 | Multimedia teaching projection curtain lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954367U true CN208954367U (en) | 2019-06-07 |
Family
ID=66731250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820951110.XU Expired - Fee Related CN208954367U (en) | 2018-06-20 | 2018-06-20 | Multimedia teaching projection curtain lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954367U (en) |
-
2018
- 2018-06-20 CN CN201820951110.XU patent/CN208954367U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20200620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |