CN208984943U - A kind of projection type computer displaying device - Google Patents
A kind of projection type computer displaying device Download PDFInfo
- Publication number
- CN208984943U CN208984943U CN201821914492.5U CN201821914492U CN208984943U CN 208984943 U CN208984943 U CN 208984943U CN 201821914492 U CN201821914492 U CN 201821914492U CN 208984943 U CN208984943 U CN 208984943U
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- China
- Prior art keywords
- gear
- face
- connecting rod
- fixed
- displaying device
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Abstract
The utility model provides a kind of projection type computer displaying device, including installing wallboard, winding up roller, fixed frame, projection screen, curtain pressing plate, card slot, rack gear, cylindricality cleaning brush, gear, connecting rod, link block, mounting rack and pulley, fixed frame is fixed on the upside of installation wallboard front end face, winding up roller is installed on the inside of fixed frame, winding up roller lower end surface is connected with projection screen, installation wallboard front end face offers card slot, rack gear is installed on the right side of card slot, rack gear front end face is equipped with gear, gear left side is connected with connecting rod, connecting rod upper surface is fixed with link block, gear right side is equipped with cylindricality cleaning brush, curtain pressing plate is provided on the downside of cylindricality cleaning brush, mounting rack is fixed on the upside of curtain pressing plate, pulley is installed on the inside of mounting rack, the design solves the problems, such as that original projection type computer displaying device using effect is bad, this Utility model is structurally reasonable, and convenient for combination installation, cleaning effect is good.
Description
Technical field
The utility model is a kind of projection type computer displaying device, belongs to computer equipment technical field.
Background technique
Projection refers to that the shape of object is projected a plane up with one group of light, referred to as " projects ".It is flat at this
The image obtained on face also referred to as " projects ".Projection can be divided into orthographic projection and oblique projection.Orthographic projection is the center line of the incident line
Perpendicular to the plane of projection, center of projection line is not orthogonal to the oblique projection that is known as of projection plane, and teaching and administrative staff is utilizing computer
It needs to use projection screen when being imparted knowledge to students and carries out projecture-aided teaching.
In the prior art, existing projection type computer displaying device projection screen in projection, which is easy to shake, leads to student
It is observed in observation unintelligible, influences teaching efficiency, while projection screen is exposed for a long time is easy accumulation dust in outer side surface,
Using effect is influenced, is badly in need of a kind of projection type computer displaying device now to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of projection type computer displaying device,
To solve the problems mentioned in the above background technology, the utility model is structurally reasonable, and convenient for combination installation, cleaning effect is good.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of projection calculates
Machine display device, including installation wallboard, winding up roller, fixed frame, cleaning fixed mechanism and projection screen, the installation wallboard front end
It is fixed with fixed frame on the upside of face, winding up roller is installed on the inside of the fixed frame, the winding up roller lower end surface is connected with projection screen, described
Be provided with cleaning fixed mechanism on the downside of winding up roller, the cleaning fixed mechanism include curtain pressing plate, card slot, rack gear, cylindricality cleaning brush,
Gear, connecting rod, link block, mounting rack and pulley, the installation wallboard front end face offer card slot, peace on the right side of the card slot
Equipped with rack gear, the rack gear front end face is equipped with gear, and the gear left side is connected with connecting rod, the connecting rod upper surface
It is fixed with link block, the gear right side is equipped with cylindricality cleaning brush, is provided with curtain pressing plate on the downside of the cylindricality cleaning brush,
It is fixed with mounting rack on the upside of the curtain pressing plate, pulley is installed on the inside of the mounting rack.
Further, the connecting rod rear end face is fixed with fixture block, and the fixture block matches with card slot.
Further, the connecting rod and gear junction are provided with bearing, the connecting rod and gear and are turned by bearing
Dynamic connection.
Further, curtain pressing back-end face is equipped with magnetic patch, and the installation wallboard front end face is equipped with magnetic patch, and
Two magnetic patch are anisotropic magnetic patch.
Further, the link block front end face offers aperture, and the pulley is provided with link block junction and connect
Rope.
Further, it is equipped with rotation axis, the mounting rack and pulley on the inside of the mounting rack and is rotated by rotation axis and connect
It connects.
The utility model has the beneficial effects that a kind of projection type computer displaying device of the utility model, because this is practical new
Type is added to curtain pressing plate, card slot, rack gear, cylindricality cleaning brush, gear, connecting rod, link block, mounting rack and pulley, this sets
Meter can projection screen be fixed and clean, solve that original projection type computer displaying device using effect is bad to ask
Topic, improves the practicability of the utility model.
Because connecting rod rear end face is fixed with fixture block, fixture block matches with card slot, which slide fixture block in card slot
It is stuck in fixture block inside card slot simultaneously, is allowed to be not easy to fall, because connecting rod and gear junction are provided with bearing, connecting rod and tooth
Wheel is rotatablely connected by bearing, which rotate gear connecting rod in rotation not, because curtain pressing back-end face is equipped with magnetic
Block, installation wallboard front end face is equipped with magnetic patch, and two magnetic patch are anisotropic magnetic patch, which makes connection be convenient for fixed and loosen,
Because link block front end face offers aperture, pulley and link block junction are provided with connecting rope, and the design is by pulling connecting rope
It drives connecting rod to move up, is rotatablely connected because being equipped with rotation axis, mounting rack and pulley on the inside of mounting rack by rotation axis, it should
Design rotates pulley along rotation axis, improves the reasonability of junction, and the utility model is structurally reasonable, convenient for combination peace
Dress, cleaning effect are good.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of projection type computer displaying device of the utility model；
Fig. 2 is the structural schematic diagram that fixed mechanism is cleaned in a kind of projection type computer displaying device of the utility model；
Fig. 3 is the enlarged drawing of A in a kind of projection type computer displaying device of the utility model；
Fig. 4 is the enlarged drawing of B in a kind of projection type computer displaying device of the utility model；
Fig. 5 is the left view that wallboard and connecting rod junction are installed in a kind of projection type computer displaying device of the utility model
Sectional view；
In figure: 1- installs wallboard, 2- winding up roller, 3- fixed frame, 4- and cleans fixed mechanism, 5- projection screen, 41- curtain pressure
Plate, 42- card slot, 43- rack gear, 44- cylindricality cleaning brush, 45- gear, 46- connecting rod, 47- link block, 48- mounting rack, 49- are sliding
Wheel, 461- fixture block.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of projection type computer displaying device, packet
Installation wallboard 1, winding up roller 2, fixed frame 3, cleaning fixed mechanism 4 and projection screen 5 are included, is fixed on the upside of installation 1 front end face of wallboard
There is fixed frame 3, winding up roller 2 is installed on the inside of fixed frame 3,2 lower end surface of winding up roller is connected with projection screen 5, is provided on the downside of winding up roller 2 clear
Clean fixed mechanism 4.
Cleaning fixed mechanism 4 includes curtain pressing plate 41, card slot 42, rack gear 43, cylindricality cleaning brush 44, gear 45, connecting rod
46, link block 47, mounting rack 48 and pulley 49, installation 1 front end face of wallboard offer card slot 42, install on the right side of card slot 42 with teeth
Item 43,43 front end face of rack gear are equipped with gear 45, and 45 left side of gear is connected with connecting rod 46, and 46 upper surface of connecting rod is fixed with
Link block 47,45 right side of gear are equipped with cylindricality cleaning brush 44, curtain pressing plate 41, curtain are provided on the downside of cylindricality cleaning brush 44
It is fixed with mounting rack 48 on the upside of pressing plate 41, pulley 49 is installed on the inside of mounting rack 48, which solves original projection and calculate
The bad problem of machine display device using effect.
46 rear end face of connecting rod is fixed with fixture block 461, and fixture block 461 matches with card slot 42, which makes fixture block 461 in card
Fixture block 461 is stuck in inside card slot 42 while sliding in slot 42, is allowed to be not easy to fall, connecting rod 46 is set with 45 junction of gear
It is equipped with bearing, connecting rod 46 and gear 45 to be rotatablely connected by bearing, which turn the connecting rod 46 in rotation of gear 45 not
Dynamic, 41 rear end face of curtain pressing plate is equipped with magnetic patch, and installation 1 front end face of wallboard is equipped with magnetic patch, and two magnetic patch are anisotropic magnetic patch,
The design makes connection offer aperture convenient for fixed and loosening, 47 front end face of link block, and pulley 49 is set with 47 junction of link block
It is equipped with connecting rope, which drives connecting rod 46 to move up by pulling connecting rope, it is equipped with rotation axis on the inside of mounting rack 48,
Mounting rack 48 and pulley 49 are rotatablely connected by rotation axis, which rotate pulley 49 along rotation axis, improve junction
Reasonability.
One embodiment as the utility model: faculty is when carrying out aided education using projection screen 5, first
Projection screen 5 is unfolded by winding up roller 2, then 41 rear end face of curtain pressing plate and installation 1 front end face of wallboard are fitted, to projection
Curtain 5 is fixed, and then pulls connecting rope, and connecting rope is moved down in 48 inside of mounting rack along pulley 49, link block 47
The connecting rope of junction is moved up along pulley 49, and connecting rope, which moves up, pulls link block 47 to move up, link block 47
It moves up and connecting rod 46 is driven to move up in card slot 42 along fixture block 461, connecting rod 46 moves upwardly through bearing band
Moving gear 45 is rotated up along rack gear 43, and gear 45 drives cylindricality cleaning brush 44 to rotate when being rotated up along rack gear 43,
The dust brush on 5 surface of projection screen is fallen when cylindricality cleaning brush 44 is rotated up, is realized to the fixed clean mesh of projection screen 5
, improve the practicability of the utility model.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
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 embodiments being understood that.
Claims (6)
1. a kind of projection type computer displaying device, including installation wallboard, winding up roller, fixed frame, cleaning fixed mechanism and projection
Curtain, it is characterised in that: it is fixed with fixed frame on the upside of the installation wallboard front end face, winding up roller is installed on the inside of the fixed frame,
The winding up roller lower end surface is connected with projection screen, is provided with cleaning fixed mechanism on the downside of the winding up roller；
The cleaning fixed mechanism includes curtain pressing plate, card slot, rack gear, cylindricality cleaning brush, gear, connecting rod, link block, installation
Frame and pulley, the installation wallboard front end face offer card slot, are equipped with rack gear, the rack gear front end face on the right side of the card slot
It is equipped with gear, the gear left side is connected with connecting rod, and the connecting rod upper surface is fixed with link block, and the gear is right
End face is equipped with cylindricality cleaning brush, and curtain pressing plate is provided on the downside of the cylindricality cleaning brush, is fixed on the upside of the curtain pressing plate
Mounting rack, the mounting rack inside are equipped with pulley.
2. a kind of projection type computer displaying device according to claim 1, it is characterised in that: the connecting rod rear end face
It is fixed with fixture block, the fixture block matches with card slot.
3. a kind of projection type computer displaying device according to claim 1, it is characterised in that: the connecting rod and gear
Junction is provided with bearing, the connecting rod and gear and is rotatablely connected by bearing.
4. a kind of projection type computer displaying device according to claim 1, it is characterised in that: the curtain pressing back-end
Face is equipped with magnetic patch, and the installation wallboard front end face is equipped with magnetic patch, and two magnetic patch are anisotropic magnetic patch.
5. a kind of projection type computer displaying device according to claim 1, it is characterised in that: the link block front end face
Aperture is offered, the pulley and link block junction are provided with connecting rope.
6. a kind of projection type computer displaying device according to claim 1, it is characterised in that: dress on the inside of the mounting rack
Equipped with rotation axis, the mounting rack and pulley are rotatablely connected by rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914492.5U CN208984943U (en) | 2018-11-16 | 2018-11-16 | A kind of projection type computer displaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914492.5U CN208984943U (en) | 2018-11-16 | 2018-11-16 | A kind of projection type computer displaying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984943U true CN208984943U (en) | 2019-06-14 |
Family
ID=66791285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914492.5U Expired - Fee Related CN208984943U (en) | 2018-11-16 | 2018-11-16 | A kind of projection type computer displaying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208984943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327782A (en) * | 2020-03-04 | 2020-06-23 | 吉林师范大学 | Computer wireless figure scanning input device |
-
2018
- 2018-11-16 CN CN201821914492.5U patent/CN208984943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327782A (en) * | 2020-03-04 | 2020-06-23 | 吉林师范大学 | Computer wireless figure scanning input device |
| CN111327782B (en) * | 2020-03-04 | 2021-12-24 | 吉林师范大学 | Computer wireless figure scanning input device |
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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: 20190614 Termination date: 20201116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |