CN110133955A - A kind of projection device applied in telecommunications field - Google Patents
A kind of projection device applied in telecommunications field Download PDFInfo
- Publication number
- CN110133955A CN110133955A CN201910395667.9A CN201910395667A CN110133955A CN 110133955 A CN110133955 A CN 110133955A CN 201910395667 A CN201910395667 A CN 201910395667A CN 110133955 A CN110133955 A CN 110133955A
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- China
- Prior art keywords
- curtain
- fixedly connected
- link blocks
- projection
- shell
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Classifications
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- 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
- G03B21/14—Details
-
- 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)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses a kind of projection devices applied in telecommunications field, including projector mechanism and flexible projection cloth mechanism, projector mechanism includes No.1 shell, projector main body and projection head, projector main body is fixed in No.1 shell by several screws, projection head is connected on the image output end of projector main body, flexible projection cloth mechanism includes two extra shells, No.1 link block, ring gear, position capel, spiral spring plate, No.1 connection gear, curtain wind-up roll, curtain, the soft item in side, top platen, barn door, connecting rod, receive roller, chain bar, welded plate, bezel, No. two connection gears, pawl elastic slice wheel, No.1 connecting shaft, press handle, No. two link blocks, reset spring, rotating handle, No. three connection gears, No. three link blocks, No. two connecting shafts and No. four link blocks, structure of the invention is novel, it is easy to use, it is one The novel and practical projection device applied in telecommunications field of kind.
Description
Technical field:
The invention belongs to projection device technical field, in particular to a kind of projection device applied in telecommunications field.
Background technique:
In the prior art, the most figure of projection device is all bigger, bad signal perspective plane and tune when carrying out telecommunications
Whole projection angle, thus will lead to projected image it is excessive cause picture do not know or projection angle not just, it is logical to affect electronics
The quality of news, and not readily portable use, so the present invention provides a kind of apply and comes in the projection device in telecommunications field
It solves the above problems.
Summary of the invention:
The object of the invention is that a kind of projection device applied in telecommunications field is provided to solve the above-mentioned problems,
Solves existing disadvantage.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of projection device applied in telecommunications field, including projector mechanism and flexible projection cloth mechanism, the projector
Structure includes No.1 shell, projector main body and projection head, and the projector main body is fixed in No.1 shell by several screws,
The projection head is connected on the image output end of projector main body, and the flexible projection cloth mechanism includes two extra shells, No.1
Link block, ring gear, positioning capel, spiral spring plate, No.1 connection gear, curtain wind-up roll, curtain, the soft item in side, top platen,
Barn door, connecting rod receive roller, chain bar, welded plate, bezel, No. two connection gears, pawl elastic slice wheel, No.1 connecting shaft, pressing
Handle, No. two link blocks, reset spring, rotating handle, No. three connection gears, No. three link blocks, No. two connecting shafts and No. four link blocks, institute
It states and is connected between two extra shells and No.1 shell by several screws, the bezel screw is fixed on No.1 shell and two extra shells
Upper panel on, the projecting direction of the projection head is towards the curtain after expansion, the bottom of the No.1 shell and two extra shells
Portion is respectively connected with skidproof bottom pad.
Preferably, No.1 link block is fixedly connected to inside the both ends of the two extras shell, the No.1 link block
It is inside fitted into ring with teeth, positioning capel is welded on the one side of the ring gear, the positioning capel is entrenched in No.1 link block,
The inside of the ring gear is fixedly connected with the outer end of spiral spring plate, and the inner end of the spiral spring plate is connect by rectangular bolt with No.1
It is fixedly connected between block, engagement is connected with No.1 connection gear on the outside of the ring gear, and two No.1 connection gears are remote
One end from No.1 link block passes through No.1 link block and is separately fixed on the both ends of curtain wind-up roll, the curtain wind-up roll with
It is fixedly connected between one end of curtain, the two sides of the curtain are connected with the soft item in side, and the soft item in side and curtain are received
It is orthogonal between winding up roller, and one end of the soft item in the side is fixed on curtain wind-up roll, the soft item of the curtain and side is remote
One end from curtain wind-up roll passes through top platen and is fixed on the downside panel of barn door, and the No.1 connection gear is separate
One end of curtain wind-up roll is connected with receipts roller by connecting rod, described to receive one end that chain bar is fixedly connected on roller, the chain
Shape bar is fixed on barn door far from the one end for receiving roller by welded plate, and No. two connection gears are fixedly connected on the rotating handle,
No. two connection gear upper extreme points are connected with pawl elastic slice wheel, and the pawl elastic slice wheel is fixed in No.1 connecting shaft, described
No.1 connecting shaft passes through projector mechanism far from one end of pawl elastic slice wheel and is connected with press handle, and the pawl elastic slice wheel is arranged two
In number link block, it is rotatablely connected between the press handle and No. two link blocks, side of No. two link blocks far from chain bar
On be fixedly connected with reset spring, it is fixed between the reset spring one end and No.1 connecting shaft far from No. two link blocks to connect
It connects, engagement is connected with No. three connection gears, two No. three connection gears difference on the lower extreme point of No. two connection gears
It is fixed on the both ends of No. two connecting shafts, and No. three connection gears are arranged in No. three link blocks, No. two connecting shafts
There are two No. four link blocks for upper rotation connection.
Preferably, the chain bar includes several connectors and an elastic drag rope, set on one end of the connector
There is bevel angle, the connector is equipped with the cone tank chimeric with bevel angle far from one end of bevel angle, and the connector is close
One end corner of bevel angle is connected with coupling bar, and upper and lower perforative cord hole is equipped in the connector, and the cord hole is serially connected in
On elastic drag rope, be fixedly connected between one end and welded plate of the elastic drag rope, the elastic drag rope far from welded plate one
End, which is fixed on, receives on roller.
Preferably, the chain bar is fixedly connected between the connector and welded plate of welded plate one end.
Preferably, the chain bar is fixedly connected between the connector and receipts roller of receipts roller one end.
Preferably, the receipts roller, which passes through projector mechanism far from one end of chain bar, is connected with rotating handle.
Preferably, being connected between each connector by coupling bar first place.
Preferably, two No.1 link blocks are fixedly connected by No. four link blocks with the inner wall of projector mechanism.
Beneficial effects of the present invention:
First with barn door by the curtain pull-up of flexible projection cloth mechanism, telecommunications projection then can be carried out, herein mistake
Cheng Zhong, it is close to the direction opposite with coupling bar under the pulling of elastic drag rope between the connector of chain bar, it is hindered with this
The only bending of chain bar, to realize the effect of support, and mutually perpendicular design matching area between barn door and curtain
When biggish barn door is incident upon image on curtain, influence of the external light source to image is reduced, it is ensured that the quality of image,
And the spiral spring plate that the present invention is arranged can provide the elastic force of convolution for ring gear, cooperate transportable pawl elastic slice wheel to two
The limit of number connection gear is being wound so that curtain of the invention can complete the operation of automatic winding during winding
After the completion, user, which unclamps press handle pressing No.1 connecting shaft, resets pawl elastic slice wheel, and the design of rotating handle is then to assist
User winds curtain, the design so that the present invention can be more bonded between all parts after the completion of winding,
Structure of the invention is novel, easy to use, is a kind of novel and practical projection device applied in telecommunications field.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is projector mechanism structural schematic diagram of the invention；
Fig. 3 is flexible projection cloth mechanism structure schematic diagram of the invention；
Fig. 4 is the distressed structure schematic diagram of flexible projection cloth mechanism of the invention；
Fig. 5 is enlarged structure schematic diagram at A of the invention；
Fig. 6 is chain rod structure schematic diagram of the invention；
Fig. 7 is connecting-piece structure schematic diagram of the invention；
Fig. 8 is positioning capel structural schematic diagram of the invention；
Fig. 9 is pawl elastic slice wheel construction schematic diagram of the invention；
Figure 10 is distressed structure schematic diagram of the invention.
In figure: 1, projector mechanism；2, No.1 shell；3, projector main body；4, projection head；5, flexible projection cloth mechanism；6,
Two extra shells；7, No.1 link block；8, ring gear；9, capel is positioned；10, spiral spring plate；11, No.1 connection gear；12, curtain is received
Winding up roller；13, curtain；14, the soft item in side；15, top platen；16, barn door；17, connecting rod；18, roller is received；19, chain bar；
20, welded plate；21, bezel；22, No. two connection gears；23, pawl elastic slice wheel；24, No.1 connecting shaft；25, press handle；26, two
Number link block；27, reset spring；28, rotating handle；29, No. three connection gears；30, No. three link blocks；31, No. two connecting shafts；32,
No. four link blocks；33, skidproof bottom pad；34, connector；35, bevel angle；36, cone tank；37, coupling bar；38, cord hole；39,
Elastic drag rope.
Specific embodiment:
As Figure 1-10 shows, present embodiment uses a kind of following technical scheme: projection applied in telecommunications field
Equipment, including projector mechanism 1 and flexible projection cloth mechanism 5, the projector mechanism 1 include No.1 shell 2,3 and of projector main body
Projection head 4, the projector main body 3 are fixed in No.1 shell 2 by several screws, and the projection head 4 is connected to projector
On the image output end of ontology 3, the flexible projection cloth mechanism 5 is embedding including two extra shells 6, No.1 link block 7, ring gear 8, positioning
Ring 9, spiral spring plate 10, No.1 connection gear 11, curtain wind-up roll 12, curtain 13, the soft item 14 in side, top platen 15, shading
Plate 16, receives roller 18, chain bar 19, welded plate 20,21, No. two connection gears 22 of bezel, pawl elastic slice wheel 23, one at connecting rod 17
Number connecting shaft 24,25, No. two link blocks 26 of press handle, reset spring 27, the link block of connection gear 29, three of rotating handle 28, three
30, No. two connecting shafts 31 and No. four link blocks 32 are connected between the two extras shell 6 and No.1 shell 2 by several screws, institute
It states 21 screw of bezel to be fixed in the upper panel of No.1 shell 2 and two extra shells 6, the projecting direction direction of the projection head 4
The bottom of curtain 13 after expansion, the No.1 shell 2 and two extra shells 6 is respectively connected with skidproof bottom pad 33.
It is fixedly connected to No.1 link block 7 inside the both ends of the two extras shell 6, is fitted into the No.1 link block 7
There is ring gear 8, positioning capel 9 is welded on the one side of the ring gear 8, the positioning capel 9 is entrenched in No.1 link block 7,
The inside of the ring gear 8 is fixedly connected with the outer end of spiral spring plate 10, and the inner end of the spiral spring plate 10 passes through rectangular bolt and one
It is fixedly connected between number link block 7, engagement is connected with No.1 connection gear 11, two No.1s on the outside of the ring gear 8
Connection gear 11 passes through No.1 link block 7 far from one end of No.1 link block 7 and is separately fixed on the both ends of curtain wind-up roll 12,
It is fixedly connected between the curtain wind-up roll 12 and one end of curtain 13, the two sides of the curtain 13 are connected with the soft item in side
14, it is orthogonal between the soft item 14 in the side and curtain wind-up roll 12, and one end of the soft item 14 in the side is fixed on curtain
On wind-up roll 12, the soft one end of item 14 far from curtain wind-up roll 12 of the curtain 13 and side passes through top platen 15 and is fixed on
On the downside panel of barn door 16, the one end of the No.1 connection gear 11 far from curtain wind-up roll 12 is connected by connecting rod 17
Have and receive roller 18, described to receive the one end for being fixedly connected with chain bar 19 on roller 18, the chain bar 19 is logical far from the one end for receiving roller 18
It crosses welded plate 20 to be fixed on barn door 16, No. two connection gears 22, No. two connections is fixedly connected on the rotating handle 28
22 upper extreme point of gear is connected with pawl elastic slice wheel 23, and the pawl elastic slice wheel 23 is fixed in No.1 connecting shaft 24, the No.1
Connecting shaft 24 passes through projector mechanism 1 far from one end of pawl elastic slice wheel 23 and is connected with press handle 25, and the pawl elastic slice wheel 23 is set
It sets in No. two link blocks 26, is rotatablely connected between the press handle 25 and No. two link blocks 26, No. two link blocks 26 are remote
Be fixedly connected with reset spring 27 on side from chain bar 19, the one end of the reset spring 27 far from No. two link blocks 26 with
It is fixedly connected between No.1 connecting shaft 24, engagement is connected with No. three connection gears on the lower extreme point of No. two connection gears 22
29, two No. three connection gears 29 are separately fixed on the both ends of No. two connecting shafts 31, and No. three connection gears 29
It is arranged in No. three link blocks 30, there are two No. four link blocks 32 for rotation connection in No. two connecting shafts 31.
The chain bar 19 includes several connectors 34 and an elastic drag rope 39, and one end of the connector 34 is equipped with
Bevel angle 35, the connector 34 are equipped with the cone tank 36 chimeric with bevel angle 35, the company far from one end of bevel angle 35
Fitting 34 is connected with coupling bar 37 close to one end corner of bevel angle 35, and upper and lower perforative cord hole is equipped in the connector 34
38, the cord hole 38 is serially connected on elastic drag rope 39, is fixedly connected between one end and welded plate 20 of the elastic drag rope 39, institute
Elastic drag rope 39 is stated to be fixed on receipts roller 18 far from one end of welded plate 20.
The chain bar 19 is fixedly connected between the connector 34 and welded plate 20 of 20 one end of welded plate.
The chain bar 19 is fixedly connected between the connector 34 and receipts roller 18 of receipts 18 one end of roller.
The receipts roller 18 passes through projector mechanism 1 far from one end of chain bar 19 and is connected with rotating handle 28.
It is connected between each connector 34 by the way that coupling bar 37 is the first.
Two No.1 link blocks 7 are fixedly connected by No. four link blocks 32 with the inner wall of projector mechanism 1.
It is specific: a kind of projection device applied in telecommunications field, in use, will stretch first with barn door 16
13 pull-up of curtain of projection cloth mechanism 5, then can carry out telecommunications projection, in the process, the connector of chain bar 19
It is close to the direction opposite with coupling bar 37 under the pulling of elastic drag rope 19 between 34, the curved of chain bar 19 is prevented with this
Song, to realize the effect of support, and the biggish screening of mutually perpendicular design matching area between barn door 16 and curtain 13
When tabula rasa 16 is incident upon image on curtain 13, influence of the external light source to image is reduced, it is ensured that the quality of image, and
The spiral spring plate 10 that the present invention is arranged can provide the elastic force of convolution for ring gear 8, cooperate transportable pawl elastic slice wheel 23 right
The limit of No. two connection gears 22, so that curtain of the invention can complete the operation of automatic winding during winding,
After the completion of winding, user, which unclamps the pressing of press handle 25 No.1 connecting shaft 24, resets pawl elastic slice wheel 23, the design of rotating handle 28
It is then to assist user to wind curtain 13, the design is so that the present invention between all parts after the completion of winding
It can more be bonded, structure of the invention is novel, and it is easy to use, it is a kind of novel and practical throwing applied in telecommunications field
Shadow equipment.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of projection device applied in telecommunications field, it is characterised in that: including projector mechanism (1) and flexible projection cloth
Mechanism (5), the projector mechanism (1) include No.1 shell (2), projector main body (3) and projection head (4), the projector sheet
Body (3) is fixed in No.1 shell (2) by several screws, and the image that the projection head (4) is connected to projector main body (3) is defeated
In outlet, the flexible projection cloth mechanism (5) includes two extra shells (6), No.1 link block (7), ring gear (8), positioning capel
(9), spiral spring plate (10), No.1 connection gear (11), curtain wind-up roll (12), curtain (13), the soft item in side (14), top pressure
Plate (15), connecting rod (17), receives roller (18), chain bar (19), welded plate (20), bezel (21), No. two connections at barn door (16)
Gear (22), pawl elastic slice wheel (23), No.1 connecting shaft (24), press handle (25), No. two link blocks (26), reset springs
(27), rotating handle (28), No. three connection gears (29), No. three link blocks (30), No. two connecting shafts (31) and No. four link blocks (32),
It is connected between the two extras shell (6) and No.1 shell (2) by several screws, bezel (21) screw is fixed on an extra
In the upper panel of shell (2) and two extra shells (6), curtain (13) of the projecting direction of the projection head (4) towards after being unfolded, institute
The bottom for stating No.1 shell (2) and two extra shells (6) is respectively connected with skidproof bottom pad (33).
2. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: described No. two
It is fixedly connected to inside the both ends of shell (6) No.1 link block (7), is fitted into ring with teeth (8) in the No.1 link block (7),
Positioning capel (9) is welded on the one side of the ring gear (8), the positioning capel (9) is entrenched in No.1 link block (7),
The inside of the ring gear (8) is fixedly connected with the outer end of spiral spring plate (10), and the inner end of the spiral spring plate (10) passes through rectangular
It being fixedly connected between bolt and No.1 link block (7), engagement is connected with No.1 connection gear (11) on the outside of the ring gear (8),
Two No.1 connection gears (11) pass through No.1 link block (7) far from the one end of No.1 link block (7) and are separately fixed at curtain
On the both ends of cloth wind-up roll (12), it is fixedly connected between the curtain wind-up roll (12) and one end of curtain (13), the curtain
(13) two sides are connected with the soft item in side (14), hang down mutually between the soft item in side (14) and curtain wind-up roll (12)
Directly, and one end of the soft item in the side (14) is fixed on curtain wind-up roll (12), the curtain (13) and the soft item in side (14)
One end far from curtain wind-up roll (12) passes through top platen (15) and is fixed on the downside panel of barn door (16), and described one
The one end of number connection gear (11) far from curtain wind-up roll (12) is connected with by connecting rod (17) receives roller (18), the receipts roller
(18) one end of chain bar (19) is fixedly connected on, the chain bar (19) passes through welded plate far from the one end for receiving roller (18)
(20) it is fixed on barn door (16), No. two connection gears (22), No. two connections is fixedly connected on the rotating handle (28)
Gear (22) upper extreme point is connected with pawl elastic slice wheel (23), and the pawl elastic slice wheel (23) is fixed on No.1 connecting shaft (24),
The No.1 connecting shaft (24) passes through projector mechanism (1) far from one end of pawl elastic slice wheel (23) and is connected with press handle (25), institute
Pawl elastic slice wheel (23) setting is stated in No. two link blocks (26), is rotated between the press handle (25) and No. two link blocks (26)
It connects, is fixedly connected with reset spring (27), the reset on the side of No. two link blocks (26) separate chain bar (19)
It is fixedly connected between one end and No.1 connecting shaft (24) of separate No. two link blocks (26) of spring (27), No. two connection gears
(22) engagement is connected with No. three connection gears (29) on lower extreme point, and two No. three connection gears (29) are separately fixed at two
On the both ends of number connecting shaft (31), and No. three connection gears (29) setting is in No. three link blocks (30), No. two companies
There are two No. four link blocks (32) for rotation connection in spindle (31).
3. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: the chain
Bar (19) includes several connectors (34) and an elastic drag rope (39), and one end of the connector (34) is equipped with bevel angle
(35), the connector (34) is equipped with the cone tank (36) chimeric with bevel angle (35), institute far from the one end of bevel angle (35)
It states one end corner of connector (34) close to bevel angle (35) to be connected with coupling bar (37), be equipped in the connector (34) upper
Under perforative cord hole (38), the cord hole (38) is serially connected on elastic drag rope (39), one end of the elastic drag rope (39) and weldering
Fishplate bar is fixedly connected between (20), and the elastic drag rope (39) is fixed on far from the one end of welded plate (20) and receives on roller (18).
4. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: the chain
Bar (19) is fixedly connected between the connector (34) and welded plate (20) of welded plate (20) one end.
5. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: the chain
Bar (19) is fixedly connected between the connector (34) and receipts roller (18) of receipts roller (18) one end.
6. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: the receipts roller
(18) one end far from chain bar (19) passes through projector mechanism (1) and is connected with rotating handle (28).
7. a kind of projection device applied in telecommunications field according to claim 3, it is characterised in that: each described
It is connected between connector (34) by the way that coupling bar (37) are the first.
8. a kind of projection device applied in telecommunications field according to claim 1, it is characterised in that: described in two
No.1 link block (7) is fixedly connected by No. four link blocks (32) with the inner wall of projector mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395667.9A CN110133955A (en) | 2019-05-14 | 2019-05-14 | A kind of projection device applied in telecommunications field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395667.9A CN110133955A (en) | 2019-05-14 | 2019-05-14 | A kind of projection device applied in telecommunications field |
Publications (1)
| Publication Number | Publication Date |
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| CN110133955A true CN110133955A (en) | 2019-08-16 |
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ID=67573640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910395667.9A Pending CN110133955A (en) | 2019-05-14 | 2019-05-14 | A kind of projection device applied in telecommunications field |
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| CN (1) | CN110133955A (en) |
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| CN114952875A (en) * | 2021-12-18 | 2022-08-30 | 广州城建职业学院 | Novel adjustable exhibitions artificial intelligence robot |
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| CN113099701A (en) * | 2021-04-22 | 2021-07-09 | 南阳理工学院 | Optical electronic whiteboard heat dissipation device |
| CN113099701B (en) * | 2021-04-22 | 2023-09-26 | 南阳理工学院 | Optical electronic whiteboard heat abstractor |
| CN114952875A (en) * | 2021-12-18 | 2022-08-30 | 广州城建职业学院 | Novel adjustable exhibitions artificial intelligence robot |
| CN114952875B (en) * | 2021-12-18 | 2024-05-10 | 广州城建职业学院 | Adjustable exhibition artificial intelligence robot |
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Application publication date: 20190816 |