CN209327759U - A kind of dust proof air inlet device of projector - Google Patents
A kind of dust proof air inlet device of projector Download PDFInfo
- Publication number
- CN209327759U CN209327759U CN201822085708.8U CN201822085708U CN209327759U CN 209327759 U CN209327759 U CN 209327759U CN 201822085708 U CN201822085708 U CN 201822085708U CN 209327759 U CN209327759 U CN 209327759U
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- fixedly connected
- projector
- airscoop shroud
- slide
- air inlet
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Abstract
The utility model discloses a kind of dust proof air inlet devices of projector, including the airscoop shroud at air inlet of projector is arranged in, the airscoop shroud is fixedly connected close to the side of projector there are two symmetrically arranged fixed mechanism, the airscoop shroud offers installing port far from the side of projector, the ventilating board of multiple equidistant arrangements is rotatably connected in the installing port by shaft, slide is connected with by regulating mechanism in the airscoop shroud, the slide is flexibly connected with ventilating board.The utility model passes through setting regulating mechanism, servo motor rotation drives screw rod rotation, screw rod rotation drives slide mobile, slide is mobile to drive ventilating board mobile, to the opening and closing of conveniently adjusted installing port, so that projector can obtain normal air inlet when in use, the closing of installing port can be kept when idle, it can prevent dust from entering inside projector, not influence the normal use of projector.
Description
Technical field
The utility model relates to projector apparatus technical field more particularly to a kind of dust proof air inlet devices of projector.
Background technique
Projector be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen
Device, it can make profile measurement with transmitted light, it is also possible to the surface shape and observation piece surface of reflected light measurement blind hole.Projection
The particularly suitable measurement complex outline of instrument and tiny workpiece, as clock and watch part, punching parts, electronic component, template, mold, screw thread,
Gear and molding cutter etc., checkability is high, easy to use.
The inlet duct of projector is a component necessary to projector, is entered inside projector for outside air to throwing
Shadow machine radiates, and existing inlet duct has a large amount of dusts by air inlet and enter projector when projector leaves unused
Inside makes projector be easy to happen failure.
Utility model content
Purpose of the utility model is to solve the deficiencies in the prior art, and propose a kind of the dust-proof of projector
Inlet duct.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of dust proof air inlet device of projector, including the airscoop shroud at air inlet of projector, the airscoop shroud is arranged in
It is fixedly connected close to the side of projector there are two symmetrically arranged fixed mechanism, the airscoop shroud is opened far from the side of projector
Equipped with installing port, the ventilating board of multiple equidistant arrangements is rotatably connected in the installing port by shaft, is led in the airscoop shroud
It overregulates mechanism and is connected with slide, the slide is flexibly connected with ventilating board, and side of the airscoop shroud far from fixed mechanism is solid
Surely it is connected with mounting cup, the mounting cup offers port far from the side of airscoop shroud, is fixedly connected with strainer in the port.
Preferably, the fixed mechanism includes the transverse slat being fixedly connected with airscoop shroud side wall, and the transverse slat is equipped with the first T
The end of type pull rod, the first T-type pull rod through transverse slat and is fixedly connected with clamping plate, and the clamping plate passes through multiple first springs
It is fixedly connected with transverse slat.
Preferably, the regulating mechanism includes the servo motor being fixedly connected at the top of airscoop shroud, the servo motor
Driving end runs through the top of airscoop shroud and is fixedly connected with screw rod, and lower rotation connects in the lower end of the screw rod and airscoop shroud,
The slide screw thread is socketed on screw rod, and the side of the screw rod is equipped with the gag lever post being fixedly connected in airscoop shroud, the cunning
Sliding mouth corresponding with gag lever post is offered on seat, the slide is slidably connected on gag lever post by sliding mouth.
Preferably, loose slot is offered on the slide, is fixedly connected in the loose slot multiple corresponding with ventilating board
Fixing axle, movable mouth corresponding with fixing axle is offered on the ventilating board, the ventilating board passes through movable mouth and fixing axle
It is flexibly connected
Preferably, the lower end of the screw rod is fixedly connected with bull stick, and the lower end of the bull stick through airscoop shroud bottom and is consolidated
Surely it is arranged with outer gear ring, the side of the outer gear ring is equipped with the riser for being fixedly connected on airscoop shroud bottom, and the riser is close to outer
The side of gear ring is fixedly connected with limit plate by multiple second springs, and side of the limit plate far from second spring is fixed to be connected
It is connected to limiting tooth corresponding with outer gear ring, the riser is equipped with the second T-type pull rod, and the end of the second T-type pull rod is run through
Riser is simultaneously fixedly connected with limit plate.
Preferably, the airscoop shroud bottom offers dashpot, and the dashpot inner top connects by the way that third spring is fixed
It is connected to slide plate, the slide plate is slidably connected with dashpot inner wall, and lever, the lever position are fixedly connected on the downside of the slide plate
In the second side of the T-type pull rod far from riser.
The utility model has the following beneficial effects:
By the way that regulating mechanism is arranged, servo motor rotation drives screw rod rotation, and screw rod rotation drives slide mobile, and slide moves
It is dynamic to drive ventilating board mobile, thus the opening and closing of conveniently adjusted installing port, so that projector when in use can be with
Normal air inlet is obtained, the closing of installing port can be kept when idle, thus prevents dust to enter inside projector, keeps away
Exempt from the normal use of influence projector；
By the way that the second T-type pull rod, second spring, limit plate, outer gear ring, limiting tooth, lever, slide plate, third spring is arranged
Cooperation, by pressing lever, then pull the second T-type pull rod at lever when needing servo motor to rotate, unclamp at this time
Lever is moved down since the elastic force effect of third spring will drive lever, so as to limit to the second T-type pull rod, is watched at this time
Take motor can be rotated, when closing installing port, by pressing lever, at this time the second T-type pull rod due to second spring elastic force work
It is engaged with the limiting tooth that will drive on limit plate with outer gear ring, invert bull stick will not, so that screw rod be avoided to invert, make ventilating board
Position will not change, sealing effect is good.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of projector dust proof air inlet device structural schematic diagram；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B.
In figure: 1 airscoop shroud, 2 mounting cups, 3 strainers, 4 servo motors, 5 screw rods, 6 gag lever posts, 7 slides, 8 ventilating boards, 9 cross
Plate, 10 first T-type pull rods, 11 first springs, 12 clamping plates, 13 outer gear rings, 14 second T-type pull rods, 15 second springs, 16 limits
Plate, 17 third springs, 18 slide plates, 19 levers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of dust proof air inlet device of projector, including the airscoop shroud 1 at air inlet of projector is arranged in,
Airscoop shroud 1 is fixedly connected close to the side of projector there are two symmetrically arranged fixed mechanism, and fixed mechanism includes and airscoop shroud 1
The transverse slat 9 that side wall is fixedly connected, transverse slat 9 are equipped with the first T-type pull rod 10, and the end of the first T-type pull rod 10 through transverse slat 9 and is consolidated
Surely it is connected with clamping plate 12, clamping plate 12 is fixedly connected by multiple first springs 11 with transverse slat 9, and the first T-type pull rod 10 is due to first
The elastic force effect of spring 11 will drive that clamping plate 12 is mobile, and clamping plate 12 is mobile so as to offset with projector, so as to facilitate by into
Gas hood 1 is mounted in projector.
Airscoop shroud 1 offers installing port far from the side of projector, is rotatably connected in installing port by shaft multiple etc.
Ventilating board 8 away from arrangement, airscoop shroud 1 is interior to be connected with slide 7 by regulating mechanism, and regulating mechanism includes being fixedly connected on airscoop shroud
The servo motor 4 at 1 top, the driving end of servo motor 4 run through the top of airscoop shroud 1 and are fixedly connected with screw rod 5, screw rod 5
Lower end is connect with lower rotation in airscoop shroud 1, and 7 screw thread of slide is socketed on screw rod 5, and the side of screw rod 5, which is equipped with, to be fixedly connected on
Gag lever post 6 in airscoop shroud 1, sliding mouth corresponding with gag lever post 6 is offered on slide 7, and slide 7 is slidably connected at limit by cunning mouth
Position bar 6 on, slide 7 is flexibly connected with ventilating board 8, and loose slot is offered on slide 7, be fixedly connected in loose slot it is multiple with it is logical
The corresponding fixing axle of aerofoil 8, movable mouth corresponding with fixing axle is offered on ventilating board 8, and ventilating board 8 passes through movable mouth and fixation
Axis is flexibly connected, and airscoop shroud 1 is fixedly connected with mounting cup 2 far from the side of fixed mechanism, mounting cup 2 far from airscoop shroud 1 one
Side offers port, and strainer 3 is fixedly connected in port, and the rotation of servo motor 4 drives screw rod 5 to rotate, and the rotation of screw rod 5, which drives, to be slided
Seat 7 is mobile, and slide 7 is mobile to drive ventilating board 8 mobile, thus the opening and closing of conveniently adjusted installing port, so that throwing
Shadow machine can obtain normal air inlet when in use, and the closing of installing port can be kept when idle, thus prevent dust into
Enter to inside projector, to not influence the normal use of projector.
The lower end of screw rod 5 is fixedly connected with bull stick, and the lower end of bull stick is through 1 bottom of airscoop shroud and fixing sleeve is equipped with outer gear ring
13, the side of outer gear ring 13 is equipped with the riser for being fixedly connected on 1 bottom of airscoop shroud, and riser passes through more close to the side of outer gear ring 13
A second spring 15 is fixedly connected with limit plate 16, and limit plate 16 is fixedly connected with far from the side of second spring 15 and outer gear ring
13 corresponding limiting tooths, riser are equipped with the second T-type pull rod 14, and the end of the second T-type pull rod 14 is through riser and and limit plate
16 are fixedly connected, and 1 bottom of airscoop shroud offers dashpot, and dashpot inner top is fixedly connected with slide plate by third spring 17
18, slide plate 18 is slidably connected with dashpot inner wall, and the downside of slide plate 18 is fixedly connected with lever 19, and lever 19 is located at the second T-type
Side of the pull rod 14 far from riser, by pressing lever 19, elastic force effect of the second T-type pull rod 14 due to second spring 15 at this time
The limiting tooth that will drive on limit plate 16 is engaged with outer gear ring 13, so that bull stick will not invert, so that screw rod 5 will not
Reversion, so that the position of ventilating board 8 will not change, so that sealing effect is good.
In the utility model, the first T-type pull rod 10 will drive the movement of clamping plate 12, folder due to the elastic force effect of the first spring 11
Plate 12 is mobile to be mounted on airscoop shroud 1 in projector so as to facilitate so as to offset with projector, and servo motor 4 rotates band
Dynamic screw rod 5 rotates, and the rotation of screw rod 5 drives slide 7 mobile, and slide 7 is mobile to drive ventilating board 8 mobile, thus conveniently adjusted peace
The opening and closing of dress mouth can keep pacifying when idle so that projector can obtain normal air inlet when in use
The closing for filling mouth, thus prevents dust to enter inside projector, so that the normal use of projector is not influenced, when needs are watched
When taking the rotation of motor 4, by pressing lever 19, then pulls the second T-type pull rod 14 at lever 19, unclamps lever 19 at this time,
It moves down since the elastic force effect of third spring 17 will drive lever 19, so as to be limited to the second T-type pull rod 14, watches at this time
Taking motor 4 can be rotated, and when closing installing port, by pressing lever 19, the second T-type pull rod 14 is due to second spring 15 at this time
The limiting tooth that elastic force effect will drive on limit plate 16 is engaged with outer gear ring 13, so that bull stick will not invert, so that
Screw rod 5 will not invert, so that the position of ventilating board 8 will not change, so that sealing effect is good.
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 is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of dust proof air inlet device of projector, including the airscoop shroud (1) at air inlet of projector is arranged in, feature exists
It is fixedly connected with close to the side of projector that there are two symmetrically arranged fixed mechanism, the airscoop shrouds in, the airscoop shroud (1)
(1) side far from projector offers installing port, and the installing port is interior to be rotatably connected to multiple equidistant arrangements by shaft
Ventilating board (8), the airscoop shroud (1) is interior to be connected with slide (7) by regulating mechanism, the slide (7) and ventilating board (8) activity
Connection, the airscoop shroud (1) are fixedly connected with mounting cup (2) far from the side of fixed mechanism, and the mounting cup (2) is far from air inlet
The side of cover (1) offers port, and strainer (3) are fixedly connected in the port.
2. a kind of dust proof air inlet device of projector according to claim 1, which is characterized in that the fixed mechanism includes
The transverse slat (9) being fixedly connected with airscoop shroud (1) side wall, the transverse slat (9) are equipped with the first T-type pull rod (10), first T-type
The end of pull rod (10) is through transverse slat (9) and is fixedly connected with clamping plate (12), and the clamping plate (12) passes through multiple first springs
(11) it is fixedly connected with transverse slat (9).
3. a kind of dust proof air inlet device of projector according to claim 1, which is characterized in that the regulating mechanism includes
The top of airscoop shroud (1) is run through at the servo motor (4) being fixedly connected at the top of airscoop shroud (1), the driving end of the servo motor (4)
Portion is simultaneously fixedly connected with screw rod (5), and the lower end of the screw rod (5) is connect with airscoop shroud (1) interior lower rotation, the slide (7)
Screw thread is socketed on screw rod (5), and the side of the screw rod (5) is equipped with the gag lever post (6) being fixedly connected in airscoop shroud (1), institute
It states and offers sliding mouth corresponding with gag lever post (6) on slide (7), the slide (7) is slidably connected at gag lever post (6) by sliding mouth
On.
4. a kind of dust proof air inlet device of projector according to claim 1, which is characterized in that opened on the slide (7)
Equipped with loose slot, it is fixedly connected with multiple fixing axles corresponding with ventilating board (8) in the loose slot, on the ventilating board (8)
Movable mouth corresponding with fixing axle is offered, the ventilating board (8) passes through movable mouth and is flexibly connected with fixing axle.
5. a kind of dust proof air inlet device of projector according to claim 3, which is characterized in that under the screw rod (5)
End is fixedly connected with bull stick, and the lower end of the bull stick is through airscoop shroud (1) bottom and fixing sleeve is equipped with outer gear ring (13), described outer
The side of gear ring (13) is equipped with the riser for being fixedly connected on airscoop shroud (1) bottom, side of the riser close to outer gear ring (13)
It is fixedly connected with limit plate (16) by multiple second springs (15), side of the limit plate (16) far from second spring (15)
It is fixedly connected with limiting tooth corresponding with outer gear ring (13), the riser is equipped with the second T-type pull rod (14), second T-type
The end of pull rod (14) is fixedly connected through riser and with limit plate (16).
6. a kind of dust proof air inlet device of projector according to claim 5, which is characterized in that airscoop shroud (1) bottom
Portion offers dashpot, and the dashpot inner top is fixedly connected with slide plate (18), the slide plate by third spring (17)
(18) it is slidably connected with dashpot inner wall, is fixedly connected with lever (19) on the downside of the slide plate (18), lever (19) position
In side of the second T-type pull rod (14) far from riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085708.8U CN209327759U (en) | 2018-12-12 | 2018-12-12 | A kind of dust proof air inlet device of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085708.8U CN209327759U (en) | 2018-12-12 | 2018-12-12 | A kind of dust proof air inlet device of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327759U true CN209327759U (en) | 2019-08-30 |
Family
ID=67726350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822085708.8U Active CN209327759U (en) | 2018-12-12 | 2018-12-12 | A kind of dust proof air inlet device of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327759U (en) |
-
2018
- 2018-12-12 CN CN201822085708.8U patent/CN209327759U/en active Active
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