CN108897188B - Portable projector - Google Patents

Portable projector Download PDF

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Publication number
CN108897188B
CN108897188B CN201810993060.6A CN201810993060A CN108897188B CN 108897188 B CN108897188 B CN 108897188B CN 201810993060 A CN201810993060 A CN 201810993060A CN 108897188 B CN108897188 B CN 108897188B
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CN
China
Prior art keywords
groove
fixedly connected
grooves
sliding
rod
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Active
Application number
CN201810993060.6A
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Chinese (zh)
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CN108897188A (en
Inventor
王强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Huigong Liudian Education Technology Co., Ltd
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Shanxi Huigong Liudian Education Technology Co Ltd
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Application filed by Shanxi Huigong Liudian Education Technology Co Ltd filed Critical Shanxi Huigong Liudian Education Technology Co Ltd
Priority to CN201810993060.6A priority Critical patent/CN108897188B/en
Publication of CN108897188A publication Critical patent/CN108897188A/en
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Publication of CN108897188B publication Critical patent/CN108897188B/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/145Housing details, e.g. position adjustments thereof

Abstract

The invention discloses a portable projector, which comprises a protective shell and is characterized in that a placing groove is arranged in the middle of the protective shell, a projector body is arranged in the placing groove, first grooves are respectively arranged on two sides in the placing groove, a slot is respectively arranged on one side of the first groove far away from the projector body, a first bevel gear is respectively arranged in the first grooves, a first sliding groove is respectively arranged on one side of the first bevel gear far away from the projector body, and two first sliding rods are respectively connected in the first sliding grooves in a sliding manner. The damage of the projector body caused by external force can be avoided.

Description

Portable projector
The technical field is as follows:
the invention belongs to the technical field of education equipment, and particularly relates to a portable projector.
Background art:
the projecting apparatus is education equipment's one, and current projecting apparatus all is the snap-on indoor, and unable dismantlement, when students went up certain course, need to go to the classroom of installing the projecting apparatus and attend a class, and is comparatively troublesome, and the outside of projecting apparatus does not have safeguard measure, damages because of external force easily.
The invention content is as follows:
the invention aims to solve the problems that the existing projectors are directly fixed indoors and cannot be detached, students need to go to a classroom provided with the projectors when taking certain courses, the projectors are troublesome, and the projectors are easy to damage due to external force because no protective measures are arranged outside the projectors.
In order to solve the above problems, the present invention provides a technical solution:
a portable projector comprises a protective shell, wherein a placing groove is arranged in the middle of the protective shell, a projector body is arranged inside the placing groove, first grooves are formed in two sides of the inside of the placing groove, slots are formed in one side, away from the projector body, of the inside of each first groove, first bevel gears are arranged inside the first grooves, first sliding grooves are formed in one sides, away from the projector body, of the first bevel gears, two first sliding rods are connected inside the first sliding grooves in a sliding mode, the two first sliding rods are respectively located at the upper end and the lower end of each first sliding groove, one ends, away from the same-side first bevel gears, of the two first sliding rods are fixedly connected to one side, away from the projector body, of the inside of each first groove, first screw rods are inserted into the first bevel gears, and are located on the same horizontal line with the slots formed in the first grooves, the diameter of the first screw rod is smaller than the diameter of a slot arranged in the first groove, one end, far away from the projector body, of the first screw rod is inserted into the slot arranged in the first groove, one end, close to the projector body, of the first screw rod penetrates through the inside of the first groove and extends to the inside of the placing groove, the first screw rod is located on a top plate fixedly connected with one end of the inside of the placing groove, and the upper end of the placing groove is movably connected with a first cover plate through a first hinge.
Preferably, the top end of the protective shell is provided with two second grooves, the two second grooves are respectively positioned at two sides of the placing groove, the two second grooves are positioned right above the first grooves at the same side, the bottom ends of the two second grooves are fixedly connected with fixing rings, the upper ends of the fixing rings are respectively inserted with second screws, one ends of the second screws, which are close to the fixing rings, penetrate through the upper ends of the fixing rings and extend to the inside of the first grooves at the same side, one ends of the second screws, which are positioned in the first grooves at the same side, are respectively and fixedly connected with second bevel gears, the second bevel gears are respectively meshed with first bevel gears arranged in the first grooves at the same side, one ends of the second screws, which are far away from the fixing rings, are respectively and fixedly connected with rotating discs, and the upper ends of the inside of the two second grooves are respectively and movably connected with second cover plates through second, the width of the second cover plate is the same as that of the second groove on the same side, a movable shaft is fixedly connected to the top end of the protective shell, and a movable plate is movably connected to the movable shaft.
Preferably, the four corners of the bottom end of the protective shell are respectively provided with a third groove, the inside of each third groove is fixedly connected with a second chute, each second chute is slidably connected with a second slide rod, each second slide rod is movably connected with a fixed rod, each fixed rod is of a hollow structure, the inside of each fixed rod is fixedly connected with a fixed plate, the bottom end of each fixed plate is fixedly connected with a telescopic rod, one end of each telescopic rod, far away from the fixed plate, penetrates through the inside of each fixed rod and extends to the outside of each fixed rod, one end of each telescopic rod, located outside the fixed rod, is fixedly connected with a fixed plate, the diameter of each fixed plate is larger than that of each fixed rod, one side of the outside of each third groove, far away from the middle part of the bottom end of the protective shell is fixedly connected with a connecting block, and one side of each, the front of connecting block all is equipped with the second through-groove, the equal fixedly connected with third spout in the inside of connecting block, equal sliding connection has the third slide bar on the third spout, equal fixedly connected with extension board on the third slide bar.
Preferably, the front two sides of the placing groove are fixedly connected with fourth sliding grooves, a drawing plate is connected between the fourth sliding grooves in a sliding mode, and a connecting plate is fixedly connected between the bottom ends of the fourth sliding grooves.
Preferably, the front surface of the protective shell is fixedly connected with a handle, and the handle is provided with an anti-slip sleeve.
Preferably, the fixed rod is far away from the middle part of the bottom end of the protective shell and is fixedly connected with a fixed block, and the fixed block is of a concave structure.
Preferably, one end of the third sliding chute of the third sliding rod penetrates through the second through groove arranged on the connecting block and extends to the outside of the connecting block.
Preferably, one side of the third groove, which is close to the outer part of the middle part of the bottom end of the protective shell, is movably connected with a movable cover through a third hinge, and the width of the movable cover is equal to that of the third groove.
The invention has the beneficial effects that: the portable projector is convenient for teachers to carry the portable projector when giving some courses to students, and the students do not need to go to other classrooms for class, so that the portable projector is convenient.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a cut-away view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
FIG. 3 is an enlarged view of the structure at B of the present invention;
FIG. 4 is an external view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a schematic view of the first bevel gear of the present invention;
fig. 7 is a schematic structural view of the connecting block of the present invention.
In the figure: 1-protective shell, 2-placing groove, 3-projector body, 4-first groove, 5-first bevel gear, 6-first sliding groove, 7-first sliding rod, 8-slot, 9-first screw, 10-top plate, 11-second groove, 12-fixing ring, 13-second screw, 14-second bevel gear, 15-rotating disc, 16-third groove, 17-second sliding groove, 18-second sliding rod, 19-fixing rod, 20-fixing plate, 21-telescopic rod, 22-fixing disc, 23-fixing block, 24-connecting block, 25-third sliding groove, 26-third sliding rod, 27-supporting plate, 28-first through groove, 29-second through groove, 30-third hinge, 31-movable cover, 32-a first cover plate, 33-a movable shaft, 34-a movable plate, 35-a connecting plate, 36-a fourth chute, 37-a drawing plate, 38-a handle, 39-a second hinge, 40-a second cover plate and 41-a first hinge.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: a portable projector comprises a protective shell 1, wherein a placing groove 2 is arranged in the middle of the protective shell 1, a projector body 3 is arranged inside the placing groove 2, first grooves 4 are respectively arranged on two sides of the inside of the placing groove 2, a slot 8 is respectively arranged on one side of the inside of each first groove 4, which is far away from the projector body 3, a first bevel gear 5 is respectively arranged inside each first groove 4, a first chute 6 is respectively arranged on one side of each first bevel gear 5, which is far away from the projector body 3, two first slide bars 7 are respectively connected inside each first chute 6 in a sliding manner, the two first slide bars 7 are respectively arranged at the upper end and the lower end of each first chute 6, one ends of the two first slide bars 7, which are far away from the first bevel gear 5 on the same side, are respectively fixedly connected to one side of the inside of each first groove 4, which is far away from the projector body 3, and first screw rods 9 are respectively inserted into each first bevel, the first screw rods 9 are all located on the same horizontal line with slots 8 formed in the first groove 4, the diameter of each first screw rod 9 is smaller than that of the corresponding slot 8 formed in the first groove 4, one end, far away from the projector body 3, of each first screw rod 9 is inserted into the corresponding slot 8 formed in the first groove 4, one end, close to the projector body 3, of each first screw rod 9 penetrates through the corresponding first groove 4 and extends to the corresponding placing groove 2, one end, located inside the placing groove 2, of each first screw rod 9 is fixedly connected with a top plate 10, and the upper end of the placing groove 2 is movably connected with a first cover plate 32 through a first hinge 41.
Wherein, the top end of the protective shell 1 is provided with two second grooves 11, the two second grooves 11 are respectively located at two sides of the placing groove 2, the two second grooves 11 are both located right above the first grooves 4 at the same side, the bottom ends of the two second grooves 11 are both fixedly connected with fixing rings 12, the upper ends of the fixing rings 12 are both inserted with second screws 13, one ends of the second screws 13 close to the fixing rings 12 penetrate through the upper ends of the fixing rings 12 and extend to the inside of the first grooves 4 at the same side, one ends of the second screws 13 located inside the first grooves 4 at the same side are both fixedly connected with second bevel gears 14, the second bevel gears 14 are both engaged with first bevel gears 5 arranged inside the first grooves 4 at the same side, one ends of the second screws 13 far away from the fixing rings 12 are both fixedly connected with rotating discs 15, the upper ends of the inside of the two second grooves 11 are both movably connected with second cover plates 40 through second hinges 39, the width of the second cover plate 40 is the same as the width of the second groove 11 on the same side, the top end of the protective shell 1 is fixedly connected with a movable shaft 33, and a movable plate 34 is movably connected to the movable shaft 33.
Wherein, the four corners of the bottom end of the protective shell 1 are respectively provided with a third groove 16, the inside of each third groove 16 is fixedly connected with a second chute 17, each second chute 17 is slidably connected with a second slide bar 18, each second slide bar 18 is movably connected with a fixing rod 19, each fixing rod 19 is of a hollow structure, each fixing rod 19 is fixedly connected with a fixing plate 20, the bottom end of each fixing plate 20 is fixedly connected with a telescopic rod 21, one end of each telescopic rod 21 far away from the fixing plate 20 penetrates through the inside of each fixing rod 19 and extends to the outside of each fixing rod 19, one end of each telescopic rod 21 far away from the outside of each fixing rod 19 is fixedly connected with a fixing plate 22, the diameter of each fixing plate 22 is larger than that of each fixing rod 19, and one side of the outside of each third groove 16 far away from the middle part of the bottom end of the protective shell 1 is fixedly, one side that connecting block 24 is close to protective housing 1 bottom middle part all is equipped with first logical groove 28, connecting block 24's front all is equipped with second logical groove 29, the equal fixedly connected with third spout 25 in connecting block 24's inside, equal sliding connection has third slide bar 26 on the third spout 25, equal fixedly connected with extension board 27 on the third slide bar 26.
The front two sides of the placing groove 2 are fixedly connected with fourth sliding grooves 36, a drawing plate 37 is connected between the fourth sliding grooves 36 in a sliding mode, and a connecting plate 35 is fixedly connected between the bottom ends of the fourth sliding grooves 36.
The front surface of the protective shell 1 is fixedly connected with a handle 38, and the handle 38 is provided with an anti-slip sleeve.
The fixing rod 19 is far away from the middle of the bottom end of the protective shell 1 and is fixedly connected with a fixing block 23, and the fixing block 23 is of a concave structure.
One end of the third sliding groove 25 of the third sliding rod 26 passes through a second through groove 29 provided on the connecting block 24 and extends to the outside of the connecting block 24.
The third groove 16 is movably connected to one side of the outer portion, close to the middle portion of the bottom end of the protective shell 1, through a third hinge 30, and a movable cover 31 is movably connected to one side of the outer portion, and the width of the movable cover 31 is the same as that of the third groove 16.
Specifically, the method comprises the following steps: before the portable projector is used, the portable projector is taken to a school place through a handle 38, when the portable projector is used, a movable cover 31 is opened, a fixed rod 19 is rotated out of a third groove 16, the fixed rod 19 is in a vertical state, a second slide rod 18 slides to one end of a second slide groove 17, a support plate 27 is moved out of the inside of a connecting block 24 through a third slide rod 26 until one end of the support plate 27 far away from the connecting block 24 is inserted into a fixed block 23 arranged on the fixed rod 19 on the same side, when the height of the portable projector is required to be adjusted, the telescopic rod 21 is stretched through the fixed disc 22, the telescopic rod 21 is pulled out from the fixed rod 19, a pulling plate 37 is pulled out from the inside of a fourth slide groove 36, the movable plate 34 is rotated, the movable plate 34 is separated from the upper side of a first cover plate 32, the first cover plate 32 is opened, when the projector body 3 is used, the second cover plate 40 is opened when, rotate second screw 13 through carousel 15, second screw 13 rotates first bevel gear 5 through second bevel gear 14, first bevel gear 5 rotates first screw 9, breaks away from projector body 3 until roof 10, changes new projector body 3, and reverse rotation second screw 13 again makes roof 10 to the direction motion that is close to projector body 3, and until roof 10 supports on projector body 3, fix projector body 3 inside standing groove 2, can use.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (8)

1. The projector convenient to carry comprises a protective shell (1) and is characterized in that a placing groove (2) is arranged in the middle of the protective shell (1), a projector body (3) is arranged inside the placing groove (2), first grooves (4) are arranged on two sides inside the placing groove (2), one side, far away from the projector body (3), of each first groove (4) is provided with a slot (8), first bevel gears (5) are arranged inside the first grooves (4), one sides, far away from the projector body (3), of the first bevel gears (5) are provided with first sliding grooves (6), two first sliding rods (7) are connected inside the first sliding grooves (6) in a sliding mode, the two first sliding rods (7) are located at the upper end and the lower end of the first sliding grooves (6) respectively, and one ends, far away from the first bevel gears (5) on the same side, of the first sliding rods (7) are fixedly connected to one ends, far away from the projection body (5) on the same side, of the first grooves (4) are fixedly connected to the A first screw (9) is inserted on the first bevel gear (5) at one side of the instrument body (3), the first screw rods (9) and the slots (8) arranged in the first grooves (4) are all positioned on the same horizontal line, the diameters of the first screw rods (9) are smaller than the diameter of the slot (8) arranged in the first groove (4), one end of the first screw rod (9) far away from the projector body (3) is inserted into a slot (8) arranged in the first groove (4), one end of the first screw rod (9) close to the projector body (3) penetrates through the first groove (4) and extends into the placing groove (2), one end of the first screw rod (9) positioned in the placing groove (2) is fixedly connected with a top plate (10), the upper end of the placing groove (2) is movably connected with a first cover plate (32) through a first hinge (41).
2. A portable projector according to claim 1, wherein: the top end of the protective shell (1) is provided with two second grooves (11), the two second grooves (11) are respectively positioned at two sides of the placing groove (2), the two second grooves (11) are respectively positioned right above the first grooves (4) at the same side, the bottom ends of the two second grooves (11) are respectively and fixedly connected with a fixing ring (12), the upper ends of the fixing rings (12) are respectively inserted with a second screw rod (13), one end of each second screw rod (13) close to the fixing ring (12) penetrates through the upper end of the fixing ring (12) and respectively extends to the first grooves (4) at the same side, one end of each second screw rod (13) positioned in the first grooves (4) at the same side is respectively and fixedly connected with a second bevel gear (14), and the second bevel gears (14) are respectively meshed with first bevel gears (5) arranged in the first grooves (4) at the same side, keep away from second screw rod (13) the equal fixedly connected with carousel of one end (15), two of solid fixed ring (12) the inside upper end of second recess (11) all has second apron (40) through second hinge (39) swing joint, the width of second apron (40) all is the same with the width of homonymy second recess (11), the top fixedly connected with loose axle (33) of protective housing (1), swing joint has fly leaf (34) on loose axle (33).
3. A portable projector according to claim 1, wherein: the four corners of the bottom end of the protective shell (1) are respectively provided with a third groove (16), the inside of each third groove (16) is fixedly connected with a second sliding groove (17), each second sliding groove (17) is slidably connected with a second sliding rod (18), each second sliding rod (18) is movably connected with a fixing rod (19), each fixing rod (19) is of a hollow structure, the inside of each fixing rod (19) is fixedly connected with a fixing plate (20), the bottom end of each fixing plate (20) is fixedly connected with a telescopic rod (21), one end, far away from the fixing plate (20), of each telescopic rod (21) penetrates through the inside of each fixing rod (19) and extends to the outside of each fixing rod (19), one end, located at the outside of each fixing rod (19), of each telescopic rod (21) is fixedly connected with a fixed plate (22), and the diameter of each fixed plate (22) is larger than that of each fixing rod (19), the equal fixedly connected with connecting block (24) in outside one side at protective housing (1) bottom middle part is kept away from in third recess (16), one side that connecting block (24) are close to protective housing (1) bottom middle part all is equipped with first logical groove (28), the front of connecting block (24) all is equipped with the second and leads to groove (29), the equal fixedly connected with third spout (25) in inside of connecting block (24), equal sliding connection has third slide bar (26) on third spout (25), equal fixedly connected with extension board (27) on third slide bar (26).
4. A portable projector according to claim 1, wherein: the novel storage box is characterized in that fourth sliding grooves (36) are fixedly connected to two sides of the front face of the storage groove (2), a drawing plate (37) is connected between the fourth sliding grooves (36) in a sliding mode, and a connecting plate (35) is fixedly connected between the bottom ends of the fourth sliding grooves (36).
5. A portable projector according to claim 1, wherein: the front surface of the protective shell (1) is fixedly connected with a handle (38), and an anti-slip sleeve is arranged on the handle (38).
6. A portable projector according to claim 3, wherein: the dead lever (19) is far away from the middle part of the bottom end of the protective shell (1) and is fixedly connected with a fixed block (23), and the fixed block (23) is of a concave structure.
7. A portable projector according to claim 3, wherein: one end of the third sliding groove (25) of the third sliding rod (26) penetrates through a second through groove (29) formed in the connecting block (24) and extends to the outside of the connecting block (24).
8. A portable projector according to claim 3, wherein: the outside one side that third recess (16) are close to protective housing (1) bottom middle part all has movable cover (31) through third hinge (30) swing joint, the width of movable cover (31) all with the width of third recess (16) is the same.
CN201810993060.6A 2018-08-29 2018-08-29 Portable projector Active CN108897188B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810993060.6A CN108897188B (en) 2018-08-29 2018-08-29 Portable projector

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Application Number Priority Date Filing Date Title
CN201810993060.6A CN108897188B (en) 2018-08-29 2018-08-29 Portable projector

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CN108897188A CN108897188A (en) 2018-11-27
CN108897188B true CN108897188B (en) 2020-10-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110290661A (en) * 2019-07-23 2019-09-27 烟台三新新能源科技有限公司 A kind of anti-collision hits the communication equipment of high-cooling property

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Publication number Priority date Publication date Assignee Title
CN206258666U (en) * 2016-12-02 2017-06-16 永城职业学院 A kind of marketing portable projection device
CN107030772A (en) * 2017-04-08 2017-08-11 泉州泉港润美环保科技有限公司 A kind of paper tube cutting machine with automatic changing blade function
CN207198543U (en) * 2017-07-21 2018-04-06 重庆高铁计量检测有限公司 A kind of portable projection device
CN108198467A (en) * 2018-01-04 2018-06-22 佛山杰致信息科技有限公司 A kind of teaching projecting apparatus that teacher is facilitated to carry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI266946B (en) * 2005-03-09 2006-11-21 Coretronic Corp Elevating mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206258666U (en) * 2016-12-02 2017-06-16 永城职业学院 A kind of marketing portable projection device
CN107030772A (en) * 2017-04-08 2017-08-11 泉州泉港润美环保科技有限公司 A kind of paper tube cutting machine with automatic changing blade function
CN207198543U (en) * 2017-07-21 2018-04-06 重庆高铁计量检测有限公司 A kind of portable projection device
CN108198467A (en) * 2018-01-04 2018-06-22 佛山杰致信息科技有限公司 A kind of teaching projecting apparatus that teacher is facilitated to carry

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