CN209213359U - A kind of sub- display screen rotation adjustment device of multimedia teaching - Google Patents

A kind of sub- display screen rotation adjustment device of multimedia teaching Download PDF

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Publication number
CN209213359U
CN209213359U CN201821553186.3U CN201821553186U CN209213359U CN 209213359 U CN209213359 U CN 209213359U CN 201821553186 U CN201821553186 U CN 201821553186U CN 209213359 U CN209213359 U CN 209213359U
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China
Prior art keywords
shaft
mobile base
gear
sub
display screen
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Expired - Fee Related
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CN201821553186.3U
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Chinese (zh)
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董合作
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Individual
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Individual
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Abstract

The utility model discloses a kind of sub- display screen rotation adjustment devices of multimedia teaching, belong to teaching aid technical field, it solves current many electronic display positions to fix, the problem of tilt angle of electronic display can not being adjusted according to actual needs, teaching can be impacted in this way;Its technical characteristic is: including mobile base, shaft, electronic display and U-shaped bar, mobile base upper surface middle position is installed by shaft, the shaft and the mobile base are rotatablely connected, sleeve is welded and fixed in the shaft top, first gear is arranged in the shaft lower part, the shaft is connected through a screw thread with fixes sleeve, the utility model can be realized the flexible modulation to the tilt angle of electronic display, facilitate the teaching of teacher, and conveniently moving, when not needing be mobile, idler wheel can be packed up, ensure that the stability of mobile base.

Description

A kind of sub- display screen rotation adjustment device of multimedia teaching
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of sub- display screen rotation of multimedia teaching adjusts dress It sets.
Background technique
With the development of electronics technology, more advanced electronic display units are applied in the teaching of teacher, electricity Sub- display screen occupies a critically important ring in multimedia teaching, and teacher can help student more preferable by using electronic display Understanding knowledge point, to improve the learning efficiency of student, and enhance and interacting between student.
At present in how Ouyang Style teaching process, teacher need to allow different location student viewing to electronic display on Knowledge point, but many electronic display positions are fixed at present, it can not be according to actual needs to the inclination angle of electronic display Degree is adjusted, and can impact in this way to teaching, therefore it is proposed that a kind of sub- display screen rotation of multimedia teaching Modulation regulating device.
Summary of the invention
The purpose of this utility model is to provide a kind of sub- display screen rotation adjustment devices of multimedia teaching, including move Shaft, the shaft and institute are installed in dynamic pedestal, shaft, electronic display and U-shaped bar, mobile base upper surface middle position Mobile base rotation connection is stated, the shaft top is welded and fixed sleeve, and the shaft lower part is arranged first gear, and described first Second gear is set on the left of gear, and the second gear is rotatably installed in the mobile base, solid above the second gear Dingan County fills handle, and the shaft is connected through a screw thread with fixes sleeve, is fixed with solving many electronic display positions at present, no The tilt angle of electronic display can be adjusted according to actual needs, what can be impacted in this way to teaching asks Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of sub- display screen rotation adjustment device of multimedia teaching, including mobile base, shaft, electronic display and Shaft is installed in U-shaped bar, mobile base upper surface middle position, and the shaft and the mobile base are rotatablely connected, described Sleeve is welded and fixed in shaft top, and the shaft lower part is arranged first gear, second gear, institute is arranged on the left of the first gear It states second gear to be rotatably installed in the mobile base, is fixedly mounted handle above the second gear, the shaft and solid Determine sleeve to be connected through a screw thread.
As a further solution of the present invention: support rod, the support are arranged on the right side of the mobile base upper surface Bar is fixedly welded in mobile base, and the support rod is fixedly welded with the mobile base, and post upper welds U-shaped bar, The first gear right end is rotatablely connected electronic display, and guide rail, the guide rail are welded in electronic display left side wall top Inside installation hinged block, the hinged block are slidably connected with guide rail, and shown hinged block is fixedly connected with the fixes sleeve;It is described Anti-slip layer is installed in handle outer surface, and the material of anti-slip layer is butadiene-styrene rubber.
Work drive motor is fixedly mounted on the left of the mobile base upper surface as a further solution of the present invention, And output shaft is fixedly welded runner on the left of the work drive motor, the mobile base lower left is also provided with runner, the runner Between by transmission band connection, the symmetrical bolt in the mobile base lower surface is fixedly mounted two fixing seats, in the fixing seat Between position be horizontally disposed with screw rod, the fixing seat on screw rod right end rotation connection right side, and the left side is run through in the screw rod left end The fixing seat of side, and the screw rod left end is fixedly welded the runner.
Two sections of contrary external screw threads are symmetrical arranged on the screw rod as a further solution of the present invention, And sliding block is threadedly coupled on every section of external screw thread, the sliding block is located remotely from each other side and connects idler wheel, the idler wheel by hinge bar Connecting rod is fixedly welded far from the hinge bar side, and the connecting rod is far from the hinged fixing seat in described idler wheel one end.
A kind of multimedia education system, including the above-mentioned sub- display screen rotation adjustment device of multimedia teaching.
Compared with prior art, the utility model has the beneficial effects that the utility model can be realized to electronic display Tilt angle flexible modulation, facilitate the teaching of teacher, and conveniently moving, when not needing be mobile, rolling can be packed up Wheel, ensure that the stability of mobile base.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1 in the sub- display screen rotation adjustment device of multimedia teaching.
Fig. 2 is the partial enlargement diagram of A in Fig. 1.
Fig. 3 is the structural schematic diagram of embodiment 2 in the sub- display screen rotation adjustment device of multimedia teaching.
In figure: 1- mobile base, 2- shaft, 3- fixes sleeve, 4- hinged block, 5- electronic display, 6-U shape bar, 7- branch Strut, 8- handle, 9- first gear, 10- second gear, 11- guide rail, 12- work drive motor, 13- conveyer belt, 14- runner, 15- Fixing seat, 16- screw rod, 17- connecting rod, 18- sliding block, 19- idler wheel, 20- rack gear, 21- third gear.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1~2, in the utility model embodiment, a kind of sub- display screen rotation of multimedia teaching adjusts dress It sets, including mobile base 1, shaft 2, electronic display 5 and U-shaped bar 6,1 upper surface middle position of the mobile base installation turns Axis 2, the shaft 2 are rotatablely connected with the mobile base 1, and sleeve 3,2 lower part of shaft is welded and fixed in 2 top of shaft First gear 9 is set, second gear 10 is set on the left of the first gear 9, the second gear 10 is rotatably installed in the shifting On dynamic pedestal 1, handle 8 is fixedly mounted above the second gear 10, the rotation of handle 8 is able to drive the first gear 9 It is rotated with second gear 10, so that the first gear 9 drives the shaft 2 to rotate;
The shaft 2 is connected through a screw thread with fixes sleeve 3;
Support rod 7 is set on the right side of 1 upper surface of mobile base, the support rod 7 is fixedly welded in mobile base 1, The support rod 7 is fixedly welded with the mobile base 1, and U-shaped bar 6 is welded in 7 upper end of support rod, and 9 right end of first gear turns Guide rail 11 is welded on dynamic connection electronic display 5, the 5 left side wall top of electronic display, and installation is hinged inside the guide rail 11 Block 4, the hinged block 4 are slidably connected with guide rail 11, and shown hinged block 4 is fixedly connected with the fixes sleeve 3, the shaft 2 Rotation drives the fixes sleeve 3 to move up and down along shaft 2, and the fixes sleeve 3 is enabled to drive the hinged block 4 along institute The sliding of guide rail 11 is stated, to realize the purpose for adjusting 5 angle of electronic display;
Anti-slip layer is installed in 8 outer surface of handle, and the material of anti-slip layer is butadiene-styrene rubber;
Work drive motor 12 is fixedly mounted on the left of 1 upper surface of mobile base, work drive motor 12 is positive and negative rotation servo motor, And the 12 left side output shaft of work drive motor is fixedly welded runner 14,1 lower left of mobile base is also provided with runner 14, institute It states and is connected between runner 14 by conveyer belt 13;
Two fixing seats 15,15 middle position of fixing seat is fixedly mounted in the symmetrical bolt in 1 lower surface of mobile base Horizontally disposed screw rod 16, the fixing seat 15 on 16 right end of screw rod rotation connection right side, and 16 left end of the screw rod is through described The fixing seat 15 in left side, and 16 left end of the screw rod is fixedly welded the runner 14;
It is symmetrical arranged two sections of contrary external screw threads on the screw rod 16, and is threadedly coupled sliding block on every section of external screw thread 18, the sliding block 18 is located remotely from each other side and connects idler wheel 19 by hinge bar, and the idler wheel 19 is solid far from the hinge bar side Surely connecting rod 17 is welded, the connecting rod 17 is far from the hinged fixing seat 15 in described 19 one end of idler wheel;Start work drive motor 12, it is described Work drive motor 12 drives the runner 14 to rotate, and the runner 14 drives the screw rod 16 to rotate, to realize described in drive Sliding block 18 is along screw rod 16 is in the same direction or incorgruous sliding, to realize the folding and unfolding of idler wheel 19, thus when needing, mobile this is practical new In type, the flexible movement to the utility model can be realized.
Embodiment 2
Referring to Fig. 3, the fixes sleeve 3 is replaced with third gear 21, the third in the utility model embodiment Rack gear 20 is set on front side of gear 21, and rack gear 20 engages with third gear 21, the hinged hinged block 4 of 20 right end of rack gear, institute Stating the rotation of shaft 2 drives the third gear 21 to rotate, and then realizes and the rack gear 20 is driven to move left and right in the horizontal direction, Also it can be realized the flexible modulation to 5 tilt angle of electronic display, other structures are same as Example 1 in the present embodiment.
Embodiment 3
A kind of multimedia education system is adjusted comprising the sub- display screen rotation of multimedia teaching as described in example 1 above Regulating device.
The working principle of the utility model is: the rotation of handle 8 is able to drive the first gear 9 and second gear 10 Rotation, so that the first gear 9 drives the shaft 2 to rotate;The rotation of shaft 2 drives 3 edge of fixes sleeve Shaft 2 moves up and down, and enables to the fixes sleeve 3 that the hinged block 4 is driven to slide along the guide rail 11, to realize Adjust the purpose of 5 angle of electronic display;Start work drive motor 12, the work drive motor 12 drives 14 turns of the runner Dynamic, the runner 14 drives the screw rod 16 to rotate, and drives the sliding block 18 along screw rod 16 is in the same direction or incorgruous cunning to realize It is dynamic, so that the folding and unfolding of idler wheel 19 is realized, to can be realized when needing to move in the utility model to the utility model It is flexibly mobile;The utility model can be realized the flexible modulation of the tilt angle to electronic display 5, facilitate the teaching of teacher Work, and conveniently moving can pack up idler wheel 19, ensure that the stability of mobile base 1 when not needing be mobile.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the utility model and creates and simplify description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic." first ", " are defined as a result, Two " etc. feature can explicitly or implicitly include one or more of the features.It removes in the description of the present invention, Non- to be otherwise noted, the meaning of " plurality " is two or more.
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 sub- display screen rotation adjustment device of multimedia teaching, including mobile base (1), shaft (2), electronical display Shield (5) and U-shaped bar (6), shaft (2) are installed in mobile base (1) the upper surface middle position, the shaft (2) and the shifting Dynamic pedestal (1) rotation connection, shaft (2) top are welded and fixed sleeve (3), and first gear is arranged in shaft (2) lower part (9), second gear (10) are set on the left of the first gear (9), which is characterized in that the second gear (10) is rotatably installed in On the mobile base (1), handle (8) are fixedly mounted above the second gear (10), the shaft (2) and fixes sleeve (3) it is connected through a screw thread;
Support rod (7) are set on the right side of mobile base (1) upper surface, the support rod (7) is fixedly welded on mobile base (1) On, the support rod (7) is fixedly welded with the mobile base (1), and U-shaped bar (6) are welded in support rod (7) upper end, and described first Gear (9) right end is rotatablely connected electronic display (5), and guide rail (11) are welded on electronic display (5) the left side wall top, described Hinged block (4) are installed inside guide rail (11), the hinged block (4) is slidably connected with guide rail (11), shown hinged block (4) with it is described Fixes sleeve (3) is fixedly connected.
2. the sub- display screen rotation adjustment device of multimedia teaching according to claim 1, which is characterized in that described turn Anti-slip layer is installed in (8) outer surface.
3. the sub- display screen rotation adjustment device of multimedia teaching according to claim 2, which is characterized in that anti-slip layer Material be butadiene-styrene rubber.
4. the sub- display screen rotation adjustment device of multimedia teaching according to claim 1, which is characterized in that the shifting Work drive motor (12) are fixedly mounted on the left of dynamic pedestal (1) upper surface, and output shaft is fixedly welded on the left of the work drive motor (12) Runner (14), mobile base (1) lower left are also provided with runner (14), pass through conveyer belt (13) between the runner (14) Connection.
5. the sub- display screen rotation adjustment device of multimedia teaching according to claim 4, which is characterized in that the shifting Two fixing seats (15) are fixedly mounted in the dynamic symmetrical bolt in pedestal (1) lower surface, and fixing seat (15) middle position is horizontally disposed Screw rod (16), the fixing seat (15) on screw rod (16) right end rotation connection right side, and the screw rod (16) left end is through described The fixing seat (15) in left side, and the screw rod (16) left end is fixedly welded the runner (14).
6. the sub- display screen rotation adjustment device of multimedia teaching according to claim 5, which is characterized in that the silk It is symmetrical arranged two sections of contrary external screw threads on bar (16), and is threadedly coupled sliding block (18), the cunning on every section of external screw thread Block (18) is located remotely from each other side and connects idler wheel (19) by hinge bar, and the idler wheel (19) is far from the fixed weldering in the hinge bar side Connective pole (17), the connecting rod (17) is far from the hinged fixing seat (15) in the idler wheel (19) one end;Start work drive motor (12).
CN201821553186.3U 2018-09-22 2018-09-22 A kind of sub- display screen rotation adjustment device of multimedia teaching Expired - Fee Related CN209213359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821553186.3U CN209213359U (en) 2018-09-22 2018-09-22 A kind of sub- display screen rotation adjustment device of multimedia teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821553186.3U CN209213359U (en) 2018-09-22 2018-09-22 A kind of sub- display screen rotation adjustment device of multimedia teaching

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111468995A (en) * 2020-05-20 2020-07-31 安吉圆磨机械科技有限公司 Grinding machine for automatically grinding plane and knife edge at one time

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111468995A (en) * 2020-05-20 2020-07-31 安吉圆磨机械科技有限公司 Grinding machine for automatically grinding plane and knife edge at one time

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190806

Termination date: 20200922

CF01 Termination of patent right due to non-payment of annual fee