CN209290025U - A kind of teaching aid has the intelligence of sound system that blackboard is adjusted - Google Patents

Abstract

The utility model discloses a kind of teaching aids to have the intelligence of sound system that blackboard is adjusted, including pedestal, lifting tube, support column and intelligent blackboard ontology, lifting tube is welded on the upside of pedestal, the inside of lifting tube is equipped with support column, the upper end of support column passes through lifting tube and is welded with intelligent blackboard ontology, the downside screw of intelligent blackboard ontology is fixed with speaker, the side of intelligent blackboard ontology is fixedly connected with power supply line, one end of power supply line is connected with attaching plug, support column is equipped with graduation apparatus far from the side of intelligent blackboard ontology, weld lockbox in the bottom end of support column, the corresponding two sides of lifting tube offer wears groove, the utility model can extract support column out out of lifting tube, promote blackboard height, when need to reduce blackboard height, rotational handle, and blackboard is raised again, the operation tightened without screw, reduce blackboard height-regulating The personnel requirement of process.

Description

A kind of teaching aid has the intelligence of sound system that blackboard is adjusted

Technical field

The utility model relates to the intelligent blackboards that a kind of teaching aid has sound system, belong to teaching equipment technical field.

Background technique

Intelligent blackboard is a revolutionary intelligent interaction teaching equipment, it collect a nanometer touch-control, liquid crystal display, host computer in One is carried professional teaching software, is functionally covered: touch-control interaction, multimedia teaching and chalk-writing, by conventional teaching Blackboard and appreciable interaction blackboard seamless interfacing, surface use nanometer anti-glare tempered glass, have dust-proof, waterproof, it is uprising, Protect the characteristics such as eyesight, meet teaching environment dusty, high safety protection, high frequencies of operation use demand, realize wisdom The breakthrough and innovation of interaction teaching device, existing intelligent blackboard fix bracket still in such a way that traditional screw is fixed, although The height of adjustable intelligent blackboard, but more people's operations are needed, when being lifted blackboard height, it is necessary to which disposable lifting in place, is lifted people Member holds in the palm always blackboard, and physical demands is huge, if accidentally dropping accidentally, results even in the case where blackboard damages.

Utility model content

A kind of teaching aid is provided the purpose of the utility model is to overcome the defect of the prior art sound system The adjustable blackboard of intelligence.

Realizing the technical solution of above-mentioned purpose is:

A kind of teaching aid has the intelligence of sound system to be adjusted blackboard, including pedestal, lifting tube, support column and intelligence are black Plate ontology, lifting tube is welded on the upside of the pedestal, and the inside of the lifting tube is equipped with support column, the upper end of the support column It is welded with intelligent blackboard ontology across lifting tube, the downside screw of the intelligent blackboard ontology is fixed with speaker, and the intelligence is black The side of plate ontology is fixedly connected with power supply line, and one end of the power supply line is connected with attaching plug, and the support column is far from intelligence Can the side of blackboard body be equipped with graduation apparatus, lockbox is welded in the bottom end of the support column, the corresponding two sides of the lifting tube It offers wears groove, the side of the wears groove and is located at lifting tube inner wall and is welded with several corner blocks, under the support column Side and be located in lifting tube and be equipped with slide plate, be bonded with resilient cushion above the slide plate, on the downside of the slide plate with lifting tube bottom wall Between be connected with No.1 spring, be equipped with bull stick in the lock box, the outer sheath of the bull stick is equipped with wide gear, the two of the bull stick End is each passed through lock box and is welded with handle, and the lock box bottom wall is welded with fixed block, and the corresponding two sides of the fixed block are welded It is connected to fixed link, the fixed link is arranged with lock pillar far from one end of fixed block, sliding chamber, the fixation are equipped in the lock pillar Be equipped with No. two springs between bar and sliding chamber, the outside of the lock pillar is arranged with narrow gear, the lock pillar far from fixed block one End offers inclined-plane.

As a kind of optimal technical scheme of the utility model, the section of the corner block is right angled triangle, several The corner block is arranged successively to form barb-shaped structure.

As a kind of optimal technical scheme of the utility model, the lock box is connect by shaft with bar rotation, described Bull stick and wide gear weld, and two narrow gears are welded with two lock pillars respectively.

As a kind of optimal technical scheme of the utility model, two narrow gears engage connection, institute with wide gear It states narrow gear and wide gear is located in different perpendiculars.

As a kind of optimal technical scheme of the utility model, the lock pillar passes through lock box, institute far from one end of fixed block The inner wall for stating lifting tube is connect with slide plate slides.

The beneficial effects of the utility model are: to have the intelligence of sound system to be adjusted black for a kind of teaching aid of the utility model Plate can extract support column out in use, blackboard is lifted by teacher or student from blackboard on both sides out of lifting tube, and it is high to promote blackboard Degree, when need to reduce blackboard height, rotational handle, and blackboard is raised again, without the operation that screw tightens, reduce blackboard The personnel requirement of height-regulating process in blackboard uphill process, can be supported step by step, reduce the physical fitness requirement of lifting process, have It is easy to adjust, the advantages of safety labor-saving.

Detailed description of the invention

Fig. 1 is the structure sectional view of a preferred embodiment；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the structural schematic diagram of a preferred embodiment lock pillar；

Fig. 4 is the connection schematic diagram of a preferred embodiment wide gear and narrow gear.

In figure: 1, pedestal；2, lifting tube；3, support column；4, intelligent blackboard ontology；5, graduation apparatus；6, speaker；7, power supply Line；8, attaching plug；9, wears groove；10, corner block；11, slide plate；12, resilient cushion；13, No.1 spring；14, lock box；15, handle； 16, bull stick；17, wide gear；18, fixed block；19, fixed link；20, lock pillar；21, sliding chamber；22, No. two springs；23, narrow gear； 24, inclined-plane.

Specific embodiment

Below in conjunction with attached drawing, the utility model is described in further detail.

Picture 1-4, a kind of teaching aid of the utility model has the intelligence of sound system that blackboard, including pedestal 1, liter is adjusted Cylinder 2, support column 3 and intelligent blackboard ontology 4 drop, and the upside of pedestal 1 is welded with lifting tube 2, and the inside of lifting tube 2 is equipped with support column 3, the upper end of support column 3 passes through lifting tube 2 and is welded with intelligent blackboard ontology 4, and the downside screw of intelligent blackboard ontology 4 is fixed with sound Case 6, the side of intelligent blackboard ontology 4 are fixedly connected with power supply line 7, and one end of power supply line 7 is connected with attaching plug 8, support column 3 Side far from intelligent blackboard ontology 4 is equipped with graduation apparatus 5, and lockbox 14 is welded in the bottom end of support column 3, and lifting tube 2 is corresponding Two sides offer wears groove 9, the side of wears groove 9 and are located at 2 inner wall of lifting tube and are welded with several corner blocks 10, support column 3 Lower section and it is located in lifting tube 2 and is equipped with slide plate 11, the top of slide plate 11 is bonded with resilient cushion 12,11 downside of slide plate and lifting tube 2 It is connected with No.1 spring 13 between bottom wall, bull stick 16 is equipped in lock box 14, the outer sheath of bull stick 16 is equipped with wide gear 17, bull stick 16 Both ends be each passed through lock box 14 and be welded with handle 15,14 bottom wall of lock box is welded with fixed block 18, fixed block 18 corresponding two Side is welded with fixed link 19, and the one end of fixed link 19 far from fixed block 18 is arranged with lock pillar 20, sliding chamber is equipped in lock pillar 20 21, No. two springs 22 are equipped between fixed link 19 and sliding chamber 21, the outside of lock pillar 20 is arranged with narrow gear 23, and lock pillar 20 is separate One end of fixed block 18 offers inclined-plane 24.

The section of corner block 10 is right angled triangle, and several corner blocks 10 are arranged successively to form barb-shaped structure, can be kept away Exempt from the whereabouts of lock box 14, lock box 14 is rotatablely connected by shaft and bull stick 16, and bull stick 16 and wide gear 17 weld, two narrow gear 23 It is welded respectively with two lock pillars 20, convenient for driving, two narrow gear 23 engages connection, narrow gear 23 and wide tooth with wide gear 17 Wheel 17 is located in different perpendiculars, so that bull stick 16 can move up and down in wears groove 9, the one end of lock pillar 20 far from fixed block 18 Across lock box 14, inner wall and the slide plate 11 of lifting tube 2 are slidably connected, and are easy to implement Anti-fall and pooling feature.

Specifically, wide gear 17 can drive two narrow gears 23 in use, rotational handle 15, can drive wide gear 17 to rotate Rotation, lock pillar 20 rotates with it, and can be changed the direction on inclined-plane 24, under service condition, handle 15 vertically downward, teacher or student from Blackboard is lifted by blackboard on both sides, can extract support column 3 out of lifting tube 2 out, promotes blackboard height, when lock box 14 rises, tiltedly Face 24 upward, can be compressed with the inclined side mutual extrusion of corner block 10, No. two springs 22, lock pillar 20 can be made to be set back in lock box 14 Interior, after reaching predetermined altitude, lock pillar 20 is in the gap of corner block 10, and No. two springs 22 can push lock pillar 20 to stretch out, due to Upwards, the flat face of lock pillar 20 is fitted in the upper side of corner block 10, plays supporting role, can prevent under blackboard on inclined-plane 24 It moves, rotational handle 15 enables inclined-plane 24 downward, and due to gravity, support column 3 will squeeze lock box 14, and two lock pillars 20 can be along oblique Retraction is pushed by quick in face 24, and at this moment support column 3 can drop down onto lowest part, and No.1 spring 13 and resilient cushion 12 can mitigate impact force, It avoids blackboard from damaging, then promotes blackboard again to needing height, the process which is turned up, the behaviour tightened without screw Make, reducing the personnel requirement that process is turned up in blackboard can be supported, reduce lifting process step by step in blackboard uphill process Physical fitness requirement has the advantages of easy to adjust, safety labor-saving.

Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of the utility model, because This all equivalent technical solution also should belong to the scope of the utility model, should be limited by each claim.

Claims (5)

1. a kind of teaching aid has the intelligence of sound system that blackboard, including pedestal (1), lifting tube (2), support column (3) is adjusted With intelligent blackboard ontology (4), which is characterized in that it is welded with lifting tube (2) on the upside of the pedestal (1), the lifting tube (2) Inside is equipped with support column (3), and the upper end of the support column (3) passes through lifting tube (2) and is welded with intelligent blackboard ontology (4), described The downside screw of intelligent blackboard ontology (4) is fixed with speaker (6), and the side of the intelligent blackboard ontology (4) is fixedly connected with electricity One end of source line (7), the power supply line (7) is connected with attaching plug (8), and the support column (3) is far from intelligent blackboard ontology (4) Side be equipped with graduation apparatus (5), lockbox (14) are welded in the bottom end of the support column (3), the lifting tube (2) corresponding two Side offers wears groove (9), the side of the wears groove (9) and be located at lifting tube (2) inner wall be welded with several corner blocks (10), The lower section of the support column (3) and it is located in lifting tube (2) and is equipped with slide plate (11), is bonded with damping above the slide plate (11) It pads (12), is connected with No.1 spring (13) between lifting tube (2) bottom wall on the downside of the slide plate (11), set in the lock box (14) Have bull stick (16), the outer sheath of the bull stick (16) is equipped with wide gear (17), and the both ends of the bull stick (16) are each passed through lock box (14) it is welded with handle (15), lock box (14) bottom wall is welded with fixed block (18), the fixed block (18) corresponding two Side is welded with fixed link (19), and the fixed link (19) is arranged with lock pillar (20) far from the one end of fixed block (18), described It is equipped in lock pillar (20) sliding chamber (21), No. two springs (22), the lock pillar is equipped between the fixed link (19) and sliding chamber (21) (20) outside is arranged with narrow gear (23), and the lock pillar (20) offers inclined-plane far from the one end of fixed block (18) (24)。

2. a kind of teaching aid according to claim 1 has the intelligence of sound system that blackboard is adjusted, which is characterized in that institute The section for stating corner block (10) is right angled triangle, and several corner blocks (10) are arranged successively to form barb-shaped structure.

3. a kind of teaching aid according to claim 1 has the intelligence of sound system that blackboard is adjusted, which is characterized in that institute It states lock box (14) to be rotatablely connected by shaft and bull stick (16), the bull stick (16) and wide gear (17) are welded, two described narrow Gear (23) is welded with two lock pillars (20) respectively.

4. a kind of teaching aid according to claim 1 has the intelligence of sound system that blackboard is adjusted, which is characterized in that two A narrow gear (23) engages connection with wide gear (17), and the narrow gear (23) and wide gear (17) are located at different vertical In plane.

5. a kind of teaching aid according to claim 1 has the intelligence of sound system that blackboard is adjusted, which is characterized in that institute It states lock pillar (20) and passes through lock box (14) far from the one end of fixed block (18), the inner wall of the lifting tube (2) and slide plate (11) are slided Connection.