CN107307589B

CN107307589B - A kind of physics lectern with safe storage function

Info

Publication number: CN107307589B
Application number: CN201710445876.0A
Authority: CN
Inventors: 李东晓
Original assignee: Individual
Current assignee: Suzhou Guzhen Lianmeng Architectural Design Co ltd
Priority date: 2017-06-14
Filing date: 2017-06-14
Publication date: 2018-07-06
Anticipated expiration: 2037-06-14
Also published as: CN107307589A

Abstract

A kind of physics lectern with safe storage function effectively solves the safety issues such as the loss damage of inconvenience that Physical Experiment in the prior art gives lessons and experiment equipment；It includes desk body, and the lower part of desk body is embedded in below ground, and hutch is slidably connected in desk body, upper surface is flushed with ground when hutch is stood, desk body inner upper is equipped with drawer, is the first cavity between drawer and hutch, desk body upper surface is rotatably connected to chalk holder；The configuration of the present invention is simple, it is easy to use, the function of locker is integrated on lectern, can achieve the effect that unexpected, and hutch is hidden in underground, does not take up space, and is not easy to be found, and the possibility that equipment is lost greatly reduces；Teacher no longer needs to prepare too many experiment equipment when giving lessons, and can directly give lessons, improve efficiency of giving lessons.

Description

A kind of physics lectern with safe storage function

Technical field

The present invention relates to physical teaching aid technical fields, are said more particularly to a kind of physics with safe storage function Table.

Background technology

Physics is one critically important course of middle school student, since its content much needs to be explained with reference to material object, is needed A large amount of experiment is carried out to illustrate, so saying class hour, teacher be frequently necessary to prepare a large amount of experiment equipment or It is that student is allowed to give lessons to laboratory metal, thus brings many inconvenience, it can so all placed in many classrooms To store the locker of experiment equipment, for placing experiment equipment；And in order to ensure to be placed on the peace for teaching indoor experiment equipment Entirely, locker is usually locking, but still cannot be guaranteed the safety of these experiment equipments in this way, and make in more teacher Used time needs more keys to be opened, and very inconvenient, therefore, it is necessary to design a kind of completely new article-storage device to carry out Storage.

Invention content

For the above situation, to overcome the defect of the prior art, the purpose of the present invention is just to provide a kind of safety that carries and stores up The physics lectern of object function effectively solves inconvenience that Physical Experiment in the prior art gives lessons and the loss of experiment equipment The safety issues such as damage.

Its technical solution solved is that the present invention includes desk body, which is characterized in that the lower part of desk body is embedded in subsurface It is square, hutch is slidably connected in desk body, upper surface is flushed with ground when hutch is stood, and desk body inner upper is equipped with drawer, It is the first cavity between drawer and hutch, desk body upper surface is rotatably connected to chalk holder；

Desk body includes left plate and right plate, and multiple vertical sliding slots, hutch two are offered on left plate and right plate Side is extended with multiple slide bars, the structure that slide bar is slided up and down with sliding slot cooperation composition hutch in desk body, left plate and right side The trepanning being further opened on plate between sliding slot；

Interlayer is equipped in desk body above drawer, the first gear being rotatablely connected with chalk holder, first gear are equipped in interlayer Second gear is engaged with, second gear is coaxially connected with first bevel gear, and front-rear direction is fixed with first rotating shaft and in interlayer Two shafts, first rotating shaft are connect with the second shaft through chain, and first bevel gear is engaged with the second cone in first rotating shaft Gear forms rotation chalk holder control first rotating shaft and the structure of the second shaft rotation；

Drawstring is connected in first rotating shaft and the second shaft, drawstring is fixed on the two bottom sides of hutch across trepanning, It forms first rotating shaft rotation and the second shaft rotates the structure that hutch is drawn high after drawstring is wound.

Further, chalk holder is cylindrical shape, and chalk holder lower end is equipped with the vertical pivot that diameter is less than chalk holder diameter, vertical pivot warp One-way clutch bearing is connected with first gear.

Further, hutch both sides lower end is equipped with the groove between slide bar, and fixed pulling rope is equipped in groove Pull rod.

Further, the desk body back side is equipped with the second cavity after being located at drawer, and baffle is equipped between the second cavity and drawer, Arc bend is fixed in second cavity, flexible push rod is connected in arc bend, the length of flexible push rod is more than arc Baffle front end is stretched out at the length of bend, flexible push rod both ends, and flexible push rod upper end is sharp fusiform structure, and flexible push rod is soft after sliding Property push rod upper end be inserted into first gear in form flexible push rod prevent first gear rotate structure, the lower end of flexible push rod is equipped with It is spaced apart and respectively be located at baffle on front side of positive stop and the backstop on rear side of baffle, positive stop and backstop structure Into the structure of limitation flexible push rod activity thresholds position in arc bend.

Further, the tension spring that multiple ends are connect with flexible push rod is fixed in the second cavity, forming tension spring will be flexible The structure that push rod pulls downward on.

Further, drawer is equipped with lock.

Further, track length and trepanning length are equal to the height of hutch.

Further, it is fixed with pulley at left and right sides of interlayer.

The configuration of the present invention is simple, it is easy to use, the function of locker is integrated on lectern, can be reached unexpected Effect, and hutch is hidden in underground, does not take up space, and is not easy to be found, the possibility that equipment is lost greatly reduces；It gives lessons When teacher no longer need to prepare too many experiment equipment, can directly give lessons, improve efficiency of giving lessons.

Description of the drawings

Fig. 1 is the integrally-built schematic diagram of the present invention.

Fig. 2 is the schematic front view of part on the ground of the invention.

Fig. 3 is that hutch of the present invention draws high the structure diagram onto ground.

Fig. 4 is the vertical view in interlayer of the present invention.

Fig. 5 is the stereochemical structure partial schematic diagram of left plate of the present invention.

Fig. 6 is the stereochemical structure partial schematic diagram of hutch of the present invention.

Side sectional view when Fig. 7 is static condition of the present invention.

Fig. 8 is the side sectional view when present invention draws high hutch.

Fig. 9 is the dimensional structure diagram of chalk holder of the present invention.

Figure 10 is the attachment structure schematic diagram of vertical pivot of the present invention and first gear.

Specific embodiment

The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing.

Embodiment 1：

By Fig. 1 to Figure 10 it is found that a kind of physics lectern with safe storage function, including desk body 2, the lower part of desk body 2 Divide and be embedded in 1 lower section of ground, slidably connect hutch 6 in desk body 2, upper surface is flushed with ground 1 when hutch 6 is stood, desk body 2 Inner upper is equipped with drawer 3, is the first cavity 31 between drawer 3 and hutch 6,2 upper surface of desk body is rotatably connected to chalk holder 5；There is drawer 3 on lectern, can store some articles of giving lessons, such as the drawing tools such as ruler, chalk for not breaking a seal etc., desk body 2 Chalk can be placed in the chalk holder 5 of upper surface so that teacher to be facilitated to use, in the hutch 6 below ground 1, can be placed not It is common but may use and article costly, such as experiment equipment of physics lesson etc., place it in hutch 6 It is interior, space is not take up, and be not easy to be found, during as there is a situation where stealing, burglar can not have found hutch 6, it is ensured that The safety of experiment equipment in hutch 6, avoids property loss.

Desk body 2 includes left plate 7 and right plate 8, and multiple vertical sliding slots 26 are offered on left plate 7 and right plate 8, stores up It hides 6 both sides of case and is extended with multiple slide bars 28, the knot that slide bar 28 is slided up and down with the cooperation composition hutch 6 of sliding slot 26 in desk body 2 The trepanning 27 being further opened on structure, left plate 7 and right plate 8 between sliding slot 26；Hutch 6 and left plate 7 and right plate 8 It is slidably connected, when not in use slides into hutch 6 under ground 1, during using equipment in it, by hutch 6 from left plate 7 It is skidded off in right plate 8, it is very convenient.

3 top of drawer is equipped with interlayer 9 in desk body 2, and the first gear 10 being rotatablely connected with chalk holder 5 is equipped in interlayer 9, the One gear 10 is engaged with second gear 11, and second gear 11 is coaxially connected with first bevel gear 12, and front-rear direction is fixed in interlayer 9 There is 14 and second shaft 15 of first rotating shaft, first rotating shaft 14 is connect with the second shaft 15 through chain 16, and first bevel gear 12 engages There is the second bevel gear 13 in first rotating shaft 14, form rotation chalk holder 5 and control 14 and second shaft 15 of first rotating shaft The structure of rotation is connected with drawstring 17 in 14 and second shaft 15 of first rotating shaft, and drawstring 17 is fixed on storage across trepanning 27 The two bottom sides of case 6, form the rotation of first rotating shaft 14 and the second shaft 15 rotates the knot that hutch 6 is drawn high after drawstring 17 is wound Structure.It is provided that in interlayer 9 and operates the device that hutch 6 rises, rotation chalk holder 5, the drive of first gear 10 second gear 11, First bevel gear 12 and second bevel gear 13 rotate, and rotate so as to 14 and second shaft 15 of first rotating shaft, first rotating shaft 14 and the Affixed drawstring 17 starts winding tightening in two shafts 15, and so as to which hutch 6 be drawn high, drawstring 17 is distributed on the two of hutch 6 Side makes it keep balance, keeps stablizing during raising and lowering.

In this embodiment, chalk holder 5 is cylindrical shape, and 5 lower end of chalk holder is equipped with the vertical pivot that diameter is less than 5 diameter of chalk holder 19, vertical pivot 19 is connected through one-way clutch bearing and first gear 10.Chalk holder 5 is arranged to cylindrical shape, is more convenient to turn Dynamic, vertical pivot 19 is rotatablely connected with 1 upper surface of desk body, and chalk holder 5 is fixed on 1 upper surface of desk body, and one-way clutch bearing Chalk holder 5 can be made to keep one-directional rotation connection with first gear 10, drawstring 17 can be received when first gear 10 rotates forward Tightly, first gear 10 does not rotate when rotating backward chalk holder 5, will not be totally released drawstring 17, ensures it in first rotating shaft 14 On winding will not fall off.

In this embodiment, 6 both sides lower end of hutch is equipped with the groove 29 between slide bar 28, is equipped in groove 29 The pull rod 30 of fixed pulling rope 17.Pull rod 30 is more fastened in order to which drawstring 17 is made to be connect with hutch 6, and is dismounted more square Just.

In this embodiment, there are two types of functions for present invention tool, can work as common lectern and use, can also make as locker With, realia used in everyday can be placed in drawer 3, and it is more valuable and will not be through that some can be placed in hutch 6 Commonly used teaching article；When using function of containing articles, chalk holder 5 is rotated, hutch 6 from 1 lower section of ground is elevated, is taken Article therein is put, hutch 6 is located at 1 lower section of ground when not in use, has extremely strong concealment, it is not easy to it is found, it can The article placed in it is protected well.

Embodiment 2：

On the basis of embodiment, 2 back side of desk body is equipped with the second cavity 32 after being located at drawer 3, and the second cavity 32 is with taking out Baffle 25 is equipped between drawer 3, arc bend 20, opening of 20 upper end of arc bend on baffle 25 are fixed in the second cavity 32 Position face first gear 10, aperture position of 20 lower end of arc bend on baffle 25 are located at the rear of drawer 3, arc bend Flexible push rod 21 is connected in 20, the length of flexible push rod 21 is more than the length of arc bend 20, i.e. flexible push rod 21 begins The outer end of arc bend 20 is stretched out eventually, and 25 front end of baffle is stretched out at 21 both ends of flexible push rod, and 21 upper end of flexible push rod is cusped edge shape knot Structure, 21 upper end of flexible push rod is inserted into first gear 10 so that first gear 10 no longer rotates after flexible push rod 21 is slided, That is flexible push rod 21 plays the role of locked first gear 10 and rotates, the lower end of flexible push rod 21 be equipped with it is spaced apart and The position of the positive stop 23 and the backstop 24 positioned at 25 rear side of baffle for being located at 25 front side of baffle respectively, positive stop 23 and backstop 24 The extreme position for being determined that flexible push rod 21 is movable in arc bend 20 is put, when drawer 3 is extracted out, 21 lower end of flexible push rod can To stretch out the outside of arc bend 20, upper end and the first gear 10 of flexible push rod 21 are detached from so that first gear 10 can turn It is dynamic, hutch 6 can be drawn high to the operation for carrying out picking and placeing article, after drawer 3 playbacks, drawer 3 from 1 lower section of ground at this time Flexible push rod 21 is withstood in inner end makes it be recovered in arc bend 20, and the upper end of flexible push rod 21 is inserted into first gear 10 at this time It is interior, first gear 10 is prevented to rotate, you can to fix the position of hutch 6.

In this embodiment, the tension spring 22 that multiple ends are connect with flexible push rod 21, tension spring are fixed in the second cavity 32 22 always pull downwards flexible push rod 21, that is, when pulling out drawer 3, flexible push rod 21 can stretch out arc under the action of tension spring 22 The lower ending opening of shape bend 20 can be such that the upper end of flexible push rod 21 is smoothly disengaged with first gear 10, convenient to hutch 6 It is operated.

In this embodiment, drawer 3 is equipped with lock 4.The effect of lock 4 is further reinforcement safety, is normally being awarded Lock 4 is not locked again when interval of giving lessons is larger, to protect property safety to 4 locking of lock in the class phase.

Embodiment 3：

On the basis of embodiment 1,26 length of sliding slot and 27 length of trepanning are equal to the height of hutch 6.Hutch 6 can Sliding slot 26 and trepanning 27 are covered, makes it that can not find sliding slot 26 and the presence of trepanning 27 from external, i.e. external staff can not have found The presence of hutch 6 can more preferably hide hutch 6.

Embodiment 4：

On the basis of embodiment 1,9 left and right sides of interlayer is fixed with pulley 18.Drawstring 17 bypasses pulley 18, reduces drawstring Damage during 17 friction, prolongs the service life.

To sum up, in embodiment 1-4, in the use of the present invention, it should be understood that the position of hutch 6, it is also necessary to know each A step could correctly draw high hutch 6 from 1 lower section of ground, and first, people out of the picture can not have found to store The position of case 6 from outside without weak point, conceals hutch 6, it is made to be not easy to be found well；Second, it is known that hutch Want to be raised up in 6 position, it is necessary to know the method for operation rotates chalk holder 5 and raises up hutch 6, and powder The one-directional rotation that pencil box 5 is set, only accurately rotation could pull up hutch 6；Third, it is desirable to chalk holder 5 is rotated, it must Drawer 3 need to be pulled open, under in the case that drawer 3 is not switched on, flexible push rod 21 blocks first gear 10 always, makes it that can not turn Dynamic, chalk holder 5 can only can not be raised up hutch 6 by drawstring 17 to rotating backward at this time；4th, it raises up After hutch 6, it is also necessary to which fixed hutch 6 under normal circumstances, chalk holder 5 is rotated when opening drawer 3, can be by drawer 3 always In open state, not will recognize that can fix the position of hutch 6 after drawer 3 is closed, and not know this step Under the premise of rapid, common people can control chalk holder 5 not rotate, and article then be taken out out of hutch 6, but to complete this behaviour Making, a people can not complete, and under the premise of proficiency controls chalk holder 5, article is also taken out out of hutch 6, this A operation is undoubtedly cannot stand；5th, with lock 4 on drawer 3, it is placed in the drawer 3 that external staff can artificially lock expensive Heavy articles after its opening after no discovery, can guide it to abandon continually looking for, if its violence damage drawer 3, that wants again The position of fixed hutch 6 will be unable to realize；So want to take out article out of hutch 6, it is necessary to know whole methods.

Its accurate method is：Drawer 3 is opened, rotates forward chalk holder 5, after hutch 6 rises to suitable position, It pushes back drawer 3 to fix the position of hutch 6, can carry out picking and placeing the operation of article at this time.

The configuration of the present invention is simple, safe, teacher, which gives lessons not needing to give lessons every time, all carries a large amount of Physical Experiment device Material mitigates the burden of teacher, avoid teacher because forget take experiment equipment due to reduce teaching quality, improve efficiency of giving lessons, and energy The safety of enough properties of protection well avoids the loss of experiment equipment, reduces property loss, and the influence of teaching quality will be dropped To minimum.

Claims

1. a kind of physics lectern with safe storage function, including desk body（2）, which is characterized in that desk body（2）Lower part bury On ground（1）Lower section, desk body（2）Inside slidably connect hutch（6）, hutch（6）Upper surface and ground during standing（1）Together It is flat, desk body（2）Inner upper is equipped with drawer（3）, drawer（3）With hutch（6）Between be the first cavity（31）, desk body（2）On Surface pivots are connected with chalk holder（5）；

Desk body（2）Including left plate（7）And right plate（8）, left plate（7）And right plate（8）On offer multiple vertical cunnings Slot（26）, hutch（6）Both sides are extended with multiple slide bars（28）, slide bar（28）With sliding slot（26）Cooperation forms hutch（6） Desk body（2）The structure inside slided up and down, left plate（7）And right plate（8）On be further opened be located at sliding slot（26）Between trepanning （27）；

Desk body（2）Interior drawer（3）Top is equipped with interlayer（9）, interlayer（9）It is inside equipped with and chalk holder（5）First tooth of rotation connection Wheel（10）, first gear（10）It is engaged with second gear（11）, second gear（11）It is coaxially connected with first bevel gear（12）, folder Layer（9）Interior front-rear direction is fixed with first rotating shaft（14）With the second shaft（15）, first rotating shaft（14）With the second shaft（15）Through Chain（16）Connection, first bevel gear（12）It is engaged with mounted on first rotating shaft（14）On second bevel gear（13）, form and turn Dynamic chalk holder（5）Control first rotating shaft（14）With the second shaft（15）The structure of rotation；

First rotating shaft（14）With the second shaft（15）On be connected with drawstring（17）, drawstring（17）Across trepanning（27）It is fixed on storage Hide case（6）Two bottom sides, form first rotating shaft（14）Rotation and the second shaft（15）It rotates drawstring（17）It is drawn high after winding Hutch（6）Structure.

A kind of 2. physics lectern with safe storage function according to claim 1, which is characterized in that the chalk Box（5）For cylindrical shape, chalk holder（5）Lower end is equipped with diameter and is less than chalk holder（5）The vertical pivot of diameter（19）, vertical pivot（19）Through unidirectional Clutch bearing and first gear（10）It is connected.

A kind of 3. physics lectern with safe storage function according to claim 1, which is characterized in that the storage Case（6）Both sides lower end, which is equipped with, is located at slide bar（28）Between groove（29）, groove（29）Fixed pulling rope is inside installed（17）Drawing Bar（30）.

A kind of 4. physics lectern with safe storage function according to claim 1, which is characterized in that the desk body （2）The back side, which is equipped with, is located at drawer（3）The second cavity afterwards（32）, the second cavity（32）With drawer（3）Between be equipped with baffle（25）, Second cavity（32）Inside it is fixed with arc bend（20）, arc bend（20）Inside it is connected with flexible push rod（21）, flexibility pushes away Bar（21）Length be more than arc bend（20）Length, flexible push rod（21）Baffle is stretched out at both ends（25）Front end, flexible push rod （21）Upper end is sharp fusiform structure, flexible push rod（21）Flexible push rod after slip（21）First gear is inserted into upper end（10）Interior composition Flexible push rod（21）Prevent first gear（10）The structure of rotation, flexible push rod（21）Lower end be equipped with it is spaced apart and point It Wei Yu not baffle（25）The positive stop of front side（23）With positioned at baffle（25）The backstop of rear side（24）, positive stop（23）With rear gear Block（24）It is construed as limiting flexible push rod（21）In arc bend（20）The structure of interior activity thresholds position.

A kind of 5. physics lectern with safe storage function according to claim 4, which is characterized in that described second Cavity（32）Inside it is fixed with multiple ends and flexible push rod（21）The tension spring of connection（22）, form tension spring（22）By flexible push rod （21）The structure pulled downward on.

A kind of 6. physics lectern with safe storage function according to claim 1, which is characterized in that the drawer （3）It is equipped with lock（4）.

A kind of 7. physics lectern with safe storage function according to claim 1, which is characterized in that the sliding slot （26）Length and trepanning（27）Length is equal to hutch（6）Height.

A kind of 8. physics lectern with safe storage function according to claim 1, which is characterized in that the interlayer （9）The left and right sides is fixed with pulley（18）.