CN204001590U - A kind of mobile lecture theater - Google Patents
A kind of mobile lecture theater Download PDFInfo
- Publication number
- CN204001590U CN204001590U CN201420214438.5U CN201420214438U CN204001590U CN 204001590 U CN204001590 U CN 204001590U CN 201420214438 U CN201420214438 U CN 201420214438U CN 204001590 U CN204001590 U CN 204001590U
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- ladder
- chair
- hinged
- chair legs
- desk
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Abstract
The utility model discloses a kind of mobile lecture theater, belong to teaching equipment field.This lecture theater comprises: telescopic multi-step, folding multiple desks and many chair, and multi-step comprises top layer ladder, bottom ladder and at least one the intermediate layer ladder between them; On adjacent ladder, correspondence is equipped with guide rail sliding chute, and the bottom of top layer ladder and intermediate layer ladder is provided with ball-screw nut, and screw mandrel is fixed on the ladder that is positioned at top in adjacent ladder, and nut is fixed on the ladder of below; Between adjacent ladder, be formed with interval, table leg and the ladder of desk are hinged, chair legs and the ladder of chair are hinged, multiple desks and many chair is arranged on every layer of ladder uniformly, and multiple desks and manyly can be accommodated in the interval of the adjacent ladder after contraction after chair is folding.The utility model launches by making ladder stretch out tables and chairs on level land, when lecture theater is used, when classroom, needs level land, the folding ladder of tables and chairs is regained, and tables and chairs are detachable.
Description
Technical field
The utility model relates to teaching equipment field, particularly a kind of mobile lecture theater.
Background technology
It is large that lecture theater has area, and galleryful is many, and floor is steppedly to raise gradually, even also can clearly see blackboard and dais away from the student at dais, and the feature not obstructed the view by front-seat student, and be widely used in each colleges and universities.
Research finds, the lecture theater of each colleges and universities is mainly used in classroom that the top class in a kindergarten (such as the classroom that surpasses hundred people) attends class or Conference Hall etc., and the tables and chairs at lecture theater are all supporting being fixed on each ladder conventionally.When needs lecture theater is used as level land, for example, as the indoor activity field on rainy day, due to the existence of ladder, lecture theater cannot meet the demands, and makes the function at lecture theater comparatively single.
Summary of the invention
In order to solve the problems referred to above in prior art, the utility model embodiment provides a kind of mobile lecture theater.Described technical scheme is as follows:
The utility model embodiment provides a kind of mobile lecture theater, described lecture theater comprises: telescopic multi-step, folding multiple desks and many chair, described multi-step comprise top layer ladder, bottom ladder and be located at described top layer ladder and described bottom ladder between at least one intermediate layer ladder;
On adjacent described ladder, correspondence is equipped with guide rail sliding chute, the bottom of described top layer ladder and described intermediate layer ladder is provided with ball-screw nut, described ball-screw nut comprises screw mandrel and nut, described screw mandrel is fixed on the described ladder that is positioned at top in adjacent described ladder, and described nut is fixed on the described ladder that is positioned at below in adjacent described ladder;
Between adjacent described ladder, be formed with interval, the table leg of described desk and described ladder are hinged, the chair legs of described chair and described ladder are hinged, desk and many described chair is arranged on every layer of described ladder uniformly described in multiple, and desk and manyly can be accommodated in the described interval of the adjacent described ladder after contraction after described chair is folding described in multiple.
Preferably, described bottom ladder comprises ladder panel and two gripper shoes being located at the relative both sides of described ladder panel, the bottom of the ladder panel of described bottom ladder is provided with tourelle, described tourelle comprises fixture and the spring of wheel, fixing described wheel, and described fixture is connected to the bottom of the ladder panel of described bottom ladder by spring.
Preferably, described intermediate layer ladder comprises ladder panel, be located at two gripper shoes of relative both sides of described ladder panel and many fixed supports being located at the opposite side of described ladder panel, and described many fixed supports are between described two gripper shoes.
Further, the table leg of described desk is hinged by the first articulated structure and described ladder, described the first articulated structure comprises base and the connector being arranged on described ladder, on described base, be fixed with two the first vertical U-shaped grooves, one end of described connector is provided with hole, described connector is by described borehole jack on described table leg, and the both sides of the other end of described connector are provided with bossing, and described bossing is fastened in two described the first U-shaped grooves.
Further, described desk comprises desktop and four table legs, and described table leg is located at four angles of described desktop, and described table leg and described desktop are hinged, and every described table midleg is connected through the hinge, and the described table leg after folding is positioned under described desktop.
Alternatively, described desk also comprises many head rods and second connecting rod, described many head rods are parallel to each other, described the second connecting rod is mutually vertical with described head rod, every described head rod connects two described table legs of the homonymy in the relative both sides of described desktop, two described table legs of the side in the relative both sides of another one that described the second connecting rod connects described desktop.
Alternatively, described desk also comprises two bearing diagonals of the relative both sides that are arranged on described desktop, described in each, bearing diagonal comprises two support bars and the fixed bar that is connected described two support bars, the middle part of every described support bar is hinged, one end of described support bar and described desktop are hinged, and the other end of described support bar and described head rod are hinged.
Further, the chair legs of described chair is hinged by the second articulated structure and described ladder, described the second articulated structure comprises two the second U-shaped grooves that are fixed on ladder, the top of described chair legs is provided with and the vertically disposed pin of described chair legs, and described pin card is in two described the second U-shaped grooves.
Further, described four chair legs are connected to four angles of described seat board, the both sides of the bottom surface of described seat board are provided with chute, two described chair legs in described four chair legs are slidably mounted in respectively in described chute, described in two other in described four chair legs, one end of chair legs is fixed on the bottom surface of described base plate, described in two other in described four chair legs, the other end of chair legs is hinged by described the second articulated structure and described ladder, the described chair legs in chute of being arranged on of homonymy is bolted with the centre position that is fixed on a described chair legs on the bottom surface of described seat board.
Alternatively, described lecture theater also comprises the motor for driving ball-screw nut to rotate, and the output shaft of described motor is connected with the leading screw of described ball-screw nut.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By a plurality of folding tables and chairs are set on telescopic multi-step, adjacent ladder is realized the flexible of each ladder by guide rail sliding chute and ball-screw nut, and can be accommodated in the interval of the adjacent ladder after contraction after a plurality of tables and chairs are folding, when needs lecture theater, on level land, making ladder stretch out tables and chairs launches, when classroom, needs level land, the folding ladder of tables and chairs can be regained, lecture theater is shrunk to an integral body as drawer-like, both met teaching demand, realized again the rationally effectively maximization of utilization and the utilization of resources in space, and this can have mobility in flexible lecture theater, practicality is more intense.Table leg is to be all connected with ladder by articulated structure with chair legs, desk and chair can be removed to independent use, also the tables and chairs that disassemble can be used in conjunction with, and to realize common classroom, uses very flexible.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 a is the structural representation at a kind of mobile lecture theater of providing of the utility model embodiment;
Fig. 1 b is the structural representation after a kind of mobile lecture theater that the utility model embodiment provides shrinks;
Fig. 2 is the structural representation of the ladder that provides of the utility model embodiment;
Fig. 2 a is the structural representation of the installation site of the ball-screw nut that provides of the utility model embodiment;
Fig. 2 b is the structural representation of the installation site of the fixed support that provides of the utility model embodiment;
Fig. 2 c is the structural representation of the tourelle that provides of the utility model embodiment;
Fig. 3 is the structural representation of the first articulated structure of providing of the utility model embodiment;
Fig. 4 is the second articulated structure of providing of the utility model embodiment and the structure for amplifying schematic diagram of chair legs junction;
Fig. 5 a is the structural representation that the desk that provides of the utility model embodiment launches;
Fig. 5 b is the structural representation of the desk that provides of the utility model embodiment in folding;
Fig. 5 c is the structural representation of the desk that provides of the utility model embodiment after folding;
Fig. 6 a is the structural representation that the chair that provides of the utility model embodiment launches;
Fig. 6 b is the structural representation of the chair that provides of the utility model embodiment after folding;
Fig. 6 c is the local structural representation amplifying of chair that the utility model embodiment provides.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of mobile lecture theater, referring to Fig. 1 a and Fig. 1 b, this lecture theater comprises: telescopic multi-step 1, folding multiple desks 2 and many chair 3, multi-step comprise top layer ladder 11, bottom ladder 12 and be located at top layer ladder 11 and bottom ladder 12 between at least one intermediate layer ladder 13.
On adjacent ladder, correspondence is equipped with guide rail sliding chute 14, the bottom of top layer ladder 11 and intermediate layer ladder 12 is provided with ball-screw nut 15, ball-screw nut 15 comprises screw mandrel 151 and nut 152, screw mandrel 151 is fixed on the ladder that is positioned at top in adjacent ladder, and nut 152 is fixed on the ladder that is positioned at below in adjacent ladder.
Between adjacent ladder, be formed with interval 1b, the table leg 21 of desk 2 is hinged with ladder 1, the chair legs 31 of chair 3 is hinged with ladder 1, multiple desks 2 and many chair 3 is arranged on every layer of ladder 1 uniformly, and multiple desks 2 and manyly can be accommodated in the interval 1b of the adjacent ladder 1 after contraction after chair 3 is folding.
The present embodiment be take the number of plies of ladder and is described as example as three layers.On every layer of ladder, evenly establish two desks and four chair, before every desk, establish two chairs.Device after contraction is identical with the size of the floor space of top layer ladder.
In conjunction with Fig. 2, top layer ladder 11 comprises ladder panel 111 and two gripper shoes 112 being located at the relative both sides of ladder panel 111, bottom ladder 12 comprises ladder panel 121 and two gripper shoes 122 being located at the relative both sides of ladder panel 121, and the gripper shoe 123 of being located at the other side of ladder panel 121, intermediate layer ladder comprises ladder panel 131 and two gripper shoes 132 being located at the relative both sides of ladder panel 131, between top layer ladder and intermediate layer ladder and between intermediate layer ladder and bottom ladder, has all formed interval.On top layer ladder 11, bottom ladder 12 and intermediate layer ladder 13, correspondence is provided with guide rail sliding chute 14.In conjunction with Fig. 2 a, on bottom ladder 12, be fixed with nut 152.
In conjunction with Fig. 2 b, on the opposite side 133 of intermediate layer ladder, many fixed supports 134 are installed, many fixed supports 134 are between two gripper shoes 132.Preferred fixed support is three support bars, and this fixed support contacts with ground, can guarantee the stability of intermediate layer ladder.
In conjunction with Fig. 2 c, the bottom 10 of the ladder panel 121 of bottom ladder 12 is provided with tourelle 124, tourelle 124 comprises wheel 1241, fixedly fixture 1242 and the spring 1243 of wheel 1241, and fixture 1242 is connected to the bottom 10 of the ladder panel 121 of bottom ladder 12 by spring 1243.Particularly, wheel 1241 can be connected by axle 124a with fixture 1242, so that wheel turns.Preferred wheel 1241 is four, is arranged on respectively four angles of bottom of the ladder panel of bottom ladder.This wheel is for reducing the friction of bottom ladder when flexible and between ground.When ladder is stressed, spring is compressed, and the supporting role of wheel disappears, and bottom ladder directly contacts with ground, realizes stable support.
In conjunction with Fig. 3, the table leg 21 of desk 2 is hinged with ladder 1 by the first articulated structure 4, the first articulated structure 4 comprises on the base 41 that is arranged on ladder and connector 42, base 41 and is fixed with two the first vertical U-shaped grooves 411, one end of connector 42 is provided with hole 421, connector 42 is enclosed within on table leg 21 by hole 421, the both sides of the other end of connector 42 are provided with protruding 422 parts, projection 422 parts of connector 42 are fastened in two the first U-shaped grooves 411, can make connector 42 in the interior rotation of the first U-shaped groove 411.When needs are fixed on ladder by desk, table leg is enclosed within connector, when needs are used desk separately, table leg is extracted in connector, very easy to use.Particularly, base can be arranged on ladder upper surface by bolt 41a.The first U-shaped groove can directly be welded on base.
When practical application, the interconnecting of two the first U-shaped grooves 411, and meanwhile to prevent that connector from rotating to interconnective this, thereby can limit the fold direction of table leg.
In conjunction with Fig. 4, the chair legs 31 of chair 3 is hinged with ladder 1 by the second articulated structure 5, the second articulated structure 5 comprises two the second U-shaped grooves 51 that are fixed on ladder, and the top of chair legs 31 is provided with and the vertically disposed pin 311 of chair legs 31, and pin 311 is stuck in the second U-shaped groove 51.Chair legs can realize and rotating on cascaded surface centered by the second U-shaped groove.When by chair legs when extracting in the second U-shaped groove, what chair also can be independent uses on level land.Like this, the desk disassembling and chair directly can also be used in conjunction with on level land, to realize common classroom.
It should be noted that, in other implementation, table leg also can adopt the second articulated structure and ladder hinged, and chair legs also can adopt the first articulated structure and ladder hinged.
In conjunction with Fig. 5 a to Fig. 5 c, desk 2 comprises desktop 22 and four table legs 21, and table leg 21 is located at four angles of desktop 22, table leg 21 is hinged with desktop 22, the middle part of every table leg 21 connects by hinge 23, and every table leg can be turned up for 22 from middle part to desktop, and the table leg 21 after folding is positioned at desktop 22 times.
Further, desk 2 also comprises many head rods 24 and second connecting rod 25, head rod 24 connects two table legs 21 of homonymy, many head rods 24 are parallel to each other, the second connecting rod 25 is mutually vertical with head rod 24, two table legs 21 of the side in the relative both sides of another one of two table legs, 21, the second connecting rods 25 connection desktops of the homonymy in the relative both sides of every head rod 24 connection desktops.Head rod and the second connecting rod all work to stablize table leg, and especially, when desk uses separately, head rod and the second connecting rod can guarantee that table leg does not expand outwardly, and then guarantee fastness and the durability of desk.
While realizing, the second connecting rod can be bolted on the articulated structure of two table legs and ladder, also can directly be fixed on two table legs.
Further, in conjunction with Fig. 5 a, desk 2 also comprises two bearing diagonals 26 of the relative both sides that are arranged on desktop, each bearing diagonal 26 comprises two support bars 261 and the fixed bar 262 that is connected two support bars 261, each bearing diagonal is H type, the middle part of every support bar 261 is hinged, and it is hinged that one end of support bar 261 is fixed on desktop 22, and the other end of support bar 261 and head rod 24 are hinged.Bearing diagonal rises and supports table leg, and the effect of the rotation of restriction table leg, after table leg is opened, can guarantee that table leg can not be disturbed easily and rotate, and when pressing the middle part of support bar, can make support bar be turned up with table leg.
In conjunction with Fig. 6 a, Fig. 6 b and Fig. 6 c, chair 3 comprises seat board 32, backrest 33 and four chair legs 31, seat board 32 is connected by rotating shaft 34 with backrest 33, article four, chair legs 31 is connected to four angles of seat board 32, the both sides of the bottom surface of seat board 32 are provided with chute 32a, article four, two chair legs 31a in chair legs are slidably mounted in respectively in chute 32a, article four, the one end of the two other chair legs 31b in chair legs is fixed on the bottom surface of base plate, article four, the other end of the two other chair legs 31b of chair legs is connected with ladder 1 by the second articulated structure 5, the chair legs 31a in chute of being arranged on of homonymy is connected by bolt 35 with the centre position that is fixed on a chair legs 31b on the bottom surface of base plate.
Alternatively, this lecture theater can also comprise for driving motor 6 (not shown) of ball wire work nut, the output shaft of this motor 6 is connected with the screw mandrel of ball-screw nut, and it drives the screw mandrel of ball wire work nut to rotate and then drives ladder 1 stretch out or regain.Particularly, can utilize positive and negative the transferring of motor to drive ladder stretch out or regain.While adopting driven by motor ladder, only need to switch on power, press the start button of motor, operate fairly simple.Hold intelligibly, in actual applications, also can manually realize stretching out and shrinking of ladder.
The utility model embodiment by arranging a plurality of folding tables and chairs on telescopic multi-step, adjacent ladder is realized the flexible of each ladder by guide rail sliding chute and ball-screw nut, and can be accommodated in the interval of the adjacent ladder after contraction after a plurality of tables and chairs are folding, when needs lecture theater, on level land, making ladder stretch out tables and chairs launches, when classroom, needs level land, the folding ladder of tables and chairs can be regained, the device of realizing lecture theater is shrunk to an integral body as drawer-like, both met teaching demand, realized again the rationally effectively maximization of utilization and the utilization of resources in space, and this can have mobility in flexible lecture theater, practicality is more intense.Table leg is to be all connected with ladder by articulated structure with chair legs, desk and chair can be removed to independent use, also the tables and chairs that disassemble can be used in conjunction with, and to realize common classroom, uses very flexible.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a mobile lecture theater, it is characterized in that, described lecture theater comprises: telescopic multi-step, folding multiple desks and many chair, described multi-step comprise top layer ladder, bottom ladder and be located at described top layer ladder and described bottom ladder between at least one intermediate layer ladder;
On adjacent described ladder, correspondence is equipped with guide rail sliding chute, the bottom of described top layer ladder and described intermediate layer ladder is provided with ball-screw nut, described ball-screw nut comprises screw mandrel and nut, described screw mandrel is fixed on the described ladder that is positioned at top in adjacent described ladder, and described nut is fixed on the described ladder that is positioned at below in adjacent described ladder;
Between adjacent described ladder, be formed with interval, the table leg of described desk and described ladder are hinged, the chair legs of described chair and described ladder are hinged, desk and many described chair is arranged on every layer of described ladder uniformly described in multiple, and desk and manyly can be accommodated in the described interval of the adjacent described ladder after contraction after described chair is folding described in multiple.
2. lecture theater according to claim 1, it is characterized in that, described bottom ladder comprises ladder panel and two gripper shoes being located at the relative both sides of described ladder panel, the bottom of the ladder panel of described bottom ladder is provided with tourelle, described tourelle comprises fixture and the spring of wheel, fixing described wheel, and described fixture is connected to the bottom of the ladder panel of described bottom ladder by spring.
3. lecture theater according to claim 1, it is characterized in that, described intermediate layer ladder comprises ladder panel, be located at two gripper shoes of relative both sides of described ladder panel and many fixed supports being located at the opposite side of described ladder panel, and described many fixed supports are between described two gripper shoes.
4. according to the lecture theater described in claim 1-3 any one, it is characterized in that, the table leg of described desk is hinged by the first articulated structure and described ladder, described the first articulated structure comprises base and the connector being arranged on described ladder, on described base, be fixed with two the first vertical U-shaped grooves, one end of described connector is provided with hole, described connector passes through described borehole jack on described table leg, the both sides of the other end of described connector are provided with bossing, and described bossing is fastened in two described the first U-shaped grooves.
5. lecture theater according to claim 4, it is characterized in that, described desk comprises desktop and four table legs, described table leg is located at four angles of described desktop, described table leg and described desktop are hinged, every described table midleg is connected through the hinge, and the described table leg after folding is positioned under described desktop.
6. lecture theater according to claim 5, it is characterized in that, described desk also comprises many head rods and second connecting rod, described many head rods are parallel to each other, described the second connecting rod is mutually vertical with described head rod, every described head rod connects two described table legs of the homonymy in the relative both sides of described desktop, two described table legs of the side in the relative both sides of another one that described the second connecting rod connects described desktop.
7. lecture theater according to claim 6, it is characterized in that, described desk also comprises two bearing diagonals of the relative both sides that are arranged on described desktop, described in each, bearing diagonal comprises two support bars and the fixed bar that is connected described two support bars, the middle part of every described support bar is hinged, one end of described support bar and described desktop are hinged, and the other end of described support bar and described head rod are hinged.
8. according to the lecture theater described in claim 1-3 any one, it is characterized in that, the chair legs of described chair is hinged by the second articulated structure and described ladder, described the second articulated structure comprises two the second U-shaped grooves that are fixed on ladder, the top of described chair legs is provided with and the vertically disposed pin of described chair legs, and described pin card is in two described the second U-shaped grooves.
9. lecture theater according to claim 8, it is characterized in that, described chair comprises seat board, backrest and four chair legs, described seat board is connected by rotating shaft with described backrest, described four chair legs are connected to four angles of described seat board, the both sides of the bottom surface of described seat board are provided with chute, two described chair legs in described four chair legs are slidably mounted in respectively in described chute, described in two other in described four chair legs, one end of chair legs is fixed on the bottom surface of described base plate, described in two other in described four chair legs, the other end of chair legs is hinged by described the second articulated structure and described ladder, the described chair legs in chute of being arranged on of homonymy is bolted with the centre position that is fixed on a described chair legs on the bottom surface of described base plate.
10. according to the lecture theater described in claim 1-3 any one, it is characterized in that, described desk and chair also comprises the motor for driving ball-screw nut to rotate, and the output shaft of described motor is connected with the leading screw of described ball-screw nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214438.5U CN204001590U (en) | 2014-04-29 | 2014-04-29 | A kind of mobile lecture theater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214438.5U CN204001590U (en) | 2014-04-29 | 2014-04-29 | A kind of mobile lecture theater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204001590U true CN204001590U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214438.5U Expired - Fee Related CN204001590U (en) | 2014-04-29 | 2014-04-29 | A kind of mobile lecture theater |
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| CN (1) | CN204001590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047409A (en) * | 2014-04-29 | 2014-09-17 | 江汉大学 | Movable terrace classroom |
| CN107035172A (en) * | 2017-04-09 | 2017-08-11 | 辽宁泓新科技成果转化服务有限公司 | A kind of utilization slideway combines the teaching classroom of multiple Folding desks and faldstool |
| CN107035171A (en) * | 2017-04-09 | 2017-08-11 | 辽宁泓新科技成果转化服务有限公司 | A kind of Telescopic movable teaching classroom |
-
2014
- 2014-04-29 CN CN201420214438.5U patent/CN204001590U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047409A (en) * | 2014-04-29 | 2014-09-17 | 江汉大学 | Movable terrace classroom |
| CN104047409B (en) * | 2014-04-29 | 2016-12-07 | 江汉大学 | A kind of mobile lecture theater |
| CN107035172A (en) * | 2017-04-09 | 2017-08-11 | 辽宁泓新科技成果转化服务有限公司 | A kind of utilization slideway combines the teaching classroom of multiple Folding desks and faldstool |
| CN107035171A (en) * | 2017-04-09 | 2017-08-11 | 辽宁泓新科技成果转化服务有限公司 | A kind of Telescopic movable teaching classroom |
| CN107035171B (en) * | 2017-04-09 | 2019-05-03 | 新昌县峰特年智能科技有限公司 | A kind of Telescopic movable teaching classroom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160429 |