CN203735704U - Teacher desk used for teaching - Google Patents
Teacher desk used for teaching Download PDFInfo
- Publication number
- CN203735704U CN203735704U CN201420094711.5U CN201420094711U CN203735704U CN 203735704 U CN203735704 U CN 203735704U CN 201420094711 U CN201420094711 U CN 201420094711U CN 203735704 U CN203735704 U CN 203735704U
- Authority
- CN
- China
- Prior art keywords
- desktop
- fixedly connected
- screw
- gripper shoe
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a teacher desk used for teaching. The teacher desk comprises four desk legs, the lower portion of each desk leg is connected with an idler wheel in a rotating mode, and a lifting rod is connected with one end, away from the corresponding idler wheel, of each desk leg in a sliding mode. A desktop is fixedly connected to the lifting rods. Multiple dustproof holes are formed throughout the desktop. A reinforcement rod is fixedly connected between every two adjacent desk legs, a sliding rail is arranged below the desktop and fixedly connected with the reinforcement rod, and a sliding chute is formed in the sliding rail. A supporting arm is connected to the bottom surface of the desktop in a rotating mode, penetrates through the sliding chute and is connected with a driving device which can drive the supporting arm to rotate.
Description
Technical field
The utility model relates to teaching aid technical field, relates to specifically a kind of desk for teaching.
Background technology
Teacher is saying class hour, lectern is most important teaching aid, existing lectern function singleness, lectern height can not regulate simultaneously, enable to regulate and also need manual adjustment, waste time and energy, the teacher that can not meet different heights uses, and often affects teaching effect and reduces personal image because height and lectern height do not mate.In addition, teacher read normally textbook is placed on desk when textbook or hand-held textbook to adjust the angle of textbook, textbook be placed directly on desk, can not make nature sight line and textbook perpendicular, have to excessively bow, in addition, long-time hand-held textbook can make arm ache and affect teaching efficiency.Existing desk has plenty of inclined-plane, but the angle of inclination on inclined-plane fix, can not facilitate adjusting angle.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, provides a kind of and can regulate height according to teacher's height, can regulate books placed angle, has the desk for teaching of dust reduction capability simultaneously.
For addressing the above problem, the utility model is by the following technical solutions: a kind of desk for teaching, comprise four table legs, the bottom of every table leg is rotatably connected to roller, one end away from roller on every table leg slidably connects elevating lever, on described elevating lever, be fixedly connected with desktop, described desktop is provided with several dustproof holes of running through desktop, between two adjacent table legs, be fixedly connected with reinforced pole, the below of desktop is provided with slide rail, slide rail is fixedly connected with reinforced pole, on slide rail, offer chute, on the bottom surface of desktop, be rotatably connected to support arm, support arm is connected with the drive unit that can drive support arm to rotate through chute,
Described desktop is provided with megaphone, is also provided with the microphone being electrically connected with megaphone on desktop;
Described drive unit comprises the motor being fixed on reinforced pole, on the output shaft of motor, be connected with ball-screw, described ball-screw comprises the leading screw being connected with electric machine rotation, on leading screw, be rotatably connected to mother lead screw, on mother lead screw, be fixedly connected with contiguous block, contiguous block is fixedly connected with the lower end of support arm;
On described desktop, be fixedly connected with vertical shaft, be rotatably connected to rotating shaft on vertical shaft, vertical shaft is provided with can be by the screw of tightening of rotating shaft and vertical shaft locking;
In rotating shaft, be fixedly connected with and be useful on the gripper shoe of placing books, one end away from rotating shaft in gripper shoe is fixedly connected with baffle plate, in gripper shoe, offer the groove for placing pen near the position of rotating shaft, gripper shoe is provided with the clamping plate for clamping page, clamping plate are connected with gripper shoe by screw rod, are provided with the second spring between the nut of described screw rod and clamping plate.
Below further improvement of the utility model:
Between described desktop and reinforced pole, be provided with the first spring.
The utility model adopts technique scheme, can realize the adjusting of height of table top, rotates by driven by motor leading screw, leading screw drives mother lead screw motion, mother lead screw drives support arm motion by contiguous block, and support arm drives desktop to move up and down, and completes the adjusting of height of table top; Books are placed in gripper shoe, and baffle plate is used for preventing books landing, and clamping plate are used for clamping page, and the setting of the second spring can make the tighter of book-page clip, by the angle of rotating shaft adjustable book and teacher's sight line; Dustproof hole on desktop, can effectively prevent the desktop of making dirty, conveniently sweeps; The student that the setting of megaphone and microphone can conveniently be sitting in diverse location can hear teacher's teaching content.
Be described further below in conjunction with accompanying drawing the technical solution of the utility model.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
In figure: 1-table leg; 2-elevating lever; 3-desktop; 4-slide rail; 5-motor; 6-support arm; 7-contiguous block; 8-mother lead screw; 9-leading screw; 10-chute; 11-the first spring; 12-vertical shaft; 13-rotating shaft; 14-tightens screw; 15-gripper shoe; 16-groove; 17-baffle plate; 18-clamping plate; 19-screw rod; 20-the second spring; 21-reinforced pole; 22-megaphone; 23-microphone; 24-roller; The 25-hole of preventing dust.
Detailed description of the invention
Embodiment, as shown in Figure 1, a kind of desk for teaching, comprise four table legs 1, the bottom of every table leg 1 is rotatably connected to roller 24, on every table leg 1, slidably connect elevating lever 2 away from one end of roller 24, on described elevating lever 2, be fixedly connected with desktop 3, described desktop 3 is provided with several dustproof holes 25 of running through desktop 3, chalk dust can drop on underground by dustproof hole 25, conveniently sweep, can effectively prevent the desktop of making dirty, between two adjacent table legs 1, be fixedly connected with reinforced pole 21, the below of desktop 3 is provided with slide rail 4, slide rail 4 is fixedly connected with reinforced pole 21, on slide rail 4, offer chute 10, on the bottom surface of desktop 3, be rotatably connected to support arm 6, support arm 6 is connected with the drive unit that can drive support arm 6 to rotate through chute 10.
Described desktop 3 is provided with megaphone 22, is also provided with the microphone 23 being electrically connected with megaphone 22 on desktop 3.
Described drive unit comprises the motor 5 being fixed on reinforced pole 21, on the output shaft of motor 5, be connected with ball-screw, described ball-screw comprises the leading screw 9 being rotationally connected with motor 5, on leading screw 9, be rotatably connected to mother lead screw 8, on mother lead screw 8, be fixedly connected with contiguous block 7, contiguous block 7 is fixedly connected with the lower end of support arm 6.Motor 5 drives leading screw 9 to rotate, and leading screw 9 drives mother lead screw 8 to move, and mother lead screw 8 drives support arm 6 to move by contiguous block 7, and support arm 6 drives desktop 3 to move up and down, and realizes the adjusting of desktop 3 height.
The setting that is provided with the first spring 11, the first springs 11 between described desktop 3 and reinforced pole 21 can be assisted desktop 3 returns.
On described desktop 3, be fixedly connected with vertical shaft 12, on vertical shaft 12, be rotatably connected to rotating shaft 13, vertical shaft 12 be provided with rotating shaft 13 and vertical shaft 12 can be locked tighten screw 14.
In rotating shaft 13, be fixedly connected with and be useful on the gripper shoe 15 of placing books, in gripper shoe 15, be fixedly connected with baffle plate 17 away from one end of rotating shaft 13, in gripper shoe 15, offer the groove 16 for placing pen near the position of rotating shaft 13, gripper shoe 15 is provided with the clamping plate 18 for clamping page, clamping plate 18 are connected with gripper shoe 15 by screw rod 19, are provided with the second spring 20 between the nut of described screw rod 19 and clamping plate 18.
When use, books are placed in gripper shoe 15, baffle plate 17 is for preventing books landing, and clamping plate 18 are for clamping page, and the setting of the second spring 20 can make the tighter of book-page clip; By the angle of rotating shaft 13 adjustable books and teacher's sight line.
Claims (2)
1. a desk for teaching, comprise four table legs (1), the bottom of every table leg (1) is rotatably connected to roller (24), every table leg (1) is upper slidably connects elevating lever (2) away from one end of roller (24), on described elevating lever (2), be fixedly connected with desktop (3), described desktop (3) is provided with several dustproof holes (25) of running through desktop (3), between adjacent two table legs (1), be fixedly connected with reinforced pole (21), the below of desktop (3) is provided with slide rail (4), slide rail (4) is fixedly connected with reinforced pole (21), on slide rail (4), offer chute (10), on the bottom surface of desktop (3), be rotatably connected to support arm (6), support arm (6) is connected with the drive unit that can drive support arm (6) to rotate through chute (10),
Described desktop (3) is provided with megaphone (22), is also provided with the microphone (23) being electrically connected with megaphone (22) on desktop (3);
Described drive unit comprises the motor (5) being fixed on reinforced pole (21), on the output shaft of motor (5), be connected with ball-screw, described ball-screw comprises the leading screw (9) being rotationally connected with motor (5), on leading screw (9), be rotatably connected to mother lead screw (8), on mother lead screw (8), be fixedly connected with contiguous block (7), contiguous block (7) is fixedly connected with the lower end of support arm (6);
On described desktop (3), be fixedly connected with vertical shaft (12), on vertical shaft (12), be rotatably connected to rotating shaft (13), vertical shaft (12) be provided with can be by the locking of rotating shaft (13) and vertical shaft (12) tighten screw (14);
In rotating shaft (13), be fixedly connected with and be useful on the gripper shoe (15) of placing books, gripper shoe (15) is upper is fixedly connected with baffle plate (17) away from one end of rotating shaft (13), the upper position near rotating shaft (13) of gripper shoe (15) offers the groove (16) for placing pen, gripper shoe (15) is provided with the clamping plate (18) for clamping page, clamping plate (18) are connected with gripper shoe (15) by screw rod (19), between the nut of described screw rod (19) and clamping plate (18), are provided with the second spring (20).
2. a kind of desk for teaching according to claim 1, is characterized in that: between described desktop (3) and reinforced pole (21), be provided with the first spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094711.5U CN203735704U (en) | 2014-02-24 | 2014-02-24 | Teacher desk used for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094711.5U CN203735704U (en) | 2014-02-24 | 2014-02-24 | Teacher desk used for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203735704U true CN203735704U (en) | 2014-07-30 |
Family
ID=51335591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094711.5U Expired - Fee Related CN203735704U (en) | 2014-02-24 | 2014-02-24 | Teacher desk used for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203735704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720324A (en) * | 2015-04-08 | 2015-06-24 | 南通理工学院 | Desk used for software teaching |
-
2014
- 2014-02-24 CN CN201420094711.5U patent/CN203735704U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720324A (en) * | 2015-04-08 | 2015-06-24 | 南通理工学院 | Desk used for software teaching |
| CN104720324B (en) * | 2015-04-08 | 2017-03-15 | 南通理工学院 | A kind of software teaching desk |
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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: 20140730 Termination date: 20150224 |
|
| EXPY | Termination of patent right or utility model |