CN106419085A - Teaching platform table capable of lifting based on gears and rack - Google Patents

Abstract

The invention discloses a teaching platform table capable of lifting based on gears and a rack. The teaching platform table comprises a teaching platform table surface and a supporting rod, wherein the supporting rod is telescopic, and a lifting mechanism capable of adjusting the height is arranged on the supporting rod; the lifting mechanism comprises the rack, a transmission gear and a driving gear; the transmission gear and the driving gear are fixed to the supporting rod; a rocker is arranged on the driving gear, and a plurality of locking holes into which a pin can be inserted to lock the driving gear are formed in the driving gear; an I-shaped foot plate is arranged at the bottom end of the supporting rod; rollers are arranged at four ends of the foot plate. Through arrangement of the lifting mechanism, the height of the supporting rod can be adjusted flexibly; the teaching platform table is steady in transmission, good in mechanical performance and high in stability; through arrangement of the four rollers, the teaching platform table can be conveniently and flexibly moved, so that requirements on moving teaching of a teacher, teaching interaction and the like during current classroom teaching can be met; the teaching platform table is simple, practical and high in practicality, thereby being worth of wide popularization.

Description

Podium table based on rack and pinion lift

technical field

The invention relates to the technical field of teaching facilities, in particular to a podium table that is lifted and lowered based on a rack and pinion.

Background technique

With the acceleration of investment in modern education, more and more areas have begun to pay attention to primary and secondary education, and the podium table is generally placed on the teacher's podium for the teacher to put textbooks, chalk and other teaching utensils in class. It is the most basic in school teaching. One of the teaching aids. At present, most of the teachers are fixed podium tables, as shown in Figure 2, mainly composed of a base, a support rod, and a podium table top. The podium table can be moved, which is inconvenient and laborious, and cannot meet the needs of flexible teaching. At the same time, the height of the support rod is not adjustable, which cannot fully take into account the factors of the teacher's height. When a tall teacher is giving a lecture, he has to bow his head and look at it The textbooks on the podium table may cause cervical spondylosis if it is done for a long time. If a short teacher takes the chalk and other items placed on the podium table, he needs to stand on tiptoe or borrow auxiliary tools to achieve it, which is extremely inconvenient and laborious; second, The desktop of the podium is just a fixed desktop, which cannot meet the teaching requirements of close-distance teaching and guidance or the need to cooperate with hanging materials. It has a single function and poor practicability.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a podium table that can be moved conveniently and labor-savingly, and the height of the podium table can be flexibly adjusted based on the rack and pinion.

In order to achieve the above object, the technical scheme that the present invention takes:

The podium table based on rack and pinion lifting includes a podium table top and a support rod arranged under the podium table top. The support rod is telescopic and is provided with a height-adjustable lifting mechanism. A rack on one side of the support rod that can move up and down, one side of the rack is provided with a transmission gear meshing with it, and one side of the transmission gear is provided with a driving gear meshing with it, and the transmission gear and the driving gear are fixed On the support rod, the drive gear is provided with a rocker, and there are several locking holes through which pins can be inserted to lock the drive gear. The bottom end of the support plate is provided with an "I"-shaped The foot plate is provided with rollers at four ends of the foot plate.

As an optimal technical solution, in order to meet the teaching requirements for close-distance teaching and guidance or the need to cooperate with hanging materials, it has multi-functional performance and improves the practicability of the podium table. A groove is provided at the bottom of the podium table, and a simple Blackboard, and the rear side of the podium desktop is provided with a card slot that can vertically fix the simple blackboard.

As an optimal technical solution, in order to ensure that when the simple blackboard hangs the materials, the materials can be firmly held in the card slot, thereby improving the efficiency of teaching and the practicability of the podium table, the card slot is provided with all input pins.

As an optimal technical solution, in order to make the podium desktop have the functions of storage and dust collection, and at the same time ensure the cleanliness and comfort of the podium desktop, the podium desktop includes left and right desktops. There is a drawer for sundries.

As an optimal technical solution, in order to make full use of the space and facilitate taking out the contents of the drawer under the slide board, which is conducive to improving the practicability of the podium table as a whole, a slideway is provided in the left table top to allow the slide board to slide to the left table top.

As an optimal technical solution, in order to flexibly and conveniently pull out the slide board or drawer, and quickly pick up items, which is conducive to the smooth progress of teaching, pull rings are provided on one side of the slide board and the drawer.

As an optimal technical solution, in order to meet the teaching needs of the teacher's classroom and effectively utilize the space of the desk, the front side of the desk is provided with a through hole for placing a pointer.

As an optimal technical solution, in order to prevent the rack from moving out of the bottom end of the support rod and keep the movement range of the rack within controllability, a limit block is provided at the bottom end of the support rod.

Compared with the prior art, the present invention has the beneficial effects:

1. There is a lifting mechanism on the support rod, which can change the existing defect that the height is fixed and cannot be adjusted. The height of the support rod can be adjusted flexibly through the meshing of the rack and the gear, and the transmission is stable, the mechanism performance is good, and the stability is high; the support rod There are four rollers at the bottom, which can change the defect that the existing podium table can only be moved by handling, and can move the podium table flexibly and conveniently, meeting the requirements of current classroom teaching teachers for mobile lectures and teaching interaction, etc., simple and practical.

2. The desktop of the podium is set scientifically and reasonably, changing the existing structure with only one fixed desktop, and adding a simple blackboard that can hang materials or teach at close distances to meet the teaching requirements for teaching at close distances or hanging materials. The skateboards and drawers make effective use of the podium and desk space as much as possible. It has multiple functions and good practicability.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of existing podium table;

Reference numerals: 1, podium desktop, 1-1, groove, 1-2, simple blackboard, 1-3, card slot, 1-4, left desktop, 1-5, right desktop, 1-6, skateboard, 1-7, drawer, 1-8, slideway, 1-9, cut-in pin, 1-10, through hole, 2, support rod, 2-1, limit block, 3, lifting mechanism, 3-1, tooth Bar, 3-2, transmission gear, 3-3, drive gear, 3-4, rocking bar, 3-5, locking hole, 4, foot plate, 5, roller.

detailed description

Propose a kind of specific embodiment of the present invention as shown in Figure 1, the podium table based on rack and pinion lifting, comprises the podium desktop 1 that is cuboid, is located at the support bar 2 under podium desktop 1, and described support bar 2 can be Telescopic and height-adjustable elevating mechanism 3 is arranged on it, and said elevating mechanism 3 includes a rack 3-1 vertically arranged on one side of the support rod 2 and capable of moving up and down. There is a chute for moving the rack 3-1 up and down, the rack 3-1 is provided with a transmission gear 3-2 meshing with it, and the transmission gear 3-2 is provided with a driving gear meshing with it 3-3, and transmission gear 3-2, drive gear 3-3 are all fixed on the support bar 2, described drive gear 3-3 is provided with rocker 3-4, and is also provided with several insertable The pin locks the locking holes 3-5 of the driving gear 3-3. In this embodiment, the number of locking holes is 6, and the bottom end of the support plate 2 is provided with a foot plate 4 in the shape of an "I". The four ends of the foot plate 4 are provided with rollers 5. The present embodiment sets the rollers 5 as universal wheels to ensure that they can move flexibly in all directions. A steel wire rope is connected between the two rollers 5 on the same side, and the steel rope is provided with a stop roller 5. Rolling foot brake.

The bottom of the podium desktop 1 is provided with a groove 1-1, and a simple blackboard 1-2 is installed in the groove 1-1, and the rear side of the podium desktop 1 is provided with a card that can vertically fix the simple blackboard 1-2. Slot 1-3, the simple blackboard 1-2 can be fixed in the card slot 1-3 to meet the requirements of close-distance tutoring and teaching, or the simple blackboard 1-2 can hang drawings or other materials in the card slot 1-3 to meet the needs In line with the teaching requirements of hanging materials, it has multi-functional performance and improves the practicability of the podium table.

Described draw-in groove 1-3 is provided with all input pins 1-9, in order to guarantee that when simple and easy blackboard hangs data, data can be firmly in the draw-in groove 1-3, thereby improves the efficiency of teaching and the practicability of lectern table,.

Described podium desktop 1 comprises left desktop 1-4, right desktop 1-5, and described right desktop 1-5 is provided with a slide board 1-6, and this slide board 1-6 is provided with a sundries such as chalk, chalk brush below. And the drawer 1-7 of collecting dust, make the platform desktop have storage, dust collection function, guarantee the tidiness and comfort of platform desktop 1 simultaneously.

The left desktop 1-1 is provided with a slideway 1-8 that allows the slide plate 1-6 to slide to the left desktop 1-1, and the slide plate is directly pushed to the left desktop 1-1 through the slideway, and the drawer 1 can be taken Items in -7 do not need to be pulled out from slide boards 1-6, the operation is simple, and it is convenient to take out the things in drawers 1-7, and at the same time make full use of the space of left desktop 1-1, and at the same time help to improve the practicability of the podium table as a whole.

On the slide 1-6, one side of the drawer 1-7 is provided with a pull ring, the setting of the pull ring can be flexible and convenient to pull out the slide 1-6 or the drawer 1-7, and can quickly take articles, which is conducive to the smooth teaching conduct.

The front side of described podium desktop 1 is provided with the through hole 1-10 that can place pointer, and pointer is the tool commonly used in lecturer's teaching, and the through hole 1-10 that can place pointer is set, and satisfies the teaching use of teacher's classroom on the one hand, simultaneously Effectively utilize the space of the podium desk and improve the performance of the podium desk.

The bottom end of the support rod 2 is provided with a limit block 2-1, and the limit block 2-1 effectively prevents the rack 3-1 from moving out of the bottom end of the support rod 2, so that the movement range of the rack 3-1 is controllable. Inside, it is ensured that the height of the support rod 2 can be adjusted flexibly.

When the present invention is used:

When the podium table is not in use, the pointer is placed in the through hole 1-10, the simple blackboard 1-2 is placed in the groove 1-1, and the usual teaching supplies such as chalk box and chalk brush are placed in the drawer 1-7.

When the podium table is in use, the podium table can be moved to the ideal position through the roller 5, and the foot brake can stop the roller 5 from rolling. The teacher can adjust the height of the support rod 2 according to his own height and habits. The height is shorter or higher, and the driving gear 3-3 can be rotated by the rocking bar 3-4, thereby driving the transmission gear 3-2 to rotate, and then driving the rack 3-1 to move up and down along the support rod 2, and the support rod 2 The height also changes thereupon, until the podium desktop 1 is adjusted to an ideal height, a fixed pin is inserted into the locking hole 3-5 to lock the driving gear 3-3, and the height of the support rod 2 is fixed; if the teaching diagram If it is necessary to hang materials or use the simple blackboard 1-2 for auxiliary teaching, the simple blackboard 1-2 is pulled out from the groove 1-1, placed in the card slot 1-3 and fixed for use.

Of course, the above is only a detailed description of the preferred specific implementation of the present invention in conjunction with the accompanying drawings, and is not intended to limit the scope of the present invention. All equivalent changes made according to the principle, structure and structure of the present invention should be covered by this within the scope of protection of the invention.

Claims (8)

1. the platform table based on rack-and-pinion lifting, including dais desktop (1), the support bar (2) under dais desktop (1), It is characterized in that：Described support bar (2) is scalable and which is provided with height-adjustable elevating mechanism (3), described elevator Structure (3) is included vertically located at support bar (2) side and tooth bar moving up and down (3-1), and described tooth bar (3-1) side is provided with The travelling gear (3-2) engaging, described travelling gear (3-2) side is provided with the driving gear (3-3) engaging, and passes Moving gear (3-2), driving gear (3-3) are each attached on support bar (2), and described driving gear (3-3) is provided with rocking bar (3- 4) it is additionally provided with and thereon several pluggable pins by locking hole (3-5) locked for driving gear (3-3), described gripper shoe (2) Bottom is provided with the sole (4) of an I-shaped, and four ends of described sole (4) are equipped with roller (5).

2. the platform table based on rack-and-pinion lifting according to claim 1 it is characterised in that：Described dais desktop (1) Bottom opens up fluted (1-1), and in this groove, (1-1) is provided with a Simple blackboard (1-2), and is provided with rear side of dais desktop (1) The draw-in groove (1-3) that Simple blackboard (1-2) vertically can be fixed.

3. the platform table based on rack-and-pinion lifting according to claim 2 it is characterised in that：In described draw-in groove (1-3) It is provided with an incision pin (1-9).

4. the platform table based on rack-and-pinion lifting according to claim 2 it is characterised in that：Described dais desktop (1) Including left and right desktop (1-4,1-5), in described right desktop (1-5), it is provided with a slide plate (1-6) that can place the articles for use such as chalk, should It is provided with a drawer (1-7) that can deposit debris below slide plate (1-6).

5. the platform table based on rack-and-pinion lifting according to claim 4 it is characterised in that：Described left desktop (1-4) Inside it is provided with the slideway (1-8) that slide plate (1-6) can be allowed to slide into left desktop (1-4).

6. the platform table based on rack-and-pinion lifting according to claim 5 it is characterised in that：On described slide plate (1-6), The side of drawer (1-7) is equipped with draw ring.

7. the platform table based on rack-and-pinion lifting according to claim 6 it is characterised in that：Described dais desktop (1) Front side in be provided with the through hole (1-10) that can place teacher's pointer.

8. according to claim 1～7 any one based on rack-and-pinion lifting platform table it is characterised in that：Described The bottom of support bar (2) is provided with limited block (2-1).