CN209732963U - Automatic lifting platform - Google Patents

Abstract

The utility model discloses an automatic lifting platform, including base, stationary mast and mesa, be fixed with the stationary mast above the base, the stationary mast top is provided with the mesa, be provided with elevating gear in the stationary mast, elevating gear includes linear electric motor, tray and support, linear electric motor sets up above the base, including the guide rail of vertical direction and the slider that can follow the guide rail and reciprocate, the slider outside is connected with the tray, be fixed with the support above the tray, link to each other below the upper end of support and the mesa. The utility model discloses can change the height of mesa through linear electric motor's lift to can satisfy different height teachers to the demand of podium height, protect teacher's physical and mental health.

Description

Automatic lifting platform

Technical Field

The utility model belongs to the technical field of teaching aid technique and specifically relates to an automatic elevating platform.

background

The podium height that school used at present is fixed, like horizontal multi-media podium, although complete functions, but the appearance height of podium is only 900mm, and the height that keyboard and mouse were placed is less than 700mm, and is too short to the teacher of lecture of standing, causes the teacher to need the side waist low shoulder to use mouse and keyboard, brings waist, back, neck aching pain and strain even for the teacher of giving lessons easily. In order to make the platform more humanized, it is necessary to make the platform capable of freely lifting, so that a teacher can adjust the height of the platform according to the height of the teacher, and thus, the teacher can naturally lift hands without bending down or bending over, and can operate a keyboard and a mouse, thereby avoiding various strain caused by long-time use of the unsuitable multimedia platform by the teacher, and ensuring the physical and mental health of the teacher, and ensuring good teaching effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an automatic lift podium can change the height of mesa through linear electric motor's lift to can satisfy different height teachers to the demand of podium height, protect teacher's physical and mental health.

In order to achieve the above purpose, the technical scheme of the utility model is that:

The utility model provides an automatic lift podium, includes base, fixed post and mesa, be fixed with the fixed post above the base, the fixed post top is provided with mesa, its characterized in that:

The lifting device is arranged in the fixed stand column and comprises a linear motor, a tray and a support, wherein the linear motor is arranged on the base and comprises a guide rail in the vertical direction and a sliding block capable of moving up and down along the guide rail, the outer side of the sliding block is connected with the tray, the support is fixed on the tray, and the upper end of the support is connected with the lower surface of the table board.

Preferably, the table top comprises a table top body and two extension table tops, the lower side of the table top body is connected with the support, the extension table tops are arranged in two numbers and respectively wrapped on the left side and the right side of the outer side of the upper portion of the table top body, a sliding rail is arranged on the upper side or the side face of the table top body, a table top sliding block/a table top sliding strip matched with the sliding rail is arranged on the inner side of the extension table top, and the table top sliding block/the table top sliding strip transversely moves along the sliding rail, so that the two extension table tops can respectively move towards the.

Preferably, the lifting device further comprises an induction sheet, an upper limit inductor and a lower limit inductor, the upper limit inductor and the lower limit inductor are respectively arranged at the upper part and the middle part of the guide rail, and the induction sheet is arranged on the sliding block.

preferably, the part of the base connected with the fixed upright post is also provided with a reinforcing rib.

Preferably, the table also comprises a sliding upright post, the upper end of the sliding upright post is connected with the lower surface of the table top, and the sliding upright post is sleeved in the fixed upright post.

More preferably, the mobile phone further comprises a microphone and sound amplification device, the microphone is arranged on the table board, the sound amplification device is arranged in the sliding upright column, and sound transmission holes are formed in the sliding upright column and one surface, facing the student, of the fixed upright column and the sliding upright column.

More preferably, the outer wall of the sliding upright is provided with an upright guide bar, the inner wall of the fixed upright is provided with an upright guide rail, and the upright guide bar is matched with the upright guide rail.

Preferably, universal wheels are arranged below the base.

Preferably, the table top is provided with a control button for ascending and descending.

Preferably, a UPS power source is provided in the stationary mast for providing power when the external power is cut off.

The automatic lifting platform drives the tray to move up and down through the sliding block of the linear motor, and then the tray drives the platform surface to move up and down through the support, so that the lifting of the platform surface is realized, a teacher can flexibly adjust the height of the platform according to the height of the teacher, and the keyboard and the mouse can be operated by naturally lifting hands without bending down or bending down, and the physical and mental health of the teacher is protected.

the utility model discloses further with the mesa design for the malleable form, teaching articles for use, keyboard and mouse are placed to the mesa that is enough big occasionally when using, can guarantee like this that keyboard and mouse can be placed on the coplanar, the mr of being convenient for changes at mouse and keyboard, makes things convenient for the teacher to use, can place the mesa shrink when not using, reduces occuping of space.

The utility model discloses further install the wheel bottom automatic rising podium, move the convenience.

Drawings

Fig. 1 is a schematic structural view of a vertical cross section of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic diagram of the control circuit of the present invention.

In the figure, a UPS (uninterrupted power supply) 1, a linear motor 2, a tray 3, a support 4, a lower limit inductor 5, an upper limit inductor 6, a loudspeaker 7, a table top 8, a table top body 801, an extension table top 802, an upright post 9, a fixed upright post 901, a sliding upright post 902, a base 10, a universal wheel 11, a slide rail 12, an upright post guide strip 13 and a sound transmission hole 14.

Detailed Description

The present invention will be further described with reference to the following specific examples, but the scope of the present invention is not limited to the following examples.

The utility model provides an automatic lifting platform, as shown in fig. 1 and 2, including base 10, fixed stand 901 and mesa 8, be fixed with fixed stand 901 above the base 10, fixed stand 901 top is provided with the mesa, be provided with elevating gear in the fixed stand 901, elevating gear includes linear electric motor 2, tray 3 and support 4, linear electric motor 2 sets up above base 10, including the guide rail of vertical direction with can follow the slider that the guide rail reciprocated, the slider outside is connected with tray 3, be fixed with support 4 above the tray 3, the upper end of support 4 links to each other below with mesa 8. When the platform is used, the tray 3 is driven to move up and down by the slide block of the linear motor 2, and then the tray 3 drives the platform surface 8 to move up and down by the support 4, so that the platform surface is lifted and lowered, a teacher can flexibly adjust the height of the platform according to the height of the teacher, and the keyboard and the mouse can be operated by naturally lifting hands without bending down or bending down, and the physical and mental health of the teacher is protected.

The support 4 preferably comprises two diagonally supported connecting rods, one end of which is connected to the tray and the other end of which is connected below the table top 8.

Preferably, for can satisfy the needs of placing more teaching aids, combine shown in fig. 2, mesa 8 includes mesa body 801 and extension mesa 802, be connected with support 4 below mesa body 801, extension mesa 802 is provided with two, wrap respectively on the left side and the right in mesa body 801 top outside, the higher authority of mesa body 801 or side are provided with slide rail 12, extension mesa 802 inboard is provided with slide rail 12 assorted mesa slider/mesa draw runner, mesa slider/mesa draw runner is along slide rail 12 and is transverse motion, make two extension mesas 802 can move to the left side and the right side of mesa body 801 respectively. Therefore, when the mouse is used, the teaching articles, the keyboard and the mouse can be placed on the table board which is large enough, so that the keyboard and the mouse can be placed on the same plane, a teacher can conveniently replace the mouse and the keyboard, a teacher can conveniently use the mouse, the table board can be placed in a retracted mode when the mouse is not used, and space occupation is reduced.

Preferably, in order to prevent the table top 8 from excessively lifting, the lifting device further comprises a sensing piece, an upper limit sensor 6 and a lower limit sensor 5, the upper limit sensor 6 and the lower limit sensor 5 are respectively arranged at the upper part and the middle part of the guide rail, the sensing piece is arranged on the sliding block, and as shown in fig. 3, the control circuit comprises an upward travel switch SB1, an upper limit sensor SQ1, a lower travel switch SB2 and a lower limit sensor SQ2, wherein SQ1 and SB1 are connected in series to form a first branch, SQ2 and SB2 are connected in series to form a second branch, and the first branch is connected in parallel with the second branch; SB1 is pressed down, the linear motor 2 rotates forward, the slide block moves upward, when the induction sheet contacts SQ1, the linear motor 2; SB2 is pressed, the linear motor 2 reverses the slide block and goes down, when the catch contacts SQ2, the linear motor 2 stops.

Preferably, the connecting portion between the base 10 and the fixed upright 901 is further provided with a reinforcing rib to stabilize the connection.

Preferably, the upright post 9 can be divided into two parts, one part is a fixed upright post 901 fixed below, the other part is a sliding upright post 902, the upper end of the sliding upright post 902 is connected with the lower part of the table top 8, the sliding upright post 902 is sleeved in the fixed upright post 901, and the sliding upright post 902 protects equipment in the upright post 8 when the table top 8 rises.

More preferably, in order to make the teacher give a lecture better to be heard by the student, the teaching device further comprises a microphone and a loudspeaker 7, the microphone is arranged on the table-board 8, the loudspeaker is arranged in the sliding column 902, and the sliding column 902 and the fixed column 901 are provided with a sound transmission hole 13 towards one side of the student, so that the sound of the loudspeaker 7 can be transmitted out from the sound transmission hole 13.

More preferably, in order to facilitate the sliding of the sliding column 902, the outer wall of the sliding column 902 is provided with a column guide bar 13, the inner wall of the fixed column 901 is provided with a column guide rail, and the column guide bar 13 is matched with the column guide rail.

Preferably, universal wheels 11 are provided under the base 10 for easy movement of the platform.

Preferably, the table top 8 is provided with a control button for ascending and descending so as to conveniently control the ascending and descending of the linear motor 2.

Preferably, a UPS power source 1 is provided in the fixed column 901, and can be used to supply power to the linear motor 2, the loudspeaker 7, the microphone, the computer, and the like when the external power is cut off.

Claims (10)

1. The utility model provides an automatic lift podium, includes base, fixed post and mesa, be fixed with the fixed post above the base, the fixed post top is provided with mesa, its characterized in that:

The lifting device is arranged in the fixed stand column and comprises a linear motor, a tray and a support, wherein the linear motor is arranged on the base and comprises a guide rail in the vertical direction and a sliding block capable of moving up and down along the guide rail, the outer side of the sliding block is connected with the tray, the support is fixed on the tray, and the upper end of the support is connected with the lower surface of the table board.

2. The automatic lifting platform according to claim 1, characterized in that: the table top comprises a table top body and two extension table tops, the lower side of the table top body is connected with a support, the extension table tops are provided with two blocks which are respectively wrapped on the left side and the right side of the outer side of the upper portion of the table top body, a slide rail is arranged on the upper side or the side face of the table top body, a table top slide block/table top slide bar matched with the slide rail is arranged on the inner side of the extension table top, and the table top slide block/table top slide bar transversely moves along the slide rail, so that the two extension table tops can respectively move towards the.

3. The automatic lifting platform according to claim 1, characterized in that: the lifting device further comprises an induction sheet, an upper limit inductor and a lower limit inductor, wherein the upper limit inductor and the lower limit inductor are respectively arranged on the upper portion and the middle portion of the guide rail, and the induction sheet is arranged on the sliding block.

4. The automatic lifting platform according to claim 1, characterized in that: and reinforcing ribs are further arranged at the connecting parts of the base and the fixed upright posts.

5. The automatic lifting platform according to claim 1, characterized in that: the sliding column is connected with the lower surface of the table top, and the sliding column is sleeved in the fixed column.

6. The automatic lifting platform according to claim 5, wherein: still include microphone public address set, microphone public address set includes microphone and megaphone, the microphone sets up on the mesa, the megaphone sets up in the slip stand, and the slip stand has seted up sound transmission hole with fixed stand towards student's one side.

7. The automatic lifting platform according to claim 5, wherein: the outer wall of the sliding stand column is provided with a stand column guide strip, the inner wall of the fixed stand column is provided with a stand column guide rail, and the stand column guide strip is matched with the stand column guide rail.

8. The automatic lifting platform according to claim 1, characterized in that: and universal wheels are arranged below the base.

9. The automatic lifting platform according to claim 1, characterized in that: the table top is provided with a control button for ascending and descending.

10. The automatic lifting platform according to claim 1, characterized in that: the fixed upright post is internally provided with a UPS power supply which can be used for providing electric energy when the external power is cut off.