CN216875472U

CN216875472U - Music teaching lectern

Info

Publication number: CN216875472U
Application number: CN202121277042.1U
Authority: CN
Inventors: 窦一晗
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-07-05
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a music teaching lectern, which comprises a support component and a desk plate component, wherein the support component is connected with the desk plate component through a lifting component; the support component comprises a left cross beam and a right cross beam which are horizontally and parallelly arranged, a hollow left outer stand column and a hollow right outer stand column which are vertically and fixedly connected are respectively arranged above the left cross beam and the right cross beam, a hollow left inner stand column and a hollow right inner stand column are respectively and freely and vertically inserted into the left outer stand column and the right outer stand column, and the top ends of the left inner stand column and the right inner stand column are respectively and fixedly connected with the lifting component. The teacher desk has two purposes, is convenient and reliable in height adjustment, and is very suitable for music teaching.

Description

Music teaching lectern

Technical Field

The utility model particularly relates to a music teaching lectern, and belongs to the technical field of music teaching equipment.

Background

In the process of ordinary music teaching, in order to improve the teaching effect, the explanation of basic music theory knowledge and the playing demonstration of a field electronic organ are generally combined together. Therefore, two table frames are usually arranged in the classroom of a music teacher, one table is a conventional teacher table for holding a lecture, the other table is a musical instrument frame for holding an electronic instrument, and the music teacher often needs to frequently move back and forth between the teacher table and the musical instrument frame to switch transition in class, so that inconvenience is caused. Simultaneously because lectern and musical instrument frame belong to public teaching equipment apparatus, its height all is fixed difficult adjustment usually, and different mr's height then is different, and the mr need stand behind the lectern lecture, play at the musical instrument frame after-seat, consequently has teacher's height and the inconsistent problem of equipment height to influence the teaching effect to a certain extent.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a music teaching lectern, and aims to solve the problems that the height of the existing lectern is not easy to adjust due to the separation of the lectern and a musical instrument frame.

The utility model adopts the following technical scheme:

a music teaching lectern comprises a support component and a desk component, wherein the support component is connected with the desk component through a lifting component; the support component comprises a left cross beam and a right cross beam which are horizontally and parallelly arranged, a hollow left outer stand column and a hollow right outer stand column which are vertically and fixedly connected are respectively arranged above the left cross beam and the right cross beam, a hollow left inner stand column and a hollow right inner stand column are respectively and freely and vertically inserted into the left outer stand column and the right outer stand column, and the top ends of the left inner stand column and the right inner stand column are respectively and fixedly connected with the lifting component.

Furthermore, the lifting assembly comprises a gear box, a transmission shaft, a screw rod and a crank, the transmission shaft and the screw rod penetrate through the gear box in a mutually perpendicular mode, a first bevel gear is coaxially and fixedly connected to the transmission shaft, a second bevel gear is coaxially and fixedly connected to the top of the screw rod, the first bevel gear and the second bevel gear are meshed with each other, and the crank is fixedly connected to the tail end of the transmission shaft.

Furthermore, a screw-nut seat cylinder is vertically arranged on the inner sides of the left outer stand column and the right outer stand column respectively, the bottom of the screw-nut seat cylinder is fixedly connected with the left cross beam or the right cross beam, a screw nut is fixedly arranged at the top of the screw-nut seat cylinder, the screw rod penetrates through the screw nut and extends into the screw-nut seat cylinder, and the screw nut is connected with the screw rod in a threaded fit manner.

Furthermore, a music stand is fixedly arranged above the desk plate.

Furthermore, two caster wheels with brakes are fixedly connected below the left cross beam and the right cross beam respectively, and the left outer stand column and the right outer stand column are fixedly connected through the middle cross beam.

Has the advantages that: according to the utility model, the crank is rotated to drive the transmission shaft and the first bevel gear on the transmission shaft to rotate so as to drive the second bevel gear and the screw rod to rotate, the screw rod performs lifting motion relative to the screw rod nut, and then the table plate and the electronic organ are driven to lift, so that the height of the table plate is very conveniently adjusted, meanwhile, the lecture table can be used for normal lectures, the drawer can be pulled open to play the electronic organ, and the electronic organ has two purposes, so that the electronic organ teaching table is very suitable for music teaching.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a sectional view a-a in fig. 2.

Fig. 4 is an enlarged view of region B in fig. 3.

Fig. 5 is an enlarged view of region C in fig. 3.

Reference symbols in the drawings: the table comprises a support assembly 1, a table plate assembly 2, a lifting assembly 3, a left outer upright post 11, a right outer upright post 12, a middle cross beam 13, a left cross beam 14, a right cross beam 15, brake casters 16, a table plate 20, a music stand 21, a drawer support 22, a drawer 23, an electronic organ 24, a table plate support beam 25, a gear box 31, a transmission shaft 32, a first bevel gear 33, a second bevel gear 34, a crank 35, a left inner upright post 111, a right inner upright post 121, a screw nut seat barrel 122, a screw nut 1221 and a screw 1222.

Detailed Description

The technical scheme of the utility model is clearly and completely explained in the following by combining the attached drawings.

As shown in fig. 1-3, a music teaching lectern, including support subassembly 1 and table subassembly 2, connect through lifting unit 3 between support subassembly 1 and the table subassembly 2, table subassembly 2 includes table 20, at the fixed music stand 21 of having placed in 2 tops of table, at table 20 below fixedly connected with drawer support 22, be provided with drawer 23 in drawer support 22, placed electronic organ 24 in drawer 23, the drawer carries electronic organ can pull out or retract as required in drawer support, can pull out the drawer when the electronic organ is played to needs, to placing the music book on the music stand and playing, the electronic organ plays and can go the drawer to conveniently accomodate after finishing using, and the table can use as ordinary lectern this moment.

The support assembly 1 comprises a left cross beam 14 and a right cross beam 15 which are horizontally arranged in parallel, and two caster wheels 16 with brakes are fixedly connected below the left cross beam 14 and the right cross beam 16 respectively, so that the support assembly can be conveniently moved and fixed. The upper parts of the left cross beam 14 and the right cross beam 16 are respectively vertically and fixedly connected with a hollow left outer upright 11 and a hollow right outer upright 12, the left outer upright 11 and the right outer upright 12 are fixedly connected through a middle cross beam 13 to enhance the stability of the support assembly, a hollow left inner upright 111 and a hollow right inner upright 121 are respectively and freely and vertically inserted into the left outer upright 11 and the right outer upright 12, the upper parts of the left inner upright 111 and the right inner upright 121 respectively extend out of the left outer upright 11 and the right outer upright 12 and are fixedly connected with the lifting assembly 3, the connection modes of the left inner upright 111 and the right inner upright 121 with the lifting assembly 3 are the same, and the connection mode of the right inner upright 121 with the lifting assembly 3 is described in detail below.

As shown in fig. 4, three table support beams 25 are fixedly disposed below the table 20, and a lifting unit 3 is fixedly connected to a lower surface of the table support beam 25, wherein the lifting unit 3 includes a gear box 31, a transmission shaft 32, a screw 1222, and the like. The lower surface of the table support beam 25 is fixedly connected with the gear box 31. The transmission shaft 32 and the lead screw 1222 penetrate through the gear box in a mutually perpendicular manner, a first bevel gear 33 is coaxially and fixedly connected to the transmission shaft 32, a second bevel gear 34 is coaxially and fixedly connected to the top of the lead screw 1222, the first bevel gear 33 and the second bevel gear 34 are meshed with each other, and both the first bevel gear 33 and the second bevel gear 34 are located inside the gear box 31. A crank 35 is fixedly connected to the end of the transmission shaft 32, and when the crank 35 is rotated, the transmission shaft 32 and the first bevel gear 33 rotate together to drive the second bevel gear 34 and the screw 1222 to rotate. The lead screw 1222 is vertically arranged inside the lead screw nut seat barrel 122, a lead screw nut 1221 is fixedly arranged at the top of the lead screw nut seat barrel 122, and the lead screw nut 1221 is connected with the lead screw 1222 in a threaded fit manner. As shown in fig. 5, the screw nut housing 122 is vertically disposed inside the right outer column 12, the bottom of the screw nut housing 122 is fixedly connected to the right cross beam 15, the right inner column 121 is located in a gap between the right outer column 12 and the screw nut housing 122, and the upper portion of the right inner column 121 is fixedly connected to the gear box. Because a screw nut seat barrel 122 and a screw nut 1221 are fixed, when the screw 1222 is rotated, the screw 1222 is moved up/down relative to the screw nut 1221, so as to drive the table board to go up/down through a gear box, and complete the height adjustment of the table board.

When the electronic organ player is used, the teacher desk is pushed to a proper position, the foot brake is stepped on to fix the teacher desk, the crank is rotated, the desk plate and the electronic organ of the teacher desk are adjusted to proper height positions according to the height of a teacher in class, class can be played, and the electronic organ can be played conveniently by pulling out the drawer when the teacher desk needs to play. Therefore, the teacher desk has two purposes, the height is convenient and reliable to adjust, and the teacher desk is very suitable for music teaching.

Claims

1. The utility model provides a music teaching lectern which characterized in that: the table board assembly comprises a table board, a drawer support is fixedly connected below the table board, a drawer is arranged in the drawer support, and an electronic organ is placed in the drawer; the support assembly comprises a left cross beam and a right cross beam which are horizontally and parallelly arranged, a hollow left outer stand column and a hollow right outer stand column which are vertically and fixedly connected are respectively arranged above the left cross beam and the right cross beam, a hollow left inner stand column and a hollow right inner stand column are respectively and freely vertically inserted into the left outer stand column and the right outer stand column, and the top ends of the left inner stand column and the right inner stand column are respectively and fixedly connected with the lifting assembly.

2. A music teaching lectern according to claim 1 wherein: the lifting assembly comprises a gear box, a transmission shaft, a screw rod and a crank, the transmission shaft and the screw rod penetrate through the gear box in a mutually perpendicular mode, a first bevel gear is coaxially and fixedly connected to the transmission shaft, a second bevel gear is coaxially and fixedly connected to the top of the screw rod, the first bevel gear is meshed with the second bevel gear, and the crank is fixedly connected to the tail end of the transmission shaft.

3. A music teaching lectern according to claim 2 wherein: the inner sides of the left outer stand column and the right outer stand column are respectively and vertically provided with a screw nut seat cylinder, the bottom of the screw nut seat cylinder is fixedly connected with the left cross beam or the right cross beam, the top of the screw nut seat cylinder is fixedly provided with a screw nut, the screw rod penetrates through the screw nut and extends into the screw nut seat cylinder, and the screw nut is connected with the screw rod through thread matching.

4. A music teaching lectern according to claim 1 wherein: two casters with brakes are fixedly connected below the left cross beam and the right cross beam respectively, and the left outer stand column and the right outer stand column are fixedly connected through the middle cross beam.

5. A music teaching lectern according to claim 1 wherein: a music stand is fixedly arranged above the desk plate.