CN210783742U

CN210783742U - Rotatable multimedia teaching is with show stand in kind

Info

Publication number: CN210783742U
Application number: CN201920810839.XU
Authority: CN
Inventors: 寇晓慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-06-19
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a rotatable multimedia teaching is with show stand in kind, including tray and tripod, the tray is circular box body form, the bottom fixedly connected with pivot of tray, the tripod includes the footstock, the bottom side of footstock articulates there is the landing leg, the bottom welding of footstock has the stand, sliding connection has the pipe box on the stand, the pipe box articulates through the pin has the connecting rod, the upper end of connecting rod is articulated with the downside of landing leg, be equipped with the round hole on the footstock, the lower extreme of pivot is pegged graft in the round hole, the flat bearing has been cup jointed in the pivot, the motor is installed to the downside of footstock, install the gear on the output shaft of motor, the ring gear is installed to the downside of tray, gear and ring gear meshing. The utility model discloses a tray can rotate by the footstock relatively, installs the ring gear in the bottom of tray, is driven by the motor, when teaching uses, can all-round show by autogiration.

Description

Rotatable multimedia teaching is with show stand in kind

Technical Field

The utility model relates to a teaching aid technical field specifically is a rotatable multimedia teaching is with show stand in kind.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. When present multimedia teaching demonstrates things, generally directly place the material object on podium or lectern, during the all-round show of multi-angle, need manual the moving to change, if material object weight is great, then there is the problem of inconvenient operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatable multimedia teaching is with show stand in kind to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotatable multimedia teaching is with show stand in kind, includes tray and tripod, the tray is circular box body form, the bottom fixedly connected with pivot of tray, the tripod includes the footstock, the bottom side of footstock articulates there is the landing leg, the bottom welding of footstock has the stand, sliding connection has the pipe box on the stand, the pipe box articulates through the pin has the connecting rod, the upper end of connecting rod is articulated with the downside of landing leg, be equipped with the round hole on the footstock, the lower extreme of pivot is pegged graft in the round hole, flat bearing has been cup jointed in the pivot, the motor is installed to the downside of footstock, install the gear on the output shaft of motor, the ring gear is installed to the downside of tray, gear and ring gear meshing.

Preferably, the number of the supporting legs is three, and the lower ends of the supporting legs are hinged with ground feet.

Preferably, a hand-screwed bolt is screwed on the pipe sleeve, and the front end of the hand-screwed bolt abuts against the outer wall of the upright post.

Preferably, two ends of the connecting rod are provided with U-shaped supports, and the lower sides of the supporting legs and the outer sides of the pipe sleeves are provided with supporting lugs.

Preferably, the upper side of the plane bearing is in contact with the bottom of the tray, and the lower side of the plane bearing is in contact with the upper side of the top seat.

Preferably, the round hole is a blind hole, the depth of the round hole is larger than the length of the rotating shaft, and the gear ring and the rotating shaft are coaxial.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with the tripod, the height of tripod can realize going up and down through adjusting landing leg inclination to adopt the hand to twist the bolt and highly fix after adjusting, convenient operation satisfies different service conditions. The tray can rotate relative to the footstock, installs the ring gear in the bottom of tray, is driven by the motor, when teaching uses, can all-round show by autogiration.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic axial view of the footstock of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a tray; 2. a motor; 3. a gear; 4. a flat bearing; 5. a tripod; 51. a top seat; 52. a support leg; 53. a connecting rod; 54. pipe sleeve; 55. a column; 56. screwing the bolt by hand; 57. ground feet; 58. a circular hole; 6. a ring gear; 7. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a rotatable multimedia teaching is with show stand in kind, includes tray 1 and tripod 5, tray 1 is the circular box body form, tray 1's bottom fixedly connected with pivot 7, tripod 5 includes footstock 51, footstock 51's bottom side articulates there is landing leg 52, the bottom welding of footstock 51 has stand 55, sliding connection has pipe box 54 on the stand 55, pipe box 54 articulates through the pin has connecting rod 53, connecting rod 53's upper end is articulated with landing leg 52's downside, be equipped with round hole 58 on the footstock 51, during round hole 58 was pegged graft to the lower extreme of pivot 7, flat bearing 4 has been cup jointed in the pivot 7, motor 2 is installed to the downside of footstock 51, install gear 3 on motor 2's the output shaft, 6 ring gears are installed to tray 1's downside, gear 3 and the meshing of ring gears 6.

Specifically, landing leg 52 is equipped with threely, landing leg 52's lower extreme articulates there is lower margin 57, and lower margin 57 can overturn, ensures to connect the biggest with ground, ensures that the show stand is whole to be placed stably.

Specifically, a hand bolt 56 is screwed on the pipe sleeve 54, the front end of the hand bolt 56 abuts against the outer wall of the upright post 55, and the three support legs 52 can be synchronously expanded or contracted to adjust the height of the pallet 1.

Specifically, two ends of the connecting rod 53 are provided with U-shaped brackets, the lower sides of the supporting legs 52 and the outer sides of the pipe sleeves 54 are provided with supporting lugs, the three connecting rods 53 correspond to the supporting legs 52 one by one, and the brackets at two ends of the connecting rod 53 are hinged to the supporting lugs.

Specifically, the upper side of the plane bearing 4 contacts with the bottom of the tray 1, the lower side of the plane bearing 4 contacts with the upper side of the top seat 51, and the plane bearing 4 supports the tray 1 and the objects thereon, and simultaneously ensures that the friction force for rotating the tray 1 is small.

Specifically, the round hole 58 is a blind hole and the depth is greater than the length of the rotating shaft 7, the gear ring 6 and the rotating shaft 7 are coaxial, and the matching of the rotating shaft 7 and the round hole 58 plays a role in radial limiting on the tray 1.

The working principle is as follows: during the use will need the material object of show to place on tray 1, the high inclination through adjusting landing leg 52 of tray 1 can be adjusted, and three landing leg 52 can be opened or contract in step, and pipe box 54 moves on stand 55 and plays limiting displacement during the regulation, screws up the hand and screws up behind the bolt 56, can fix pipe box 54 and stand 55 to fixed footstock 51's height. After the motor 2 is started, the gear 3 rotates and drives the gear ring 6 meshed with the gear to rotate, so that the tray 1 rotates, and the plane bearing 4 supports the tray 1 and objects thereon and can keep free rotation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotatable multimedia teaching is with show stand in kind, includes tray (1) and tripod (5), its characterized in that: tray (1) is the circular box form, the bottom fixedly connected with pivot (7) of tray (1), tripod (5) are including footstock (51), the bottom side of footstock (51) articulates there are landing leg (52), stand (55) have been welded to the bottom of footstock (51), sliding connection has pipe box (54) on stand (55), pipe box (54) articulates through the pin has connecting rod (53), the upper end of connecting rod (53) is articulated with the downside of landing leg (52), be equipped with round hole (58) on footstock (51), during round hole (58) were inserted to the lower extreme of pivot (7), cup jointed flat bearing (4) on pivot (7), motor (2) are installed to the downside of footstock (51), install gear (3) on the output shaft of motor (2), ring gear (6) are installed to the downside of tray (1), the gear (3) is meshed with the gear ring (6).

2. The rotatable real object display stand for multimedia teaching of claim 1, wherein: the number of the supporting legs (52) is three, and the lower ends of the supporting legs (52) are hinged with ground feet (57).

3. The rotatable real object display stand for multimedia teaching of claim 1, wherein: a hand-screwed bolt (56) is screwed on the pipe sleeve (54), and the front end of the hand-screwed bolt (56) is abutted against the outer wall of the upright post (55).

4. The rotatable real object display stand for multimedia teaching of claim 1, wherein: two ends of the connecting rod (53) are provided with U-shaped brackets, and the lower sides of the supporting legs (52) and the outer sides of the pipe sleeves (54) are provided with support lugs.

5. The rotatable real object display stand for multimedia teaching of claim 1, wherein: the upper side of the plane bearing (4) is in contact with the bottom of the tray (1), and the lower side of the plane bearing (4) is in contact with the upper side of the top seat (51).

6. The rotatable real object display stand for multimedia teaching of claim 1, wherein: the round hole (58) is a blind hole, the depth of the round hole is larger than the length of the rotating shaft (7), and the gear ring (6) and the rotating shaft (7) are coaxial.