CN216352899U

CN216352899U - Display stand

Info

Publication number: CN216352899U
Application number: CN202120301734.9U
Authority: CN
Inventors: 陈慧姝
Original assignee: Hunan Judicial Police Vocational College
Current assignee: Hunan Judicial Police Vocational College
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-04-19
Anticipated expiration: 2031-02-02

Abstract

The utility model belongs to the technical field of teaching tools, and particularly relates to a display rack which comprises a U-shaped base, wherein a side wall of the U-shaped base, which is adjacent to the U-shaped base, is rotatably connected with a bidirectional screw rod through a bearing, one end of the bidirectional screw rod penetrates through one side wall of the U-shaped base and is fixedly provided with a rotary table, a crank is fixedly arranged on one side wall of the rotary table, guide rods are symmetrically and fixedly arranged on the adjacent side wall of the U-shaped base, and sliding plates are symmetrically and slidably connected to the surfaces of the two guide rods. According to the utility model, through the design of the two-way screw rod, the rotary disc, the crank, the sliding plates, the guide rod, the connecting rod and the supporting plate, the two sliding plates are driven to move while the two-way screw rod is rotated, so that the supporting plate can be adjusted in height up and down, the height can be conveniently adjusted according to the heights of different teachers and students, the teachers and students can more favorably watch teaching knowledge points on the display frame, and some students sitting at the back can more clearly observe contents on the display frame.

Description

Display stand

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a display stand.

Background

In present teaching, the teacher can use the show shelf to show some works for the convenience of teaching usually, but the present show shelf for teaching still has following problem:

1. the height of present teaching show shelf is fixed basically, can not come height-adjusting according to different teachers and students' height, is unfavorable for the show of teaching works, and some students sitting in the back row often can not observe the content on the show shelf, just at this moment need adjust the height of show shelf and ensure that every teachers and students can observe the content on the show shelf.

2. The existing teaching display frame does not have the function of specially clamping and fixing paper, and usually adopts solid glue to paste when fixing the paper, so that the paper is very inconvenient to remove, the paper can be damaged, the original paper teaching material cannot be used for the second time, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a display rack, which solves the problems that the height of the prior teaching display rack can not be adjusted according to the heights of teachers and students and paper sheets can not be clamped and fixed.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a showing stand comprises a U-shaped base, wherein a bidirectional screw rod is rotatably connected to one adjacent side wall of the U-shaped base through a bearing, one end of the bidirectional screw rod penetrates through one side wall of the U-shaped base and is fixedly provided with a rotary table, a crank is fixedly arranged on one side wall of the rotary table, guide rods are symmetrically and fixedly arranged on one adjacent side wall of the U-shaped base, sliding plates are symmetrically and slidably connected to the surfaces of the two guide rods and are in threaded connection with the bidirectional screw rod, connecting rods are symmetrically and rotatably connected to the tops of the two sliding plates through bearings and are arranged in a crossed manner, a supporting plate is arranged above the U-shaped base, four connecting plates are symmetrically and slidably connected to the tops of the supporting plate, the four connecting plates are symmetrical to each other in pairs, the top ends of the connecting rods are rotatably connected with the bottoms of the connecting plates through pin shafts, a panel is fixedly arranged on the tops of the supporting plates, and U-shaped plates are fixedly arranged on two side walls of the panel, a lateral wall of U template is provided with the threaded rod, the one end of threaded rod runs through a lateral wall of U template and is fixed with the knob through the screw thread, the other end of threaded rod rotates through the bearing and is connected with the clamp plate, a lateral wall symmetry of clamp plate is fixed with T type pole, two the one end of T type pole all slides and runs through a lateral wall of U template, a lateral wall symmetry of clamp plate is fixed with the transparent plate, a lateral wall of panel is fixed with the L template, the light is installed to a lateral wall of L template.

As a preferable technical scheme of the utility model, one side wall of each of the two sliding plates is symmetrically provided with first guide holes, the two guide rods slidably penetrate through the corresponding first guide holes, one side wall of each of the two sliding plates is provided with first threaded holes, and the bidirectional screw rod is in threaded connection with the corresponding first threaded holes.

As a preferred technical scheme of the utility model, T-shaped sliding grooves are symmetrically formed in the bottom of the supporting plate, T-shaped sliding blocks are fixed on the tops of the four connecting plates, and the T-shaped sliding blocks are connected in the T-shaped sliding grooves in a sliding mode.

As a preferable technical scheme of the utility model, the surfaces of the crank and the knob are provided with anti-skid grains.

As a preferable technical scheme of the utility model, a second threaded hole is formed in one side wall of the U-shaped plate, the threaded rod is in threaded connection with the second threaded hole, second guide holes are symmetrically formed in one side wall of the U-shaped plate, and the two T-shaped rods slidably penetrate through the corresponding second guide holes.

As a preferred technical scheme of the utility model, four corners of the bottom of the U-shaped base are provided with universal self-locking wheels.

(III) advantageous effects

Compared with the prior art, the utility model provides a display rack which has the following beneficial effects:

1. this show shelf, through the design of two-way lead screw, carousel, crank, slide, guide arm, connecting rod and layer board, the messenger drives two slides and removes when through rotatory two-way lead screw, and high regulation about making the layer board can carry out, is convenient for like this to come height-adjusting according to the height of different teachers and students, makes the teaching knowledge point on the show shelf of seeing that teachers and students are more favorable, and some sit the content on the show shelf of observing that the student at the back row can be more clear.

2. This show shelf, through the design of U template, threaded rod, knob, clamp plate, T type pole and transparent plate, make when carrying out the paper content show, can drive the transparent plate on the clamp plate through rotatory threaded rod effectively and press from both sides tight fixedly to the paper, the different teaching paper of change also is convenient for simultaneously, has made things convenient for the teaching, and the knowledge point on the paper of also being convenient for can the secondary use not extravagant.

Drawings

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

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

FIG. 3 is a schematic view of the slider structure of the present invention;

FIG. 4 is a schematic view of a pallet structure according to the present invention;

fig. 5 is a schematic view of the U-shaped plate structure of the present invention.

In the figure: 1. a U-shaped base; 2. a bidirectional screw rod; 3. a turntable; 4. a crank; 5. a guide bar; 6. a slide plate; 7. a connecting rod; 8. a support plate; 9. a connecting plate; 10. a panel; 11. a U-shaped plate; 12. a threaded rod; 13. A knob; 14. pressing a plate; 15. a T-shaped rod; 16. a transparent plate; 17. an L-shaped plate; 18. an illuminating lamp; 19. A first guide hole; 20. a first threaded hole; 21. a T-shaped chute; 22. a T-shaped slider; 23. a second threaded hole; 24. a second guide hole; 25. universal auto-lock wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a show shelf comprises a U-shaped base 1, a bidirectional screw rod 2 is rotatably connected with one adjacent side wall of the U-shaped base 1 through a bearing, one end of the bidirectional screw rod 2 penetrates through one side wall of the U-shaped base 1 and is fixedly provided with a rotary table 3, a crank 4 is fixed on one side wall of the rotary table 3, guide rods 5 are symmetrically fixed on one adjacent side wall of the U-shaped base 1, sliding plates 6 are symmetrically and slidably connected with the surfaces of the two guide rods 5, the sliding plates 6 are in threaded connection with the bidirectional screw rod 2, the tops of the two sliding plates 6 are symmetrically and rotatably connected with connecting rods 7 through bearings, the connecting rods 7 are arranged in a crossed manner, a supporting plate 8 is arranged above the U-shaped base 1, the top of the supporting plate 8 is symmetrically and slidably connected with four connecting plates 9, the four connecting plates 9 are mutually symmetrical in pairs, the top ends of the connecting rods 7 are rotatably connected with the bottoms of the connecting plates 9 through pin shafts, a panel 10 is fixed at the top of the supporting plate 8, and two side walls of the panel 10 are fixed with U-shaped plates 11, a lateral wall of U template 11 is provided with threaded rod 12, one end of threaded rod 12 runs through a lateral wall of U template 11 and is fixed with knob 13 through the screw thread, the other end of threaded rod 12 rotates through the bearing and is connected with clamp plate 14, a lateral wall symmetry of clamp plate 14 is fixed with T type pole 15, the one end of two T type poles 15 all slides and runs through a lateral wall of U template 11, a lateral wall symmetry of clamp plate 14 is fixed with transparent plate 16, a lateral wall of panel 10 is fixed with L template 17, light 18 is installed to a lateral wall of L template 17.

In the embodiment, through the design of the bidirectional screw rod 2, the rotary table 3, the crank 4, the sliding plate 6, the guide rod 5, the connecting rod 7 and the supporting plate 8, the two sliding plates 6 are driven to move while the bidirectional screw rod 2 is rotated, so that the supporting plate 8 can be adjusted in height up and down, therefore, the height can be conveniently adjusted according to the heights of different teachers and students, the teachers and students can more favorably watch the teaching knowledge points on the display rack, some students sitting in the back row can more clearly observe the contents on the display rack, through the design of the U-shaped plate 11, the threaded rod 12, the knob 13, the pressing plate 14, the T-shaped rod 15 and the transparent plate 16, when the paper content is displayed, the transparent plate 16 on the pressing plate 14 can be effectively clamped and fixed by rotating the threaded rod 12, meanwhile, different teaching paper is convenient to replace, teaching is facilitated, and knowledge points on the paper can be used for the second time without waste.

Specifically, first guiding holes 19 are symmetrically formed in one side wall of each of the two sliding plates 6, the two guide rods 5 penetrate through the corresponding first guiding holes 19 in a sliding mode, first threaded holes 20 are formed in one side wall of each of the two sliding plates 6, and the two-way screw rods 2 are in threaded connection with the corresponding first threaded holes 20.

In this embodiment, first guiding holes 19 have been seted up in a lateral wall symmetry of two slide 6, make guide arm 5 can slide and run through first guiding hole 19 and play spacing effect, seted up first screw hole 20 at a lateral wall of slide 6, make two-way lead screw 2 and first screw hole 20 cooperation use, the slide 6 of being convenient for removes when rotatory two-way lead screw 2.

Specifically, the bottom of the supporting plate 8 is symmetrically provided with T-shaped sliding grooves 21, T-shaped sliding blocks 22 are fixed at the tops of the four connecting plates 9, and the T-shaped sliding blocks 22 are connected in the T-shaped sliding grooves 21 in a sliding mode.

In this embodiment, a T-shaped sliding groove 21 is formed at the bottom of the supporting plate 8, so that a T-shaped sliding block 22 connected with the connecting plate 9 can slide in the T-shaped sliding groove 21 to play a role in limiting.

Specifically, the surfaces of the crank 4 and the knob 13 are provided with anti-skid grains.

In this embodiment, the anti-slip lines are arranged on the surfaces of the crank 4 and the knob 13, so that a better anti-slip effect can be achieved, and people can rotate conveniently.

Specifically, a second threaded hole 23 is formed in one side wall of the U-shaped plate 11, the threaded rod 12 is in threaded connection with the second threaded hole 23, second guide holes 24 are symmetrically formed in one side wall of the U-shaped plate 11, and the two T-shaped rods 15 penetrate through the corresponding second guide holes 24 in a sliding mode.

In this embodiment, a second threaded hole 23 is formed in one side wall of the U-shaped plate 11, so that the threaded rod 12 is matched with the second threaded hole 23 and can rotate, and second guide holes 24 are symmetrically formed in one side wall of the U-shaped plate 11, so that the T-shaped rod 15 can slide to penetrate through the second guide holes 24, and a limiting effect is achieved.

Specifically, universal self-locking wheels 25 are mounted at four corners of the bottom of the U-shaped base 1.

In this embodiment, universal auto-lock wheel 25 has all been installed at the bottom four corners of U type base 1, makes when the device removes more convenient.

The working principle and the using process of the utility model are as follows: when needs use the device, at first place the paper that needs the show on panel 10, through rotatory threaded rod 12, make fixed transparent plate 16 fix it on the clamp plate 14, prevent that the paper from droing, can change the paper when not needing at will, drive two-way lead screw 2 through rotatory crank 4 and rotate, thereby make slide 6 remove and drive connecting rod 7 and rise, the regulation of height is carried out according to the teachers and students of different heights of being convenient for like this, make the more favourable teaching knowledge point on the show shelf of watching of teachers and students, some sit the content on the observation show shelf that the student at the back row can be more clear.

Claims

1. The utility model provides a show shelf, includes U type base (1), its characterized in that: a two-way screw rod (2) is rotatably connected to an adjacent side wall of the U-shaped base (1) through a bearing, one end of the two-way screw rod (2) penetrates through a side wall of the U-shaped base (1) and is fixedly provided with a turntable (3), a crank (4) is fixed to one side wall of the turntable (3), guide rods (5) are symmetrically fixed to an adjacent side wall of the U-shaped base (1), sliding plates (6) are symmetrically and slidably connected to the surfaces of the two guide rods (5), the sliding plates (6) are in threaded connection with the two-way screw rod (2), the tops of the two sliding plates (6) are symmetrically and rotatably connected with connecting rods (7) through bearings, the connecting rods (7) are arranged in a crossed manner, a supporting plate (8) is arranged above the U-shaped base (1), four connecting plates (9) are symmetrically and slidably connected to the tops of the supporting plate (8), and the four connecting plates (9) are symmetrical to each other, the top ends of the connecting rods (7) are rotatably connected with the bottom of the connecting plate (9) through pin shafts, a panel (10) is fixed on the top of the supporting plate (8), U-shaped plates (11) are fixed on two side walls of the panel (10), a threaded rod (12) is arranged on one side wall of the U-shaped plate (11), one end of the threaded rod (12) penetrates through one side wall of the U-shaped plate (11) through threads and is fixed with a knob (13), the other end of the threaded rod (12) is rotationally connected with a pressure plate (14) through a bearing, t-shaped rods (15) are symmetrically fixed on one side wall of the pressing plate (14), one end of each of the two T-shaped rods (15) penetrates through one side wall of the U-shaped plate (11) in a sliding mode, a transparent plate (16) is symmetrically fixed on one side wall of the pressing plate (14), an L-shaped plate (17) is fixed on one side wall of the panel (10), and an illuminating lamp (18) is installed on one side wall of the L-shaped plate (17).

2. A display stand according to claim 1, wherein: first guide holes (19) are symmetrically formed in one side wall of each of the two sliding plates (6), the two guide rods (5) penetrate through the corresponding first guide holes (19) in a sliding mode, first threaded holes (20) are formed in one side wall of each of the two sliding plates (6), and the two-way screw rods (2) are in threaded connection with the corresponding first threaded holes (20).

3. A display stand according to claim 1, wherein: t-shaped sliding grooves (21) are symmetrically formed in the bottom of the supporting plate (8), T-shaped sliding blocks (22) are fixed to the tops of the four connecting plates (9), and the T-shaped sliding blocks (22) are connected in the T-shaped sliding grooves (21) in a sliding mode.

4. A display stand according to claim 1, wherein: the surfaces of the crank (4) and the knob (13) are provided with anti-skid grains.

5. A display stand according to claim 1, wherein: a second threaded hole (23) is formed in one side wall of the U-shaped plate (11), the threaded rod (12) is in threaded connection with the second threaded hole (23), second guide holes (24) are symmetrically formed in one side wall of the U-shaped plate (11), and the T-shaped rods (15) penetrate through the corresponding second guide holes (24) in a sliding mode.

6. A display stand according to claim 1, wherein: universal self-locking wheels (25) are installed at four corners of the bottom of the U-shaped base (1).