CN210890738U

CN210890738U - Primary school's course teaching presentation device

Info

Publication number: CN210890738U
Application number: CN201922015290.8U
Authority: CN
Inventors: 邢文谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-30
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a primary school's course teaching presentation device, including the protective housing, symmetrical spout, every have been seted up to the inside wall of protective housing the equal fixedly connected with electric telescopic handle of interior diapire of spout, every the equal joint in inside of spout has the sliding block with every spout looks adaptation, every electric telescopic handle's output all with the bottom surface fixed connection of every sliding block, two the equal fixedly connected with connecting block in a side that the sliding block was kept away from each other, the inside of protective housing is equipped with the display panel, the symmetrical supporting shoe of bottom surface fixedly connected with of display panel. This primary school's course teaching presentation device can make the display panel shrink when not using, has played the effect of protecting teaching presentation device display panel, avoids the stubborn student to cause the damage to teaching presentation device's display panel, and it is troublesome to have reduced unnecessary, can make better the teaching of teacher, has also reduced cost of maintenance simultaneously.

Description

Primary school's course teaching presentation device

Technical Field

The utility model belongs to the technical field of teaching tool, especially, relate to a primary school's course teaching presentation device.

Background

The teaching tool is a general name of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during giving lessons, the teaching tool can improve the learning interest of the students, enrich perceptual knowledge, help to form clear concepts, develop the observation ability and thinking ability of the students and generally divide into a common teaching tool, a special teaching tool and a child teaching tool, wherein the special teaching aid is provided with a teaching demonstration device which can show students through an intelligent display panel, can lead students to better study, but the prior teaching demonstration device can not protect the display panel when not in use, as the pupils are relatively stubborn and the display panel of the teaching demonstration device is easy to be damaged, the teaching demonstration device brings certain trouble to teachers in the teaching process, and the maintenance cost is increased, so in order to solve the problems, the primary school course teaching demonstration device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned present teaching presentation device that exists and can't protect the display panel when not using, because the pupil is more stubborn skin, make teaching presentation device's display panel cause the damage easily, brought certain trouble for the teacher teaching in-process to cost of maintenance's problem has been increased.

The utility model is realized in such a way, a primary school course teaching demonstration device comprises a protective box, symmetrical chutes are arranged on the inner side wall of the protective box, the inner bottom wall of each chute is fixedly connected with an electric telescopic rod, the inner part of each chute is clamped with a sliding block matched with each chute, the output end of each electric telescopic rod is fixedly connected with the bottom surface of each sliding block, one side surface of each sliding block, which is far away from each other, is fixedly connected with a connecting block, a display panel is arranged in the protective box, the bottom surface of the display panel is fixedly connected with symmetrical supporting blocks, one side surface of each supporting block, which is far away from each other, is fixedly connected with one side surface of each connecting block, which is close to each other, the upper surface of each connecting block is provided with a sliding hole, and the inner bottom wall of each protective box is fixedly, every the top of slide bar all runs through every slide opening and with the interior roof fixed connection of protective housing, and the inner wall of slide opening contacts with the surface of slide bar, the opening has been seted up to the upper surface of protective housing, the upper surface of display panel runs through the opening and extends to the top of opening, the bottom surface fixedly connected with symmetrical supporting leg of protective housing, the interior bottom wall fixedly connected with symmetrical supporting seat of protective housing, every the equal fixedly connected with expansion bracket of upper surface of supporting seat, every the top of expansion bracket all with the bottom surface fixed connection of display panel.

The below of protective housing is equipped with the dead lever, both ends all are close to a side fixed connection each other with two supporting legs about the dead lever.

Every the equal fixedly connected with runner in bottom surface of supporting leg, and the horizontal length value of runner is greater than the horizontal length value of supporting leg.

The inner bottom wall fixedly connected with symmetrical stopper of protective housing, every the equal fixedly connected with protection pad of upper surface of stopper.

The left side face and the right side face of the protection box are fixedly connected with push handles, and anti-skid grains are arranged on the outer surfaces of the push handles.

Every the equal fixedly connected with of interior roof of spout prevents the fender, two a side that prevents the fender and keep away from each other all with the inside wall fixed connection of every spout.

Compared with the prior art, the beneficial effects of the utility model are that: power through the shrink of electric telescopic handle production, can drive the sliding block and slide downwards, decline through the sliding block, can make the connecting block that is connected with the sliding block descend, decline through the connecting block will make the display panel move downwards to the inside of protecting box, thereby can make the display panel shrink when not using, the effect of protecting teaching presentation device display panel has been played, the student of avoiding naughty leads to the fact the damage to teaching presentation device's display panel, it is troublesome to have reduced unnecessary, can make better the teaching of teacher, maintenance cost has also been reduced simultaneously, decline through the connecting block, the slide opening that also can make the connecting block moves in slide bar department, and drive the expansion bracket and contract, the stability of display panel ascending or descending has been guaranteed, also can support the display panel simultaneously.

Drawings

FIG. 1 is a cross-sectional view of the front view of the protective housing of the present invention;

FIG. 2 is a side view of the protective case of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a protective box; 2. a chute; 3. an electric telescopic rod; 4. a slider; 5. connecting blocks; 6. a display panel; 7. a support block; 8. a port; 9. a slide hole; 10. a slide bar; 11. supporting legs; 12. fixing the rod; 13. a rotating wheel; 14. a limiting block; 15. a protection pad; 16. a push handle; 17. a fender; 18. a supporting seat; 19. an expansion bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a primary school teaching demonstration device comprises a protective box 1, symmetrical sliding grooves 2 are formed in the inner side wall of the protective box 1, an electric telescopic rod 3 is fixedly connected to the inner bottom wall of each sliding groove 2, a sliding block 4 matched with each sliding groove 2 is clamped in each sliding groove 2, the output end of each electric telescopic rod 3 is fixedly connected to the bottom surface of each sliding block 4, a connecting block 5 is fixedly connected to one side surface of each sliding block 4 far away from each other, a display panel 6 is arranged in the protective box 1, symmetrical supporting blocks 7 are fixedly connected to the bottom surface of the display panel 6, one side surface of each supporting block 7 far away from each other is fixedly connected to one side surface of each connecting block 5 close to each other, a sliding hole 9 is formed in the upper surface of each connecting block 5, and a sliding rod 10 is fixedly connected to the inner bottom wall of each protective, every slide bar 10's top all runs through every slide opening 9 and with the interior roof fixed connection of protective housing 1, and the inner wall of slide opening 9 contacts with the surface of slide bar 10, opening 8 has been seted up to protective housing 1's upper surface, the upper surface of display panel 6 runs through opening 8 and extends to the top of opening 8, protective housing 1's symmetrical supporting leg 11 of bottom surface fixedly connected with, protective housing 1's interior bottom wall fixedly connected with symmetrical supporting seat 18, the equal fixedly connected with expansion bracket 19 of upper surface of every supporting seat 18, the top of every expansion bracket 19 all with the bottom surface fixed connection of display panel 6.

The utility model discloses in, the below of protective housing 1 is equipped with dead lever 12, a side fixed connection that both ends all are close to each other with two supporting legs 11 about dead lever 12, can make and connect between the supporting leg 11, the stability of supporting leg 11 has been improved, the equal fixedly connected with runner 13 in bottom surface of every supporting leg 11, and runner 13's horizontal length value is greater than supporting leg 11's horizontal length value, be convenient for remove teaching presentation device, certain manpower has been reduced, protective housing 1's symmetrical stopper 14 of inner diapire fixedly connected with, the equal fixedly connected with protection pad 15 in upper surface of every stopper 14, can restrict the position that display panel 6 descends, unnecessary damage has been reduced.

The equal fixedly connected with of left and right sides face of protective housing 1 pushes away 16, and every surface that pushes away 16 has all seted up anti-skidding line, is convenient for promote teaching presentation device, conveniently operates, and the equal fixedly connected with of the interior roof of every spout 2 prevents fender 17, and a side that two fender 17 kept away from each other all with the inside wall fixed connection of every spout 2, can prevent sliding block 4 and spout 2's collision, has played the effect of protecting both.

The utility model discloses a theory of operation is: when teaching presentation device does not use the needs to protect display panel 6, at first be linked together electric telescopic handle 3 with the power, the power that produces through the shrink of electric telescopic handle 3, can drive sliding block 4 and slide down in spout 2, decline through sliding block 4, will drive connecting block 5 of connecting and descend, decline through connecting block 5, can make supporting shoe 7 drive above-mentioned display panel 6 of connecting and move down, the bottom surface until display panel 6 contacts with protection pad 15 on stopper 14, thereby can make display panel 6 descend to the inside of protecting box 1 through opening 8, the effect of protecting display panel 6 has been played.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a primary school's course teaching presentation device, includes protective housing (1), its characterized in that: symmetrical sliding grooves (2) are formed in the inner side wall of the protective box (1), an inner bottom wall of each sliding groove (2) is fixedly connected with an electric telescopic rod (3), a sliding block (4) matched with each sliding groove (2) is clamped in each sliding groove (2), the output end of each electric telescopic rod (3) is fixedly connected with the bottom surface of each sliding block (4), one side surface, far away from each other, of each sliding block (4) is fixedly connected with a connecting block (5), a display panel (6) is arranged in the protective box (1), the bottom surface of each display panel (6) is fixedly connected with symmetrical supporting blocks (7), one side surface, far away from each other, of each supporting block (7) is fixedly connected with one side surface, close to each other, of each connecting block (5), and a sliding hole (9) is formed in the upper surface of each connecting block (5), every the equal fixedly connected with slide bar (10) of inner bottom wall of protective housing (1), every the top of slide bar (10) all runs through every slide opening (9) and with the interior roof fixed connection of protective housing (1), and the inner wall of slide opening (9) contacts with the surface of slide bar (10), opening (8) have been seted up to the upper surface of protective housing (1), the upper surface of display panel (6) runs through opening (8) and extends to the top of opening (8), the bottom surface fixedly connected with symmetrical supporting leg (11) of protective housing (1), the inner bottom wall fixedly connected with symmetrical supporting seat (18) of protective housing (1), every the equal fixedly connected with expansion bracket (19) of upper surface of supporting seat (18), every the top of expansion bracket (19) all with the bottom surface fixed connection of display panel (6).

2. The primary school teaching demonstration apparatus of claim 1 wherein: the protective box is characterized in that a fixing rod (12) is arranged below the protective box (1), and the left end and the right end of the fixing rod (12) are fixedly connected with one side face of each supporting leg (11), wherein the side faces are close to each other.

3. The primary school teaching demonstration apparatus of claim 1 wherein: the bottom surface of each supporting leg (11) is fixedly connected with a rotating wheel (13), and the horizontal length value of the rotating wheel (13) is larger than that of the supporting leg (11).

4. The primary school teaching demonstration apparatus of claim 1 wherein: the inner bottom wall of the protective box (1) is fixedly connected with symmetrical limiting blocks (14), and each upper surface of each limiting block (14) is fixedly connected with a protection pad (15).

5. The primary school teaching demonstration apparatus of claim 1 wherein: the left side face and the right side face of the protective box (1) are fixedly connected with push handles (16), and anti-skid grains are arranged on the outer surface of each push handle (16).

6. The primary school teaching demonstration apparatus of claim 1 wherein: every the equal fixedly connected with of interior roof of spout (2) fender (17), two a side that fender (17) kept away from each other all with the inside wall fixed connection of every spout (2).