CN209807680U

CN209807680U - Novel mathematical statistics chart analysis display device

Info

Publication number: CN209807680U
Application number: CN201920084077.XU
Authority: CN
Inventors: 姜喜春; 王永娟
Original assignee: Heihe University
Current assignee: Heihe University
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2019-12-20
Anticipated expiration: 2029-01-17

Abstract

The utility model discloses a novel mathematics statistics chart analysis show device includes the base, square groove has been seted up to the upper end of base, the upper end fixedly connected with electric telescopic handle of base, first pinhole has been seted up to electric telescopic handle's flexible end lateral wall. The supporting rod is arranged at the position corresponding to the first pin hole, and a second pin hole is formed in the side wall of the supporting rod. The utility model discloses a wave the first in command and make the threaded rod rotate, the diaphragm with threaded rod threaded connection reciprocates, the brush hair of diaphragm lower extreme can be cleaned the glass of show box like this, play a good clean effect, the part that has the tooth through half chi wheel makes gear revolve, thereby make first roller rotate, make the cloth piece remove one section distance again, the chart that can make the show changes next, because half gear drive's distance is certain, consequently the chart position of changing at every turn all is the same, and just in time be in the optimum position of show.

Description

Novel mathematical statistics chart analysis display device

Technical Field

The utility model relates to a teaching display device technical field especially relates to a novel mathematical statistics chart analysis show device.

Background

In the world, various forms of charts are presented in a plurality of ways, some of which are very large and some of which are very complex, but basically the charts have the following consistent characteristics. The first characteristic of the chart is that the character components are very low, and generally, the character description and the text display are not used as the whole as the writing of an article. The words in the drawings are often used solely to interpret or label data, source, etc., or perhaps more importantly, subject matter.

Statistical chart often need carry out contrastive analysis to the chart of two different types when teaching show, like this when changing the chart, still need take out the chart from display device, puts into other charts again, and whole process is more troublesome, and the chart of placing moreover can be because the position of placing is improper, influences the bandwagon effect, and display device's glass often is polluted by dust etc. when using moreover, also can influence the bandwagon effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel mathematical statistics chart analysis display device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel mathematics statistics chart analysis show device, includes the base, square groove has been seted up to the upper end of base, the upper end fixedly connected with electric telescopic handle of base, first pinhole has been seted up to electric telescopic handle's flexible end lateral wall. The utility model discloses a display device, including first pinhole, second pinhole, strip-shaped groove, bolt, display device, first pinhole corresponds position department and is equipped with the bracing piece, the second pinhole has been seted up to the lateral wall of bracing piece, the strip-shaped groove has been seted up in the bracing piece, the bolt has been inserted on the second pinhole, the bolt extends to the strip-shaped groove and inserts first pinhole, display device is installed to the upper end.

Preferably, the display device includes fixed connection at the display box of bracing piece upper end, set up two show grooves in the display box, one fixedly connected with show board in the show groove, another install exchange mechanism in the show groove, sliding connection has the diaphragm on the inner wall of display box, the lower extreme fixedly connected with brush hair of diaphragm, the upper end of display box runs through to rotate and is connected with the threaded rod, the one end of threaded rod is rotated and is connected on the inner wall of display box, and threaded rod and diaphragm threaded connection, the other end fixedly connected with first in command of threaded rod.

Preferably, change mechanism is including running through the lateral wall of show case and the dwang of swivelling joint above that, the dwang extends to the one end fixedly connected with half gear of show incasement, the other end fixedly connected with second handle of dwang, it has the quarter butt to rotate on the inside wall of show case, the keyway has been seted up on the quarter butt, sliding connection has the key on the keyway, key fixed connection is in the inner wall department of gear, the first roller of lateral wall fixedly connected with of the gear of locating, the lateral wall fixedly connected with pull rod of first roller, the inside wall lower part of show case rotates and is connected with the connecting rod, the lateral wall fixedly connected with second roller of connecting rod, first roller passes through the cloth piece transmission with the second roller.

Preferably, the inner wall of the display groove is provided with transparent glass.

Preferably, the lower end of the base is provided with a universal wheel.

Preferably, the first handle and the second handle are both engraved with anti-slip lines.

The utility model discloses following beneficial effect has:

1. the threaded rod is rotated by shaking the first handle, and the transverse plate is limited to slide in the display box, so that the transverse plate in threaded connection with the threaded rod can move up and down, and the bristles at the lower end of the transverse plate can clean the glass in the display box, thereby achieving a good cleaning effect;

2. the half gear rotates by rotating the second handle, the gear is meshed with the half gear by pushing the pull rod, so that the gear rotates by the toothed part of the half gear, the first roller rotates, the cloth piece moves for a certain distance, the displayed chart can be changed to the next chart, and the position of the chart changed each time is the same and just at the optimal position for displaying because the transmission distance of the half gear is fixed.

Drawings

Fig. 1 is a schematic structural view of a novel mathematical statistics chart analysis display device provided by the present invention;

fig. 2 is a schematic view of an internal structure of a display device of the novel mathematical statistics chart analysis display device provided by the present invention;

fig. 3 is the utility model provides a novel mathematical statistics chart analysis shows device's gear and quarter butt complex section sketch map.

In the figure: 1 base, 2 square grooves, 3 electric telescopic handle, 4 bolts, 5 bracing pieces, 6 bar grooves, 7 show casees, 8 diaphragm, 9 threaded rods, 10 first handles, 11 cloth piece, 12 first rollers, 13 show grooves, 14 show boards, 15 pull rods, 16 gears, 17 quarter butt, 18 second handles, 19 semi-gears, 20 dwang, 21 connecting rods, 22 second rollers.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a novel mathematical statistics chart analysis display device, includes base 1, and the universal wheel is installed to the lower extreme of base 1, and square groove 2 has been seted up to the upper end of base 1, and base 1's upper end fixedly connected with electric telescopic handle 3, electric telescopic handle 3's flexible end lateral wall has seted up first pinhole. The bracing piece 5 is equipped with in the department that first pinhole corresponds the position, and the second pinhole has been seted up to the lateral wall of bracing piece 5, has seted up bar groove 6 in the bracing piece 5, has inserted bolt 4 on the second pinhole, and bolt 4 extends to bar groove 6 and inserts first pinhole, and display device is installed to the upper end of bracing piece 5.

The display device comprises a display box 7 fixedly connected to the upper end of a support rod 5, two display grooves 13 are formed in the display box 7, transparent glass is installed on the inner wall of each display groove (13), a display board 14 is fixedly connected to the inner end of each display groove 13, an exchange mechanism is installed in each display groove 13, a transverse plate 8 is slidably connected to the inner wall of each display box 7, bristles are fixedly connected to the lower end of each transverse plate 8, a threaded rod 9 is connected to the upper end of each display box 7 in a penetrating mode, one end of each threaded rod 9 is connected to the inner wall of each display box 7 in a rotating mode, the threaded rods 9 are connected with the transverse plates 8 in a threaded mode, and a.

Exchange mechanism is including running through the lateral wall of show case 7 and rotating the dwang 20 of connection on it, dwang 20 extends to the one end fixedly connected with half gear 19 in the show case 7, the other end fixedly connected with second handle 18 of dwang 20, all be carved with anti-skidding line on first handle 10 and the second handle 18, it has quarter butt 17 to rotate on the inside wall of show case 7, the keyway has been seted up on the quarter butt 17, sliding connection has the key on the keyway, key fixed connection is in the inner wall department of gear 16, the first roller 12 of the lateral wall fixedly connected with of gear 16 that locates, the lateral wall fixedly connected with pull rod 15 of first roller 12, the inside wall lower part of show case 7 rotates and is connected with connecting rod 21, the lateral wall fixedly connected with second roller 22 of connecting rod 21, first roller 12 passes through the transmission of cloth piece 11 with second roller 22.

In the utility model, when the teaching needs to be displayed, the electric telescopic rod 3 is opened to be raised to a proper height, the bolt 4 is inserted into the pin hole to be fixed in height, when the chart needs to be replaced for comparison, the second handle 18 is rotated to rotate the rotating rod 20 to drive the half gear 19 to rotate, then the pull rod 15 is pushed to move the first roller 12 and the gear 16, the gear 16 moves along the key slot, when the gear 16 and the half gear 19 start to be meshed, the gear 16 is loosened, at the moment, a part of the teeth of the half gear 19 drive the gear 16 to rotate for a distance, so that the first roller 12 fixedly connected with the gear 16 also rotates for a distance, and the distance just enables the chart on the cloth piece 11 to move to be replaced to the next chart, thus the change of different charts can be completed, the comparison display can be performed, when the glass on the display box 7 is dirty and needs to be cleaned, the first handle 10 is rotated, the threaded rod 9 is in threaded connection with the transverse plate 8, the transverse plate 8 is in sliding connection with the inside of the display box 7, the transverse plate 8 moves up and down, the brush bristles at the lower end of the transverse plate 8 can clean glass, a good cleaning effect is achieved, the bolt 4 can be pulled out when the display box is not used, and the display box 7 is placed into the square groove 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel mathematics statistics chart analysis display device, includes base (1), its characterized in that, square groove (2) have been seted up to the upper end of base (1), upper end fixedly connected with electric telescopic handle (3) of base (1), first pinhole has been seted up to the flexible end lateral wall of electric telescopic handle (3), first pinhole corresponds position department and is equipped with bracing piece (5), the second pinhole has been seted up to the lateral wall of bracing piece (5), bar groove (6) have been seted up in bracing piece (5), bolt (4) have been inserted on the second pinhole, bolt (4) extend to bar groove (6) and insert first pinhole, display device is installed to the upper end of bracing piece (5).

2. The novel mathematical statistics chart analysis and demonstration device according to claim 1, the display device comprises a display box (7) fixedly connected with the upper end of the support rod (5), two display grooves (13) are arranged in the display box (7), a display plate (14) is fixedly connected in one display groove (13), an exchange mechanism is arranged in the other display groove (13), a transverse plate (8) is connected on the inner wall of the display box (7) in a sliding way, the lower end of the transverse plate (8) is fixedly connected with bristles, the upper end of the display box (7) is connected with a threaded rod (9) in a penetrating and rotating way, one end of the threaded rod (9) is rotatably connected on the inner wall of the display box (7), and the threaded rod (9) is in threaded connection with the transverse plate (8), and the other end of the threaded rod (9) is fixedly connected with a first handle (10).

3. The novel mathematical statistics chart analysis display device according to claim 2, wherein the exchange mechanism comprises a rotating rod (20) penetrating through and rotatably connected to the side wall of the display box (7), one end of the rotating rod (20) extending into the display box (7) is fixedly connected with a half gear (19), the other end of the rotating rod (20) is fixedly connected with a second handle (18), the inner side wall of the display box (7) is rotatably connected with a short rod (17), the short rod (17) is provided with a key slot, the key slot is slidably connected with a key, the key is fixedly connected to the inner wall of the gear (16), the side wall of the gear (16) is fixedly connected with the first roller (12), the side wall of the first roller (12) is fixedly connected with a pull rod (15), and the lower portion of the inner side wall of the display box (7) is rotatably connected with a connecting rod (21), the side wall of the connecting rod (21) is fixedly connected with a second roller (22), and the first roller (12) and the second roller (22) are driven through the cloth piece (11).

4. A novel mathematical statistics chart analysis display device according to claim 2, characterized in that the inner wall of the display groove (13) is provided with transparent glass.

5. The novel mathematical statistics chart analysis and demonstration device according to claim 1, characterized in that the lower end of the base (1) is provided with universal wheels.

6. A novel mathematical statistics chart analysis and presentation device according to claim 3, characterized in that the first handle (10) and the second handle (18) are engraved with anti-slip lines.