CN214312242U

CN214312242U - Teaching specimen showing stand

Info

Publication number: CN214312242U
Application number: CN202120525138.9U
Authority: CN
Inventors: 张月兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-09-28
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a teaching specimen showing stand, which comprises a base plate, a case is connected in the middle of the top of the base plate, a support is welded on the top of the case, the support is T-shaped, the support comprises an internal hollow vertical rod and transverse plates which are positioned on two sides of the vertical rod and symmetrically arranged along the central axis of the vertical rod, the two sides of the top of the transverse plates are rotatably connected with connecting rods through bearings, the top ends of the two connecting rods are connected with driven gears, first driving wheels are sleeved on the outer surfaces of the two connecting rods, and the two sides of the transverse plates are rotatably connected with a storage bottle through rotating pieces; the specimen with higher height can be displayed, and the application range is wide; the movable type teaching aid has the advantages of being convenient to move, stable to place, good in using effect and the like, and has high practical value and popularization value in the technical field of teaching aids.

Description

Teaching specimen showing stand

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching sample show shelf.

Background

Specimens are animal, plant, mineral and other real objects, can be preserved for a long time after various treatments, and keep original appearances as much as possible, so that the specimens can be used for exhibition, demonstration, education, identification, examination and other various researches, and in quality education, in order to enable students to more intuitively carry out display teaching on the specimens by using a specimen display rack for biological science related knowledge of animals, plants and the like.

And current teaching sample show shelf, its structure is comparatively crude, when the show sample, only can carry out the show of one side to the sample, it is difficult to carry out rotatory show to the sample, it is relatively poor to cause the sample bandwagon effect, be unfavorable for to impart knowledge to students, and current sample show shelf is when showing the sample, because its sample shelf height is fixed, consequently, lead to it to show the sample of specific height only, be difficult to show some high samples, consequently, the application scope of sample show shelf has been restricted greatly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching sample show shelf to propose difficult to the rotatory show of sample in solving above-mentioned background art, cause the sample bandwagon effect poor, be unfavorable for teaching the cognition to the student, sample show shelf height is fixed, is difficult to the show of the higher sample of height, restricts sample show shelf application scope's problem.

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

a teaching specimen display rack comprises a bottom plate, wherein a case is connected in the middle of the top of the bottom plate, a support is welded at the top end of the case and is T-shaped, the support comprises a vertical rod with a hollow inner part and transverse plates which are symmetrically arranged on two sides of the vertical rod along the central axis of the vertical rod, two sides of the top of the transverse plates are rotatably connected with connecting rods through bearings, the top ends of the two connecting rods are respectively connected with a driven gear, first driving wheels are respectively sleeved on the outer surfaces of the two connecting rods, two sides of the transverse plates are respectively rotatably connected with a storage bottle through rotating pieces, any rotating piece comprises a rotating rod with the bottom end connected with the storage bottle and the top end penetrating through the transverse plate and a sleeve ring sleeved on the outer surface of the rotating rod, the outer annular surface of the sleeve ring is connected with the transverse plate, the top ends of the two rotating rods are respectively connected with a second driving wheel, and any second driving wheel is connected with the first driving wheel through a driving belt, any one of the storage bottles comprises a transparent cover which is hollow inside and has an opening at the bottom, a positioning hole which is arranged around the outer ring surface of the transparent cover and is close to the opening at the bottom, a sealing cover which is coaxially clamped at the bottom of the transparent cover, positioning elastic buttons which are arranged around the outer ring surface of the sealing cover, correspond to the positioning holes one by one and are matched with the positioning holes, and a specimen rack which is arranged in the middle inside the transparent cover, the specimen holder comprises a screw rod with the bottom end connected with the middle of the top of the sealing cover, a loop bar sleeved on the outer surface of the screw rod, and the inside of the loop bar is provided with an internal thread matched with the screw rod, the top end of the loop bar is connected with a cross bar, the two ends of the cross rod are both connected with fixing clamps, the inside of the case is provided with a motor, the output end of the motor is connected with a rotating shaft which vertically and upwards penetrates through the middle inside the vertical rod, and the top of pivot is connected with the driving gear, just the driving gear and two driven gear intermeshing.

Preferably, the bottom plate is isosceles trapezoid shape, the bottom plate is made by the stainless steel, just the universal wheel is all installed in the bottom four corners of bottom plate, arbitrary one side of universal wheel is equipped with the stopper.

Preferably, the inner annular surface of the lantern ring is smooth, and the lantern ring is rotatably connected with the rotating rod.

Preferably, the size of the sealing cover is larger than that of the bottom opening of the transparent cover, and a sealing gasket ring is arranged at the joint of the periphery of the top of the sealing cover and the bottom opening of the transparent cover.

Preferably, the length of the sleeve is greater than the length of the screw.

Preferably, the bracket is made of stainless steel.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model is skillfully provided with a motor, a rotating shaft, a driving gear, a connecting rod, a driven gear, a first driving wheel and a rotating part, because the rotating part comprises a rotating rod, a lantern ring and a second driving wheel, and the second driving wheel is connected with the first driving wheel through a driving belt, when a user uses the specimen showing stand to show a specimen, the motor can be started first, the driving gear is driven to rotate through the rotating shaft after the motor is started, and because the driving gear is meshed with the driven gear, the driven gear is driven to rotate after the driving gear is rotated, and further the first driving wheel is driven to rotate through the connecting rod, the second driving wheel is driven to rotate through the driving belt after the first driving wheel is rotated, and the storage bottle for placing the specimen can be driven to rotate through the rotating rod after the second driving wheel is rotated, so that the showing stand can rotationally show the specimen, thereby greatly improving the display effect of the specimen display stand and being beneficial to teaching and cognition of students.

(2) The utility model discloses be equipped with the sample shelf ingeniously, because the sample shelf includes the screw rod, the loop bar, horizontal pole and fixation clamp, because the surface of screw rod is located to the loop bar cover, and its length is greater than the length of screw rod, the inside internal thread identical with the screw rod of having seted up of loop bar simultaneously, consequently when the user needs to show some high sample shelf centre grippings on the sample shelf, the user is earlier according to the height of sample, rotate the loop bar, make the loop bar go up the slip on the screw rod through the internal thread after rotatory, with this highly rising regulation with the sample shelf, treat that sample shelf height is suitable back with sample height regulation, the user carries out the centre gripping show with the sample through the fixation clamp, with this kind of show shelf can show some high samples, thereby improve the application scope of this kind of show shelf.

(3) The utility model discloses be equipped with the universal wheel ingeniously, through the universal wheel, the user can promote the show shelf fast, and convenient to use person removes the show shelf, and is equipped with the stopper in one side of outside wheel, through the stopper, brakies the show shelf to make the show shelf place stably, avoid the show shelf show to take place to remove, thereby make the show shelf result of use better.

In conclusion, the utility model has good display effect, and is beneficial to teaching and cognition for students; the specimen with higher height can be displayed, and the application range is wide; the movable type teaching aid has the advantages of being convenient to move, stable to place, good in using effect and the like, and has high practical value and popularization value in the technical field of teaching aids.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural view of the storage bottle of the present invention.

Fig. 4 is an enlarged schematic view of a part of the structure of a of the present invention.

Fig. 5 is an enlarged schematic view of a local structure of B of the present invention.

Fig. 6 is an enlarged schematic view of a partial structure of C of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1. a base plate; 2. a chassis; 20. a motor; 21. a rotating shaft; 22. a driving gear; 3. a support; 30. a vertical rod; 31. a transverse plate; 32. a connecting rod; 33. a driven gear; 34. a first drive pulley; 4. a rotating member; 40. a rotating rod; 41. a collar; 42. a second transmission wheel; 5. storing the bottles; 50. a transparent cover; 51. positioning holes; 52. sealing the cover; 53. positioning the spring button; 54. a specimen holder; 541. a screw; 542. a loop bar; 543. a cross bar; 544. a fixing clip; 6. a drive belt; 7. a universal wheel.

Detailed Description

To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-6, the present invention provides a technical solution: a teaching specimen display rack comprises a bottom plate 1, a case 2 is connected in the middle of the top of the bottom plate 1, a support 3 is welded at the top end of the case 2, the support 3 is T-shaped, the support 3 comprises a vertical rod 30 with a hollow inner part and transverse plates 31 positioned at two sides of the vertical rod 30 and symmetrically arranged along the axis of the vertical rod 30, two sides of the top of the transverse plates 31 are rotatably connected with connecting rods 32 through bearings, the top ends of the two connecting rods 32 are connected with driven gears 33, first driving wheels 34 are sleeved on the outer surfaces of the two connecting rods 32, two sides of the transverse plates 31 are rotatably connected with storage bottles 5 through rotating pieces 4, any rotating piece 4 comprises a rotating rod 40 with a bottom end connected with the storage bottles 5 and a sleeve ring 41 with the top end penetrating through the transverse plate 31 and sleeved on the outer surface of the rotating rod 40, the outer annular surface of the sleeve ring 41 is connected with the transverse plates 31, the top ends of the two rotating rods 40 are connected with second driving wheels 42, any second driving wheel 42 is connected with the first driving wheel 34 through a driving belt 6, any storage bottle 5 comprises a transparent cover 50 which is hollow inside and has an opening at the bottom, a positioning hole 51 which is arranged around the outer annular surface of the transparent cover 50 and is close to the opening at the bottom, a sealing cover 52 which is coaxially sleeved at the bottom of the transparent cover 50, positioning elastic buttons 53 which are arranged around the outer annular surface of the sealing cover 52 and correspond to and are matched with the positioning holes 51 one by one, a specimen rack 54 which is arranged in the middle of the inside of the transparent cover 50, the specimen rack 54 comprises a screw 541 of which the bottom end is connected with the middle of the top of the sealing cover 52, a loop bar 542 which is sleeved on the outer surface of the screw 541, the interior of the loop bar 542 is provided with internal threads which are matched with the screw 541, the top end of the loop bar 542 is connected with a cross bar 543, both ends of the cross bar 543 are connected with fixing clamps 544, a motor 20 is arranged in the case 2, the output end of the motor 20 is connected with a rotating shaft 21 which vertically penetrates through the middle of the vertical bar 30, and the top of pivot 21 is connected with driving gear 22, and driving gear 22 and two driven gear 33 intermeshing, and the motor 20 drives driving gear 22 through pivot 21 after the work of being convenient for and rotates, and then makes driving gear 22 drive driven gear 33 rotatory.

Referring to fig. 1, 3 and 5, the bottom plate 1 is in an isosceles trapezoid shape, the bottom plate 1 is made of stainless steel, the universal wheels 7 are mounted at four corners of the bottom plate 1, one side of any universal wheel 7 is provided with a brake, the stainless steel can increase the strength and rigidity of the bottom plate 1, so that the bottom plate 1 can support the display rack, the universal wheels 7 are beneficial for a user to push the display rack to move, the brake is convenient for braking the display rack, the display rack is stable to place, and the display rack is prevented from moving when a specimen is displayed; the inner ring surface of the lantern ring 41 is smooth, and the lantern ring 41 is rotatably connected with the rotating rod 40, so that the friction force between the lantern ring 41 and the rotating rod 40 is reduced, and the rotating rod 40 can rotate more smoothly.

Referring to fig. 1, 2 and 6, the size of the sealing cover 52 is larger than the size of the bottom opening of the transparent cover 50, a sealing gasket is disposed at a connection portion between the periphery of the top of the sealing cover 52 and the bottom opening of the transparent cover 50, so that the sealing cover 52 can seal the transparent cover 50, the sealing gasket is helpful for increasing the sealing performance between the sealing cover 52 and the transparent cover 50, the length of the loop bar 542 is larger than that of the screw 541, and the loop bar 542 can slide up and down on the outer surface of the screw 541 through the internal thread after the loop bar 542 is rotated.

Referring to fig. 1, the frame 3 is made of stainless steel, which can increase the strength of the frame 3, so that the frame 3 can better support the storage bottle 5.

The working principle of the utility model is simply explained as follows:

firstly, when using the display shelf, a user pushes the display shelf to move to a display place through the universal wheels 7 around the bottom of the bottom plate 1, after the display shelf moves to a working place, the user brakes the universal wheels 7 through the brake, then pulls the positioning elastic button 53 out of the positioning hole 51, so as to detach the sealing cover 52 from the bottom of the transparent cover 50, after detaching the sealing cover 52, the user rotates the loop bar 542 according to the height of the specimen, so that the loop bar 542 rotates and then slides upwards on the screw 541 through the internal thread, so as to lift and adjust the height of the specimen shelf 54, after the height of the specimen shelf 54 is adjusted to be proper with the height of the specimen, the user clamps the specimen through the fixing clamp 544, after the specimen is fixed, the user can install the sealing cover 52 at the bottom of the transparent cover 50, so as to place the specimen shelf 54 into the transparent cover 50, and fix the sealing cover 52 through the positioning elastic button 53 and the positioning hole 51, so that closing cap 52 seals translucent cover 50, and put the back at the sample, user's starter motor 20, it is rotatory to make its work back drive driving gear 22 through pivot 21, it is rotatory to drive driven gear 33 after the driving gear 22 is rotatory, and then make driven gear 33 drive first drive wheel 34 rotatory through connecting rod 32, it is rotatory to drive second drive wheel 42 through driving belt 6 after first drive wheel 34 is rotatory, and second drive wheel 42 is rotatory back can drive the storage bottle 5 of placing the sample through bull stick 40 and rotate, with this make the show shelf carry out rotatory show to the sample, thereby improve the bandwagon effect of sample show shelf, and do benefit to the student and impart knowledge to students.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a teaching sample show shelf, includes bottom plate (1), the top intermediate junction of bottom plate (1) has quick-witted case (2), the top welding of machine case (2) has support (3), a serial communication port, support (3) are T shape, just support (3) include inside hollow montant (30) and be located montant (30) both sides, with diaphragm (31) that montant (30) axis symmetry set up, the top both sides of diaphragm (31) all have connecting rod (32), two through bearing rotatable coupling, the top of connecting rod (32) all is connected with driven gear (33), and two first drive wheel (34) has all been cup jointed to the surface of connecting rod (32), the both sides of diaphragm (31) all are through rotating piece (4) and deposit bottle (5) rotatable coupling, arbitrary rotate piece (4) including the bottom be connected with deposit bottle (5), A rotating rod (40) the top end of which penetrates through the transverse plate (31) and a sleeve ring (41) sleeved on the outer surface of the rotating rod (40), the outer ring surface of the sleeve ring (41) is connected with the transverse plate (31), the top ends of the two rotating rods (40) are both connected with second driving wheels (42), any second driving wheel (42) is connected with the first driving wheel (34) through a driving belt (6), any storage bottle (5) comprises a transparent cover (50) which is hollow inside and cylindrical and has an opening at the bottom, positioning holes (51) which are arranged on the periphery of the outer ring surface of the transparent cover (50) and are close to the opening at the bottom, a sealing cover (52) which is coaxially sleeved on the bottom of the transparent cover (50), positioning elastic buttons (53) which are arranged on the periphery of the outer ring surface of the sealing cover (52) and are in one-to-one correspondence with and are matched with the positioning holes (51), and a specimen holder (54) which is arranged in the middle inside of the transparent cover (50), the utility model discloses a specimen holder, including specimen holder (54) screw rod (541) that are connected in the middle of bottom and closing cap (52) top, loop bar (542) of screw rod (541) surface are located to the cover, just the identical internal thread with screw rod (541) is seted up to the inside of loop bar (542), the top of loop bar (542) is connected with horizontal pole (543), the both ends of horizontal pole (543) all are connected with fixation clamp (544), the inside of quick-witted case (2) is equipped with motor (20), the output of motor (20) is connected with vertical pivot (21) of upwards passing montant (30) inside centre, just the top of pivot (21) is connected with driving gear (22), just driving gear (22) and two driven gear (33) intermeshing.

2. The teaching specimen display stand according to claim 1, wherein the bottom plate (1) is in an isosceles trapezoid shape, the bottom plate (1) is made of stainless steel, universal wheels (7) are mounted at four corners of the bottom plate (1), and a brake is arranged on one side of any one universal wheel (7).

3. An instructional specimen display stand according to claim 1, wherein the inner annular surface of the collar (41) is smooth and the collar (41) is rotatably connected to the rotary rod (40).

4. The teaching specimen display stand according to claim 1, wherein the size of the cover (52) is larger than the size of the bottom opening of the transparent cover (50), and a sealing gasket ring is arranged at the connection position of the periphery of the top of the cover (52) and the bottom opening of the transparent cover (50).

5. An instructional specimen display stand according to claim 1, wherein the length of said loop bar (542) is greater than the length of the threaded rod (541).

6. A teaching specimen presentation stand according to claim 1, characterized in that the support (3) is made of stainless steel.