CN215936810U

CN215936810U - Height-adjustable show teaching aid

Info

Publication number: CN215936810U
Application number: CN202122202398.5U
Authority: CN
Inventors: 姜晓丽; 苏明辉
Original assignee: Qingdao Binhai University
Current assignee: Qingdao Binhai University
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-04
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the field of teaching aid equipment, in particular to a height-adjustable display teaching aid, which comprises a display board unit, an upper seat board, a rotation control unit, a bracket unit and a lower seat board, wherein the upper seat board is arranged on the display board unit; two display board units are arranged, and the two display board units are relatively and rotatably matched on the upper seat board; the rotation control unit arranged on the upper seat plate is in transmission connection with the two display plate units so as to drive the two display plate units to rotate in different clockwise directions; the bracket unit comprises a lifting sleeve, a fixed support rod, a height-adjusting screw rod and a regulating and controlling rotating wheel; one end of the heightening screw rod is fixed with the adjusting and controlling rotating wheel, the other end of the heightening screw rod rotates on the lower seat plate, and the middle part of the heightening screw rod is in threaded transmission connection with the lifting sleeve. The adjustable bracket unit is adopted in the utility model, so that the horizontal heights of the two display board units on the upper seat plate can be properly adjusted, and the display board units are prevented from being shielded by shielding objects to influence the use effect when in display use.

Description

Height-adjustable show teaching aid

Technical Field

The utility model relates to the field of teaching aid equipment, in particular to a height-adjustable display teaching aid.

Background

The teaching aid is used as an auxiliary teaching tool, has irreplaceable effects of other means, is really brought into the teaching process according to needs, is in fact based, is selected and used in due time, can excite the learning interest of students, highlight the teaching key point, break through the teaching difficult point and improve the teaching quality and efficiency; but present show teaching aid structure is comparatively simple, when showing, is difficult for realizing the function of lift, and inconvenient user carries out effectual regulation to the height of show teaching aid according to site environment, appears when the phenomenon sheltered from at the show teaching aid, has influenced the bandwagon effect of show teaching aid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a height-adjustable display teaching aid which can effectively solve the problems in the prior art.

The purpose of the utility model is realized by the following technical scheme:

a height-adjustable display teaching aid comprises a display board unit, an upper seat board, a rotation control unit, a bracket unit and a lower seat board; two display board units are arranged, and the two display board units are relatively and rotatably matched on the upper seat board; the rotation control unit arranged on the upper seat plate is in transmission connection with the two display plate units so as to drive the two display plate units to rotate in different clockwise directions; the bracket unit comprises a lifting sleeve, a fixed support rod, a height-adjusting screw rod and a regulating and controlling rotating wheel; the fixed regulation and control runner of accent high lead screw one end, the accent high lead screw other end rotates on the bedplate down, and the screw thread transmission in the middle part of the accent high lead screw connects the lift sleeve to drive the slip that the lift sleeve carried out vertical direction on fixed branch, fixed branch is fixed on the bedplate down, and the lift sleeve is fixed on last bedplate.

Preferably, the regulating and controlling rotating wheel comprises a disk fixed on the height regulating screw rod and a plurality of screwing deflector rods uniformly surrounding and fixed on the disk.

Preferably, the screwing deflector rod is bonded with a rubber sleeve.

Preferably, the rotation control unit comprises a bidirectional screw, a horizontal slider, a transmission sliding plate and a rack; the two-way screw rod passes through the bearing frame and rotates on the upper seat board, and two horizontal sliders of two end screw-thread fit two relative slip in upper seat board side slide of two-way screw rod, a transmission slide is fixed respectively to the lower extreme of two horizontal sliders, two transmission slides and two rack one-by-one fixed connection, two rack toothing transmission connect two show board units.

Preferably, the display board unit comprises a chute frame, a drawing writing board, a rotating shaft and a gear; the top of the sliding chute frame is provided with an inserting groove, and the drawing writing board is inserted in the inserting groove; the bottom of the chute frame is fixed on a rotating shaft, the rotating shaft rotates on the upper seat plate, and a gear fixed on the rotating shaft is meshed with the rack.

Preferably, the display board unit further comprises a board eraser, a mounting frame, a cross shaft, a compression spring and a limit nut; the inner side of the blackboard eraser is attached to the drawing writing board, the outer side of the blackboard eraser is assembled on the mounting frame, two ends of the mounting frame are respectively fixed with a transverse shaft, the two transverse shafts slide on two ends of the chute frame, compression springs are sleeved on the transverse shafts, and the compression springs are positioned between the chute frame and the mounting frame; the cross shaft is in threaded fit with a limiting nut, and the limiting nut and the mounting frame are respectively positioned at two ends of the chute frame.

Preferably, the drawing tablet is a whiteboard.

Preferably, four walking wheels are connected to four corners of the lower seat plate in a matched manner.

Preferably, the walking wheels are Frounet wheels.

The utility model has the beneficial effects that: according to the height-adjustable display teaching aid, the adjustable support units are adopted in the height-adjustable display teaching aid, so that the horizontal heights of the two display board units on the upper seat plate can be properly adjusted, and the display board units are prevented from being shielded by shielding objects to influence the use effect when being displayed and used; the display board unit is internally provided with a detachable drawing writing board, so that the drawing writing board can be conveniently drawn out for writing or replaced, and the use is convenient; the rotation control unit can control two show board units and carry out the rotation of different hour directions on last bedplate, rotates to two pull clipboards back to the setting, and the different writers of being convenient for write, also prevent that the different writers from plagiarizing each other.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;

FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a display board unit according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a chute frame according to an embodiment of the utility model;

fig. 5 is a schematic structural diagram of a rotation control unit according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a rack unit according to an embodiment of the present invention.

Icon: a display board unit 1; a chute frame 101; drawing the tablet 102; a rotating shaft 103; a gear 104; an eraser 105; a mounting frame 106; a horizontal axis 107; a compression spring 108; a limit nut 109; an upper seat plate 2; a rotation control unit 3; a bidirectional screw 301; a horizontal slider 302; a transmission slide plate 303; a rack 304; a holder unit 4; a lifting sleeve 401; a stationary strut 402; a height-adjusting lead screw 403; a regulating wheel 404; a lower seat plate 5.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

The utility model is described in further detail below with reference to figures 1-6.

As shown in fig. 1-6, a height-adjustable display teaching aid comprises a display board unit 1, an upper seat board 2, a rotation control unit 3, a bracket unit 4 and a lower seat board 5; two display board units 1 are arranged, and the two display board units 1 are relatively and rotatably matched on the upper seat plate 2; the rotation control unit 3 arranged on the upper seat plate 2 is in transmission connection with the two display board units 1 so as to drive the two display board units 1 to rotate in different clockwise directions; the support unit 4 comprises a lifting sleeve 401, a fixed support rod 402, a height-adjusting lead screw 403 and a regulating and controlling rotating wheel 404; the fixed regulation runner 404 of heightening lead screw 403 one end, heightening lead screw 403 other end rotate on bedplate 5 down, heightening lead screw 403 middle part screw thread transmission connection lift sleeve 401 to drive lift sleeve 401 and carry out the slip of vertical direction on fixed branch 402, fixed branch 402 is fixed on bedplate 5 down, and lift sleeve 401 is fixed on bedplate 2.

The height-adjustable display teaching aid is internally provided with the adjustable support unit 4, so that the horizontal heights of two display board units 1 on an upper seat board 2 can be properly adjusted, the display board units 1 are prevented from being shielded by shielding objects to influence the use effect when being displayed and used, when being adjusted, the adjusting and controlling rotating wheel 404 is rotated to drive the height-adjusting lead screw 403 to rotate, and when the height-adjusting lead screw 403 rotates, the contact arrangement of the height-adjusting lead screw 403 and the lifting sleeve 401 can be changed, so that the lifting sleeve 401 is driven to slide on the fixed support rod 402 in the vertical direction, and finally the height of the upper seat board 2 and the height-adjustable display board units 1 are driven by the lifting sleeve 401 to be adjusted; can control two show board units 1 through rotating the control unit 3 and carry out the rotation of different hour directions on last bedplate 2, in the link of writing acquiescently or answering, can rotate two show board units 1 to both sides, the different students of being convenient for write acquiescently or answer the question, prevent that the phenomenon of plagiarism each other from taking place.

The adjusting and controlling rotating wheel 404 comprises a disc fixed on the height-adjusting screw 403 and a plurality of screwing shift rods uniformly fixed on the disc in a surrounding manner, and the plurality of screwing shift rods are arranged, so that the convenience of rotation of the adjusting and controlling rotating wheel 404 can be improved.

And a rubber sleeve is bonded on the screwing deflector rod.

The rotation control unit 3 comprises a bidirectional screw 301, a horizontal slider 302, a transmission sliding plate 303 and a rack 304; two-way screw 301 passes through the bearing frame and rotates on last bedplate 2, and two horizontal slider 302 of relative slip in the slide of bedplate 2 side are gone up to two end screw-thread fit of two-way screw 301, and a transmission slide 303 is fixed respectively to the lower extreme of two horizontal slider 302, and two transmission slides 303 and two rack 304 fixed connection one by one, two racks 304 meshing transmission connect two show board units 1. One end of a bidirectional screw 301 in the rotation control unit 3 is provided with left-handed threads, and the other end of the bidirectional screw 301 is provided with right-handed threads, so that the bidirectional screw 301 can drive two horizontal sliding blocks 302 to slide in opposite directions or slide away from each other in a side sliding channel of the upper seat plate 2 when rotating, and thus two racks 304 are driven to slide in opposite directions or slide away from each other through two transmission sliding plates 303, and synchronous reverse control of the two display plate units 1 is completed; two ends of the bidirectional screw 301 are respectively provided with a hand-operated wheel, which is convenient for controlling the bidirectional screw 301 to rotate.

The display board unit 1 comprises a chute frame 101, a drawing writing board 102, a rotating shaft 103 and a gear 104; the top of the sliding chute frame 101 is provided with an inserting groove, and the drawing writing board 102 is inserted in the inserting groove; the bottom of the chute frame 101 is fixed on the rotating shaft 103, the rotating shaft 103 rotates on the upper seat plate 2, and the gear 104 fixed on the rotating shaft 103 is meshed with the rack 304. When the rack 304 moves horizontally, the gear 104 can be driven to rotate, the gear 104 rotates to drive the rotating shaft 103 to rotate, the sliding chute frame 101 and the drawing and writing board 102 installed on the sliding chute frame 101 are driven to rotate when the rotating shaft 103 rotates, and after the rotating, self-locking can be realized due to the structural property of the bidirectional screw 301; be equipped with the pull clipboard 102 that can dismantle in the show board unit 1, be convenient for take out pull clipboard 102 and write, or change the pull clipboard, it is convenient to use.

The display board unit 1 further comprises an eraser 105, a mounting frame 106, a cross shaft 107, a compression spring 108 and a limit nut 109; the inner side of the eraser 105 is attached to the drawing writing board 102, the outer side of the eraser 105 is assembled on an installation frame 106, two ends of the installation frame 106 are respectively fixed with a cross shaft 107, the two cross shafts 107 slide on two ends of the chute frame 101, the cross shafts 107 are sleeved with compression springs 108, and the compression springs 108 are positioned between the chute frame 101 and the installation frame 106; the cross shaft 107 is in threaded fit with a limit nut 109, and the limit nut 109 and the mounting frame 106 are respectively positioned at two ends of the chute frame 101. In a conventional state, the eraser 105 is attached to the pull-out writing board 102, when characters on the pull-out writing board 102 need to be erased, the pull-out writing board 102 is pulled upwards, different positions of the pull-out writing board 102 are in contact with the eraser 105, and therefore the characters on the pull-out writing board 102 are erased by holding the eraser 105 with hands, and the speed is higher and the operation is more convenient; the drawing writing board 102 and the eraser 105 in the display board unit 1 can also be used as a clamp in a matching manner, when materials such as drawings or copybooks need to be displayed, the limiting nut 109 can be rotated to enable the mounting frame 106 to drive the eraser 105 to be away from the drawing writing board 102 under the elastic action of the compression spring 108, at the moment, the materials such as the drawings or the copybooks needing to be displayed are placed between the drawing writing board 102 and the eraser 105, then the limiting nut 109 is rotated to change the contact position between the materials and the cross shaft 107, the eraser 105 is finally controlled to be pressed on the drawings or the copybooks needing to be displayed, and the materials such as the drawings or the copybooks needing to be displayed are fixed through the drawing writing board 102 and the eraser 105.

The retractable tablet 102 is a whiteboard.

Four corners of the lower seat plate 5 are connected with four walking wheels in a matching way.

The road wheels are the Frounet wheels, so that the movable wheel is convenient to fix after being moved.

The principle is as follows: the height-adjustable display teaching aid is internally provided with the adjustable support unit 4, so that the horizontal heights of two display board units 1 on an upper seat board 2 can be properly adjusted, the display board units 1 are prevented from being shielded by shielding objects to influence the use effect when being displayed and used, when being adjusted, the adjusting and controlling rotating wheel 404 is rotated to drive the height-adjusting lead screw 403 to rotate, and when the height-adjusting lead screw 403 rotates, the contact arrangement of the height-adjusting lead screw 403 and the lifting sleeve 401 can be changed, so that the lifting sleeve 401 is driven to slide on the fixed support rod 402 in the vertical direction, and finally the height of the upper seat board 2 and the height-adjustable display board units 1 are driven by the lifting sleeve 401 to be adjusted; can control two show board units 1 through rotating the control unit 3 and carry out the rotation of different hour directions on last bedplate 2, in the link of writing acquiescently or answering, can rotate two show board units 1 to both sides, the different students of being convenient for write acquiescently or answer the question, prevent that the phenomenon of plagiarism each other from taking place.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a height-adjustable show teaching aid which characterized in that: comprises a display board unit (1), an upper seat board (2), a rotation control unit (3), a bracket unit (4) and a lower seat board (5); two display board units (1) are arranged, and the two display board units (1) are relatively and rotatably matched on the upper seat plate (2); the rotation control unit (3) arranged on the upper seat plate (2) is in transmission connection with the two display plate units (1) so as to drive the two display plate units (1) to rotate in different clockwise directions; the support unit (4) comprises a lifting sleeve (401), a fixed support rod (402), a height-adjusting lead screw (403) and a regulating and controlling rotating wheel (404); the fixed regulation runner (404) of accent high lead screw (403) one end, and the accent high lead screw (403) other end rotates on bedplate (5) down, and screw thread transmission connects lifting sleeve pipe (401) in the middle part of the accent high lead screw (403) to drive lifting sleeve pipe (401) and carry out the slip of vertical direction on fixed bearing rod (402), and fixed bearing rod (402) are fixed on bedplate (5) down, and lifting sleeve pipe (401) are fixed on bedplate (2) up.

2. A height adjustable display teaching aid as claimed in claim 1, wherein: the adjusting and controlling rotating wheel (404) comprises a disc fixed on the height adjusting screw rod (403) and a plurality of screwing deflector rods uniformly and circularly fixed on the disc.

3. A height adjustable display teaching aid as claimed in claim 2, wherein: and a rubber sleeve is bonded on the screwing deflector rod.

4. A height adjustable display teaching aid as claimed in claim 1, wherein: the rotation control unit (3) comprises a bidirectional screw (301), a horizontal sliding block (302), a transmission sliding plate (303) and a rack (304); two-way screw rod (301) rotate on last bedplate (2) through the bearing frame, two horizontal slider (302) of relative slip in last bedplate (2) side slide at the both ends screw-thread fit of two-way screw rod (301), one transmission slide (303) are fixed respectively to the lower extreme of two horizontal slider (302), two transmission slides (303) and two rack (304) fixed connection one by one, two rack (304) meshing transmission are connected two show board units (1).

5. A height adjustable display teaching aid as claimed in claim 4, wherein: the display board unit (1) comprises a chute frame (101), a drawing writing board (102), a rotating shaft (103) and a gear (104); the top of the sliding groove frame (101) is provided with an inserting groove, and the drawing writing board (102) is inserted in the inserting groove; the bottom of the chute frame (101) is fixed on the rotating shaft (103), the rotating shaft (103) rotates on the upper seat plate (2), and the gear (104) fixed on the rotating shaft (103) is meshed with the rack (304).

6. A height adjustable display teaching aid as claimed in claim 5, wherein: the display board unit (1) further comprises an eraser (105), a mounting frame (106), a transverse shaft (107), a compression spring (108) and a limiting nut (109); the inner side of the eraser (105) is attached to the drawing writing board (102), the outer side of the eraser (105) is assembled on an installation frame (106), two ends of the installation frame (106) are respectively fixed with a transverse shaft (107), the two transverse shafts (107) slide on two ends of the chute frame (101), a compression spring (108) is sleeved on the transverse shaft (107), and the compression spring (108) is positioned between the chute frame (101) and the installation frame (106); the cross shaft (107) is in threaded fit with a limit nut (109), and the limit nut (109) and the mounting rack (106) are respectively positioned at two ends of the chute rack (101).

7. A height adjustable display teaching aid as claimed in claim 5 or 6, wherein: the drawing writing board (102) is a whiteboard.

8. A height adjustable display teaching aid as claimed in claim 1, wherein: four corners of the lower seat plate (5) are connected with four walking wheels in a matching way.

9. A height adjustable display teaching aid as claimed in claim 8, wherein: the walking wheels are Froude wheels.