CN221375235U - Teaching presentation device convenient to adjust - Google Patents

Abstract

The utility model relates to the technical field of teaching demonstration equipment, and discloses a teaching demonstration device convenient to adjust, which comprises supporting legs, wherein the tops of the supporting legs are fixedly connected with telescopic mechanisms, the tops of the telescopic mechanisms are fixedly connected with a display table, the tops of the display table are fixedly connected with lamp tubes, the back of the telescopic mechanisms are provided with adjusting mechanisms, and the bottoms of the display table are fixedly connected with anti-falling strips. This teaching presentation device convenient to adjust, through the flexible shell and the flexible inner shell that set up, the area of contact between the extending structure of increase for whole flexible shell carries out slip in-process at flexible inner shell surface, has realized height-adjusting's purpose, has still further guaranteed the stability of whole height-adjusting in-process, and while spacing groove and spacing follow flexible shell and flexible inner shell and carry out synchronous movement, can further strengthen the stable effect of whole height-adjusting in-process.

Description

Teaching presentation device convenient to adjust

Technical Field

The utility model relates to the technical field of teaching demonstration equipment, in particular to a teaching demonstration device convenient to adjust.

Background

The demonstration teaching, that is, a teacher displays specific cases in life to students through a simple and clear demonstration method by means of a certain prop or multimedia, so that abstract knowledge and principles are simplified and visualized, and the students are helped to deepen knowledge and principles.

The utility model discloses a demonstration device for teaching convenient to adjust, including base and bracing piece, the top fixed mounting of base has the bracing piece, the top fixed mounting of bracing piece has the connecting seat, the connecting seat passes through rotating-structure and demonstration frame fixed mounting, one side fixed mounting of demonstration frame has the demonstration board, the demonstration board comprises demonstration board and demonstration board No. two, one side fixed mounting of demonstration frame has demonstration board No. one, the recess has been seted up in the middle of demonstration board No. one, one side of recess articulates through the hinge and installs demonstration board No. two, one side fixed mounting that keeps away from No. two demonstration boards inside the recess has the touch operation screen, be equipped with limit structure on demonstration board No. one and the demonstration board No. two; the utility model has compact structure, combines the traditional education demonstration with the demonstration screen, improves the demonstration effect and the teaching effect, does not influence the effective demonstration area of the demonstration board, can adjust the demonstration board, and has better demonstration effect and convenient adjustment.

The utility model provides a demonstration board height adjustment can be improved through locking bolt fixing between the body of rod and the body of rod No. two to above-mentioned application, and this kind of regulation mode is through body of rod extension to improve highly, and under the condition that body of rod highly risees, upper portion weight aggravates, can lead to the body of rod unstable, and simple locking bolt can cause not hard up after using many times to having led to the fact the regulation highly further unstable, need the human body to overcome the weight at body of rod top through body of rod regulation simultaneously, under the overweight condition, the operation difficulty, consequently need improve.

Disclosure of utility model

The utility model aims to provide a teaching demonstration device convenient to adjust so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a teaching presentation device convenient to adjust, includes the supporting leg, supporting leg top fixedly connected with telescopic machanism, telescopic machanism top fixedly connected with show stand, the interior top fixedly connected with fluorescent tube of show stand, the telescopic machanism back is provided with adjustment mechanism, the interior bottom fixedly connected with anticreep strip of show stand;

The telescopic machanism is including flexible inner shell, flexible inner shell fixed connection is in the supporting leg top, flexible inner shell outer wall has cup jointed flexible shell, flexible shell back both sides fixedly connected with spacing groove, sliding connection has spacing in the spacing groove, spacing front side and flexible inner shell rear side fixed connection, fixedly connected with adjusts the tooth in the middle of the flexible inner shell rear side.

Preferably, a notch is formed in the middle of the telescopic shell, and the limiting grooves are formed in two sides of the notch.

Preferably, the top of the telescopic shell is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with the bottom of the display stand.

Preferably, the adjustment mechanism comprises a mounting frame, mounting frame fixedly connected with limiting groove, the front side rotates in the mounting frame and is connected with first dwang, fixedly connected with worm wheel in the middle of the first dwang, the interior worm wheel rear side of mounting frame rotates and is connected with the second dwang, fixedly connected with worm in the middle of the second dwang, second dwang top fixedly connected with adjusting ring.

Preferably, the front side of the worm is meshed with the rear side of the worm wheel, and the front side of the worm wheel is meshed with the adjusting teeth.

Preferably, the limiting groove rear side corresponds mounting bracket fixed connection protective housing, the through-hole has been seted up to the protective housing top correspondence second dwang, the second dwang top passes the through-hole and extends to the protective housing top.

Compared with the prior art, the utility model provides a teaching demonstration device convenient to adjust, which has the following beneficial effects:

1. This teaching presentation device convenient to adjust, through the flexible shell and the flexible inner shell that set up, the area of contact between the extending structure of increase for whole flexible shell carries out slip in-process at flexible inner shell surface, has realized height-adjusting's purpose, has still further guaranteed the stability of whole height-adjusting in-process, and while spacing groove and spacing follow flexible shell and flexible inner shell and carry out synchronous movement, can further strengthen the stable effect of whole height-adjusting in-process.

2. This teaching presentation device convenient to adjust, thereby through the adjustment mechanism who sets up, rotatory adjusting ring drives the worm rotation, pivoted worm passes through worm wheel and adjusts the tooth cooperation, thereby can realize that flexible shell goes up and down at flexible inner shell surface, can pass through the auto-lock between worm wheel and the worm, thereby be suitable for not co-altitude regulation, simultaneously still effectually solved simple locking bolt can cause not hard up after the repetitious usage, thereby it is further unstable to have led to the regulation height, simultaneously adjust the weight that needs the human body to overcome the body of rod top through the body of rod, under the overweight condition, the problem of difficult operation.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of one side of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the overall structure of the present utility model;

FIG. 3 is a schematic illustration of the adjustment mechanism and telescoping mechanism in combination;

FIG. 4 is a schematic side view of an adjustment mechanism;

fig. 5 is a schematic view of the bottom view of the telescoping mechanism.

In the figure: 1. a lamp tube; 2. a display stand; 3. an adjusting mechanism; 31. an adjusting ring; 32. a protective shell; 33. a worm; 34. a worm wheel; 35. a mounting frame; 36. a first rotating lever; 37. a second rotating lever; 4. a telescoping mechanism; 41. a fixing plate; 42. adjusting teeth; 43. a telescoping housing; 44. a notch; 45. a limit groove; 46. a limit bar; 47. a telescopic inner shell; 5. support legs; 6. an anti-falling strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides the following technical scheme:

Example 1

Referring to fig. 1-3 and fig. 5, a teaching demonstration device convenient to adjust comprises supporting legs 5, wherein a telescopic mechanism 4 is fixedly connected to the top of each supporting leg 5, a display stand 2 is fixedly connected to the top of each telescopic mechanism 4, a lamp tube 1 is fixedly connected to the top of each display stand 2, an adjusting mechanism 3 is arranged on the back of each telescopic mechanism 4, and an anti-falling strip 6 is fixedly connected to the bottom in each display stand 2;

The telescopic machanism 4 includes flexible inner shell 47, flexible inner shell 47 fixed connection is in supporting leg 5 top, flexible inner shell 47 outer wall has cup jointed flexible shell 43, flexible shell 43 back both sides fixedly connected with spacing groove 45, sliding connection has spacing 46 in spacing groove 45, spacing 46 front side and flexible inner shell 47 rear side fixed connection, fixedly connected with adjusts tooth 42 in the middle of the flexible inner shell 47 rear side, through the flexible shell 43 and the flexible inner shell 47 of setting, the area of contact between the telescopic machanism of increase, make whole flexible outer shell 43 slide the in-process at flexible inner shell 47 surface, height-adjusting's purpose has been realized, still further guaranteed the stability of whole height-adjusting in-process, simultaneously spacing groove 45 and spacing 46 follow flexible outer shell 43 and flexible inner shell 47 and carry out synchronous movement in the time, can further strengthen the stable effect of whole height-adjusting in-process.

Further, a notch 44 is formed in the middle of the telescopic housing 43, and limiting grooves 45 are formed in two sides of the notch 44;

The top of the telescopic shell 43 is fixedly connected with a fixing plate 41, and the top of the fixing plate 41 is fixedly connected with the bottom of the display stand 2.

Example two

Referring to fig. 1-4, and on the basis of the first embodiment, the adjusting mechanism 3 further includes a mounting frame 35, the mounting frame 35 is fixedly connected to a limiting groove 45, a first rotating rod 36 is rotatably connected to the inner front side of the mounting frame 35, a worm wheel 34 is fixedly connected to the middle of the first rotating rod 36, a second rotating rod 37 is rotatably connected to the rear side of the worm wheel 34 in the mounting frame 35, a worm 33 is fixedly connected to the middle of the second rotating rod 37, an adjusting ring 31 is fixedly connected to the top end of the second rotating rod 37, the adjusting ring 31 is rotated to drive the worm 33 to rotate, the rotating worm 33 is matched with an adjusting tooth 42 through the worm wheel 34, so that the outer surface of the telescopic shell 43 can be lifted on the outer surface of the telescopic inner shell 47, and the self-locking between the worm wheel 34 and the worm 33 can be used for adjusting different heights, meanwhile, the problem that the adjusting height is further unstable due to the fact that a simple locking bolt is loose after being used for many times is effectively solved, meanwhile, the weight of the top of a rod body is required to be overcome through the rod body adjustment, and under the condition that the weight is too heavy, the weight is difficult to operate.

Further, the front side of the worm 33 and the rear side of the worm wheel 34 are engaged with each other, and the front side of the worm wheel 34 is engaged with the adjusting teeth 42.

The rear side of the limit groove 45 is fixedly connected with the protective shell 32 corresponding to the mounting frame 35, a through hole is formed in the top of the protective shell 32 corresponding to the second rotating rod 37, and the top end of the second rotating rod 37 penetrates through the through hole and extends to the top of the protective shell 32.

In actual operation, when this device is used, thereby rotatory adjusting ring 31 drives worm 33 and rotates, pivoted worm 33 passes through worm wheel 34 and adjusts tooth 42 cooperation, thereby can realize that telescopic outer shell 43 goes up and down at telescopic inner shell 47 surface, can pass through the auto-lock between worm wheel 34 and the worm 33, thereby be suitable for the regulation of different height, through telescopic outer shell 43 and telescopic inner shell 47 that set up, the area of contact between the telescopic structure of increase, make whole telescopic outer shell 43 slide the in-process at telescopic inner shell 47 surface, the purpose of height regulation has been realized, still further guaranteed the stability of whole height regulation in-process, while spacing groove 45 and spacing 46 follow telescopic outer shell 43 and telescopic inner shell 47 and carry out synchronous movement, the stability effect of whole height regulation in-process can be further strengthened.

It is noted that 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. Moreover, 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 one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims (6)

1. The utility model provides a teaching presentation device convenient to adjust, includes supporting leg (5), its characterized in that: the top of the supporting leg (5) is fixedly connected with a telescopic mechanism (4), the top of the telescopic mechanism (4) is fixedly connected with a display stand (2), the inner top of the display stand (2) is fixedly connected with a lamp tube (1), the back of the telescopic mechanism (4) is provided with an adjusting mechanism (3), and the inner bottom of the display stand (2) is fixedly connected with an anti-falling strip (6);

The telescopic mechanism (4) comprises a telescopic inner shell (47), the telescopic inner shell (47) is fixedly connected to the top of a supporting leg (5), a telescopic outer shell (43) is sleeved on the outer wall of the telescopic inner shell (47), limiting grooves (45) are fixedly connected to the two sides of the back of the telescopic outer shell (43), limiting strips (46) are connected in the limiting grooves (45) in a sliding mode, the front sides of the limiting strips (46) are fixedly connected with the rear sides of the telescopic inner shell (47), and adjusting teeth (42) are fixedly connected in the middle of the rear sides of the telescopic inner shell (47).

2. The teaching demonstration device convenient to adjust according to claim 1, wherein: a gap (44) is formed in the middle of the telescopic shell (43), and limiting grooves (45) are formed in two sides of the gap (44).

3. The teaching demonstration device convenient to adjust according to claim 1, wherein: the top of the telescopic shell (43) is fixedly connected with a fixing plate (41), and the top of the fixing plate (41) is fixedly connected with the bottom of the display stand (2).

4. The teaching demonstration device convenient to adjust according to claim 1, wherein: adjustment mechanism (3) are including mounting bracket (35), mounting bracket (35) fixedly connected with limiting groove (45), front side rotation is connected with first dwang (36) in mounting bracket (35), fixedly connected with worm wheel (34) in the middle of first dwang (36), worm wheel (34) rear side rotation is connected with second dwang (37) in mounting bracket (35), fixedly connected with worm (33) in the middle of second dwang (37), second dwang (37) top fixedly connected with adjusting ring (31).

5. The teaching demonstration device convenient to adjust according to claim 4, wherein: the front side of the worm (33) is meshed with the rear side of the worm wheel (34), and the front side of the worm wheel (34) is meshed with the adjusting teeth (42).

6. The teaching demonstration device convenient to adjust according to claim 4, wherein: the limiting groove (45) is fixedly connected with the protective housing (32) corresponding to the mounting frame (35), a through hole is formed in the top of the protective housing (32) corresponding to the second rotating rod (37), and the top end of the second rotating rod (37) penetrates through the through hole and extends to the top of the protective housing (32).