CN114962886A - Interactive exhibition frame is used in moral education propaganda - Google Patents

Abstract

The invention discloses an interactive display rack for education and propaganda of Germany education, which relates to the technical field of Germany education propaganda devices and comprises a driving mechanism and a lifting mechanism, wherein a supporting rod is fixedly arranged on a bottom plate, the driving mechanism is arranged in the supporting rod, and a screw rod is rotatably arranged in the supporting rod; the lifting mechanism is slidably mounted on the support rod, the lifting rod on the display rack is fixedly mounted on the limiting rod, the limiting rod is slidably mounted on the support rod, the screw rod is rotatably mounted in the middle of the limiting rod, the limiting rod is provided with a reset mechanism, and the reset mechanism and the helical rack assist in fixing the limiting rod; the camera display rack is characterized in that two groups of friction plates are longitudinally and slidably mounted on a longitudinal plate of the display rack, an adjusting mechanism is arranged at the first end of the display rack, a camera rack is mounted at the end part of a driven rack, a trigger mechanism is arranged at the second end of the display rack, and the trigger mechanism drives a camera on the camera rack to shoot; the campaign can be recorded at any time.

Description

Interactive exhibition frame is used in moral education propaganda

Technical Field

The invention relates to the technical field of German education propaganda devices, in particular to an interactive exhibition shelf for German education propaganda.

Background

The moral education is the education for people to carry out thought, politics, moral, law and mental health, is an important component of school education work, is in mutual connection with intellectual education, sports, beautiful education and the like, mutually permeates and closely coordinates, has important guiding, power and guarantee effects on healthy growth talents of students and school work, and middle-class professional schools must place the moral education work at the primary position of quality education, so that the moral education is generally publicized for people through paper documents at present, and the exhibition stands are generally required to be used for exhibiting the moral education paper documents in schools and communities. However, through the analysis discovery, morals education paper file has many usually, need demonstrate morals education paper file through a plurality of show shelves, and present show shelf generally is the stand alone type, need use the external part between two show shelves and pass through the screw and fix, and the installation effectiveness is slow, and the show shelf generally is fixed, can't dismantle, and the supporting legs of show shelf are fixed in the show shelf bottom, need occupy great space.

The Chinese patent invention with the prior art publication number of CN111127961B discloses an adjustable educational exhibition stand for news dissemination, and relates to the technical field of news dissemination. The display device comprises a base, wherein a support column is arranged on the base, a display mechanism is arranged on the support column, and the display mechanism comprises a display device, a central processing unit and a plurality of telescopic devices; the display device comprises two display areas which are arranged in a back-to-back mode, wherein each display area comprises a display screen and expansion screens hinged to the two sides of the display screen; every display screen all is connected with the support column through telescoping device with every expansion screen dorsal part, and two display screens all are located same height with two expansion screens. According to the invention, through the two display screens and the two extension screens with two sides respectively hinged, the change of the shape of the extension screen on one side of each display screen is realized by controlling the size of the electric push rod, so that the display screens for spreading news are formed, the display screens in different directions can be formed, and the learning and understanding of the students on the two sides of the display panels on the news are effectively improved.

However, the common characteristics of the prior art are that the display rack occupies a large space, which is inconvenient for transportation, and the display racks with the same number need to be transported for many times, which increases the transportation cost, so that an interactive display rack for education propaganda of moral education is urgently needed.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: an interactive exhibition frame for education and propaganda of moral education comprises a driving mechanism and a lifting mechanism, and further comprises a supporting mechanism and an adjusting mechanism, wherein the supporting mechanism comprises a bottom plate and a supporting rod, the supporting rod is fixedly installed on the bottom plate, oblique racks are symmetrically and fixedly installed on two sides of the supporting rod, the driving mechanism is arranged inside the supporting rod, the driving mechanism comprises a lead screw, and the lead screw is rotatably installed inside the supporting rod; the lifting mechanism is slidably mounted on the support rod and comprises a display frame and a limiting rod, the lifting rods are symmetrically fixed on the display frame, the limiting rods are fixedly mounted on the two groups of lifting rods, the limiting rods are slidably mounted on the support rod, the screw rod is rotatably mounted in the middle of the limiting rods, the limiting rods are provided with reset mechanisms, and the reset mechanisms and the inclined racks assist in fixing the limiting rods; the vertical slidable mounting has two sets of friction discs on the vertical board of show shelf, adjustment mechanism sets up in the first end of show shelf, adjustment mechanism includes passive frame, and passive frame lateral sliding installs between two sets of friction discs, and the camera frame is installed to passive frame tip, and the show shelf second end is provided with trigger mechanism, and the camera in the trigger mechanism drive camera frame is shot.

Furthermore, the supporting mechanism further comprises a plurality of rollers and foot rests, the rollers and the foot rests are respectively arranged at the bottom of the base plate in a rotating mode, the foot rests are evenly arranged around the base plate and are rotatably arranged on the side face of the base plate, and a torque spring is arranged between each foot rest and the base plate. When the end part of the foot rest is contacted with the bottom surface, the bottom plate is fixed to prevent the bottom plate from moving, and the roller is disconnected from the bottom surface; the torque spring enables the foot rest to recover the initial position, enables the roller to be in contact with the ground, and facilitates the movement of the bottom plate.

Furthermore, the driving mechanism further comprises a main bevel gear and a slave bevel gear, wherein a rocker is fixedly mounted on the main bevel gear, the rocker is rotatably mounted on the supporting rod, the slave bevel gear is fixedly mounted at the top of the screw rod, and the main bevel gear is meshed with the slave bevel gear. The rotation rocker drives the main bevel gear to rotate, the main bevel gear drives the auxiliary bevel gear to rotate when rotating, and the auxiliary bevel gear drives the screw rod to rotate when rotating.

Furthermore, actuating mechanism still includes the auto-lock subassembly, the auto-lock subassembly includes auto-lock gear, self-locking lever, and auto-lock gear fixed mounting is on the rocker, and self-locking lever slidable mounting is on the bracing piece, and self-locking lever top fixed mounting has the tooth piece, tooth piece and auto-lock gear interlock, is provided with the auto-lock spring between self-locking lever bottom and the bracing piece. When the rocker rotates, the self-locking gear is driven to rotate, and when the self-locking gear rotates, the driving gear block drives the self-locking rod to slide downwards on the supporting rod, and the self-locking spring is compressed; under the effect of auto-lock spring, auto-lock spring drive is from locking lever drive tooth piece rebound, makes auto-lock gear and tooth piece interlock, prevents auto-lock gear antiport to prevent rocker antiport.

Further, canceling release mechanical system includes release link, pawl, be provided with the cylindric lock on the gag lever post, the pawl rotates to be installed on the cylindric lock, pawl and helical rack interlock are provided with the arc groove on the lifter, and release link slidable mounting is on the arc groove, and release link and pawl fixed mounting, lifter bottom slidable mounting have the release link, and the release link promotes the release link and slides on the arc groove. The pawl is meshed with the helical rack to prevent the limiting rod from automatically sliding downwards; the reset pin is pushed, the reset pin drives the reset rod to slide on the arc groove, the reset rod drives the pawl to rotate on the cylindrical pin, and the occlusion between the pawl and the limiting rod is broken, so that the limiting rod can move downwards.

Furthermore, adjustment mechanism still includes drive lever, Y axle frid, and the show shelf first end is provided with X axle frid, horizontal board, and drive lever lateral sliding installs on horizontal board, and drive lever longitudinal sliding installs on Y axle frid, and Y axle frid slidable mounting is on X axle frid, and fixed mounting has the driven lever on the drive lever, and driven frame fixed mounting has the driven plate at the driven lever middle part, driven lever end fixed mounting. When the driving rod moves longitudinally, the driving rod moves longitudinally on the Y-axis groove plate, the Y-axis groove plate and the X-axis groove plate are relatively static to drive the driven rod to move longitudinally, the driven rod drives the driven frame and the driven plate to move longitudinally, the driven frame drives the friction plates to longitudinally slide on the longitudinal plate, and the height of the driven frame is changed, so that the height of the camera frame is changed; when the driving rod moves on the Y-axis groove plate along the Y-axis direction, the Y-axis groove plate and the X-axis groove plate are relatively static, and the driving rod drives the driven frame through the driven rod, so that the driven frame moves between the two friction plates along the Y-axis direction; when the driving rod moves along the X direction, the driving rod drives the driven rod to move along the X direction, the driving rod and the Y-axis groove plate are relatively static, the Y-axis groove plate moves along the X direction on the X-axis groove plate, and the driven frame is driven to move along the X direction between the two friction plates.

Further, trigger mechanism includes vertical pole, vertical spring, and vertical pole slidable mounting has a transverse bar at vertical pole top fixed mounting on the driven plate, is provided with the horizontal pole on the passive frame, and vertical spring setting is between transverse bar and horizontal pole, and vertical spring first end fixed mounting is on the transverse bar, and vertical spring second end fixed mounting is on the horizontal pole. Pushing the vertical rod, enabling the vertical rod to slide upwards on the driven plate, driving the transverse rod to slide upwards by the vertical rod, and extending the vertical spring when the transverse rod slides upwards; the vertical spring assists the transverse bar and the vertical bar to return to the original positions.

Furthermore, the trigger mechanism further comprises a trigger rod and a transverse spring, the trigger rod is transversely slidably mounted on the cross rod, a wedge body is arranged at the first end of the trigger rod, the transverse spring is arranged between the trigger rod and the cross rod, the first end of the transverse spring is fixedly mounted on the trigger rod, and the second end of the transverse spring is fixedly mounted on the cross rod. The transverse rod pushes the trigger rod to transversely slide on the transverse rod, and the transverse spring is compressed; the transverse spring assists the trigger lever in returning to the initial position.

Furthermore, the middle part of the limiting rod is provided with threads.

Furthermore, the two groups of friction plates are fixedly installed, and the static friction force between the friction plates and the longitudinal plate is greater than the gravity of the adjusting mechanism and the camera frame.

Compared with the prior art, the invention has the beneficial effects that: (1) the driving mechanism drives the lifting mechanism to adjust the height, is completely suitable for various crowds, can adjust the height of the display rack according to the heights of different crowds, and is convenient to transport; (2) according to the supporting mechanism, the rollers at the bottom facilitate the movement of the display rack, and the foot rests on the side surfaces fix the display rack so that the display rack is kept stable in the display process; (3) according to the camera frame and the trigger mechanism, the trigger mechanism controls the camera and records propaganda activities at any time; (4) the resetting mechanism and the self-locking assembly are arranged, so that the lifting mechanism is kept stable in the display process, misoperation is prevented, and the display rack falls down.

Drawings

Fig. 1 is a schematic view of a first view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention with a half of the support rods hidden.

Fig. 3 is a schematic diagram of a third view of the overall structure of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Fig. 5 is a partially enlarged view of a portion B in fig. 2.

Fig. 6 is a partially enlarged view of a portion C in fig. 3.

Fig. 7 is a partially enlarged view of a portion D in fig. 3.

Fig. 8 is a partially enlarged view of a portion E in fig. 3.

Fig. 9 is a partially enlarged view of portion F in fig. 1.

Fig. 10 is a partially enlarged view of a portion G in fig. 1.

Fig. 11 is a partially enlarged view of a portion H in fig. 1.

Fig. 12 is a partially enlarged view of a portion I in fig. 3.

Reference numerals: 1-a support mechanism; 11-a base plate; 12-a roller; 13-a support bar; 14-a foot rest; 15-helical rack; 2-a camera frame; 3-a reset mechanism; 31-a reset lever; 32-pawl; 33-a reset pin; 4-a drive mechanism; 41-rocker; 42-a self-locking assembly; 43-main bevel gear; 44-slave bevel gear; 45-screw mandrel; 421-self-locking gear; 422-tooth block; 423-self-locking lever; 424-self-locking spring; 5-friction plate; 6-a lifting mechanism; 61-a display rack; 62-a limiting rod; 63-lifting rod; 621-cylindrical pin; 631-an arc groove; 611-X axis groove plate; 612-transverse plate; 613-longitudinal plates; 614-pole rack; 7-an adjusting mechanism; 71-active lever; 72-a driven rod; 73-a passive frame; 74-Y axis slotted plate; 75-a driven plate; 731-cross bar; 8-a trigger mechanism; 81-vertical rod; 82-a transverse bar; 83-vertical spring; 84-a trigger lever; 85-lateral spring.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, an interactive exhibition shelf for education propaganda of moral education, comprising a driving mechanism 4, a lifting mechanism 6, a supporting mechanism 1, an adjusting mechanism 7, wherein the supporting mechanism 1 comprises a bottom plate 11 and a supporting rod 13, the supporting rod 13 is fixedly installed on the bottom plate 11, oblique racks 15 are symmetrically and fixedly installed on two sides of the supporting rod 13, the driving mechanism 4 is arranged inside the supporting rod 13, the driving mechanism 4 comprises a lead screw 45, and the lead screw 45 is rotatably installed inside the supporting rod 13; the lifting mechanism 6 is slidably mounted on the support rod 13, the lifting mechanism 6 comprises a display frame 61 and a limiting rod 62, the lifting rod 63 is symmetrically fixed on the display frame 61, the limiting rod 62 is fixedly mounted on the two groups of lifting rods 63, the limiting rod 62 is slidably mounted on the support rod 13, the screw rod 45 is rotatably mounted in the middle of the limiting rod 62, the resetting mechanism 3 is arranged on the limiting rod 62, and the resetting mechanism 3 and the bevel rack 15 assist in fixing the limiting rod 62; two sets of friction plates 5 are longitudinally slidably mounted on a longitudinal plate 613 of the showing stand 61, the adjusting mechanism 7 is arranged at the first end of the showing stand 61, the adjusting mechanism 7 comprises a driven frame 73, the driven frame 73 is transversely slidably mounted between the two sets of friction plates 5, the camera frame 2 is mounted at the end part of the driven frame 73, the second end of the showing stand 61 is provided with a trigger mechanism 8, and the trigger mechanism 8 drives a camera on the camera frame 2 to shoot.

As shown in fig. 3, 4 and 5, in the supporting mechanism 1, a supporting rod 13 is fixedly installed on a bottom plate 11, oblique racks 15 are symmetrically and fixedly installed on two sides of the supporting rod 13, a plurality of rollers 12 and foot rests 14 are respectively installed, the rollers 12 are rotatably installed at the bottom of the bottom plate 11, and the rollers 12 are in contact with the ground, so that the bottom plate 11 can be conveniently moved; the foot rest 14 is rotatably arranged on the side surface of the bottom plate 11, a torque spring is arranged between the foot rest 14 and the bottom plate 11, when the end part of the foot rest 14 is contacted with the bottom surface, the bottom plate 11 is fixed to prevent the bottom plate 11 from moving, and at the moment, the roller 12 is disconnected from the bottom surface; the torsion spring returns the foot rest 14 to the initial position, bringing the roller 12 into contact with the ground.

As shown in fig. 2, 4 and 5, the driving mechanism 4 is disposed inside the supporting rod 13, the rocker 41 is rotatably mounted on the supporting rod 13, the main bevel gear 43 is rotatably mounted inside the supporting rod 13, the main bevel gear 43 is fixedly mounted with the rocker 41, and the rotating rocker 41 drives the main bevel gear 43 to rotate; the secondary bevel gear 44 is fixedly arranged at the top of the screw rod 45, the screw rod 45 is rotatably arranged inside the supporting rod 13, and the primary bevel gear 43 is meshed with the secondary bevel gear 44; the main bevel gear 43 drives the slave bevel gear 44 to rotate when rotating, the slave bevel gear 44 drives the screw rod 45 to rotate when rotating, and the self-locking assembly 42 prevents the rocker 41 from rotating spontaneously, so that self-locking is realized.

As shown in fig. 4, 10 and 11, the self-locking assembly 42 includes a self-locking gear 421, a toothed block 422, a self-locking lever 423 and a self-locking spring 424, the self-locking gear 421 is fixedly mounted on the rocker 41, the rocker 41 drives the self-locking gear 421 to rotate when rotating, the toothed block 422 is fixedly mounted on the top of the self-locking lever 423, the self-locking lever 423 is slidably mounted on the support rod 13, the toothed block 422 is engaged with the self-locking gear 421, the self-locking spring 424 is disposed between the bottom of the self-locking lever 423 and the support rod 13, a first end of the self-locking spring 424 is fixedly mounted on the bottom of the self-locking lever 423, and a second end of the self-locking spring 424 is fixedly mounted on the support rod 13; when the self-locking gear 421 rotates, the driving tooth block 422 drives the self-locking rod 423 to slide downwards on the supporting rod 13, and the self-locking spring 424 compresses; under the action of the self-locking spring 424, the self-locking spring 424 drives the self-locking rod 423 to drive the tooth block 422 to move upwards, so that the self-locking gear 421 is meshed with the tooth block 422, the reverse rotation of the self-locking gear 421 is prevented, and the reverse rotation of the rocker 41 is prevented.

As shown in fig. 2 and 5, the lifting mechanism 6 is slidably mounted on the support rod 13, the lifting rods 63 are divided into two groups, the limit rods 62 are symmetrically and fixedly mounted below the display rack 61, the limit rods 62 are slidably mounted on the support rod 13, two ends of the limit rods 62 are fixedly mounted on the lifting rods 63, the screw rod 45 is rotatably mounted in the middle of the limit rods 62, and threads are arranged in the middle of the limit rods 62; when the screw rod 45 rotates, the limiting rod 62 is driven to slide upwards, the limiting rod 62 drives the lifting rod 63 to slide upwards, and the lifting rod 63 drives the showing stand 61 to slide upwards.

As shown in fig. 1 and 5, the reset mechanism 3 is disposed on the limit rod 62, a cylindrical pin 621 is disposed on the limit rod 62, the reset mechanism 3 and the helical rack 15 assist in fixing the limit rod 62, the pawl 32 is rotatably mounted on the cylindrical pin 621, the pawl 32 engages with the helical rack 15, an arc groove 631 is disposed on the lifting rod 63, the reset rod 31 is slidably mounted on the arc groove 631, the reset rod 31 and the pawl 32 are fixedly mounted, the reset pin 33 is slidably mounted at the bottom of the lifting rod 63, and the reset pin 33 pushes the reset rod 31 to slide on the arc groove 631. The pawl 32 is meshed with the helical rack 15 to prevent the limiting rod 62 from automatically sliding downwards; the reset pin 33 is pushed, the reset pin 33 drives the reset rod 31 to slide on the arc groove 631, the reset rod 31 drives the pawl 32 to rotate on the cylindrical pin 621, and the engagement between the pawl 32 and the limiting rod 62 is disconnected, so that the limiting rod 62 can move downwards.

As shown in fig. 3, 6, 8, and 9, the adjusting mechanism 7 is disposed at a first end of the display frame 61, the first end of the display frame 61 is provided with an X-axis groove plate 611 and a transverse plate 612, the middle of the display frame 61 is provided with a longitudinal plate 613, the driving rod 71 is transversely slidably mounted on the transverse plate 612, the driving rod 71 is longitudinally slidably mounted on the Y-axis groove plate 74, the Y-axis groove plate 74 is slidably mounted on the X-axis groove plate 611, the driven rod 72 is fixedly mounted on the driving rod 71, the driven frame 73 is fixedly mounted in the middle of the driven rod 72, the driven frame 73 is transversely slidably mounted between two sets of friction plates 5, the friction plates 5 are longitudinally slidably mounted on the longitudinal plate 613, and the driven plate 75 is fixedly mounted at an end of the driven rod 72; when the driving rod 71 moves longitudinally, the driving rod 71 moves longitudinally on the Y-axis slotted plate 74, the Y-axis slotted plate 74 and the X-axis slotted plate 611 are relatively static, the driven rod 72 is driven to move longitudinally, the driven rod 72 drives the driven frame 73 and the driven plate 75 to move longitudinally, the driven frame 73 drives the friction plate 5 to slide longitudinally on the longitudinal plate 613, and the height of the driven frame 73 is changed, so that the height of the camera frame 2 is changed; when the driving rod 71 moves on the Y-axis groove plate 74 along the Y-axis direction, the Y-axis groove plate 74 and the X-axis groove plate 611 are relatively stationary, and the driving rod 71 drives the passive frame 73 through the driven rod 72, so that the passive frame 73 moves between the two friction plates 5 along the Y-axis direction; when the driving rod 71 moves along the X direction, the driving rod 71 drives the driven rod 72 to move along the X direction, the driving rod 71 and the Y-axis groove plate 74 are relatively stationary, and the Y-axis groove plate 74 moves along the X direction on the X-axis groove plate 611 to drive the passive frame 73 to move along the X direction between the two friction plates 5.

As shown in fig. 1, 3, and 9, two sets of friction plates 5 are fixedly mounted, the camera frame 2 is fixedly mounted at the end of the passive frame 73, and the static friction force between the friction plates 5 and the longitudinal plate 613 is greater than the gravity force of the adjusting mechanism 7 and the camera frame 2.

As shown in fig. 3, 7, 8 and 12, the triggering mechanism 8 is disposed at the second end of the display frame 61, the second end of the display frame 61 is provided with a rod frame 614, the vertical rod 81 is longitudinally slidably mounted on the rod frame 614, the vertical rod 81 is slidably mounted on the driven plate 75, the top of the vertical rod 81 is fixedly mounted with the transverse rod 82, the driven frame 73 is provided with a transverse rod 731, the vertical spring 83 is disposed between the transverse rod 82 and the transverse rod 731, a first end of the vertical spring 83 is fixedly mounted on the transverse rod 82, and a second end of the vertical spring 83 is fixedly mounted on the transverse rod 731; the vertical rod 81 is pushed, the vertical rod 81 slides upwards on the driven plate 75, the vertical rod 81 drives the transverse rod 82 to slide upwards, and when the transverse rod 82 slides upwards, the vertical spring 83 extends; the vertical spring 83 assists the transverse rod 82 and the vertical rod 81 to restore the initial positions; the trigger rod 84 is transversely installed on the cross rod 731 in a sliding manner, a wedge body is arranged at the first end of the trigger rod 84, the transverse spring 85 is arranged between the trigger rod 84 and the cross rod 731, the first end of the transverse spring 85 is fixedly installed on the trigger rod 84, and the second end of the transverse spring 85 is fixedly installed on the cross rod 731; the transverse rod 82 pushes the trigger bar 84 to slide transversely on the cross bar 731, and the transverse spring 85 compresses; the lateral spring 85 assists the trigger lever 84 in returning to the original position.

The working principle is as follows: fixing the propaganda poster on the display frame 61, fixedly mounting the camera on the camera frame 2, wherein the end part of the foot rest 14 is not contacted with the bottom surface, the roller 12 is contacted with the bottom surface, moving the bottom plate 11 to a target position, twisting the torque spring, contacting the end part of the foot rest 14 with the bottom surface, fixing the bottom plate 11, preventing the bottom plate 11 from moving, and at the moment, disconnecting the roller 12 from the bottom surface.

The rotating rocker 41 drives the main bevel gear 43 to rotate, the main bevel gear 43 drives the auxiliary bevel gear 44 to rotate when rotating, the auxiliary bevel gear 44 drives the screw rod 45 to rotate when rotating, the screw rod 45 drives the limiting rod 62 to slide upwards when rotating, the limiting rod 62 drives the lifting rod 63 to slide upwards, and the lifting rod 63 drives the display rack 61 to slide upwards until the display rack 61 moves to a target height, and the rotation is stopped; when the limiting rod 62 moves, the pawl 32 is driven to move, the lifting rod 63 drives the reset rod 31 to move, the pawl 32 is continuously meshed with the helical rack 15, and the limiting rod 62 is prevented from sliding downwards; in the process, when the rocker 41 rotates, the self-locking gear 421 is driven to rotate, and when the self-locking gear 421 rotates, the driving gear block 422 drives the self-locking rod 423 to slide downwards on the supporting rod 13, and the self-locking spring 424 is compressed; under the action of the self-locking spring 424, the self-locking spring 424 drives the self-locking rod 423 to drive the tooth block 422 to move upwards, so that the self-locking gear 421 is meshed with the tooth block 422, the reverse rotation of the self-locking gear 421 is prevented, and the reverse rotation of the rocker 41 is prevented.

When educational activities need to be recorded, when the driving rod 71 longitudinally moves, the driving rod 71 longitudinally moves on the Y-axis groove plate 74, the Y-axis groove plate 74 and the X-axis groove plate 611 are relatively stationary, the driven rod 72 is driven to longitudinally move, the driven rod 72 drives the driven frame 73 and the driven plate 75 to longitudinally move, the driven frame 73 drives the friction plate 5 to longitudinally slide on the longitudinal plate 613, the height of the driven frame 73 is changed, and therefore the height of the camera frame 2 is changed; when the driving rod 71 moves on the Y-axis groove plate 74 along the Y-axis direction, the Y-axis groove plate 74 and the X-axis groove plate 611 are relatively stationary, and the driving rod 71 drives the passive frame 73 through the driven rod 72, so that the passive frame 73 moves between the two friction plates 5 along the Y-axis direction; when the driving rod 71 moves along the X direction, the driving rod 71 drives the driven rod 72 to move along the X direction, the driving rod 71 and the Y-axis groove plate 74 are relatively static, and the Y-axis groove plate 74 moves along the X direction on the X-axis groove plate 611 to drive the passive frame 73 to move along the X direction between the two sets of friction plates 5; the friction plate 5 keeps the longitudinal movement of the driven frame 73 stable and prevents the driven frame 73 from sliding downward.

After the position of the camera on the camera frame 2 is adjusted, the vertical rod 81 is pushed, the vertical rod 81 slides upwards on the driven plate 75, the vertical rod 81 drives the transverse rod 82 to slide upwards, and when the transverse rod 82 slides upwards, the vertical spring 83 extends; under the action of the wedge, the transverse rod 82 pushes the trigger rod 84 to slide transversely on the transverse rod 731, the transverse spring 85 is compressed, and the trigger rod 84 presses the shutter key of the camera to record the educational activity.

After the shutter is pressed, the vertical spring 83 and the trigger lever 84 are contracted, the vertical spring 83 assists the lateral rod 82 and the vertical rod 81 to restore the original positions, and the lateral spring 85 assists the trigger lever 84 to restore the original positions.

After the activity, upwards promote reset pin 33, reset pin 33 drives reset lever 31 and slides on arc groove 631, and reset lever 31 drives pawl 32 and rotates on cylindric lock 621, breaks off the interlock of pawl 32 and gag lever post 62, and reverse rotation rocker 41 makes gag lever post 62 remove downwards, resumes the initial position with show shelf 61, is convenient for accomodate, and torque spring makes foot rest 14 resume initial position, makes gyro wheel 12 and ground contact, makes things convenient for bottom plate 11 to remove.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims (10)

1. The utility model provides a moral education is interactive exhibition frame for propaganda, includes actuating mechanism (4), elevating system (6), its characterized in that: the supporting mechanism (1) comprises a bottom plate (11) and a supporting rod (13), the supporting rod (13) is fixedly installed on the bottom plate (11), oblique racks (15) are symmetrically and fixedly installed on two sides of the supporting rod (13), the driving mechanism (4) is arranged inside the supporting rod (13), the driving mechanism (4) comprises a lead screw (45), and the lead screw (45) is rotatably installed inside the supporting rod (13); the lifting mechanism (6) is slidably mounted on the supporting rod (13), the lifting mechanism (6) comprises a display rack (61) and a limiting rod (62), the lifting rods (63) are symmetrically fixed on the display rack (61), the limiting rod (62) is fixedly mounted on the two groups of lifting rods (63), the limiting rod (62) is slidably mounted on the supporting rod (13), the screw rod (45) is rotatably mounted in the middle of the limiting rod (62), the limiting rod (62) is provided with a reset mechanism (3), and the reset mechanism (3) and the helical rack (15) assist in fixing the limiting rod (62); vertical slidable mounting has two sets of friction discs (5) on vertical board (613) of show shelf (61), adjustment mechanism (7) set up in show shelf (61) first end, adjustment mechanism (7) are including passive frame (73), and passive frame (73) lateral sliding installs between two sets of friction discs (5), and photo holder frame (2) are installed to passive frame (73) tip, and show shelf (61) second end is provided with trigger mechanism (8), and camera shooting on trigger mechanism (8) drive photo holder frame (2).

2. The interactive display rack for education propaganda of Germany claim 1, wherein: the supporting mechanism (1) further comprises a plurality of rollers (12) and foot rests (14), the rollers (12) and the foot rests (14) are respectively arranged at the bottom of the bottom plate (11), the foot rests (14) are evenly arranged around the bottom plate (11), the foot rests (14) are rotationally arranged on the side faces of the bottom plate (11), and torque springs are arranged between the foot rests (14) and the bottom plate (11).

3. The interactive display rack for education propaganda of Germany claim 1, wherein: the driving mechanism (4) further comprises a main bevel gear (43) and a slave bevel gear (44), a rocker (41) is fixedly mounted on the main bevel gear (43), the rocker (41) is rotatably mounted on the supporting rod (13), the slave bevel gear (44) is fixedly mounted at the top of the screw rod (45), and the main bevel gear (43) is meshed with the slave bevel gear (44).

4. The interactive display rack for education propaganda of Germany claim 3, wherein: actuating mechanism (4) still include auto-lock subassembly (42), auto-lock subassembly (42) include auto-lock gear (421), from locking lever (423), and auto-lock gear (421) fixed mounting is on rocker (41), and from locking lever (423) slidable mounting on bracing piece (13), from locking lever (423) top fixed mounting have tooth piece (422), tooth piece (422) and auto-lock gear (421) interlock, are provided with auto-lock spring (424) between auto-lock lever (423) bottom and bracing piece (13).

5. The interactive display rack for education propaganda of Germany claim 1, wherein: reset mechanism (3) are including release link (31), pawl (32), be provided with cylindric lock (621) on gag lever post (62), pawl (32) rotate and install on cylindric lock (621), pawl (32) and helical rack (15) interlock, be provided with arc groove (631) on lifter (63), release link (31) slidable mounting is on arc groove (631), release link (31) and pawl (32) fixed mounting, lifter (63) bottom slidable mounting has release link (33), release link (33) promote release link (31) and slide on arc groove (631).

6. The interactive display rack for education propaganda of Germany claim 1, wherein: the adjusting mechanism (7) further comprises a driving rod (71) and a Y-axis groove plate (74), the first end of the display frame (61) is provided with an X-axis groove plate (611) and a transverse plate (612), the driving rod (71) is transversely slidably mounted on the transverse plate (612), the driving rod (71) is longitudinally slidably mounted on the Y-axis groove plate (74), the Y-axis groove plate (74) is slidably mounted on the X-axis groove plate (611), the driving rod (71) is fixedly mounted with a driven rod (72), the driven frame (73) is fixedly mounted in the middle of the driven rod (72), and the end of the driven rod (72) is fixedly mounted with a driven plate (75).

7. The interactive display rack for education propaganda of Germany claim 1, wherein: trigger mechanism (8) include vertical pole (81), vertical spring (83), vertical pole (81) slidable mounting is on driven plate (75), vertical pole (81) top fixed mounting has transverse rod (82), be provided with horizontal pole (731) on passive frame (73), vertical spring (83) set up between transverse rod (82) and horizontal pole (731), vertical spring (83) first end fixed mounting is on transverse rod (82), vertical spring (83) second end fixed mounting is on horizontal pole (731).

8. The interactive display rack for education propaganda of claim 7, wherein: the trigger mechanism (8) further comprises a trigger rod (84) and a transverse spring (85), the trigger rod (84) is transversely installed on the cross rod (731) in a sliding mode, a wedge body is arranged at the first end of the trigger rod (84), the transverse spring (85) is arranged between the trigger rod (84) and the cross rod (731), the first end of the transverse spring (85) is fixedly installed on the trigger rod (84), and the second end of the transverse spring (85) is fixedly installed on the cross rod (731).

9. The interactive display rack for education propaganda of Germany claim 1, wherein: the middle part of the limiting rod (62) is provided with threads.

10. The interactive display rack for education propaganda of Germany claim 1, wherein: the two groups of friction plates (5) are fixedly installed, and the static friction force between the friction plates (5) and the longitudinal plate (613) is greater than the gravity of the adjusting mechanism (7) and the camera frame (2).

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