CN114834183A

CN114834183A - But angle regulation's english teaching device

Info

Publication number: CN114834183A
Application number: CN202210531148.2A
Authority: CN
Inventors: 梦红
Original assignee: Harbin University
Current assignee: Harbin University
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-02

Abstract

The invention discloses an English teaching device with an adjustable angle, and relates to the field of adjustable teaching devices; the portable blackboard eraser comprises a box body, wherein a telescopic shaft is movably mounted on the box body, a support is fixedly mounted on the telescopic shaft, a rotating shaft is rotatably mounted on the support, a rotating gear is fixedly mounted at one end of the rotating shaft, a swinging support is fixedly mounted at the other end of the rotating shaft, a swinging rod is further rotatably mounted on the rotating shaft, a displacement support is slidably mounted on the swinging rod, a swinging sliding rod is fixedly mounted on the displacement support and is slidably connected with the swinging support, a left retractable support is further rotatably mounted on the displacement support, a left blackboard is rotatably mounted on the left retractable support and is unfolded or folded through rotation of the swinging rod, and then angle adjustment is performed through rotation of the telescopic shaft, so that the portable blackboard eraser is convenient to use, and the function of the portable blackboard eraser can be replaced by a display screen.

Description

But angle regulation's english teaching device

Technical Field

The invention relates to the field of adjustable teaching devices, in particular to an English teaching device with an adjustable angle.

Background

Along with the gradual development of society, the language diversification is more and more important, and the child of parent's cultivation often picks up from childhood now, and it is often boring to cultivate child's study english, and more teaching is moved to the open air from indoor, combines external things to arouse child's interest thereby reaches the study purpose.

Chinese patent with publication No. CN109859539B discloses a movable English teaching auxiliary education device, which comprises an operation box, wherein the upper surface of the operation box is movably connected with a nut, the inner wall of the nut is in threaded connection with a threaded rod, the threaded rod penetrates through and extends into the operation box, the lower surface of the threaded rod is fixedly connected with a connecting frame, the invention drives a second special-shaped gear to rotate through a driving rod by rotating a hand wheel, so that the second special-shaped gear rotates through a first special-shaped gear to drive a supporting rod to rotate, the supporting rod drives the gear to rotate, the gear drives a chain to drive and enable the rotation directions and the rotation speeds of three gears to be equal, gears at two ends of the operation box drive a transmission rod to rotate, so that the transmission rod drives a guide wheel to rotate and complete steering work, when the operation box is pushed by a push rod, the direction of the guide wheel changes, thereby leading a universal wheel to change, make the device can the even movement, its problem of having solved the teaching device even movement, but often need the portable transportation of teaching device more in outdoor teaching, and because the place reason at outdoor teaching, often need finely tune the teaching panel in order to adapt to the environment to improve the teaching quality.

Disclosure of Invention

The technical scheme provided by the invention can effectively solve the technical problem that the teaching device can adapt to the outdoor environment when being used outdoors, and is convenient to carry.

The technical scheme adopted by the invention is as follows: the utility model provides an but angle regulation's english teaching device, the power distribution box comprises a box body, movable mounting has the telescopic shaft on the box, and fixed mounting has the support on the telescopic shaft, rotates on the support and installs the axis of rotation, and the one end fixed mounting of axis of rotation has a rolling gear, the other end fixed mounting of axis of rotation has a swing span, still rotates in the axis of rotation and installs the swinging arms, and slidable mounting has the displacement support on the swinging arms, and fixed mounting has a swing slide bar on the displacement support, swing slide bar and swing span sliding connection, still fixed mounting has a swinging spring on the swinging arms, swinging spring's the other end fixed mounting on the displacement support, rotate on the support and install steering gear, still rotate on the support and install the carousel, the one end fixed mounting of carousel has the swinging arms.

Further, still rotate on the displacement support and install shrink left socle, rotate on the shrink left socle and install left blackboard, still rotate on the displacement support and install shrink right branch frame, rotate on the shrink right branch frame and install right blackboard, still fixed mounting has the back shaft on the swinging arms, and the back shaft rotates with left blackboard to be connected, the back shaft rotates with right blackboard to be connected.

Further, rotate on the box and install the lift axle, the epaxial fixed mounting of lift has the driving gear, the epaxial fixed mounting of lift has a lifting gear, the epaxial still fixed mounting of lift has the ratchet of preventing falling, still rotate on the box and install and prevent changeing the plectrum.

Further, still fixed mounting has the cylinder on the box, is provided with the gyro wheel on the cylinder, fixed mounting has the angle support on the box, and slidable mounting has the angle piece on the angle support, and still slidable mounting has the displacement strip on the box.

Further, the movable rocking handle that is provided with on the box, slidable mounting has the lift to dial the position pole on the box, still slidable mounting has the angle to dial the position pole on the box, rotate on the box and install angle gear.

Furthermore, one end of the displacement support, which is close to the telescopic shaft, is fixedly provided with a retractable rope, and the other end of the retractable rope is fixedly arranged on the turntable.

Furthermore, the telescopic shaft is provided with a lifting rack meshed with the lifting gear, and the telescopic shaft is also provided with a plurality of arc racks meshed with the angle gear.

Compared with the prior art, the invention has the beneficial effects that: (1) the blackboard can be quickly unfolded only by manually driving the rocking handle; (2) the blackboard can be rotated by changing the position of the rocking handle, so that the blackboard content can be displayed in multiple angles; (3) rotate 90 degrees through the swing support, cooperate other devices to drive the blackboard and accomplish to expand or accomodate convenient and fast.

Drawings

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

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of the structure of the displacement strip of the present invention.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a schematic view of the structure of the swing lever of the present invention.

Fig. 6 is a partial enlarged view of C in fig. 5.

Reference numerals: 1-a box body; 101-a storage compartment; 102-a rocking handle; 103-lifting shifting rod; 104-angle shifting rod; 202-a lifting shaft; 203-a drive gear; 204-lifting gear; 205-anti-rotation shifting piece; 206-anti-drop ratchet wheel; 207-cylinder; 208-angle gear; 209-angle block; 210-angle bracket; 211-displacement bar; 212-a belt; 301-axis of rotation; 302-a rotating gear; 303-a swing support; 304-a displacement support; 305-a swing lever; 306-a swing spring; 307-shrink left stent; 308-a scaffold; 309-rotating disc; 310-retracting the right stent; 311-support shaft; 312-a steering gear; 313-a swing slide bar; 314-retracting the rope; 315-telescopic shaft; 401-left blackboard; 402-right blackboard.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 3, a plurality of storage lattices 101 for storage are slidably mounted on a box body 1, a plurality of wheels for movement are further mounted on the box body 1, a lifting and shifting rod 103 and an angle shifting rod 104 for limiting are slidably mounted on the box body 1, a rocking handle 102 is further movably mounted on the box body 1, a handle gear is fixedly mounted on the rocking handle 102, a lifting shaft 202 is further rotatably mounted on the box body 1, a driving gear 203 is fixedly mounted on the lifting shaft 202, the driving gear 203 is meshed with the handle gear, a lifting gear 204 is further fixedly mounted on the lifting shaft 202, a falling prevention ratchet 206 is further fixedly mounted on the lifting shaft 202, a rotation prevention shifting piece 205 is further rotatably mounted on the box body 1, the rotation prevention shifting piece 205 is in contact with the falling prevention ratchet 206, and a circular handle is arranged at one end, away from the lifting shaft 202, of the rotation prevention shifting piece 205, so that the use is convenient.

As shown in fig. 3 to 6, a displacement strip 211 is further slidably mounted on the box body 1, a displacement rack is disposed on the displacement strip 211, a displacement spring is further fixedly mounted on the displacement strip 211, the other end of the displacement spring is fixedly connected with the box body 1, an angle bracket 210 is further fixedly mounted on the box body 1, an angle block 209 is slidably mounted on the angle bracket 210, an angle spring is fixedly mounted at one end of the angle block 209 far away from the displacement strip 211, the other end of the angle spring is fixedly mounted on the box body 1, an inclined plane is disposed at one end of the angle block 209 far away from the angle spring, the displacement strip 211 contacts with the inclined plane of the angle block 209, an angle rack is further disposed on the angle block 209, an angle gear 208 is further rotatably mounted on the box body 1, the angle gear 208 is engaged with the angle rack on the angle block 209, an air cylinder 207 is further fixedly mounted on the box body 1, an idler wheel is disposed on the air cylinder 207, a belt 212 for transmission is disposed on the idler wheel, the belt 212 is in contact with the elevating shaft 202.

As shown in figures 3 and 5 of the drawings, as shown in fig. 6, a telescopic shaft 315 is movably mounted on the box 1, a lifting rack engaged with the lifting gear 204 is disposed on the telescopic shaft 315, a plurality of arc-shaped racks engaged with the angle gear 208 are further disposed on the telescopic shaft 315, a plurality of brackets 308 are fixedly mounted on the telescopic shaft 315, a rotating shaft 301 is rotatably mounted on the brackets 308, a rotating gear 302 is fixedly mounted on the rotating shaft 301, a box turntable 309 wheel is disposed on the rotating gear 302, the box turntable 309 wheel is connected with a roller on the cylinder 207 through a belt 212, a steering gear 312 is further rotatably mounted on the brackets 308, the steering gear 312 is engaged with the rotating gear 302, a turntable 309 is further rotatably mounted on the brackets 308, a swing rod 305 is fixedly mounted at one end of the turntable 309, the swing rod 305 is engaged with the steering gear 312, a swing bracket 303 is further fixedly mounted on the rotating shaft 301, and an arc-shaped chute is disposed on the swing bracket 303.

As shown in fig. 3 to 6, a swing rod 305 for supporting is further rotatably mounted on the rotating shaft 301, a displacement support 304 is slidably mounted on the swing rod 305, a swing slide rod 313 is fixedly mounted on the displacement support 304, the swing slide rod 313 is slidably connected with the swing support 303, a swing spring 306 is further fixedly mounted on the swing rod 305, the other end of the swing spring 306 is fixedly mounted on the displacement support 304, a contraction left support 307 is further rotatably mounted on the displacement support 304, a left blackboard 401 is rotatably mounted on the contraction left support 307, a contraction right support 310 is further rotatably mounted on the displacement support 304, a right blackboard 402 is rotatably mounted on the contraction right support 310, a support shaft 311 is further fixedly mounted on the swing rod 305, the support shaft 311 is rotatably connected with the left blackboard 401, the support shaft 311 is further rotatably connected with the right blackboard 402, a retractable rope 314 is fixedly mounted at one end of the displacement support 304, the other end of the retraction cord 314 is fixedly mounted to the turntable 309.

In carrying out the invention: when the device is retracted, a circular handle of the anti-rotation shifting piece 205 is manually pressed down, so that one end of the anti-rotation shifting piece 205, which is in contact with the anti-falling ratchet wheel 206, is separated from the anti-falling ratchet wheel 206, the rocking handle 102 is simultaneously rotated, the rocking handle 102 drives the lifting shaft 202 to rotate through the driving gear 203, then the lifting gear 204 drives the telescopic shaft 315 to descend, the lifting shaft 202 can transmit power to the rotating gear 302 through the belt 212 in the descending process, at the moment, the rotating gear 302 drives the rotating shaft 301 to rotate, the rotating shaft 301 drives the swinging support 303 to rotate, the swinging support 303 drives the swinging slide rod 313 at the top end of the arc-shaped chute of the swinging support 303 to rotate around the axis of the rotating shaft 301, at the moment, the swinging slide rod 313 drives the swinging rod 305 to rotate around the axis of the rotating shaft 301 through the displacement support 304, and simultaneously, the supporting shaft 311 drives the left blackboard 401 and the right blackboard 402 to rotate around the axis of the rotating shaft 301.

When the swing bracket 303 rotates 90 degrees, the swing rod 305 is perpendicular to the ground, and the arc chute on the swing bracket 303 becomes a downhill chute, and the swing slide bar 313 moves along the chute in the direction of the box 1 until it slides to the other end of the arc chute on the swing bracket 303, and at this time, the swing rod 305 rotates 180 degrees compared with the original position.

The rotation gear 302 will drive the rotation gear 312 to rotate at the same time, the rotation gear 312 will drive the rotation plate 309 to rotate through the swing rod 305, the rotation plate 309 will make the displacement bracket 304 gradually release, at the same time, because the swing spring 306 is now in the stretching state, the swing spring 306 will pull the displacement bracket 304 to move towards the direction far away from the rotation shaft 301, when the swing rod 305 rotates, the displacement bracket 304 will make the left blackboard 401 rotate around the axis of the support shaft 311 by shrinking the left bracket 307, the displacement bracket 304 will also make the right blackboard 402 rotate around the axis of the support shaft 311 by shrinking the right bracket 310, which will make the left blackboard 401 and the right blackboard 402 close, then make the swing rod 305 rotate 180 degrees around the axis of the rotation shaft 301, and put into the accommodating place of the box 1 by the descending of the telescopic shaft 315, it is worth mentioning that the cylinder 207 will drive the roller to move towards the direction far away from the ascending and descending shaft 202 during the descending of the telescopic shaft 315, the belt 212 can transmit the power of the lifting shaft 202 to the rotating gear 302 until the cylinder 207 moves to the extreme position and then does not move, at this time, the telescopic shaft 315 descends again, and the lifting shaft 202 cannot drive the rotating gear 302 to rotate through the belt 212.

When the device is used, the device can be moved to a proper position through the wheels on the box body 1, then the rocking handle 102 is rotated, the rocking handle 102 drives the lifting shaft 202 to rotate through the driving gear 203, then the lifting gear 204 drives the telescopic shaft 315 to ascend, after the device is ascended to a preset position, the belt 212 is tightened under the action of the lifting shaft 202 and the rollers on the air cylinder 207, at the moment, the lifting shaft 202 drives the rotating gear 302 and the rollers to rotate through the belt 212, meanwhile, in the process that the telescopic shaft 315 continuously ascends, the air cylinder 207 drives the rollers to move towards the lifting shaft 202, the angle dial rod 104 is always in a tightened state to transmit power, when the rotating gear 302 rotates, the swinging support 303 is driven to rotate, at the moment, the swinging support 303 drives the swinging slide rod 313 at the top end of the arc chute of the swinging support 303 to rotate around the axis of the rotating shaft 301, and the swinging rod 305 rotates 90 degrees, the swing rod 305 is perpendicular to the ground, the arc chute on the swing support 303 becomes a downhill chute, the swing sliding rod 313 moves towards the box body 1 along the chute and slides to the other end of the arc chute on the swing support 303, the swing rod 305 rotates 180 degrees compared with the original position, the retractable rope 314 is wound on the turntable 309 through the rotation of the turntable 309, the swing spring 306 is stretched, the displacement support 304 moves towards the direction close to the rotating shaft 301, and meanwhile, the displacement support 304 unfolds the left blackboard 401 and the right blackboard 402 through retracting the left support 307 and the right support 310 respectively, so that the left blackboard 401 and the right blackboard 402 can be used for teaching, and it is worth explaining that the left blackboard 401 and the right blackboard 402 can be replaced by an electronic display.

When the angle between the left blackboard 401 and the right blackboard 402 is to be adjusted when the blackboard is to be used, the angle dial rod 104 and the lifting dial rod 103 are manually pressed into the box body 1, then the rocking handle 102 is moved, the rocking handle 102 slides into a space formed by the lifting dial rod 103 and the box body 1, the lifting dial rod 103 and the angle dial rod 104 are released, the lifting dial rod 103 limits the position of the rocking handle 102, the handle gear on the rocking handle 102 is meshed with the displacement rack on the displacement strip 211, the rocking handle 102 is manually driven to rotate, the displacement strip 211 is driven to move towards the angle bracket 210, the displacement strip 211 extrudes the angle block 209 through the inclined plane on the angle block 209, the angle block 209 moves towards the direction away from the rocking handle 102, the angle gear 208 is driven to rotate by the angle rack, the angle gear 208 drives the telescopic shaft 315 to rotate, the telescopic shaft 315 drives the left blackboard 401 and the right blackboard 402 to rotate, so as to achieve the purpose of adjusting the angle.

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

1. The utility model provides an but angle regulation's english teaching device, includes box (1), its characterized in that: the movable mounting has telescopic shaft (315) on box (1), fixed mounting has support (308) on telescopic shaft (315), and rotatable mounting has axis of rotation (301) on support (308), and the one end fixed mounting of axis of rotation (301) has running gear (302), the other end fixed mounting of axis of rotation (301) has swing support (303), still rotates on axis of rotation (301) and installs swinging arms (305), and slidable mounting has displacement support (304) on swinging arms (305), and fixed mounting has swing slide bar (313) on displacement support (304), swing slide bar (313) and swing support (303) sliding connection, still fixed mounting has swing spring (306) on swinging arms (305), and the other end fixed mounting of swing spring (306) is on displacement support (304), rotatable mounting has steering gear (312) on support (308), still rotate on support (308) and install carousel (309), a swing rod (305) is fixedly arranged at one end of the rotating disc (309).

2. The English teaching device with adjustable angle of claim 1, wherein: still rotate on displacement support (304) and install shrink left socle (307), rotate on shrink left socle (307) and install left blackboard (401), still rotate on displacement support (304) and install shrink right branch frame (310), rotate on shrink right branch frame (310) and install right blackboard (402), still fixed mounting has back shaft (311) on swinging arms (305), and back shaft (311) rotate with left blackboard (401) and be connected, back shaft (311) rotate with right blackboard (402) and be connected.

3. The English teaching device with adjustable angle of claim 1, wherein: the lifting shaft (202) is installed in the last rotation of box (1), and fixed mounting has driving gear (203) on lifting shaft (202), fixed mounting has lifting gear (204) on lifting shaft (202), it prevents falling ratchet (206) to go back fixed mounting on lifting shaft (202), it prevents changeing plectrum (205) to still rotate to install on box (1).

4. The English teaching device with adjustable angle of claim 1, wherein: the improved angle adjusting device is characterized in that the box body (1) is further fixedly provided with an air cylinder (207), the air cylinder (207) is provided with an idler wheel, the box body (1) is further fixedly provided with an angle support (210), the angle support (210) is provided with an angle block (209) in a sliding manner, and the box body (1) is further provided with a displacement strip (211) in a sliding manner.

5. The English teaching device with adjustable angle of claim 1, wherein: the movable rocking handle (102) that is provided with on box (1), slidable mounting has the lift to dial a pole (103) on box (1), it has angle to dial a pole (104) still slidable mounting on box (1), rotate on box (1) and install angle gear (208).

6. The English teaching device with adjustable angle of claim 1, wherein: one end of the displacement support (304) close to the telescopic shaft (315) is fixedly provided with a retractable rope (314), and the other end of the retractable rope (314) is fixedly arranged on the turntable (309).

7. The English teaching device with adjustable angle of claim 1, wherein: the telescopic shaft (315) is provided with a lifting rack meshed with the lifting gear (204), and the telescopic shaft (315) is also provided with a plurality of arc racks meshed with the angle gear (208).