CN211118589U

CN211118589U - Digital education technique teaching device convenient to adjust

Info

Publication number: CN211118589U
Application number: CN201922105433.4U
Authority: CN
Inventors: 王新成; 王芳琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-28
Anticipated expiration: 2029-11-29

Abstract

A digital education technology teaching device convenient to adjust solves the problem that the stable placement of the device is easily influenced by the mobility of universal wheels when the device needs to be stably placed by the digital education technology teaching device, and even the universal wheels with self-locking devices are small in friction resistance and cannot be stably placed due to the fact that the contact area of the universal wheels and the ground is small; need use extra adjusting bolt simultaneously when adjusting device height, and use comparatively inconvenient problem, it includes the base, the universal wheel is all installed in the four corners of base bottom, and the installation piece is installed to the inboard top symmetry of base, installs the quadrilateral frame through the pivot on the installation piece, and fixed rotating shaft is all installed to the inside of quadrilateral frame middle part both sides, and fixed rotating shaft's mid-mounting has the removal cover, the utility model discloses novel structure thinks about ingeniously, and the base of being convenient for removes the back stability, can carry out the regulation of height simultaneously, is convenient for adjust the use.

Description

Digital education technique teaching device convenient to adjust

Technical Field

The utility model relates to a teaching device specifically is a digital education technique teaching device convenient to adjust.

Background

With the gradual deepening of the information technology environment, the teaching means are also continuously changed. The blackboard that the teacher used in the teaching process not only often causes the waste in time because writing, and the chalk dust also causes the pollution of environment easily, though possess supplementary teaching equipment such as projecting apparatus now, equipment also often is difficult to remove because the volume is great, influences teacher's use.

Patent publication No. is CN 206628099U's patent proposes a digital education technique teaching device, including base (1), removal wheel (2), its characterized in that are all installed to the four corners department of base (1): the fixing device is characterized in that a fixing rod (3) is installed at the top of a base (1), a telescopic rod (4) is inserted into the top of the fixing rod (3), an adjusting bolt (6) is installed on the outer wall of the fixing rod (3), adjusting holes (7) are uniformly formed in the outer wall of the telescopic rod (4), a supporting bearing (8) is sleeved on the top of the telescopic rod (4), a rotating transverse plate (9) is installed at the top of the supporting bearing (8), a supporting plate (10) is installed at the top of the rotating transverse plate (9), movable clamps (5) are movably inserted into two ends of the top of the supporting plate (10), a digital display screen (11) is arranged between the two groups of movable clamps (5), a placing plate (12) is transversely installed on the outer wall of one side of the supporting plate (10), and an electric control device (13) and a heat insulation plate (, and the heat insulation board (14) is arranged between the electric control device (13) and the digital display screen (11), and the electric control device (13) is electrically connected with the digital display screen (11) through an electric wire (15), but the patent has the following defects: 1. the device can be moved quickly by the aid of the universal wheels, but when the device needs to be placed stably, the stable placement of the device is easily influenced by the mobility of the universal wheels, and even the universal wheels with the self-locking devices are not stable enough due to small contact area between the universal wheels and the ground and further small friction resistance; 2. when the height of the adjusting device is adjusted, an additional adjusting bolt is needed, so that the device is easy to lose and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a digital education technique teaching device convenient to adjust, which effectively solves the problems that the digital education technique teaching device can help the device to move quickly through the universal wheels, but the mobility of the universal wheels easily influences the stable placement of the device when the device needs to be stably placed, and even the universal wheels with self-locking devices can cause the device to be insufficiently stable due to small contact area between the universal wheels and the ground and further small friction resistance; meanwhile, when the height of the adjusting device is adjusted, an additional adjusting bolt is needed, so that the device is easy to lose and inconvenient to use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a base, universal wheels, an installation block, a quadrilateral frame, a movable sleeve, a lifting plate, a first lead screw, a first bearing, a first rotating handle, supporting legs, a lifting shell, a second lead screw, a second bearing, a guide post, a second rotating handle, a placing block, a first screw hole, a guide hole and a second screw hole, the universal wheels are all installed at the four corners of the bottom end of the base, the installation block is symmetrically installed at the top end of the inner side of the base, the quadrilateral frame is installed on the installation block through a rotating shaft, fixed rotating shafts are all installed inside the two sides of the middle part of the quadrilateral frame, the movable sleeve is installed in the middle part of the fixed rotating shafts, the lifting plate is installed at the bottom end of the quadrilateral frame through a rotating shaft, the first lead screw is inserted in the middle part of the movable sleeve, the first rotating handle is installed at one end of the first lead screw, the supporting legs are all fixed, the middle part of lift shell is pegged graft and is had the second lead screw, and the both sides of second lead screw all are fixed with the guide post, and second twist grip is installed to the one end of second lead screw, has cup jointed on second lead screw and the guide post and has placed the piece, places the piece and has offered first silk hole corresponding second lead screw position department, places the piece and has offered the guide hole corresponding guide post position department.

Preferably, the first screw rod is connected with the base through a first bearing.

Preferably, the second screw rod is connected with the lifting shell through a second bearing.

Preferably, a second screw hole is formed in the position, corresponding to the first screw rod, of the moving sleeve.

Preferably, the bottom of supporting leg is provided with the supporting disk, and the diameter of supporting disk is greater than the diameter of supporting leg.

Preferably, the surfaces of the first rotating handle and the second rotating handle are sleeved with soft sleeves.

The working principle is as follows: when the utility model is used, after the universal wheel moves to the bottom seat, the first rotating handle is rotated to drive the first screw rod to rotate, the first screw rod rotates and is matched with the second screw hole arranged on the moving sleeve, the moving sleeve moves towards the inner side, so that the moving sleeve pulls the rotating shafts arranged at the inner sides of the two ends of the middle part of the quadrangular frame, the rotating shafts pull the two inner sides of the middle part of the quadrangular frame to enlarge the angle, thereby the lifting plate is pushed downwards, the lifting plate pushes the supporting legs to move downwards, thereby the supporting legs support the base, at the moment, the universal wheel is not contacted with the ground, the supporting legs are contacted with the ground, when the height of the placing block needs to be adjusted, the second rotating handle is rotated to drive the second screw rod to rotate, the second screw rod rotates and is matched with the first screw hole on the placing block, so that the placing block can adjust the height on the second screw rod, is convenient for adjustment and use.

Has the advantages that: the utility model discloses novel structure thinks about ingeniously, and the base of being convenient for removes the back stability, can carry out the regulation of height simultaneously, is convenient for adjust the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the base of the present invention;

FIG. 3 is a schematic view of the internal structure of the lifting shell of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of the placement block of the present invention;

FIG. 5 is a schematic view of the mounting structure of the movable sleeve of the present invention;

reference numbers in the figures: 1. a base; 2. a universal wheel; 3. mounting blocks; 4. a quadrilateral frame; 5. moving the sleeve; 6. a lifting plate; 7. a first lead screw; 8. a first bearing; 9. a first rotating handle; 10. supporting legs; 11. a lifting shell; 12. a second lead screw; 13. a second bearing; 14. a guide post; 15. a second rotating handle; 16. placing the blocks; 17. a first wire hole; 18. a guide hole; 19. a second wire hole.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-5.

In the first embodiment, as shown in fig. 1-5, the utility model provides a digital education technique teaching device convenient to adjust, which comprises a base 1, universal wheels 2, mounting blocks 3, a quadrilateral frame 4, a moving sleeve 5, a lifting plate 6, a first lead screw 7, a first bearing 8, a first rotating handle 9, supporting legs 10, a lifting shell 11, a second lead screw 12, a second bearing 13, a guide post 14, a second rotating handle 15, a placing block 16, a first screw hole 17, a guide hole 18 and a second screw hole 19, wherein the universal wheels 2 are mounted at four corners of the bottom end of the base 1, the mounting blocks 3 are symmetrically mounted at the top end of the inner side of the base 1, the quadrilateral frame 4 is mounted on the mounting blocks 3 through a rotating shaft, a fixed rotating shaft is mounted in the inner parts of two sides of the middle part of the quadrilateral frame 4, the moving sleeve 5 is mounted in the middle part of the fixed rotating shaft, the lifting plate 6 is mounted at the bottom end of the quadrilateral frame 4, remove the middle part of cover 5 and peg graft and have first lead screw 7, first turning handle 9 is installed to the one end of first lead screw 7, the four corners of lifter plate 6 bottom all is fixed with supporting leg 10, the mid-mounting on 1 top of base has lift shell 11, the middle part of lift shell 11 is pegged graft and is had second lead screw 12, the both sides of second lead screw 12 all are fixed with guide post 14, second turning handle 15 is installed to the one end of second lead screw 12, it places piece 16 to have cup jointed on second lead screw 12 and the guide post 14, it corresponds second lead screw 12 position department and has seted up first silk hole 17 to place piece 16, it corresponds guide post 14 position department and has seted up guide hole 18 to place piece 16.

The first screw rod 7 is connected with the base 1 through a first bearing 8, so that the first screw rod and the base are convenient to use in a matched mode.

The second screw rod 12 is connected with the lifting shell 11 through a second bearing 13, so that the second screw rod is convenient to use in a matching mode.

The position of the movable sleeve 5 corresponding to the first screw rod 7 is provided with a second screw hole 19, and the rotating directions of the second screw holes 19 in the relative movable sleeve 5 are opposite, so that the movable sleeve is convenient to match and mount.

The bottom of supporting leg 10 is provided with the supporting disk, and the diameter of supporting disk is greater than the diameter of supporting leg 10, is convenient for support.

The surfaces of the first rotating handle 9 and the second rotating handle 15 are sleeved with soft sleeves, so that the comfort in use is improved.

The working principle is as follows: when the utility model is used, after the universal wheel 2 is moved to the base 1, the first rotating handle 9 is rotated, the first rotating handle 9 rotates to drive the first screw rod 7 to rotate, the first screw rod 7 rotates and is matched with the second screw hole 19 arranged on the moving sleeve 5, the moving sleeve 5 moves towards the inner side, so that the moving sleeve 5 pulls the rotating shafts arranged at the two inner sides of the middle part of the quadrangular frame 4, the rotating shafts pull the angles of the two inner sides of the middle part of the quadrangular frame 4 to be enlarged, the lifting plate 6 is pushed downwards, the lifting plate 6 pushes the supporting leg 10 to move downwards, the supporting leg 10 supports the base 1, at the moment, the universal wheel 2 is not contacted with the ground, the supporting leg 10 is contacted with the ground, when the height of the placing block 16 needs to be adjusted, the second rotating handle 15 is rotated, the second rotating handle 15 rotates to drive the second screw rod 12 to rotate, the second screw rod 12 rotates and is matched with the first screw hole 17 on the placing block 16, so that the placing block 16 can be adjusted in height on the second screw rod 12, and is convenient to adjust and use.

Has the advantages that: the utility model discloses novel structure thinks about ingeniously, and the base 1 of being convenient for removes the back stability, can carry out the regulation of height simultaneously, is convenient for adjust the use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a digital education technique teaching device convenient to adjust, includes base (1), universal wheel (2), installation piece (3), quadrilateral frame (4), remove cover (5), lifter plate (6), first lead screw (7), first bearing (8), first turning handle (9), supporting leg (10), lift shell (11), second lead screw (12), second bearing (13), guide post (14), second turning handle (15), place piece (16), first silk hole (17), guiding hole (18) and second silk hole (19), its characterized in that: universal wheels (2) are installed at four corners of the bottom end of the base (1), installation blocks (3) are symmetrically installed at the top end of the inner side of the base (1), a quadrilateral frame (4) is installed on each installation block (3) through a rotating shaft, fixed rotating shafts are installed inside two sides of the middle of each quadrilateral frame (4), a moving sleeve (5) is installed in the middle of each fixed rotating shaft, a lifting plate (6) is installed at the bottom end of each quadrilateral frame (4) through a rotating shaft, a first lead screw (7) is inserted into the middle of each moving sleeve (5), a first rotating handle (9) is installed at one end of each first lead screw (7), supporting legs (10) are fixed at four corners of the bottom end of each lifting plate (6), a lifting shell (11) is installed in the middle of the top end of the base (1), a second lead screw (12) is inserted into the middle of each lifting shell (11), guide columns (14), a second rotating handle (15) is installed at one end of a second screw rod (12), a placing block (16) is sleeved on the second screw rod (12) and the guide column (14), a first screw hole (17) is formed in the position, corresponding to the second screw rod (12), of the placing block (16), and a guide hole (18) is formed in the position, corresponding to the guide column (14), of the placing block (16).

2. The digital education technique teaching device convenient to adjust according to claim 1 wherein the first lead screw (7) is connected with the base (1) through a first bearing (8).

3. An adjustable digital educational technology teaching apparatus according to claim 1, wherein the second lead screw (12) is connected to the elevating housing (11) through a second bearing (13).

4. The digital education technique teaching device convenient to adjust according to claim 1, wherein the moving sleeve (5) is provided with a second screw hole (19) corresponding to the position of the first screw (7).

5. The digital education technique teaching device convenient to adjust according to claim 1 wherein the bottom end of the supporting leg (10) is provided with a supporting disk and the diameter of the supporting disk is larger than that of the supporting leg (10).

6. The digital education technique teaching device convenient to adjust according to claim 1 wherein the surface of the first rotary handle (9) and the second rotary handle (15) is sleeved with a soft sleeve.