CN210488939U

CN210488939U - Teaching aid for teaching

Info

Publication number: CN210488939U
Application number: CN201920499463.5U
Authority: CN
Inventors: 李凤红
Original assignee: Jiangxi Institute of Fashion Technology
Current assignee: Jiangxi Institute of Fashion Technology
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-05-08
Anticipated expiration: 2029-04-12

Abstract

The utility model provides a teaching aid for teaching, include: a display board; the bottom plate is provided with a first telescopic rod and a second telescopic rod, and the first telescopic rod and the second telescopic rod can both extend and retract along a vertical direction perpendicular to the bottom plate; the third telescopic rod is connected between the first telescopic rod and the display board and can extend and retract along the horizontal direction parallel to the bottom plate; the bracing piece rotationally connects between bottom plate and show board, and the one end that the bottom plate was kept away from to the second telescopic link is connected with the bracing piece for the bracing piece supports. Because third telescopic link and bracing piece are connected with the show board respectively, third telescopic link and bracing piece can also adjust the angle of show board when supporting the show board. Simultaneously, the gravity of show board can disperse on third telescopic link and bracing piece, can avoid the gravity of show board to concentrate and apply on third telescopic link or bracing piece, can reduce the impaired probability of third telescopic link and bracing piece, further makes the position stability of show board, prolongs the life of teaching aid for the teaching.

Description

Teaching aid for teaching

Technical Field

The utility model relates to a teaching aid's technical field, concretely relates to teaching aid is used in teaching.

Background

The teaching aid is a model, a real object, a specimen, an instrument, a chart, a slide show and the like for explaining something, and comprises teaching equipment, a teaching instrument, practical training equipment, education equipment, experimental equipment, a teaching specimen, a teaching model and the like. Among the prior art, need often use the teaching aid at the in-process of carrying out the english teaching, be convenient for carry out the random combination with the letter on the teaching aid to the learner is given in the show, is convenient for the learner to carry out english study.

For example, chinese patent document with publication number CN 204791575U discloses a teaching aid for english teaching of height-adjustable and mobilizable, including teaching panel, bracing piece, fastening chain, through-hole, bracing piece, base, the bracing piece includes first support and second support, there is the teaching panel on the top of first support through fastening hinged joint, and junction between them is located the back intermediate position of teaching panel, the inclination of adjustment teaching panel that like this can be convenient, the presentation of teaching material content when being convenient for teach. First support is pegged graft in the inside of second support, and the through-hole has all been seted up at the side of first support and the top of second support, and the through-hole interpolation that is located the top of second support has connect the bracing piece, realizes the altitude mixture control of teaching aid through the position of the through-hole of adjustment bracing piece grafting during the use, and the bottom fixed mounting of second support has the base.

Above-mentioned teaching aid is used in english teaching through the relative position of adjusting first support second support, can highly adjust the teaching panel, through the position of rotating the relative bracing piece of fastening hinge, can adjust the angle of teaching panel. However, the fastening hinge is connected to the middle position of the back of the teaching panel, so that the stress of the teaching panel is concentrated on the fastening hinge; meanwhile, the supporting rod is connected with the teaching panel through the fastening hinge, other supports do not exist between the supporting rod and the teaching panel, and stress can not be decomposed. Along with the live time extension of teaching aid for the english teaching, because teaching aid, do not have other supports between fastening hinge and the bracing piece, easily cause the junction of teaching panel and fastening hinge and the junction of fastening hinge and bracing piece to become flexible or damage fastening hinge and bracing piece because of stress concentration, cause the position instability of teaching panel, the angle is uncontrollable, makes its angle controllable effect that loses the teaching panel, brings the inconvenience of using for the teacher.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that english teaching aid among the prior art causes the position of teaching panel unstable because stress concentration to a teaching aid is used in teaching is provided.

In order to solve the technical problem, the utility model provides a teaching aid for teaching, include:

a display board;

the telescopic lifting device comprises a bottom plate, a lifting mechanism and a lifting mechanism, wherein the bottom plate is provided with a first telescopic rod and a second telescopic rod, and the first telescopic rod and the second telescopic rod can both extend and retract along a vertical direction perpendicular to the bottom plate;

the third telescopic rod is connected between the first telescopic rod and the display board and can be extended and retracted along the horizontal direction parallel to the bottom plate;

the supporting rod is rotatably connected between the bottom plate and the display board, and one end, far away from the bottom plate, of the second telescopic rod is connected with the supporting rod and used for supporting the supporting rod.

Optionally, the first telescopic rod and the third telescopic rod are both provided with a plurality of first telescopic rods which are uniformly distributed on the bottom plate, and the plurality of third telescopic rods are uniformly distributed on the display board.

Optionally, the first telescopic rod and the third telescopic rod are respectively provided with two, the two first telescopic rods are relatively fixed on the bottom plate, and the two third telescopic rods are relatively fixed on the display board.

Optionally, the storage box is fixed on the bottom plate and is suitable for storing articles.

Optionally, the storage box is internally provided with an accommodating cavity, the side surface of the storage box is provided with a movable door, and the movable door can be opened and closed to cover the accommodating cavity.

Optionally, a handle is arranged on the side, away from the accommodating cavity, of the movable door, and an anti-slip layer is arranged on the handle.

Optionally, both ends of the supporting rod are respectively hinged with the storage box and the display board.

Optionally, the rack further comprises a first hinge and a second hinge, wherein one end of the first hinge is fixedly connected with the side surface of the storage box far away from the bottom plate, and the other end of the first hinge is fixedly connected with one end of the support rod close to the storage box;

one end of the second hinge is fixedly connected with the display board, and the other end of the second hinge is fixedly connected with one end, far away from the storage box, of the supporting rod.

Optionally, still include the connecting link, the one end of connecting link with storage box detachably rotates to be connected, the other end with show board detachably rotates to be connected.

Optionally, a limiting shell is fixed on the bottom plate, and the limiting shell is sleeved on the periphery of the first telescopic rod.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a teaching aid for teaching, including show board, bottom plate, first telescopic link, second telescopic link, third telescopic link and bracing piece, first telescopic link and second telescopic link set up on the bottom plate to can be along with the vertical direction of bottom plate vertically is flexible, the third telescopic link is connected between first flexible pipe and show board, the third telescopic link can be along the horizontal direction that is parallel with the show board flexible, the bracing piece rotationally connects between bottom plate and show board, the one end that the bottom plate was kept away from to the second telescopic link is connected with the bracing piece, the second telescopic link can support the bracing piece, prevent that the bracing piece from dropping towards the direction of bottom plate; the height of the adjustable show board of the length of adjustment first telescopic link and second telescopic link, the angle of the adjustable show board of the length of adjustment third telescopic link, the angle modulation mode of such show board can make the position of show board more stable, and difficult the emergence is rocked, the content on the better show board of being convenient for.

Because third telescopic link and bracing piece are connected with the show board respectively, third telescopic link and bracing piece can also adjust the angle of show board when supporting the show board. Simultaneously, the gravity of show board can disperse on third telescopic link and bracing piece, and the stress that third telescopic link and bracing piece received separately reduces like this, can avoid the gravity of show board to concentrate and apply on third telescopic link or bracing piece, can reduce the impaired probability of third telescopic link and bracing piece, further makes the position stability of show board, prolongs the life of teaching aid for the teaching.

2. The utility model provides a teaching aid is used in teaching, first telescopic link and third telescopic link all have a plurality ofly, a plurality of first telescopic link evenly distributed are on the bottom plate, a plurality of third telescopic link evenly distributed are in the backup pad, can further disperse the gravity of show board through a plurality of first telescopic links and a plurality of third telescopic links, the component that makes bracing piece and every first telescopic link and third telescopic link receive is littleer, the bracing piece can be further advanced, first telescopic link and the impaired probability of third telescopic link, the life of teaching aid is used in the extension teaching.

3. The utility model provides a teaching aid is used in teaching is fixed with the storage box on the bottom plate, and the teacher can place the article that need not use temporarily on the storage box when using this teaching aid to teach, and the short duration of the article of being convenient for is deposited.

4. The utility model provides a teaching aid is used in teaching is formed with in the storage box and holds the chamber, and the side of storage box is provided with the dodge gate, but the open closed cover hold the chamber, and a lot of teaching materials and the instrument that the teacher used, when the short time need not use, can place it and holding the intracavity, the collection and the depositing of the teaching materials and the instrument of being convenient for.

5. The utility model provides a teaching aid is used in teaching sets up the handle in the side that holds the chamber is kept away from at the dodge gate, is convenient for like this open and close the dodge gate, sets up the skid resistant course on hand, can increase the frictional force between handle and the hand, is convenient for more swift open the dodge gate.

6. The utility model provides a teaching aid is used in teaching, the both ends of bracing piece are articulated with storage box and show board respectively, promptly, the one end and the storage box of bracing piece are articulated, and the other end and the show board of bracing piece are articulated, and during the angle through third telescopic link adjustment show board, the position accessible of the relative bracing piece of show board rotates and carries out corresponding adjustment.

7. The utility model provides a teaching aid for teaching, detachably rotate between storage box and show board and be connected with the connecting chain, namely, the connecting chain is detachably connected with storage box and show board respectively; meanwhile, the connecting chain is respectively and rotatably connected with the storage box and the display board.

8. The utility model provides a teaching aid for teaching, fixed spacing casing on the floor, spacing casing cover is established in the periphery of first telescopic link, and on the one hand, spacing casing can protect first telescopic link, prevents that first telescopic link from being destroyed by the external world; on the other hand, the limiting shell is vertically fixed on the bottom plate and sleeved on the periphery of the first telescopic rod, so that the first telescopic rod can be prevented from shaking due to looseness in the using time process, and the limiting effect is achieved on the vertical direction of the first telescopic rod.

Drawings

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

Fig. 1 is a side view of a teaching aid for teaching provided in an embodiment of the present invention;

fig. 2 is a front view of a teaching aid for teaching provided in an embodiment of the present invention;

fig. 3 is a schematic diagram of a connecting chain provided in an embodiment of the present invention.

Description of reference numerals:

1. a base plate; 2. positioning seats; 3. a first telescopic rod; 4. a third telescopic rod; 5. positioning blocks; 6. a display board; 7. a storage box; 8. a first hinge; 9. a support bar; 10. a second hinge; 11. connecting blocks; 12. A first retaining ring; 13. a first hook; 14. a chain body; 15. a second hook; 16. a second retaining ring; 17. a limiting block; 18. a second telescopic rod; 19. a universal wheel; 20. a movable door; 21. a handle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of the teaching aid shown in fig. 1 to 3 includes:

a display board 6.

The bottom plate 1 is provided with a first telescopic rod 3 and a second telescopic rod 18, and the first telescopic rod 3 and the second telescopic rod 18 can both stretch along the vertical direction perpendicular to the bottom plate 1.

And the third telescopic rod 4 is connected between the first telescopic rod 3 and the display board 6 and can be extended and retracted along the horizontal direction parallel to the bottom plate 1.

The supporting rod 9 is rotatably connected between the bottom plate 1 and the display board 6, and one end, far away from the bottom plate 1, of the second telescopic rod 18 is connected with the supporting rod 9 and used for supporting the supporting rod 9.

According to the teaching aid for teaching, the first telescopic rod 3 and the second telescopic rod 18 are arranged on the bottom plate 1 and can stretch out and draw back along the vertical direction perpendicular to the bottom plate 1, the third telescopic rod 4 is connected between the first telescopic pipe and the display board 6, the third telescopic rod 4 can stretch out and draw back along the horizontal direction parallel to the display board 6, the supporting rod 9 can be rotatably connected between the bottom plate 1 and the display board 6, one end, away from the bottom plate 1, of the second telescopic rod 18 is connected with the supporting rod 9, and the second telescopic rod 18 can support the supporting rod 9 to prevent the supporting rod 9 from falling down towards the bottom plate 1; the height of the adjustable length show board 6 of adjustment first telescopic link 3 and second telescopic link 18, the angle of the adjustable length show board 6 of adjustment third telescopic link 4, such angle modulation mode of show board 6 can make the position of show board 6 more stable, and difficult the emergence is rocked, the content on the better show board 6 of being convenient for.

Because third telescopic link 4 and bracing piece 9 are connected with show board 6 respectively, third telescopic link 4 and bracing piece 9 can also adjust the angle of show board 6 when supporting show board 6. Simultaneously, the gravity of show board 6 can disperse on third telescopic link 4 and bracing piece 9, and the stress that third telescopic link 4 and bracing piece 9 received separately reduces like this, can avoid the gravity of show board 6 to concentrate and apply on third telescopic link 4 or bracing piece 9, can reduce the impaired probability of third telescopic link 4 and bracing piece 9, further makes the stable in position of show board 6, prolongs the life of teaching aid for the teaching.

It can be understood that the connection relationship between the third telescopic rod 4 and the first telescopic rod 3 and the display board 6 can be a fixed connection or a detachable connection. In this embodiment, two ends of the third telescopic rod 4 are respectively fixedly connected with the first telescopic rod 3 and the display board 6.

The first telescopic rod 3, the second telescopic rod 18 and the third telescopic rod 4 can adopt various telescopic rods in the prior art.

The content displayed on the display board 6 is not limited, and may be content for english teaching, content for mathematical teaching, or content for teaching in other courses.

Specifically, as shown in fig. 1 and 2, the first telescopic rods 3 and the third telescopic rods 4 are both provided with a plurality of first telescopic rods 3 uniformly distributed on the bottom plate 1, and a plurality of third telescopic rods 4 uniformly distributed on the display board 6. Can further disperse the gravity of show board 6 through a plurality of first telescopic links 3 and a plurality of third telescopic links 4, make the component force that bracing piece 9 and every first telescopic link 3 and third telescopic link 4 received littleer, can further bracing piece 9, first telescopic link 3 and the damaged probability of third telescopic link 4, the life of extension teaching aid for the teaching.

The number of the first telescopic rods 3 and the third telescopic rods 4 is not limited, and when the number of the first telescopic rods 3 and the third telescopic rods 4 is equal, the first telescopic rods 3 and the third telescopic rods 4 can be arranged in a one-to-one correspondence manner. For example, the first telescopic rod 3 and the third telescopic rod 4 are respectively provided with two, the two first telescopic rods 3 are relatively fixed on the bottom plate 1, and the two third telescopic rods 4 are relatively fixed on the display board 6. When the number of the first telescopic rods 3 is not equal to that of the third telescopic rods 4, the first telescopic rods and the third telescopic rods can be arranged in a one-to-many mode.

As shown in fig. 1, a limiting block 17 is fixed on the supporting rod 9, and the limiting block 17 is fixedly connected with one end of the second telescopic rod 18 far away from the bottom plate 1.

As shown in fig. 1, a positioning block 5 is fixed on a side surface of the display board 6 facing the third telescopic rod 4, and the positioning block 5 is fixedly connected with one end of the third telescopic rod far away from the first telescopic rod 3.

As shown in fig. 1 and 2, the teaching aid further includes a storage box 7 fixed to the base plate 1 and adapted to store articles. The teacher can place article that need not use temporarily on storage box 7 when using this teaching aid to teach, and the article of being convenient for are short for deposit.

As shown in fig. 2, an accommodating cavity is formed inside the storage box 7, a movable door 20 is disposed on a side surface of the storage box 7, and the movable door 20 covers the accommodating cavity in an openable manner. Many teaching materials and instruments that the teacher used, when the short time need not use, can place it and hold the intracavity, the collection and the depositing of the teaching material of being convenient for and instrument.

As shown in fig. 2, a handle 21 is disposed on a side of the movable door 20 away from the accommodating cavity, and an anti-slip layer is disposed on the handle 21. Therefore, the movable door 20 can be opened and closed conveniently, the anti-skid layer is arranged on the handle 21, the friction force between the handle 21 and the hand can be increased, and the movable door 20 can be opened more quickly and conveniently.

As shown in fig. 1, two ends of the supporting rod 9 are respectively hinged with the storage box 7 and the display board 6. That is, the one end of bracing piece 9 is articulated with storage box 7, and the other end of bracing piece 9 is articulated with show board 6, and when the angle of showing board 6 was adjusted through third telescopic link 4, the position accessible of the relative bracing piece 9 of show board 6 rotated and carries out corresponding adjustment.

Specifically, as shown in fig. 1, the teaching aid for teaching further comprises a first hinge 8 and a second hinge 10, one end of the first hinge 8 is far away from the storage box 7, the side face of the bottom plate 1 is fixedly connected, and the other end of the first hinge is close to the supporting rod 9, and one end of the storage box 7 is fixedly connected.

One end of the second hinge 10 is fixedly connected with the display board 6, and the other end is fixedly connected with one end of the support rod 9 far away from the storage box 7.

As shown in fig. 1 and 3, the teaching aid for teaching further comprises a connecting chain, one end of the connecting chain is connected with the storage box 7 in a detachable rotating mode, and the other end of the connecting chain is connected with the display board 6 in a detachable rotating mode. The detachable rotary connection means that: the connecting chain is connected with storage box 7 and show board 6 detachably respectively, and simultaneously, the connecting chain rotationally is connected with storage box 7 and show board 6 respectively.

The connecting chain includes chain body 14 and first couple 13 and the second couple 15 of being connected respectively with the both ends of chain body 14, and show board 6 is fixed with connecting block 11 towards the side of second telescopic link 18, is fixed with first solid fixed ring 12 on the connecting block 11, and the external surface mounting of second telescopic link 18 has the solid fixed ring 16 of second, and first couple 13 is connected with first solid fixed ring 12 detachably, and second couple 15 is connected with the solid fixed ring 16 detachably of second.

A limiting shell is fixed on the bottom plate 1, and the limiting shell is sleeved on the periphery of the first telescopic rod 3. On one hand, the limiting shell can protect the first telescopic rod 3 and prevent the first telescopic rod 3 from being damaged by the outside; on the other hand, spacing casing is vertical to be fixed on bottom plate 1, and the cover is established in the periphery of first telescopic link 3, can prevent that first telescopic link 3 live time process from appearing rocking because of not hard up, has limiting displacement to the vertical direction of first telescopic link 3.

As shown in fig. 2, a positioning seat 2 is fixed on the bottom plate 1, and the positioning seat 2 is fixedly connected with one end of the first telescopic rod 3 close to the bottom plate 1. Can further fix the position of first telescopic link 3 like this, prevent that first telescopic link 3 from appearing rocking in the use.

As shown in FIG. 2, a plurality of universal wheels 19 are arranged on the bottom plate 1, a brake is arranged on each universal wheel 19, the teaching aid can be moved easily through the universal wheels 19 and can be fixed through the brake.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A teaching aid for teaching, comprising:

a display board (6);

the telescopic lifting device comprises a bottom plate (1) and a lifting mechanism, wherein a first telescopic rod (3) and a second telescopic rod (18) are arranged on the bottom plate (1), and the first telescopic rod (3) and the second telescopic rod (18) can both extend and retract along a vertical direction perpendicular to the bottom plate (1);

the third telescopic rod (4) is connected between the first telescopic rod (3) and the display board (6) and can be extended and retracted along the horizontal direction parallel to the bottom plate (1);

the supporting rod (9) is rotatably connected between the bottom plate (1) and the display board (6), and one end, far away from the bottom plate (1), of the second telescopic rod (18) is connected with the supporting rod (9) and used for supporting the supporting rod (9).

2. A teaching aid as claimed in claim 1, wherein the first (3) and third (4) extension rods are each provided in plurality, the first (3) extension rods being evenly distributed over the base plate (1), and the third (4) extension rods being evenly distributed over the display board (6).

3. A teaching aid as claimed in claim 2, wherein the first (3) and third (4) extension rods are two, the two first (3) extension rods being fixed relative to the base plate (1) and the two third (4) extension rods being fixed relative to the display board (6).

4. A teaching aid as claimed in any of claims 1-3, further comprising a storage compartment (7) secured to the base plate (1) and adapted to store articles.

5. A teaching aid as claimed in claim 4, wherein the storage box (7) is formed with a receiving cavity therein, a movable door (20) is provided on a side of the storage box (7), and the movable door (20) covers the receiving cavity in an openable manner.

6. A teaching aid as claimed in claim 5, wherein a handle (21) is provided on the side of the movable door (20) remote from the cavity, and an anti-slip layer is provided on the handle (21).

7. A teaching aid as claimed in claim 4, wherein the ends of the support bar (9) are hinged to the storage box (7) and the display board (6), respectively.

8. A teaching aid as claimed in claim 7, further comprising a first hinge (8) and a second hinge (10), wherein one end of the first hinge (8) is fixedly connected to the side of the storage box (7) remote from the base plate (1), and the other end is fixedly connected to the end of the support rod (9) close to the storage box (7);

one end of the second hinge (10) is fixedly connected with the display board (6), and the other end of the second hinge is fixedly connected with one end, far away from the storage box (7), of the supporting rod (9).

9. A teaching aid as claimed in claim 7, further comprising a connecting chain, one end of which is detachably and rotatably connected to the storage box (7) and the other end of which is detachably and rotatably connected to the display board (6).

10. A teaching aid as claimed in claim 4, wherein a limiting shell is fixed to the base plate (1) and is sleeved on the periphery of the first telescopic rod (3).