CN211264672U

CN211264672U - Portable English outdoor teaching board

Info

Publication number: CN211264672U
Application number: CN201922117171.3U
Authority: CN
Inventors: 顾天华
Original assignee: Xinyi Time Set Construction And Development Co ltd
Current assignee: Xinyi Time Set Construction And Development Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-14
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a portable English outdoor teaching board, which belongs to the field of teaching tools and comprises a connecting rod, wherein the rear side end of the connecting rod is fixedly connected with a pair of hinges, the upper end of the connecting rod is connected with a first main board through a hinge, the lower end of the connecting rod is connected with a second main board through a hinge, the upper side and the lower side of the connecting rod are respectively provided with a handle, the left end and the right end of the first main board are respectively rotatably connected with a rotating shaft, the two ends of the rotating shaft, which are far away from the first main board, are respectively fixedly connected with a positioning block, the left end and the right end of the first main board and the positioning block are respectively provided with a square positioning hole, a first positioning pin is inserted between the two square positioning holes, the lower end of the rotating shaft is respectively rotatably connected with a telescopic rod, the pair of telescopic rods are respectively inserted with a second, and the English teaching quality is improved.

Description

Portable English outdoor teaching board

Technical Field

The utility model relates to a teaching aid field, more specifically say, relate to an outdoor teaching board of portable english.

Background

With the continuous development of the international trade field, the learning of foreign languages becomes the basis of the international trade, at present, the teaching of foreign languages is basically completed through the traditional classroom teaching, as the learning of foreign languages is mainly performed by children, for smaller students, the traditional teaching is boring and boring, the interest of learning cannot be aroused, and the outdoor teaching device is few, and the teaching board is one of the most conventional teaching tools and is not easy to carry.

The teaching board in the prior art is inconvenient to carry and is not easy to adjust.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an outdoor teaching board of portable english, it can the multisection be adjusted, conveniently carries, increases the interest that the student studied english, improves english teaching quality.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A portable English outdoor teaching board comprises a connecting rod, wherein a pair of hinges is fixedly connected to the rear side end of the connecting rod, the upper end of the connecting rod is connected with a first main board in a hinged mode, the lower end of the connecting rod is connected with a second main board in a hinged mode, the first main board and the second main board are respectively connected to the upper end and the lower end of the connecting rod through the pair of hinges, handles are arranged on the upper side and the lower end of the connecting rod and are symmetrical up and down, one handle is fixedly connected to the upper end of the first main board, the other handle is fixedly connected to the lower end of the second main board, rotating shafts are rotatably connected to the left end and the right end of the first main board, locating blocks are fixedly connected to the two ends, far away from the first main board, of the rotating shafts, square locating holes are drilled in the left end and the locating blocks in the left, and are positioned on the same horizontal line, a first positioning pin is inserted between the two square positioning holes, the lower ends of the pair of rotating shafts are rotatably connected with telescopic rods, the side end of the telescopic rod is connected with a locking screw, the left end and the right end of the second main board and the telescopic rod are both provided with round positioning holes, and are positioned on the same horizontal line, a pair of the telescopic rods are inserted with second positioning pins which penetrate through the circular positioning holes on the telescopic rods, one ends of the pair of the second positioning pins are respectively inserted in the circular positioning holes at the left end and the right end of the second main board, the other ends of the pair of the second positioning pins respectively extend to the outer sides of the pair of the telescopic rods, the lower end of the telescopic rod is fixedly connected with a base, the lower end of the base is fixedly connected with a universal wheel, can the multisection be adjusted, conveniently carry, increase the interest of student's study english, improve english teaching quality.

Preferably, the circular locating hole that cuts on the telescopic link is a plurality of, and the rubber pad has been laid to circular locating hole inner wall, guarantees that the telescopic link when rotating a plurality of positions, and the second locating pin can both be pegged graft in the circular locating hole at both ends about the second mainboard, fixes telescopic link and second mainboard and makes the telescopic link no longer rotate, makes the second mainboard no longer overturn simultaneously.

Preferably, it is a pair of the equal fixedly connected with extension spring in bottom of telescopic link, when telescopic link length is not enough, extension spring can extend a short distance to the length of extension telescopic link, extension spring also can reach the effect of a buffering simultaneously.

Preferably, the upper end of first mainboard is opened the chisel and is had a pair of first thing groove of putting, and first thing inslot wall has laid the foam-rubber cushion, when carrying this outdoor teaching board of portable english, can place some teaching books, first locating pin and second locating pin.

Preferably, the lower end of the second main board is provided with a second storage groove in a chiseled mode, and when the portable English outdoor teaching board is carried, a blackboard eraser and chalk can be placed.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can the multisection be adjusted, conveniently carries, increases the interest that the student studied the english, improves english teaching quality.

(2) The circular locating hole that cuts on the telescopic link is a plurality of, and the rubber pad has been laid to circular locating hole inner wall, guarantees that the telescopic link when rotating a plurality of positions, and the second locating pin can both be pegged graft in the circular locating hole at both ends about the second mainboard, fixes telescopic link and second mainboard and makes the telescopic link no longer rotate, makes the second mainboard no longer overturn simultaneously.

(3) The equal fixedly connected with extension spring in the interior bottom of a pair of telescopic link, when telescopic link length is not enough, extension spring can extend a segment distance to the length of extension telescopic link, extension spring also can reach the effect of a buffering simultaneously.

(4) The upper end of first mainboard is opened the chisel and is had a pair of first thing groove of putting, and first thing inslot wall has laid the foam-rubber cushion, when carrying this outdoor teaching board of portable english, can place some teaching books, first locating pin and second locating pin.

(5) The lower extreme of second mainboard is opened the chisel and is had the second and put the thing groove, when carrying this portable outdoor teaching board of english, can place blackboard eraser and chalk.

Drawings

Fig. 1 is a rear view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a front view of the telescopic rod of the present invention when it is extended and rotated 90 degrees;

fig. 4 is a side view of the base when the telescopic rod of the present invention rotates 90 degrees.

The reference numbers in the figures illustrate:

1 first mainboard, 2 second mainboards, 3 handles, 4 connecting rods, 5 hinges, 6 pivots, 7 locating pieces, 8 first locating pins, 9 telescopic links, 10 locking screws, 11 second locating pins, 12 extension springs, 13 bases, 14 universal wheels, 15 first article slots, 16 second article slots.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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.

Example 1:

referring to fig. 1-4, a portable english outdoor teaching board comprises a connecting rod 4, a pair of hinges 5 is fixedly connected to the rear side end of the connecting rod 4, the upper end of the connecting rod 4 is connected with a first main board 1, the lower end of the connecting rod 4 is connected with a second main board 2, the first main board 1 and the second main board 2 are respectively connected to the upper end and the lower end of the connecting rod 4 through the pair of hinges 5, handles 3 are respectively arranged on the upper side and the lower side of the connecting rod 4, the pair of handles 3 are vertically symmetrical, one handle 3 is fixedly connected to the upper end of the first main board 1, the other handle 3 is fixedly connected to the lower end of the second main board 2, the left end and the right end of the first main board 1 are respectively rotatably connected with a rotating shaft 6, positioning blocks 7 are respectively fixedly connected to the two ends of the pair of rotating shafts 6 far away from the first main, the two square positioning holes are matched, the two square positioning holes are positioned on the upper side of the rotating shaft 6 and positioned on the same horizontal line, a first positioning pin 8 is inserted between the two square positioning holes, the lower ends of the pair of rotating shafts 6 are rotatably connected with telescopic rods 9, the side ends of the telescopic rods 9 are connected with locking screws 10, the locking screws 10 are used for fixing the length of the telescopic rods 9, the inner bottom ends of the pair of telescopic rods 9 are fixedly connected with extension springs 12, when the length of the telescopic rods 9 is insufficient, the extension springs 12 can extend for a short distance to lengthen the length of the telescopic rods 9, meanwhile, the extension springs 12 can achieve a buffering effect, round positioning holes are drilled in the left end and the right end of the second main board 2 and the telescopic rods 9 and positioned on the same horizontal line, a plurality of round positioning holes are drilled in the telescopic rods 9, rubber pads are laid on the inner walls of the round positioning holes, the second positioning pins 11 can be inserted into the circular positioning holes at the left and right ends of the second main board 2, the telescopic rods 9 and the second main board 2 are fixed to prevent the telescopic rods 9 from rotating and prevent the second main board 2 from turning over, the second positioning pins 11 are inserted into the pair of telescopic rods 9, the second positioning pins 11 penetrate through the circular positioning holes in the telescopic rods 9, one ends of the pair of second positioning pins 11 are inserted into the circular positioning holes at the left and right ends of the second main board 2, the other ends of the pair of second positioning pins 11 extend to the outer sides of the pair of telescopic rods 9, the lower end of the telescopic rods 9 is fixedly connected with a base 13, the lower end of the base 13 is fixedly connected with a universal wheel 14, a brake pad is mounted on the universal wheel 14 and can brake at any time, the upper end of the first main board 1 is provided with a pair of first storage grooves 15, and sponge pads are laid on the inner walls of the first, can place some teaching books, first locating pin 8 and second locating pin 11, can adjust by the multisection, the lower extreme of second mainboard 2 is opened and is dug the second and put thing groove 16, when carrying this outdoor teaching board of portable english, can place blackboard eraser and chalk.

Referring to fig. 1, the first positioning pin 8 and the second positioning pin 11 are pulled out, the locking screw 10 is loosened, the length of the telescopic rod 9 is shortened, the telescopic rod 9 is rotated to make the horizontal end of the base 13 form an included angle of 90 degrees with the ground, the locking screw 10 is locked, the length of the telescopic rod 9 is fixed, the first main board 1 and the second main board 2 are turned over, the first positioning pin 8 and the second positioning pin 11 are placed in the first storage groove 15 for carrying, the first main board 1 and the second main board 2 are turned over when the main board reaches the outdoor environment by carrying the handle 3, the first main board 1 and the second main board 2 are taken out, the first positioning pin 8 and the second positioning pin 11 are taken out, the first positioning pin 8 is inserted to fix the first main board 1, the first main board 1 is not turned over again, the rotating shaft 6 is fixed, the rotating shaft 6 is not rotated again, the locking screw 10 is loosened, the length of the telescopic rod 9 is extended, the locking screw 10 is tightened, the length of the telescopic, fix second mainboard 2, make second mainboard 2 no longer overturn, make telescopic link 9 no longer rotate simultaneously, the horizontal end of base 13 this moment becomes 90 contained angles with ground, and this outdoor teaching board of portable english is placed subaerial more stably, and the universal wheel 14 is conveniently removed, installs the brake block on the universal wheel 14, can brake at any time, conveniently carries, increases the interest that the student studied english, improves english teaching quality.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides an outdoor teaching board of portable english, includes connecting rod (4), its characterized in that: the rear side end of the connecting rod (4) is fixedly connected with a pair of hinges (5), the upper end of the connecting rod (4) is connected with a first main board (1) in a hinge mode, the lower end of the connecting rod (4) is connected with a second main board (2) in a hinge mode, the first main board (1) and the second main board (2) are respectively connected to the upper end and the lower end of the connecting rod (4) in a hinge mode through the pair of hinges (5), handles (3) are arranged on the upper side and the lower side of the connecting rod (4) respectively, the pair of handles (3) are vertically symmetrical, one handle (3) is fixedly connected to the upper end of the first main board (1), the other handle (3) is fixedly connected to the lower end of the second main board (2), the left end and the right end of the first main board (1) are rotatably connected with a rotating shaft (6), and the two ends, far away from the first, the left end and the right end of the first main board (1) and the positioning block (7) are respectively provided with a square positioning hole, the two square positioning holes are matched, the two square positioning holes are positioned at the upper side of the rotating shaft (6) and positioned on the same horizontal line, a first positioning pin (8) is inserted between the two square positioning holes, the lower ends of a pair of rotating shafts (6) are respectively connected with a telescopic rod (9) in a rotating way, the side end of the telescopic rod (9) is connected with a locking screw (10), the left end and the right end of the second main board (2) and the telescopic rod (9) are respectively provided with a round positioning hole and positioned on the same horizontal line, a pair of telescopic rods (9) are respectively inserted with a second positioning pin (11), the second positioning pin (11) penetrates through the round positioning holes in the telescopic rod (9), and one end of the second positioning pin (11) is respectively inserted in the round positioning holes at the left end and the right, the other end of the pair of second locating pins (11) extends to the outer sides of the pair of telescopic rods (9) respectively, the lower end of each telescopic rod (9) is fixedly connected with a base (13), and the lower end of each base (13) is fixedly connected with a universal wheel (14).

2. The portable English outdoor teaching board according to claim 1, wherein: a plurality of circular positioning holes are formed in the telescopic rod (9), and rubber pads are laid on the inner walls of the circular positioning holes.

3. The portable English outdoor teaching board according to claim 1, wherein: the inner bottom ends of the telescopic rods (9) are fixedly connected with extension springs (12).

4. The portable English outdoor teaching board according to claim 1, wherein: a pair of first storage grooves (15) are formed in the upper end of the first main board (1) in a chiseled mode, and spongy cushions are laid on the inner walls of the first storage grooves (15).

5. The portable English outdoor teaching board according to claim 1, wherein: the lower end of the second main board (2) is provided with a second storage groove (16).