CN213458597U

CN213458597U - Economics teaching appurtenance of giving lessons

Info

Publication number: CN213458597U
Application number: CN202021695400.6U
Authority: CN
Inventors: 王欢
Original assignee: Changqing School Of Lanzhou University Of Finance And Economics
Current assignee: Changqing School Of Lanzhou University Of Finance And Economics
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-15
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses an economics teaching appurtenance of giving lessons, including bottom plate (1), bottom plate (1) below is connected and is equipped with supporting leg (2), supporting leg (2) below is connected and is equipped with universal wheel (3), bottom plate (1) is gone up to connect and is equipped with bracing piece (4), bracing piece (4) are including interior pipe (5) and excircle pipe (6), interior pipe (5) activity cup joints on outer pipe (6), outer pipe (6) are equipped with locking knob (7) with interior pipe (5) junction, it is equipped with slope (8) to lie in interior pipe (5) junction on locking knob (7), be equipped with locking ball (9) in slope (8), the connection is equipped with horizontal telescopic link (10) on bracing piece (4), telescopic link (10) both ends are all connected and are equipped with couple (11). Compared with the prior art, the utility model the advantage lies in: simple structure, reasonable in design, be convenient for remove, convenient to use.

Description

Economics teaching appurtenance of giving lessons

Technical Field

The utility model relates to a teaching aid technical field specifically indicates an economics teaching appurtenance of giving lessons.

Background

In the economics teaching, often need use the chart to assist teaching, the teacher through hanging the chart so that can be more audio-visual give lessons to the student that imparts knowledge to students, at present, most teachers can hang the chart on the blackboard and fix with the picture nail, can occupy the space of most blackboard, inconvenient mr's the teaching, in addition, partial chart is too big, hangs inconveniently, the chart can't remove in the use, the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical problem, provide a simple structure, reasonable in design, be convenient for remove, convenient to use's an economics teaching appurtenance of giving lessons.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an economics teaching appurtenance of giving lessons, includes the bottom plate, the bottom plate below is connected and is equipped with the supporting leg, the supporting leg below is connected and is equipped with the universal wheel, the connection is equipped with the bracing piece on the bottom plate, the bracing piece includes interior pipe and excircle pipe, interior pipe activity cup joints on outer pipe, outer pipe is equipped with the locking knob with interior pipe junction, the pipe junction is equipped with the slope in lieing in on the locking knob, be equipped with the locking ball in the slope, the connection is equipped with horizontal telescopic link on the bracing piece, the telescopic link both ends are all connected and are equipped with the couple.

As an improvement, the universal wheel is connected with a brake pad.

As an improvement, the locking knob is uniformly provided with anti-skid projections.

As an improvement, the telescopic link includes fixed pipe, fixed pipe both ends symmetry slip cup joints and is equipped with the extension pipe, be equipped with spacing hole on the fixed pipe, the last connection of extension pipe is equipped with the spring catch, the spring catch uses with spacing hole cooperation.

As an improvement, the number of the fixed tubes is one, the number of the elongated tubes is four, and the elongated tubes are symmetrical in pairs.

After the structure more than adopting, the utility model has the advantages of it is following: the utility model has the advantages of simple structure, reasonable in design, the locking knob, the cooperation of slope and locking ball is used, the height that can the adjust support pole, and then the whole height of adjustment economics teaching appurtenance, make things convenient for hanging of chart etc. more, make teaching more vivid go on, be applicable to the mr of different heights, it is more convenient to use, application scope is wider, the setting of telescopic link, can be applicable to hanging of the chart of different width, make economics teaching appurtenance practicality better, the setting of universal wheel, make things convenient for the removal of economics teaching appurtenance, help developing of mr teaching more, the setting of brake block can be fixed economics teaching appurtenance after economics teaching appurtenance removes to the assigned position, and is more convenient and practical, the practicality is better.

Drawings

Fig. 1 is a schematic structural view of the teaching aid for economics teaching.

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

Fig. 3 is a schematic structural view of the loosening state of the locking knob in the auxiliary tool for teaching in economics.

Fig. 4 is the utility model relates to a structure sketch of locking knob locking state among the economics teaching appurtenance of giving lessons.

As shown in the figure: 1. the bottom plate, 2, the supporting leg, 3, the universal wheel, 4, the bracing piece, 5, interior pipe, 6, outer pipe, 7, the locking knob, 8, slope, 9, the locking ball, 10, the telescopic link, 11, the couple, 12, the brake block, 13, the non-skid stud, 14, fixed pipe, 15, extension pipe, 16, spacing hole.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation configuration and operation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "provided", "mounted", "connected", and the like are to be understood in a broad sense, and for example, they may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the accompanying drawings 1-4, the auxiliary tool for teaching of economics comprises a bottom plate 1, wherein supporting legs 2 are connected and arranged below the bottom plate 1, universal wheels 3 are connected and arranged below the supporting legs 2, supporting rods 4 are connected and arranged on the bottom plate 1, each supporting rod 4 comprises an inner circular tube 5 and an outer circular tube 6, the inner circular tubes 5 are movably sleeved on the outer circular tubes 6, locking knobs 7 are arranged at the joints of the outer circular tubes 6 and the inner circular tubes 5, slopes 8 are arranged at the joints of the inner circular tubes 5 on the locking knobs 7, locking balls 9 are arranged in the slopes 8, transverse telescopic rods 10 are connected and arranged on the supporting rods 4, and hooks 11 are connected and arranged at two ends of each telescopic rod 10.

Connect on the universal wheel 3 and be equipped with brake block 12, evenly be equipped with non-slip raised 13 on the locking knob 7, telescopic link 10 is including fixed pipe 14, fixed pipe 14 both ends symmetry slides and cup joints and is equipped with extension pipe 15, be equipped with spacing hole 16 on the fixed pipe 14, it is equipped with spring catch 17 to connect on the extension pipe 15, spring catch 17 uses with spacing hole 16 cooperation, fixed pipe 14's quantity is one, extension pipe 15's quantity is four just extension pipe 15 bisymmetry.

When the utility model is implemented, the auxiliary tool for teaching and teaching of economics is pushed to rotate the universal wheel 3, the auxiliary tool for teaching and teaching of economics is driven to move to a proper position, then the brake block 12 is pressed to fix the auxiliary tool for teaching and teaching of economics, according to the width of the chart to be hung, the hook 11 is pulled to pull the extension tube 15 out of the fixed tube 14, the spring pin 17 is matched with the corresponding limit hole 16, the chart is hung on the hook 11, then the locking knob 7 is unscrewed to make the locking ball 9 in a loose state, the position of the inner circular tube 5 relative to the outer circular tube 6 is adjusted, further the overall height of the auxiliary tool for teaching and teaching of economics is adjusted, when the height of the chart reaches a height suitable for the student to watch, the locking knob 7 is screwed down, the locking ball 9 is fixed between the slope 8 and the outer circular tube 5 as well as the inner circular tube 6, the operation is simple, the hanging is convenient, in the process of watching by students, the height and the position of the chart can be respectively adjusted at any time through the locking knob 7 and the universal wheel 3, and the use convenience is high.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an economics teaching appurtenance of giving lessons, includes bottom plate (1), its characterized in that: the utility model discloses a locking device of a motor vehicle, including bottom plate (1), supporting leg (2) below is connected and is equipped with universal wheel (3), the connection is equipped with bracing piece (4) on bottom plate (1), bracing piece (4) are including interior pipe (5) and outer pipe (6), interior pipe (5) activity cup joints on outer pipe (6), outer pipe (6) are equipped with locking knob (7) with interior pipe (5) junction, pipe (5) junction is equipped with slope (8) in lieing in on locking knob (7), be equipped with locking ball (9) in slope (8), the connection is equipped with horizontal telescopic link (10) on bracing piece (4), telescopic link (10) both ends are all connected and are equipped with couple (11).

2. An economics teaching aid according to claim 1 wherein: the universal wheel (3) is connected with a brake pad (12).

3. An economics teaching aid according to claim 1 wherein: and anti-skid protrusions (13) are uniformly arranged on the locking knob (7).

4. An economics teaching aid according to claim 1 wherein: the telescopic rod (10) comprises a fixed pipe (14), the two ends of the fixed pipe (14) are symmetrically sleeved with an extension pipe (15) in a sliding mode, a limiting hole (16) is formed in the fixed pipe (14), a spring pin (17) is connected to the extension pipe (15), and the spring pin (17) is matched with the limiting hole (16) in use.

5. An economics teaching aid according to claim 4 wherein: the number of the fixed tubes (14) is one, the number of the extension tubes (15) is four, and the extension tubes (15) are symmetrical in pairs.