CN205301802U - Portable teaching equipment - Google Patents

Abstract

The utility model discloses a mobile teaching device, which comprises a projection screen main rod, three main rod supporting feet, a pair of first rotating shafts, a pair of first rotating rods, a pair of second rotating shafts, and a pair of second rotating shafts. Rod, pull cord movable buckle, projection screen main body, projection screen curtain, projection screen lower buckle, multiple fastening ring pull hooks, main body pull cord and top interspersed ring; the main rod support leg is set at the lower end of the projection screen main rod The shaft is connected to the main rod of the projection screen and the first rotating rod, the second rotating shaft is connected to the first rotating rod and the second rotating rod, the projection screen is connected to the main body of the projection screen and the buckle under the projection screen, and the buckle hook is set on the main rod of the projection screen On the top, the pull cord movable buckle is set on the main body of the projection screen, the top interspersed ring is set on the main pole of the projection screen, and the main body pull cord is connected with the main body of the projection screen and passes through the top interspersed ring to connect the draw rope movable buckle. The utility model can move the projection teaching in the classroom to the outside to meet individualized and diversified teaching needs; it can keep the overall stability and ensure the quality of the projection.

Description

Mobile teaching equipment

technical field

The utility model relates to a teaching device, in particular to a mobile teaching device.

Background technique

At present, projection-based multimedia teaching has become the main method of teaching, which can not only improve the efficiency of teaching, but also reduce the workload of teachers, so that they can have enough time and space to communicate and interact with students. However, most of the projection devices in the prior art are fixedly installed in classrooms, cannot be moved, are not suitable for outdoor teaching, and cannot meet individualized and diverse teaching needs.

Utility model content

The purpose of this utility model is to provide a mobile teaching equipment, which can move the teaching equipment to the place where it is needed and is easy to carry.

In order to achieve the above object, the technical solution of the utility model is:

A mobile teaching device, comprising a projection screen main rod, three main rod support feet, a pair of first rotating shafts, a pair of first rotating rods, a pair of second rotating shafts, a pair of second rotating rods, and a pull rope Buckle, projection screen main body, projection screen curtain, projection screen lower buckle, multiple fastening ring pull hooks, main body drawstring and top interspersed ring; the projection screen main rod is vertically set, and the three main rod support feet It is obliquely arranged at the lower end of the main rod of the projection screen, and the three main rod support feet form a pyramid frame structure; the pair of first rotation axes are respectively symmetrically arranged on both sides of the main rod of the projection screen , located on the upper part of the main rod of the projection screen, one end of the pair of first rotating rods is respectively connected to the pair of first rotating shafts, and the pair of first rotating rods respectively revolves around the The pair of first rotating shafts rotate; the other ends of the pair of first rotating rods are respectively connected to the pair of second rotating shafts, and one end of the pair of second rotating rods is respectively connected to the A pair of second rotating shafts are correspondingly connected, and the pair of second rotating rods respectively rotate around the pair of second rotating shafts; the upper end of the projection screen is connected with the main body of the projection screen, and Rolled in the main body of the projection screen, the lower buckle of the projection screen is connected to the center of the bottom of the projection screen, and the projection screen is released from the projection screen through the lower buckle of the projection screen. The main body is pulled down; the plurality of fastening ring pull hooks are respectively arranged at intervals on the main pole of the projection screen, located at the lower part of the main pole of the projection screen, and the buckle under the projection screen is connected with the fastening The ring pull hook is adapted to be fastened; the drawstring movable buckle is set on the top side of the main body of the projection screen, the top interpenetrating ring is set on the top of the main rod of the projection screen, and the main body pulls One end of the rope is arranged on the other side of the top of the main body of the projection screen, and the other end of the main body drawstring passes through the top insertion ring and is movably connected with the drawstring movable buckle.

The above-mentioned mobile teaching equipment, wherein, the bottom of the main rod of the projection screen is provided with a support bottom rod, and the lower end of the support bottom rod is connected with three auxiliary support rods, and the three auxiliary support rods are respectively connected to the The middle parts of the three main rod support pins are correspondingly connected.

The above mobile teaching equipment, wherein, the bottoms of the three main rod supporting legs are respectively equipped with universal wheels, and the universal wheels are movably connected with the main rod supporting legs.

In the above mobile teaching equipment, a balance weight is arranged on the main pole of the projection screen, and the balance weight is horizontally arranged in the center of the top of the main body of the projection screen.

The above-mentioned mobile teaching equipment, wherein, the two ends of the main rod of the projection screen are respectively symmetrically provided with rotating rod clamping grooves, which are located at the lower part of the main rod of the projection screen, and the pair of first rotating rods and A pair of second rotating rods are respectively folded and stored on both sides of the main rod of the projection screen through the rotating rod clamping groove.

The utility model can move the projection teaching in the classroom to the outside to meet individualized and diversified teaching needs; it can keep the overall stability and ensure the quality of the projection.

Description of drawings

Fig. 1 is the front view of the utility model mobile teaching equipment.

Fig. 2 is the rear view of the utility model mobile teaching equipment.

detailed description

Further illustrate the embodiment of the present utility model below in conjunction with accompanying drawing.

Please refer to the accompanying drawings 1 and 2, a mobile teaching equipment, including a projection screen main rod 1, three main rod support feet 2, a pair of first rotating shafts 3, a pair of first rotating rods 4, a For the second rotating shaft 5, a pair of second rotating rods 6, pull cord movable buckle 7, projection screen main body 8, projection screen curtain 9, projection screen lower buckle 10, multiple fastening ring pull hooks 11, main body pull cord 12 and The top interspersed ring 13; the main rod 1 of the projection screen is vertically arranged, and the three main rod support feet 2 are respectively obliquely arranged at the lower end of the main rod 1 of the projection screen, and the three main rod support feet 2 A pyramid frame structure is formed; the pair of first rotating shafts 3 are respectively symmetrically arranged on both sides of the main rod 1 of the projection screen, and are located on the upper part of the main rod 1 of the projection screen. One end of a rotating rod 4 is respectively correspondingly connected to the pair of first rotating shafts 3, and the pair of first rotating rods 4 rotate around the pair of first rotating shafts 3 respectively; The other end of the first rotating rod 4 is respectively connected to the pair of second rotating shafts 5 correspondingly, and one end of the pair of second rotating rods 6 is respectively connected to the pair of second rotating shafts 5 correspondingly, The pair of second rotating rods 6 respectively rotate around the pair of second rotating shafts 5; the upper end of the projection screen 9 is connected with the projection screen main body 8, and rolled on the In the projection screen main body 8, the projection screen lower buckle 10 is connected to the bottom center of the projection screen 9, and the projection screen 9 is removed from the projection screen main body through the projection screen lower buckle 10. Pull down in 8; the plurality of fastening ring pull hooks 11 are respectively arranged at intervals on the main rod 1 of the projection screen, and are located at the bottom of the main rod 1 of the projection screen, and the buckle 10 under the projection screen is connected to the The buckle ring hook 11 described above is suitable for fastening; the drawstring movable buckle 7 is set on the top side of the projection screen main body 8, and the top penetration ring 13 is set on the main pole of the projection screen 1, one end of the main body stay cord 12 is arranged on the other side of the top of the projection screen main body 8, and the other end of the main body stay cord 12 passes through the top insertion ring 13 and the The pull cord active buckle 7 is movably connected.

The bottom of the main rod 1 of the projection screen is provided with a supporting bottom rod 14, and the lower end of the supporting bottom rod 14 is connected with three auxiliary supporting rods 15, and the three auxiliary supporting rods 15 are connected with the three main rods respectively. The middle parts of the supporting feet 2 are connected correspondingly, which can play the role of inverted support and disperse the force of the supporting feet 2 of the three main rods.

The bottoms of the three main pole support feet 2 are respectively provided with universal wheels 16, and the universal wheels 16 are movably connected with the main pole support feet 2, are detachable, and can be moved arbitrarily, which is convenient for moving. .

The main pole 1 of the projection screen is provided with a balance weight 17, and the balance weight 17 is horizontally arranged on the top center of the projection screen main body 8, which can keep the projection screen main body 8 horizontal and stable and reduce shaking.

Both sides of the projection screen main rod 1 are respectively symmetrically provided with rotating rod clamping grooves 18, which are located at the bottom of the projection screen main rod 1. The pair of first rotating rods 4 and the pair of second rotating rods The rods 6 are respectively folded and stored on both sides of the main rod 1 of the projection screen through the rotating rod clamping grooves 18, so as to facilitate the storage of a pair of first rotating rods 4 and a pair of second rotating rods 6 .

When in use, select the projection screen main body 8 and the projection screen curtain 9 of appropriate size, hang them on the projection screen main pole 1 through the main body drawstring 12, pull down the projection screen lower buckle 10 and fasten it on the fastening ring pull hook 11 , a plurality of snap ring hooks 11 can adjust the height of the projection screen 9; a pair of first rotating rods 4 and a pair of second rotating rods 6 pass through a pair of first rotating shafts 3 and a pair of second rotating shafts 5 respectively Rotate and unfold, fit and support on the rear end surface of the projection screen 9, for supporting the projection screen 9, and prevent the edge of the projection screen 9 from warping or being blown by the wind and shaking.

In the description of the present utility model, it should be understood that the terms "vertical", "lower end", "both sides", "upper", "one end", "another end", "inner", "bottom", " The orientation or positional relationship indicated by "center", "lower", "upper", "lower", "top", "one side", "other side", "middle", "horizontal" etc. is based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a reference to the utility model. limits.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "setting", "connecting" and "fixing" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or a Integral; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

To sum up, the utility model can move the projection teaching in the classroom to the outside to meet the personalized and diversified teaching needs; it can keep the overall stability and ensure the quality of the projection.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structural transformation made by the contents of the specification of the utility model, or direct or indirect use of the technical fields attached to other related products , are all included in the scope of patent protection of the utility model in the same way.

Claims (5)

1. a portable teaching equipment, it is characterised in that: comprise projection screen mobile jib, clasp under the 2nd dwang, stay cord movable button, projection screen main body, projection screen curtain, projection screen, multiple button connect ring drag hook, main body stay cord and top and intert ring by the 2nd rotation axis, by the first dwang, by the first rotation axis, by three mobile jib feets; Described projection screen mobile jib is vertically arranged, and three described mobile jib feets are inclined at the lower end of described projection screen mobile jib respectively, and three described mobile jib feets form pyramid skeleton construction; A described couple first rotation axis is symmetricly set on the two side ends of described projection screen mobile jib respectively, it is positioned at the top of described projection screen mobile jib, one end of a described couple first dwang is connection corresponding to a described couple first rotation axis respectively, and a described couple first dwang rotates around a described couple first rotation axis respectively; The other end of a described couple first dwang is connection corresponding to a described couple the 2nd rotation axis respectively, one end of a described couple the 2nd dwang is connection corresponding to a described couple the 2nd rotation axis respectively, and a described couple the 2nd dwang rotates around a described couple the 2nd rotation axis respectively; The upper end of described projection screen curtain is connected with described projection screen main body, and roll up and put in described projection screen main body, under described projection screen, clasp is connected to the bottom center of described projection screen curtain, described projection screen curtain by clasp under described projection screen from described projection screen main body drop-down; Described multiple buttons connect ring drag hook and are disposed on respectively on described projection screen mobile jib, are positioned at the bottom of described projection screen mobile jib, and under described projection screen, clasp and described buckleing connect ring drag hook adaptation and buckle and connect; Described stay cord movable button is arranged on the top side of described projection screen main body, the interspersed ring in described top is arranged on the top of described projection screen mobile jib, one end of described main body stay cord is arranged on another side, top of described projection screen main body, and through described top, interspersed ring is flexibly connected the other end of described main body stay cord with described stay cord movable button.

2. portable teaching equipment according to claim 1, it is characterized in that: the bottom of described projection screen mobile jib is provided with support bottom bar, the lower end of described support bottom bar is connected with three auxiliary support bars, and three described auxiliary support bars are connection corresponding to the middle part of described three mobile jib feets respectively.

3. portable teaching equipment according to claim 1, it is characterised in that: the bottom of three described mobile jib feets is respectively equipped with universal wheel, and described universal wheel is flexibly connected with described mobile jib feet.

4. portable teaching equipment according to claim 1, it is characterised in that: described projection screen mobile jib is provided with counterbalance weight, and described counterbalance weight is horizontally set on the center of top of described projection screen main body.

5. portable teaching equipment according to claim 1, it is characterized in that: the two side ends of described projection screen mobile jib is arranged with dwang clip slot respectively, the bottom being positioned at described projection screen mobile jib, the 2nd dwang is folded the both sides being accommodated in described projection screen mobile jib by a described couple first dwang and respectively by described dwang clip slot.