CN110260107A - A kind of mobile auxiliary teaching device and application method based on cloud computing - Google Patents

Abstract

The invention provides a mobile auxiliary teaching device based on cloud computing, which includes a support device, a clamping device, an adjustment device and a flat plate. A support rod is provided on the side far away from the support leg, and an adjustment rod is provided at the end of the support rod far away from the support leg. The end of the support rod far away from the support leg and the end of the adjustment rod are hinged to form an adjustment part. and the fixed rod, the other end of the adjusting rod is provided with a straight rod, and the straight rod is provided with a flat frame directly above the side facing the supporting feet, and the two sides of the flat frame are symmetrically provided with fixed rods, and the fixed rod is provided with a first spring to fix Both ends of the bar are connected with a cross bar, and a clamping plate is arranged on the cross bar. The invention forms an embedded structure through the anti-collision corner sleeves, so that the teaching is more intuitive and explained in detail, the understanding of the students is improved, the teaching is convenient, and the teaching pressure of the teacher is reduced.

Description

A mobile auxiliary teaching device based on cloud computing and its usage method

technical field

The invention relates to the technical field of auxiliary teaching, in particular to a mobile auxiliary teaching device based on cloud computing and a method for using it.

Background technique

With the research and development of cloud computing-aided teaching equipment, teachers' teaching and students' self-study can not be limited by time, space and place conditions, and knowledge acquisition channels are flexible and diverse. Require. Just as CN204444814U traditional teaching is very high to the physical strength of teacher. As a result, virtual network classroom teaching replaces traditional teaching. Virtual classroom teaching refers to a multimedia digital three-dimensional model that requires a computer or server with super computing power. Therefore, cloud computing-based auxiliary teaching equipment also emerges as the times require. The device described in KR20190039458, for example, has some limitations when holding a tablet computer. When using it, it needs to be held or leaned on the teaching platform. If it is used for a long time, it is easy to cause hand fatigue. When it is used on the teaching platform, it is easy to slip. cause damage to the tablet. The equipment described in SG20191101992R is the same, although it is efficient in clamping, there is still the problem of easy slipping. For this reason, a high-efficiency, not easy to fall off clamping device came into being.

Contents of the invention

Aiming at one of the deficiencies of the prior art, the present invention provides a mobile auxiliary teaching device based on cloud computing and its use method, so as to solve the problem that the tablet computer proposed in the above background technology needs to be used by hand for a long time, which is easy to cause hand fatigue. On the teaching desk, it is easy to slip and fall, causing damage to the tablet.

In order to overcome the deficiencies in the prior art, the present invention provides a mobile auxiliary teaching device based on cloud computing and its usage method. The technical scheme of the present invention is as follows:

A mobile auxiliary teaching device based on cloud computing, including a supporting device, a clamping device, an adjusting device and a flat panel, the supporting device includes a base, a supporting foot and a supporting rod, and the bottom end of the base is provided with a supporting foot, so The side of the base away from the supporting feet is provided with a supporting rod, and the end of the supporting rod far away from the supporting feet is provided with an adjusting rod, and the end of the supporting rod far away from the supporting feet and the end of the adjusting rod are connected to each other. Hinged to form an adjustment part, the clamping device includes a straight rod, a flat frame and a fixed rod, the other end of the adjustment rod is provided with a straight rod, and the straight rod is provided with a flat frame directly above the side facing the supporting foot , the two sides of the flat frame are symmetrically provided with fixed rods, the first spring is arranged in the fixed rod, the two ends of the fixed rod are connected with cross bars, and the cross bars are provided with clamping plates, and the flat plate The middle part of the frame is provided with an anti-slip block, the inside of the flat frame is equipped with a battery, the bottom of the flat frame is provided with a charging port, the flat frame can hold the flat plate, and the four corners of the flat plate are provided with buffer blocks, so The buffer block is connected with the second spring, and the anti-collision corner sleeve is connected with the second spring.

Optionally, notches are provided on the upper side and the left and right sides of the base, and the inner dimensions of the upper notches are the same as the outer dimensions of the support rods, and the inner dimensions of the notches on both sides are the same as the outer dimensions of the support feet , the supporting feet and the supporting rods are embedded with the base.

Optionally, one side of the adjusting part is provided with a rotary connecting piece.

Optionally, threaded holes are distributed in the axial direction of the straight rod, bolts are arranged on the adjusting rod, and the straight rod is fixedly connected with the bolts on the adjusting rod through the threaded holes.

Optionally, the straight rod is hinged to the flat frame through a hinge shaft to form a hinge, and one side of the hinge is provided with a rotary connector.

Optionally, the clamping plates include two sets of clamping plates, and lateral bars are fixedly connected to the sides of the clamping plates.

Optionally, the cross bar is inserted into the fixed bar through the first spring to form a telescopic structure, and the two sets of clamping plates are both configured as a telescopic structure.

Optionally, the buffer block is provided with a groove, and the inner dimension of the groove corresponds to the outer dimension of the anti-collision corner sleeve.

Optionally, the buffer block and the anti-collision corner sleeve are nested and connected to each other.

In addition, the present invention also provides a method for using a mobile auxiliary teaching device based on cloud computing, including the following steps:

S1: First, if the height is not suitable for the height required for teaching, you can adjust the height of the straight rod to reach a height suitable for teaching;

S2: If the tablet needs to be rotated to explain subjects more intuitively, the tablet frame hinged on the straight rod can be rotated, so that the tablet clamped on the tablet frame can be rotated;

S3: If the power of the tablet is too low during the teaching process, you can plug the data cable of the tablet into the charging port, and provide power for the tablet through the battery;

S4: After the teaching is over, the flat plate clamped on the flat frame can be removed by stretching the cross bar connected to the clamping plate;

S5: Shrink the straight rod 5 to the inside of the adjustment rod, and then pull out the support rod and the support feet from the base.

The beneficial effects obtained by the present invention are: the buffer block is provided with the anti-collision corner cover to form an embedded structure, so that when the teaching teacher uses the tablet for teaching, the impact force can be decomposed and the damage of the tablet can be effectively reduced. , to avoid unnecessary economic losses; the telescopic structure is formed by two sets of clamping plates and cross bars, so that the plate can be fixed on the support frame, and there is no need to hold it for a long time during teaching, which effectively relieves the pressure on the hands And prevent the tablet from slipping accidentally, prolonging the service life of the tablet; by setting the tablet stand with a battery and a charging port, the tablet can be charged in time when the battery is low during teaching, avoiding the situation that the tablet is low and cannot be used for teaching , thereby affecting the teaching progress; by setting the rotation design of the straight rod and the tablet frame, the teacher can rotate the tablet during teaching, so as to explain the subject content more intuitively and in detail, improve the students' comprehension rate, facilitate teaching, and reduce the burden on the teacher. teaching pressure.

Description of drawings

The present invention can be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts in the different views.

Fig. 1 is a front view of a mobile auxiliary teaching device based on cloud computing of the present invention.

Fig. 2 is a right view of a mobile auxiliary teaching device based on cloud computing of the present invention.

Fig. 3 is a structural schematic diagram of the tablet of a mobile auxiliary teaching device based on cloud computing according to the present invention.

Symbols in the figure: 1-base; 2-support feet; 3-support rod; 4-adjusting rod; 5-straight rod; 6-flat frame; 7, fixed rod; 8-first spring; - clamping plate; 11 - anti-skid block; 12 - storage battery; 13 - charging port; 14 - flat plate; 15 - buffer block; 16 - second spring; 17 - anti-collision corner sleeve.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with its embodiments; it should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention. invention. Other systems, methods and/or features of this embodiment will become apparent to those skilled in the art after reviewing the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the following claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the following detailed description.

In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or component must have a specific orientation, use a specific Orientation structure and operation, therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes, and should not be construed as limitations on this patent. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

Embodiment 1: A mobile auxiliary teaching device based on cloud computing, including a support device, a clamping device, an adjustment device and a flat panel 14, the support device includes a base 1, a support foot 2 and a support rod 3, and the base The bottom end of 1 is provided with a support foot 2, and the side of the base 1 away from the support foot 2 is provided with a support rod 3, and the end of the support rod 3 far away from the support foot 2 is provided with an adjustment rod 4. One end of the support rod 3 away from the support foot 2 and one end of the adjustment rod 4 are hinged to form an adjustment part, and the clamping device includes a straight rod 5, a flat frame 6 and a fixed rod 7, and the adjustment rod 4 The other end is provided with a straight bar 5, and the straight bar 5 is provided with a flat frame 6 directly above one side of the supporting foot 2, and both sides of the flat frame 6 are symmetrically provided with a fixed rod 7, and the fixed rod 7 The first spring 8 is arranged inside, and the two ends of the fixed rod 7 are connected with a cross bar 9, and the cross bar 9 is provided with a clamping plate 10, and the middle part of the flat frame 6 is provided with an anti-skid block 11, and the flat plate The inside of the frame 6 is equipped with a battery 12, the bottom of the flat frame 6 is provided with a charging port 13, the flat frame 6 can hold a flat panel 14, and the four corners of the flat panel 14 are provided with buffer blocks 15, the buffer block 15 is connected with the second spring 16, and the second spring 16 is connected with anti-collision corner sleeve 17. The upper side and the left and right sides of the base 1 are provided with notches, and the inner dimensions of the upper notches are the same as the outer dimensions of the support rod 3, and the inner dimensions of the notches on both sides are the same as the outer dimensions of the support feet 2, Both the supporting feet 2 and the supporting rods 3 and the base 1 are embedded connection structures. One side of the adjusting part is provided with a rotary connecting piece. Threaded holes are distributed in the axial direction of the straight rod 5 , bolts are arranged on the adjusting rod 4 , and the straight rod 5 is fixedly connected with the bolts on the adjusting rod 4 through the threaded holes. The straight rod 5 is hinged with the flat frame 6 through a hinge shaft to form a hinged part, and one side of the hinged part is provided with a rotary connector. The clamping plate 10 includes two sets of clamping plates 10 and the lateral bars 9 are fixedly connected to the sides of the clamping plates. The crossbar 9 is inserted into the fixed rod 7 through the first spring 8 to form a telescopic structure, and the two sets of clamping plates 10 are both configured as a telescopic structure. The buffer block 15 is provided with a groove, and the inner dimension of the groove corresponds to the outer dimension of the anti-collision corner sleeve 17 . The buffer block 15 and the anti-collision corner sleeve 17 are nested and connected to each other.

In addition, the present invention also provides a method for using a mobile auxiliary teaching device based on cloud computing, including the following steps:

S1: First, if the height is not suitable for the height required for teaching, you can adjust the height of the straight rod 5 to reach a height suitable for teaching;

S2: If the flat panel 14 needs to be rotated to explain subjects more intuitively, the flat frame 6 hinged on the straight rod 5 can be rotated, so that the flat panel 14 engaged on the flat frame 6 can be rotated;

S3: If the power of the tablet 14 is too low during the teaching process, you can plug the data cable of the tablet 14 into the charging port 13, and provide power for the tablet 14 through the battery 12;

S4: After the teaching is over, the flat plate 14 engaged on the flat frame 6 can be removed by stretching the cross bar 9 connected to the clamping plate 10;

S5: Shrink the straight rod 5 to the inside of the adjustment rod 4, and then pull out the support rod 3 and the support leg 2 from the base 1.

Embodiment 2: A mobile auxiliary teaching device based on cloud computing, including a support device, a clamping device, an adjustment device and a flat panel 14, the support device includes a base 1, a support foot 2 and a support rod 3, and the base 1 The bottom end of the base 1 is provided with a support foot 2, and the side of the base 1 away from the support foot 2 is provided with a support rod 3, and the end of the support rod 3 far away from the support foot 2 is provided with an adjustment rod 4, and the support One end of the rod 3 away from the supporting foot 2 and one end of the adjusting rod 4 are hinged to each other to form an adjusting part, and the clamping device includes a straight rod 5, a flat frame 6 and a fixed rod 7, and the other part of the adjusting rod 4 One end is provided with a straight rod 5, and the straight rod 5 is provided with a flat frame 6 directly above the side of the support foot 2, and the two sides of the flat frame 6 are symmetrically provided with a fixed rod 7, and inside the fixed rod 7 The first spring 8 is provided, the two ends of the fixed rod 7 are connected with a cross bar 9, and the cross bar 9 is provided with a clamping plate 10, the middle part of the flat frame 6 is provided with an anti-slip block 11, and the flat frame The inside of 6 is equipped with storage battery 12, and the bottom of described flat frame 6 is provided with charging port 13, and described flat frame 6 can clamp flat plate 14, and the four corners of described flat plate 14 are provided with buffer block 15, and described buffer block 15 The second spring 16 is connected, and the second spring 16 is connected with an anti-collision corner sleeve 17 . Specifically, during use, the user can rotate the adjustment rod 4 to meet the actual required angle, which is convenient for use. In addition, the clamping plate 10 is configured as a telescopic structure, so as to facilitate the operation of clamping devices of different sizes during the clamping process, and to make the clamping between the clamping plate and the device more convenient. stable and reliable. A charging port 13 is provided at the bottom of the flat frame 6 to facilitate the operation of charging the storage battery, to ensure that the storage battery can continuously supply power to the equipment, and to realize efficient operation of the equipment. The corners of the flat panel 14 are provided with anti-collision corner sleeves 17, which can ensure that the flat panel 14 can achieve the anti-collision effect. Fall off and cause the damage of described plate 14.

The upper side and the left and right sides of the base 1 are provided with notches, and the inner dimensions of the upper notches are the same as the outer dimensions of the support rod 3, and the inner dimensions of the notches on both sides are the same as the outer dimensions of the support feet 2, Both the supporting feet 2 and the supporting rods 3 and the base 1 are embedded connection structures. Specifically, the notches provided in the base 1 can make the support feet 2 and the support rods 3 tightly fit together, and the support feet 2 protrude toward one place, and bear the whole The weight of the device. During use, the supporting feet 2 can support, prevent the entire device from falling down, and protect the entire device from being erected reliably and stably. At the same time, the sizes of the notches of the supporting feet 2 on both sides are the same, so as to ensure that the supporting feet 2 can be installed smoothly and conveniently during installation. in addition. An upper notch is provided directly above the base 1, and the inner size of the upper notch is the same as that of the outer side of the support rod 3, so as to ensure that the support rod 3 and the base 1 are reliable and They are tightly and fixedly connected together, especially, the base 1 and the support rod 3 in this embodiment are detachably connected.

One side of the adjusting part is provided with a rotary connecting piece. Specifically, the adjustment part is provided with an adjustment knob, and the forward and reverse rotation of the adjustment knob can realize the operation of tightness. During the forward rotation, the adjustment part makes the support rod 3 and the adjustment The degree of tightness between the rods 4 enables the support rod 3 and the adjustment rod 4 to protrude at a certain angle relative to each other, and to adjust to the most suitable state. In addition, the support rod 3 and the adjustment rod 4 are hingedly connected together, and at the same time, the support rod 3 and the adjustment rod 4 are vertically provided with a through hole, and an adjustment button is arranged in the through hole . Specifically, the support rod 3 is provided with grooves. The adjustment rod 4 is provided with a protrusion, and the adjustment rod 4 and the support rod 3 are engaged with each other correspondingly, and the joint positions are hinged together by the adjustment knob.

Threaded holes are distributed in the axial direction of the straight rod 5 , bolts are arranged on the adjusting rod 4 , and the straight rod 5 is fixedly connected with the bolts on the adjusting rod 4 through the threaded holes. The straight rod 5 is hinged with the flat frame 6 through a hinge shaft to form a hinged part, and one side of the hinged part is provided with a rotary connector. Specifically, the hinged part and the bolt form an adjustment device, and the adjustment device can realize the free turning of the flat panel 6. In addition, the threaded hole also enables the shelf of the flat rack 6 to be more smoothly connected with the flat panel. The straight rod 5 is detachably connected. At the same time, the position between the straight bar 5 and the adjusting bar 4 can make the straight bar 5 form a whole together with the flat frame 6 and adjust the angle with the adjusting bar 4 to ensure that the straight bar 5 Different display angles can be formed with the flat shelf 6 .

The clamping plate 10 includes two groups of clamping plates 10 and the lateral bars 9 are fixedly connected to the sides of the clamping plates 10 . The crossbar 9 is inserted into the fixed rod 7 through the first spring 8 to form a telescopic structure, and the two sets of clamping plates 10 are both configured as a telescopic structure. Specifically, the clamping plate includes two sets of clamping plates 10 on the left and right sides, and the cross bar 9 is provided on both sides of the clamping plate 10, and the cross bar 9 is telescopically connected with the flat frame 6. During use, the cross bar 9 can be clamped adaptively according to the size of the flat plate 14 to ensure reliable clamping of the flat plate.

The buffer block 15 is provided with a groove, and the inner dimension of the groove corresponds to the outer dimension of the anti-collision corner sleeve 17 . The buffer block 15 and the anti-collision corner sleeve 17 are nested and connected to each other. Specifically, the buffer block 15 and the anti-collision corner sleeve 17 are an embedded connection structure, and the flat plate 14 protected by the anti-collision corner sleeve 17 can effectively prevent the flat plate 14 from being damaged during use. The damage caused to the flat panel 14 when it slips increases the service life of the flat panel 14 .

In addition, the present invention also provides a method for using a mobile auxiliary teaching device based on cloud computing, including the following steps:

S1: First, if the height is not suitable for the height required for teaching, you can adjust the height of the straight rod 5 to reach a height suitable for teaching;

S2: If the flat panel 14 needs to be rotated to explain subjects more intuitively, the flat frame 6 hinged on the straight rod 5 can be rotated, so that the flat panel 14 engaged on the flat frame 6 can be rotated;

S3: If the power of the tablet 14 is too low during the teaching process, you can plug the data cable of the tablet 14 into the charging port 13, and provide power for the tablet 14 through the battery 12;

S4: After the teaching is over, the flat plate 14 engaged on the flat frame 6 can be removed by stretching the cross bar 9 connected to the clamping plate 10;

S5: Shrink the straight rod 5 to the inside of the adjustment rod 4, and then pull out the support rod 3 and the support leg 2 from the base 1. Specifically, the deformed structure of the control device is achieved by adjusting the knobs of the hinged part and the adjusting part, and after reaching a suitable posture, the knobs of the hinged part and the adjusting part are tightened to realize the fixing effect. After the posture of the device is to be adjusted, the knobs of the hinged part and the adjusting part need to be loosened and adjusted immediately. When it is not needed to be used, a similar method is adopted to achieve the effect of folding and placing. In addition, the entire auxiliary teaching tablet support can be folded and placed under adjustment, ensuring the smallest occupied space.

Embodiment 3: On the basis of Embodiment 2, this embodiment provides a mobile auxiliary teaching device based on cloud computing. Several clamping plates 10 are respectively arranged around the flat panel 14, each of which is The clamping plates 10 are arranged at equal intervals, and in particular, the positions of each of the clamping plates 10 can be adjusted. Specifically, the position where each clamping plate 10 is connected to the flat plate 14 is provided with a sliding groove, each of the clamping plates 10 can slide on the sliding groove, thereby adapting to the flat plates of different sizes, so that The flat plate 14 can be stably viewed and clamped reliably. In addition, each of the clamping plates 10 is further provided with a locking button, and the locking button can enable each of the clamping plates 10 to be tightly clamped with the flat plate 14 .

To sum up, the cloud computing-based mobile auxiliary teaching device and method of use of the present invention are equipped with buffer blocks and anti-collision corner sleeves to form an embedded structure, so that the teaching teacher will not accidentally slip when using the tablet for teaching. When the impact force can be decomposed, the damage of the plate can be effectively reduced, and unnecessary economic losses can be avoided; the telescopic structure is composed of two sets of clamping plates and cross bars, so that the plate can be fixed on the support frame, and there is no need for teaching When holding the tablet for a long time, it effectively relieves the hand pressure and prevents the tablet from slipping accidentally, increasing the service life of the tablet; by setting the tablet stand with a battery and a charging port, when the tablet is in low power during teaching, it can Charge in time to avoid the situation that the battery of the tablet is low and teaching cannot be carried out, which will affect the teaching progress; by setting the rotation design of the straight rod and the tablet frame, the teacher can rotate the tablet during teaching, so as to carry out the subject content more intuitively and in detail It can improve students' comprehension rate, facilitate teaching, and reduce the teaching pressure of teachers.

While the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That said, the methods, systems and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different from that described, and/or various components may be added, omitted, and/or combined. Furthermore, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Furthermore, elements therein may be updated as technology develops, ie, many of the elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of example configurations including implementations. However, configurations may be practiced without these specific details. For example, well-known circuits, procedures, algorithms, structures and techniques have been shown without unnecessary detail in order to avoid obscuring the configuration. This description provides example configurations only, and does not limit the scope, applicability, or configurations of the claims. Rather, the preceding description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

In summary, it is intended that the above detailed description be regarded as illustrative rather than restrictive, and it should be understood that the above embodiments should be understood as only for illustrating the present invention but not for limiting the protection scope of the present invention. After reading the contents of the present invention, skilled persons can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims (10)

1. a kind of mobile auxiliary teaching device based on cloud computing, including support device, clamping device, regulating device and plate (14), which is characterized in that the support device includes pedestal (1), support leg (2) and support rod (3), the bottom of the pedestal (1) End is equipped with support leg (2), and the pedestal (1) is equipped with support rod (3) far from the side of the support leg (2), the support rod (3) One end far from the support leg (2) is equipped with adjusting rod (4), the support rod (3) one end and institute far from the support leg (2) The one end for stating adjusting rod (4) is hinged to form adjustment portion, and the clamping device includes straight-bar (5), pallet (6) and fixed link (7), the other end of the adjusting rod (4) is equipped with straight-bar (5), surface of the straight-bar (5) towards the support leg (2) side Equipped with pallet (6), the two sides of the pallet (6) are symmetrically arranged with fixed link (7), and the first bullet is equipped in the fixed link (7) The both ends of spring (8), the fixed link (7) are connected with cross bar (9), and cross bar (9) is equipped with grip block (10), the pallet (6) middle part is equipped with non-slipping block (11), and the inside of the pallet (6) is equipped with battery (12), the bottom of the pallet (6) Portion is equipped with charging port (13), and the pallet (6) is capable of clamping plate (14), and the quadrangle of the plate (14) is equipped with buffer stopper (15), the buffer stopper (15) connects second spring (16), is connected with collision avoidance angle set (17) on the second spring (16).

2. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that The upside and the left and right sides of the pedestal (1) are provided with notch, and the outside of the inside dimensions of upside notch and support rod (3) Size is identical, and the inside dimensions of two sides notch are identical as the side dimension of support leg (2), the support leg (2) and support rod (3) It is embedded connecting structure with pedestal (1).

3. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that The side of the adjustment portion is equipped with rotary type connector.

4. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that Threaded hole is distributed in the axial direction of the straight-bar (5), and bolt is provided on the adjusting rod (4), and the straight-bar (5) passes through the spiral shell Pit is mutually permanently connected with the bolt on adjusting rod (4).

5. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that The straight-bar (5) is hinged to form articulated section by articulated shaft and pallet (6), and the side of the articulated section connects equipped with rotary type Fitting.

6. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that The grip block (10) is fixedly connected to cross bar (9) including the side of two groups of grip blocks (10) and the grip block.

7. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that The cross bar (9) is plugged in fixed link (7) by the first spring (8) and forms stretching structure, and grip block described in two groups (10) is equal It is set as stretching structure.

8. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that It is arranged fluted on the buffer stopper (15), and the inside dimensions of groove are corresponding with the side dimension of collision avoidance angle set (17).

9. a kind of mobile auxiliary teaching device based on cloud computing as described in one of preceding claims, which is characterized in that Buffer stopper (15) connection mutually nested with collision avoidance angle set (17).

10. a kind of mobile auxiliary teaching device of as described in one of preceding claims 1-9 of application based on cloud computing and making With method, which comprises the following steps:

S1: first if height is not suitable for teaching desired height, the height of adjustable straight-bar (5) reaches and teaching is suitble to use Height；

S2: such as needing pivotal plate (14), when carrying out more intuitive explanation subject, can rotate and be hinged on straight-bar (5) Pallet (6), from rotating the plate being fastened on pallet 6 14；

S3: if in teaching process, there is the case where low battery in plate (14), the data line of plate 14 can be inserted to and be filled Electric port (13) is that plate (14) provide power supply by battery (12)；

S4: after teaching, it can be connected to the cross bar (9) of grip block (10) by stretching, will be fastened on pallet (6) Plate (14) is taken off；

S5: straight-bar 5 is retracted to the inside of adjusting rod (4), then support rod (3) and support leg (2) are extracted from pedestal (1).