CN209947108U - Geography teaching display device - Google Patents

Abstract

The utility model provides a geography teaching display device, belonging to the technical field of teaching aids, which comprises a support frame, a support cross arm, a suspension arm, a camera, a projector and a hook; the hook is arranged at the top of the supporting frame, the supporting cross arm is arranged on the supporting frame in a sliding mode through the translation device, the suspension arm is arranged on the supporting cross arm in a sliding mode through the vertical movement device, the camera is arranged at the suspension end of the suspension arm, and the camera is connected with the projector. When using, the teacher can hang the map and establish on the couple, translation device can make the camera move on the support frame with erecting the device that moves, the teacher can be according to the teaching demand, move the camera to the position of required explanation on, and enlarge and project the part of teacher's explanation to blackboard or curtain through the projecting apparatus, make the student can combine the better content of understanding the teacher's teaching of teacher's explanation according to the picture that demonstrates on blackboard or the curtain, thereby make the teacher light more in the process of teaching and the process that the student learnt.

Description

A geography teaching display device

technical field

The utility model relates to the technical field of teaching aids, in particular to a geography teaching display device.

Background technique

Geography is a major subject in the field of education, and many geography teaching tools are often involved in teaching, such as contour lines, topographic features, maps and so on.

In geography teaching, teachers usually need to show students various teaching models or geography drawings during the teaching process. The traditional teaching method is that teachers hang geography drawings directly on the blackboard, which makes geography teaching very difficult. It is inconvenient, and because of light or angle, it makes students struggle to observe models or geographic drawings, which seriously affects the efficiency of teaching. Therefore, it is a technical problem to be solved urgently by those skilled in the art to provide a display device that is convenient for use in geography teaching.

Utility model content

The utility model provides a geography teaching display device, which aims to improve the technical problem in the prior art that the way of geography teaching is inconvenient for students to observe the maps and other objects displayed by the teacher, and makes students feel more difficult in learning.

The utility model is realized in this way:

A geography teaching display device, comprising a support frame, a support arm, a boom, a camera, a projector and a hook for hanging a map;

The hook is arranged on the top of the support frame, the support arm is arranged on the support frame by sliding in the horizontal direction through the translation device, and the hanging arm is arranged on the support frame by sliding in the vertical direction through the vertical movement device. On the support arm, the camera is arranged on the suspension end of the suspension arm, and the camera is connected with the projector through a data line.

In order to better realize the present invention, further optimization is made in the above structure, the translation device includes a translation motor arranged on the support frame and a first gear rack arranged along the length direction of the support arm, The power output end of the translation motor is provided with a first gear matched with the first rack, and the support transverse arm is slidably arranged on the support frame through the cooperation of the first gear and the first rack.

In order to better realize the present utility model, the above structure is further optimized. The vertical movement device includes a vertical movement motor arranged on the support cross arm and a second tooth arranged along the length direction of the suspension arm. The power output end of the vertical movement motor is provided with a second gear matched with the second rack, and the suspension arm is slidably arranged on the support frame through the cooperation of the second gear and the second rack.

In order to better realize the present utility model, the above structure is further optimized, and the geography teaching display device further includes a controller for controlling the stop and/or rotation and rotation direction of the translation motor and the vertical motor.

In order to better realize the present invention, the above structure is further optimized, and the translation motor and the vertical movement motor are both stepper motors.

In order to better realize the present utility model, the above structure is further optimized. The support frame is provided with a first card slot, and the support cross arm is provided with a first card slot matching the first card slot. A protruding part, the supporting cross arm is slidably arranged on the supporting frame through the cooperation of the first protruding part and the first clamping groove.

In order to better realize the present utility model, further optimization is made in the above structure, the support cross arm is provided with a second clamping slot, and the suspension arm is provided with a second clamping slot matching the second clamping slot. A convex part, the supporting transverse arm is slidably arranged on the supporting frame through the cooperation of the second convex block and the second clamping groove.

In order to better realize the present invention, the above structure is further optimized, and the cross-sectional shapes of the first card slot and the second card slot are both "convex" shape.

In order to better realize the present invention, the above structure is further optimized, the support frame includes a support and a top rod, and the top rod is arranged on the support.

In order to better realize the present invention, the above structure is further optimized, and the bottom of the support is provided with rollers that facilitate the movement of the support frame.

To sum up, a geography teaching display device provided by the present utility model has the following technical effects:

When the geography teaching display stand is in use, the teacher can hang the map on the hook, the translation device and the vertical moving device can make the camera move on the support frame, and the teacher can move the camera to the position where he needs to explain according to the teaching needs. , and the part of the teacher's explanation will be enlarged and projected on the blackboard or curtain through the projector, so that the students can better understand the content of the teacher's teaching according to the picture displayed on the blackboard or the curtain and the teacher's explanation, so that the teacher can better understand the content of the teacher's teaching. The process and the process of student learning are easier.

In addition, the optimization scheme of the present utility model also has the following technical effects:

(1) The optimized scheme of the present utility model is that the support frame is provided with a translation motor and the support cross arm is provided with a first rack. Through the cooperation of the first gear on the translation motor and the first rack, the support cross arm can be The horizontal movement is realized by the rotation of the translation motor, so that the left and right movement of the camera is more convenient.

(2) The optimization scheme of the present utility model is that a vertical movement motor is arranged on the support frame and a second rack is arranged on the suspension arm. The vertical movement is realized by the rotation of the vertical movement motor, so that the up and down movement of the camera is more convenient.

(3) The optimized scheme of the present invention is that the support cross arm and the support frame are slidably matched through the first card slot and the first convex portion, and the support cross arm and the suspension arm are slidably matched through the second card groove and the second convex portion, so that the support The connection between the cross arm and the support frame and the boom and the support cross arm are more stable, which prevents the camera from falling from the support frame and causing personal injury or damage to the camera.

(4) The optimized solution of the present invention is that the bottom of the support is provided with a roller, which makes the geography teaching display device more convenient when moving.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of geography teaching display device of the present invention;

Fig. 2 is a partial enlarged view of part A in Fig. 1;

3 is a schematic structural diagram of a support frame in a geography teaching display device of the present invention;

4 is a schematic structural diagram of a support cross arm in a geography teaching display device of the present invention;

5 is a schematic structural diagram of a boom in a geography teaching display device of the present invention.

The marks in the figure are:

1. Supporting frame; 11. Support; 12. Ejector rod; 2. Supporting arm; 3. Boom; 4. Camera; 5. Projector; 6. Hook; 71. Translation motor; 72. First rack ; 73, the first gear; 81, the vertical motor; 82, the second rack; 83, the second gear; 9, the first slot; 10, the first convex part; 110, the second slot; 120, the first Two convex parts; 131, the first top rod; 132, the second top rod; 133, the hinge.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying 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 element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

Embodiment 1, with reference to Figures 1 to 5,

A geography teaching display device, characterized in that it comprises a support frame 1, a support arm 2, a boom 3, a camera 4, a projector 5 and a hook 6 for hanging a map;

The hook 6 is arranged on the top of the support frame 1, the support arm 2 is arranged on the support frame 1 by sliding in the horizontal direction through a translation device, and the suspension arm 3 is arranged in a vertical direction through a vertical movement device. The camera 4 is slidably arranged on the support arm 2 , the camera 4 is arranged on the suspension end of the suspension arm 3 , and the camera 4 is connected with the projector 5 .

Through the geography teaching display device with the above structure, when in use, the teacher can hang the map on the hook 6, the translation device and the vertical movement device can make the camera 4 move on the support frame 1, and the teacher can move the map according to the teaching needs. The camera 4 is moved to the position where the explanation needs to be made, and the part explained by the teacher is enlarged and projected onto the blackboard or curtain through the projector 5, so that the students can better understand the teacher according to the pictures displayed on the blackboard or the curtain and the teacher's explanation. The content of the teaching makes it easier for teachers to teach and students to learn.

Further, the above-mentioned translation device includes a translation motor 71, a first gear 73 and a first rack 72; wherein,

The translation motor 71 is arranged on the support frame 1, and the first gear 73 is arranged at the power output end of the translation motor 71, so that when the translation motor 71 rotates, the translation motor 71 can drive the first gear 73 to rotate; the first rack 72 is arranged at the On the support cross arm 2 , and the length direction of the first rack 72 is parallel to the length direction of the support cross arm 2 , the support cross arm 2 is slidably arranged on the support frame 1 through the engagement of the first gear 73 and the first rack 72 .

Further, the above-mentioned vertical moving device includes a vertical moving motor 81, a second gear 83 and a second rack 82; wherein,

The vertical movement motor 81 is arranged on the support cross arm 2, and the second gear 83 is arranged at the power output end of the vertical movement motor 81, so that when the vertical movement motor 81 rotates, the vertical movement motor 81 can drive the second gear 83 to rotate; The rack 82 is arranged on the boom 3, and the length direction of the second rack 82 is parallel to the length direction of the boom 3. The boom 3 is slidably arranged on the support cross arm through the meshing of the second gear 83 and the second rack 82. 2 up; during the operation, the teacher can realize the left and right movement of the camera 4 by controlling the rotation direction of the translation motor 71, and realize the up and down movement of the camera 4 by controlling the rotation direction of the vertical movement motor 81; 4 can be illuminated on the map according to the needs of the teacher's explanation, and the position illuminated by the camera 4 can be projected onto the screen or blackboard through the projector 5, so as to facilitate the observation of students.

Further, the geography teaching display device also includes a controller, and the above-mentioned translation motor 71 and vertical movement motor 81 are both electrically connected to the controller, and the rotation/stop of the translation motor 71 and the vertical movement motor 81 can be controlled by the controller. The direction of rotation can realize the movement of the camera 4 up, down, left and right, which makes it more convenient for teachers to operate the geography teaching display device.

It should be noted that the controller is a commonly used electronic control device in the prior art, that is, the electronic control device capable of controlling the rotation/stop and rotation direction of the motor is suitable for the geography teaching display device of the present invention.

Further, the above-mentioned translation motor 71 and vertical movement motor 81 are both stepping motors; wherein,

Stepper motor is an open-loop control motor that converts electrical pulse signals into angular displacement or linear displacement. It is the main executive element in modern digital program control systems and is widely used. In the case of non-overload, the speed and stop position of the motor only depend on the frequency and number of pulses of the pulse signal, and are not affected by the load change. When the stepper driver receives a pulse signal, it drives the stepper motor to press The set direction is rotated by a fixed angle, called "step angle", and its rotation is performed step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses, so as to achieve the purpose of accurate positioning; at the same time, the speed and acceleration of the motor rotation can be controlled by controlling the pulse frequency, so as to achieve the purpose of speed regulation.

Embodiment 2 Referring to Figures 1 to 5,

The implementation principle and the technical effect of the device provided by the embodiment of the present utility model are the same as those in Embodiment 1. For a brief description, for the parts not mentioned in this embodiment, reference may be made to the corresponding content in Embodiment 1.

The device obtained through the above design can basically meet the use of the geography teaching display device, but in order to further improve its function, the designer has further improved the device.

The above-mentioned support frame 1 is provided with a first slot 9, the above-mentioned support arm 2 is provided with a first convex portion 10, and the cross-sectional shape of the first convex portion 10 matches the cross-sectional shape of the first locking slot 9, and The length direction of the first convex portion 10 is parallel to the length direction of the support cross arm 2; when installing the geography teaching display device, the support cross arm 2 can be clamped in the first slot 9 through the first convex portion 10, thereby To avoid the situation that the support arm 2 falls from the support frame 1, the support arm 2 can move along the length direction of the first convex portion 10 under the drive of the translation motor 71, so as to realize the camera 4 of the horizontal movement, and will not fall off the support frame 1.

Further, the above-mentioned support cross arm 2 is provided with a second slot 110 , the above-mentioned suspension arm 3 is provided with a second convex portion 120 , and the cross-sectional shape of the second latching slot 110 is the same as the cross-sectional shape of the second convex portion 120 . Matching, and the length direction of the second convex portion 120 is parallel to the length direction of the boom 3; the boom 3 is clamped in the first slot 9 through the first convex portion 10, which can effectively prevent the boom 3 from supporting horizontally. The situation of shaking on the arm 2 occurs, thereby improving the safety of the geography teaching display device.

Further, the cross-sectional shapes of the above-mentioned first card slot 9 and second card slot 110 are both "convex"-shaped, and the cross-sectional shapes of the first convex portion 10 and the second convex portion 120 are also "convex"-shaped; the The structure makes the connection between the support frame 1 and the support cross arm 2 and the connection between the support cross arm 2 and the boom 3 more stable.

Further, the above-mentioned support frame 1 includes a support 11 and a top rod 12, the top rod 12 is vertically arranged on the support 11, the above-mentioned hook 6 and the supporting arm 2 are all arranged on the free end of the top rod 12, and the hook The setting of 6 enables the map hung on the geography teaching display device to be fully unfolded, so that the camera 4 can be irradiated on any position that the teacher needs to explain, so as to facilitate the observation of the students.

Further, the above-mentioned ejector bar 12 includes a first ejector bar 131 and a second ejector bar 132, wherein,

The first top rod 131 is arranged on the support 11, and the second top rod 132 is connected with the first top rod 131 through the hinge piece 2, so that the second top rod 132 can rotate around the hinge piece 2 to be in contact with the first top rod 131. In the closed position, the arrangement of the structure can effectively reduce the space occupied by the geography teaching display device, thereby making the storage of the geography teaching display device more convenient.

Further, the bottom of the support 11 is provided with a roller that facilitates the movement of the geographic teaching display device, and the setting of the roller makes it more convenient for teachers to adjust the position of the geographic teaching display device.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A geography teaching display device, characterized in that it comprises a support frame (1), a support arm (2), a boom (3), a camera (4), a projector (5) and a hook for hanging a map (6); The hook (6) is arranged on the top of the support frame (1), the support arm (2) is slidably arranged on the support frame (1) in the horizontal direction through a translation device, and the suspension arm ( 3) is arranged on the support cross arm (2) by sliding along the vertical direction through the vertical movement device, the camera head (4) is arranged at the hanging end of the suspension arm (3), and the camera head (4) ) is connected with the projector (5) through a data cable. 2. The geography teaching display device according to claim 1, wherein the translation device comprises a translation motor (71) arranged on the support frame (1) and a translation motor (71) along the support arm (2) A first rack (72) arranged in the longitudinal direction, a first gear (73) matching with the first rack (72) is arranged at the power output end of the translation motor (71), and the support cross arm ( 2) The first gear (73) and the first rack (72) are slidably arranged on the support frame (1). 3 . The geography teaching display device according to claim 2 , wherein the vertical moving device comprises a vertical moving motor ( 81 ) arranged on the supporting cross arm ( 2 ), and a vertical moving motor ( 81 ) arranged on the support arm ( 2 ) and a vertical movement motor ( 81 ) arranged on the support arm ( 3 ). 4 . A second rack (82) arranged in the length direction of the The arm (3) is slidably arranged on the support frame (1) through the cooperation of the second gear (83) and the second rack (82). 4 . The geography teaching display device according to claim 3 , further comprising a controller for controlling the stop and/or rotation and rotation direction of the translation motor ( 71 ) and the vertical movement motor ( 81 ). 5 . 5 . The geography teaching display device according to claim 4 , wherein the translation motor ( 71 ) and the vertical movement motor ( 81 ) are both stepping motors. 6 . 6. The geography teaching display device according to any one of claims 1 to 5, wherein the support frame (1) is provided with a first card slot (9), and the support arm (2) There is a first convex part (10) matching with the first card slot (9), and the support cross arm (2) is matched with the first card groove (9) through the first convex part (10) It is slidably arranged on the support frame (1). 7 . The geography teaching display device according to claim 6 , wherein a second card slot ( 110 ) is provided on the support arm ( 2 ), and a The second convex portion (120) matched with the second clamping groove (110), the support cross arm (2) is slidably arranged on the supporting frame (1) through the cooperation of the second convex block and the second clamping groove (110). )superior. 8 . The geography teaching display device according to claim 7 , wherein the cross-sectional shapes of the first card slot ( 9 ) and the second card slot ( 110 ) are both “convex” shape. 9 . 9. The geography teaching display device according to claim 8, wherein the support frame (1) comprises a support (11) and a top rod (12), and the top rod (12) is arranged on the support on seat (11). 10 . The geography teaching display device according to claim 9 , characterized in that, the bottom of the support ( 11 ) is provided with rollers that facilitate the movement of the support frame ( 1 ). 11 .

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