Fixing frame convenient to adjust height for music appreciation
By designing a music player fixing frame including plywood, protective box, limit board and hollow box cover, the problem of easy tilt of the existing fixing frame is solved, and the stable fixing and protection of the music player is achieved, and the sound quality and music appreciation teaching effect is improved.
Patent Information
- Application Number
- CN202510076095.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-05-16
AI Technical Summary
The existing music player fixture is easily dumped and dropped due to the high center of gravity of the music player, causing damage to the internal electronic components of the music player, reducing the sound quality and affecting the teaching effect of music appreciation.
A fixing frame including a base plate, a moving wheel, an electric push rod, a telescopic rod, a working plate, a blackboard, a ply, a driving member, a threaded rod, a fixing plate, a moving plate, a mounting plate, a gear, a rotating shaft and a rotating rod are designed. The left and right, upper and lower parts of the music player are fixed and protected by the clamp moving towards each other, the protective box moving forward, the limiting plate moving downward and the hollow box cover turning, so as to achieve left and right, upper and lower parts of the music player.
Effectively prevent the music player from falling over due to external forces, protect internal electronic components, improve sound quality, and enhance support for music appreciation teaching.
Smart Images
Figure CN120000017A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of a music appreciation fixing frame, in particular to a music appreciation fixing frame with convenient height adjustment. Background Art
[0002] With the continuous development of social economy and the continuous improvement of people's living standards, in recent years, in the process of children's learning, many parents hope that their children can learn more art knowledge and skills in their spare time to improve their children's artistic sentiment and personal accomplishment. For example, many parents will send their children to learn music knowledge, especially for girls, music learning can greatly improve their personal quality. It is well known that the basis of music learning is the learning of five-line notation. Now many music learning classes are concentrated in a relatively small space for teaching. For example, a music teacher may teach in a teaching venue of more than 20 square meters. Generally, there will be a blackboard in the front of the teaching venue for teaching five-line notation knowledge. In addition, in the process of music learning, a music player is also needed to play the relevant knowledge of music appreciation. In the current teaching venue, the blackboard and the music player are independent, and the placement of the music player can affect the quality of music appreciation, so a fixed stand is needed. The existing fixed frame is generally a workbench. The music player is placed on the workbench for music appreciation, which makes the center of gravity of the music player higher. When it is subjected to external force, it is very easy to fall down, which makes it inconvenient to protect the music player. The music player has electronic components inside. The falling of the music player will damage the internal components, reduce the sound quality of the music player, and thus affect the effect of music appreciation teaching; Based on this, the present invention provides a fixing stand for music appreciation with easy height adjustment to solve the problems raised in the above background technology. Summary of the invention
[0003] In view of the above problems, the present invention provides a fixing stand for music appreciation which is easy to adjust in height, so as to solve the problem that the existing music player has a high center of gravity and is very easy to tip over and fall when subjected to external force, making it inconvenient to protect the music player. The music player contains electronic components, and toppling over of the music player will damage the internal components, thereby reducing the sound quality of the music player and affecting the effect of music appreciation teaching.
[0004] The technical solution of the present invention is: a fixed frame for music appreciation that is easy to adjust in height, comprising a bottom plate, moving wheels, an electric push rod, a telescopic rod, a working plate, and a blackboard; Four movable wheels are respectively arranged to rotate under the bottom plate, the first end of the electric push rod and the first ends of the three telescopic rods are respectively connected to the bottom plate, and the second end of the electric push rod and the second ends of the three telescopic rods are connected to the same working plate; The front end of the working board is vertically connected to the top of the blackboard; The working board is provided with a first fixing mechanism for fixing the music player on the left and right sides; A protection mechanism for protecting the music player is provided at the rear side of the first fixing mechanism, and the protection mechanism is driven by the first fixing mechanism; The protection mechanism is provided with a second fixing mechanism for fixing the music player up and down, and the second fixing mechanism is driven by the protection mechanism; A closing mechanism for closing the protection is arranged at the front side of the protection mechanism, and the closing mechanism is driven by a second fixing mechanism.
[0005] Further, the first fixing mechanism includes a clamping plate, a driving member, a threaded rod, a first fixing plate, a first moving plate, a first mounting plate, a second mounting plate, a sector gear, a first rotating shaft, a first rotating rod, a sliding column, a lever, and a T-shaped rod; Two first mounting plates are respectively connected under the working plate between the electric push rod and the three telescopic rods, a second mounting plate is provided between the two first mounting plates, a first movable plate is slidably provided on the front side of the second mounting plate, a first fixed plate is provided on the second mounting plate below the first movable plate, a threaded rod is penetrated by the internal thread of the first movable plate, a first end of the threaded rod is rotatably connected to the working plate, and a second end of the threaded rod is rotatably penetrated by the first fixed plate and connected to a driving member; First racks are provided on both sides of the first movable plate, the outer side of the first rack is meshedly connected with a sector gear, a first rotating shaft runs through the sector gear, a first end of the first rotating shaft is rotatably connected to the second mounting plate, a second end of the first rotating shaft is vertically connected to a first end of a first rotating rod, and a second end of the first rotating rod is vertically connected to a sliding column; The working plate is respectively provided with two through first through slots, a T-shaped rod vertical rod slidingly penetrates in the first through slot, a clamping plate is provided on the T-shaped rod vertical rod, the T-shaped rod cross bar is slidably connected to the bottom wall of the working plate, one end of a lever is connected under the T-shaped rod cross bar, a through second through slot is provided in the lever, and the sliding column is slidably connected and arranged in the second through slot; The first movable plate works by moving the driving protection mechanism.
[0006] Further, the protection mechanism includes a protection box, a first gear, a second rotating shaft, a second rotating rod, a third rotating rod, a third rotating shaft, and a first moving rod; A protective box is slidably provided on the working plate at the rear side of the two clamping plates, a third through slot is provided at the rear end of the working plate, a first moving rod is slidably penetrated in the third through slot, and a first end of the first moving rod is vertically connected to the bottom of the rear wall of the protective box; A fourth through slot is provided on the second end of the first moving rod, a third rotating shaft is provided in the fourth through slot, and two ends of the third rotating shaft are rotatably connected to the inner wall of the fourth through slot respectively; A second rack is provided at the rear side of the first movable plate above the second mounting plate, a first gear meshing with the second rack is provided at the rear side, a second rotating shaft runs through the first gear, two ends of the second rotating shaft are respectively rotatably connected with the first mounting plate, a first end of a second rotating rod is sleeved on the second rotating shaft at one side of the first gear, a first end of a third rotating rod is rotatably connected to the second end of the second rotating rod, and the second end of the third rotating rod is sleeved on the third rotating shaft; The third rotating shaft drives the second fixing mechanism to work by rotating.
[0007] Further, the second fixing mechanism includes a limit plate, a second gear, a second moving rod, a second fixing plate, a first L-shaped rod, a second moving plate, and a third moving rod; A second gear is sleeved on the third rotating shaft at one side of the second end of the third rotating rod; A second fixed plate is provided at the rear side of the protection box, a second moving rod is slidably penetrated in the second fixed plate, a third rack is provided at the inner side of the first end of the second moving rod, and the third rack is meshed and connected with the second gear; The second end of the second moving rod is vertically connected to the end of the vertical rod of the first L-shaped rod, the end of the horizontal rod of the first L-shaped rod is connected to the second moving plate, the first end of the third moving rod is connected below the second moving plate, and the second end of the third moving rod slides through the top wall of the protection box and is vertically connected to the limiting plate; The second movable plate drives the closing mechanism to work by moving.
[0008] Further, the closing mechanism includes a hollow box cover, a fourth rotating shaft, a second L-shaped rod, a third fixing plate, a third gear, a fourth fixing plate, and a fifth rotating shaft; The second movable plate is provided with a through inclined slide groove; A fifth rotating shaft is provided on the upper front side of the protection box, fourth fixing plates are provided on both sides of the protection box outside the two ends of the fifth rotating shaft, the two ends of the fifth rotating shaft are respectively rotatably connected with the fourth fixing plate, one end of a hollow box cover is sleeved on the fifth rotating shaft, a third gear is sleeved on the fourth fixing plate that rotates and passes through one end of the fifth rotating shaft, a third fixing plate is vertically connected to the protection box on the rear side of the third gear, a second L-shaped rod vertical rod slides through the third fixing plate, a fourth rack is provided under the second L-shaped rod vertical rod close to the third gear, and the fourth rack is meshed and connected with the third gear; The second L-shaped crossbar is vertically connected to the first end of the fourth rotating shaft, and the second end of the fourth rotating shaft is slidably connected and arranged in the inclined sliding groove.
[0009] Furthermore, a T-shaped groove is provided on the second mounting plate, and T-shaped protrusions matching with the T-shaped groove are provided on the first movable plates on both sides of the second rack, and the T-shaped protrusions are slidably connected and arranged in the T-shaped groove.
[0010] Advantages of the present invention: The present invention sets a first fixing mechanism, so that the clamping plates move toward each other to fix the music player left and right, and prevents the music player from being placed at a high center of gravity, which is very easy to tip over and fall when subjected to external force, making it inconvenient to protect the music player. The music player contains electronic components, and toppling over of the music player will damage the internal components, reducing the sound quality of the music player, thereby affecting the effect of music appreciation teaching; the protection mechanism is set, so that the clamping plates move toward each other to fix the music player left and right, and the protection box moves forward to protect the music player, so that the music player is prevented from being moved by external force, thereby affecting the effect of music appreciation teaching; the second fixing mechanism is set, so that The clamping plates move toward each other to fix the music player left and right, the protective box moves forward to protect the music player, and the limiting plate moves downward to fix the music player up and down, which further improves the fixing effect of the music player and increases the practicality of the device; by setting a closing mechanism, the clamping plates move toward each other to fix the music player left and right, the protective box moves forward to protect the music player, and the limiting plate moves downward to fix the music player up and down, and the hollow box cover rotates to close the protective box, which further improves the protection effect of the music player and prevents the music player from being damaged; the present invention has a simple and reliable structure, a good music appreciation effect, is easy to control, and is suitable for promotion.
[0011] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.
[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the installation of the electric push rod of the present invention; Figure 3is a schematic diagram of the installation of the second mounting plate of the present invention; Figure 4 is a schematic diagram of the installation of the first gear of the present invention; Figure 5 It is a schematic diagram of the installation of the third rotating shaft of the present invention; Figure 6 is a schematic diagram of the installation of the fourth rotating shaft of the present invention; Figure 7 It is a schematic diagram of the installation of the limiting plate of the present invention.
[0014] Reference numerals: 1 is the bottom plate, 101 is the moving wheel, 102 is the electric push rod, 103 is the telescopic rod, 104 is the working plate, 105 is the blackboard, 2 is the clamping plate, 21 is the driving member, 22 is the threaded rod, 23 is the first fixed plate, 24 is the first moving plate, 25 is the first mounting plate, 26 is the second mounting plate, 27 is the fan gear, 28 is the first rotating shaft, 29 is the first rotating rod, 210 is the sliding column, 211 is the lever, 212 is the T-shaped rod, 3 is the protection box, 31 is the first gear , 32 is the second rotating shaft, 33 is the second rotating rod, 34 is the third rotating rod, 35 is the third rotating shaft, 36 is the first moving rod, 4 is the limiting plate, 41 is the second gear, 42 is the second moving rod, 43 is the second fixed plate, 44 is the first L-shaped rod, 45 is the second moving plate, 46 is the third moving rod, 5 is the hollow box cover, 51 is the fourth rotating shaft, 52 is the second L-shaped rod, 53 is the third fixed plate, 54 is the third gear, 55 is the fourth fixed plate, and 56 is the fifth rotating shaft. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0016] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0017] refer to Figures 1 to 7 , a fixed frame for music appreciation that is easy to adjust in height, comprising a bottom plate 1, a moving wheel 101, an electric push rod 102, a telescopic rod 103, a working plate 104, and a blackboard 105; Four moving wheels 101 are installed under the bottom plate 1 for rotation; the bottom plate 1 is used to install the moving wheels 101, and the moving wheels 101 are used to move the fixed frame; the first end of the electric push rod 102 and the first ends of the three telescopic rods 103 are connected to the bottom plate 1, and the second end of the electric push rod 102 and the second ends of the three telescopic rods 103 are connected to the same working plate 104; the telescopic rod 103 is used to ensure the stable movement of the working plate 104; The front end of the working board 104 is vertically connected to the top of the blackboard 105; Preferably, the electric push rod 102 drives the working plate 104 and the blackboard 105 to move, and the movement of the working plate 104 and the blackboard 105 is used to adjust the use height of the blackboard 105 and the music player, so as to facilitate adjustment according to different usage conditions; The working plate 104 is provided with a first fixing mechanism for fixing the music player on the left and right sides; A protection mechanism for protecting the music player is installed at the rear side of the first fixing mechanism, and the protection mechanism is driven by the first fixing mechanism; A second fixing mechanism for fixing the music player up and down is installed on the protection mechanism, and the second fixing mechanism is driven by the protection mechanism; A closing mechanism for closing the protection is installed on the front side of the protection mechanism, and the closing mechanism is driven by the second fixing mechanism; The first fixing mechanism includes a clamping plate 2, a driving member 21, a threaded rod 22, a first fixing plate 23, a first moving plate 24, a first mounting plate 25, a second mounting plate 26, a sector gear 27, a first rotating shaft 28, a first rotating rod 29, a sliding column 210, a lever 211, and a T-shaped rod 212; Two first mounting plates 25 are respectively connected under the working plate 104 between the electric push rod 102 and the three telescopic rods 103, and a second mounting plate 26 is installed between the two first mounting plates 25; the first mounting plate 25 is used to install the second mounting plate 26, and the first movable plate 24 is slidably installed on the front side of the second mounting plate 26; the second mounting plate 26 is used to install the first movable plate 24, and the first fixed plate 23 is installed on the second mounting plate 26 below the first movable plate 24, and the first movable plate 24 has a threaded rod 22 passing through the internal thread, and the first end of the threaded rod 22 is rotatably connected to the working plate 104, and the second end of the threaded rod 22 is rotatably passed through the first fixed plate 23 and connected to the driving member 21; the first fixed plate 23 is used to install the threaded rod 22; the driving member 21 is a rotating handle; First racks are installed on both sides of the first moving plate 24, and a sector gear 27 is meshed and connected to the outer side of the first rack. A first rotating shaft 28 runs through the sector gear 27. The first end of the first rotating shaft 28 is rotatably connected to the second mounting plate 26. The second end of the first rotating shaft 28 is vertically connected to the first end of the first rotating rod 29, and the second end of the first rotating rod 29 is vertically connected to the sliding column 210. The working plate 104 is provided with two through first through grooves, in which a T-shaped rod 212 vertical rod is slidably penetrated, a clamping plate 2 is installed on the T-shaped rod 212 vertical rod, a cross bar of the T-shaped rod 212 is slidably connected to the bottom wall of the working plate 104, and one end of a lever 211 is connected to the cross bar of the T-shaped rod 212, a through second through groove is provided in the lever 211, and a sliding column 210 is slidably connected and arranged in the second through groove; The first movable plate 24 works by moving the driving protection mechanism; Preferably, the driving member 21 drives the threaded rod 22 to rotate, the rotation of the threaded rod 22 drives the first movable plate 24 to move downward, and the downward movement of the first movable plate 24 drives the first rack to move downward; The downward movement of the first rack drives the sector gear 27 to rotate, the rotation of the sector gear 27 drives the first rotating shaft 28 to rotate, the rotation of the first rotating shaft 28 drives the first rotating rod 29 to rotate, the rotation of the first rotating rod 29 drives the sliding column 210 to rotate, the rotation of the sliding column 210 drives the lever 211 to move toward each other, the lever 211 moves toward each other and drives the T-shaped rod 212 to move toward each other, the T-shaped rod 212 moves toward each other and drives the clamping plate 2 to move toward each other, the clamping plate 2 moves toward each other to fix the music player left and right to prevent the music player from being placed at a high center of gravity and easily tipping over and falling when subjected to external force, which makes it inconvenient to protect the music player. The music player contains electronic components, and the tipping over of the music player will damage the internal components, reducing the sound quality of the music player, thereby affecting the effect of music appreciation teaching; The protection mechanism includes a protection box 3, a first gear 31, a second rotating shaft 32, a second rotating rod 33, a third rotating rod 34, a third rotating shaft 35, and a first moving rod 36; A protective box 3 is slidably mounted on the working plate 104 at the rear side of the two clamping plates 2. A third through slot is provided at the rear end of the working plate 104. A first moving rod 36 is slidably penetrated in the third through slot. The first end of the first moving rod 36 is vertically connected to the bottom of the rear wall of the protective box 3. A fourth through slot is provided on the second end of the first moving rod 36, and a third rotating shaft 35 is installed in the fourth through slot. Both ends of the third rotating shaft 35 are rotatably connected to the inner wall of the fourth through slot respectively. A second rack is installed at the rear side of the first movable plate 24 above the second mounting plate 26, and a meshing first gear 31 is installed at the rear side of the second rack. A second rotating shaft 32 runs through the first gear 31, and both ends of the second rotating shaft 32 are rotatably connected to the first mounting plate 25 respectively. A first end of a second rotating rod 33 is fixedly sleeved on the second rotating shaft 32 on one side of the first gear 31, and a second end of the second rotating rod 33 is rotatably connected to a first end of a third rotating rod 34, and a second end of the third rotating rod 34 is installed on the third rotating shaft 35; The third rotating shaft 35 drives the second fixing mechanism to work by rotating; Preferably, the first movable plate 24 moves downward to drive the second rack to move downward, the second rack moves downward to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second shaft 32 to rotate, the second shaft 32 rotates to drive the second rotating rod 33 to rotate, the second rotating rod 33 rotates to drive the third rotating rod 34 to rotate, the third rotating rod 34 rotates to drive the third shaft 35 to rotate and move forward, the third shaft 35 moves forward to drive the first moving rod 36 to move forward, the first moving rod 36 moves forward to drive the protection box 3 to move forward, the protection box 3 moves forward to protect the music player to prevent the music player from being affected by external force and moving, thereby affecting the effect of music appreciation teaching; The second fixing mechanism includes a limiting plate 4, a second gear 41, a second moving rod 42, a second fixing plate 43, a first L-shaped rod 44, a second moving plate 45, and a third moving rod 46; A second gear 41 is fixedly sleeved on the third rotating shaft 35 at one side of the second end of the third rotating rod 34; A second fixing plate 43 is installed at the rear side of the protection box 3, and a second moving rod 42 is slidably penetrated in the second fixing plate 43; the second fixing plate 43 is used to install the second moving rod 42, and a third rack is installed inside the first end of the second moving rod 42, and the third rack is meshed and connected with the second gear 41; The second end of the second moving rod 42 is vertically connected to the end of the vertical rod of the first L-shaped rod 44, the end of the horizontal rod of the first L-shaped rod 44 is connected to the second moving plate 45, the first end of the third moving rod 46 is connected below the second moving plate 45, and the second end of the third moving rod 46 slides through the top wall of the protection box 3 and is vertically connected to the limiting plate 4; The second movable plate 45 drives the closing mechanism to work by moving; Preferably, the third rotating shaft 35 rotates to drive the second gear 41 to rotate, the second gear 41 rotates to drive the third rack to move downward, the third rack moves downward to drive the second moving rod 42 to move downward, the second moving rod 42 moves downward to drive the first L-shaped rod 44 to move downward, the first L-shaped rod 44 moves downward to drive the second moving plate 45 to move downward, the second moving plate 45 moves downward to drive the third moving rod 46 to move downward, the third moving rod 46 moves downward to drive the limiting plate 4 to move downward, the limiting plate 4 moves downward to fix the music player up and down, further improving the fixing effect of the music player and increasing the practicality of the device; The closing mechanism includes a hollow box cover 5, a fourth rotating shaft 51, a second L-shaped rod 52, a third fixing plate 53, a third gear 54, a fourth fixing plate 55, and a fifth rotating shaft 56; The second movable plate 45 is provided with a through inclined slide groove; A fifth rotating shaft 56 is installed on the upper front side of the protection box 3, and fourth fixing plates 55 are installed on both sides of the protection box 3 outside the two ends of the fifth rotating shaft 56, and the two ends of the fifth rotating shaft 56 are respectively rotatably connected with the fourth fixing plate 55; the fourth fixing plate 55 is used to install the fifth rotating shaft 56, and one end of the hollow box cover 5 is installed on the fifth rotating shaft 56, and a third gear 54 is fixedly sleeved on the fourth fixing plate 55 that rotates through one end of the fifth rotating shaft 56, and a third fixing plate 53 is vertically connected to the protection box 3 on the rear side of the third gear 54, and a second L-shaped rod 52 vertical rod slides through the third fixing plate 53; the third fixing plate 53 is used to install the second L-shaped rod 52, and a fourth rack is installed under the second L-shaped rod 52 vertical rod close to the third gear 54, and the fourth rack is meshed and connected with the third gear 54; The second L-shaped rod 52 is vertically connected to the first end of the fourth rotating shaft 51, and the second end of the fourth rotating shaft 51 is slidably connected and arranged in the inclined sliding groove; Preferably, since a through inclined slide groove is provided on the second movable plate 45, and the second end of the fourth rotating shaft 51 is slidably connected and arranged in the inclined slide groove; The second movable plate 45 moves downward to drive the fourth rotating shaft 51 to move forward, the fourth rotating shaft 51 moves forward to drive the second L-shaped rod 52 to move forward, the second L-shaped rod 52 moves forward to drive the fourth rack to move forward, the fourth rack moves forward to drive the third gear 54 to rotate, the third gear 54 rotates to drive the fifth rotating shaft 56 to rotate, the fifth rotating shaft 56 rotates to drive the hollow box cover 5 to rotate, the hollow box cover 5 rotates to close the protection box 3, further improving the protection effect of the music player and preventing the music player from being damaged; A T-shaped groove is provided on the second mounting plate 26, and T-shaped protrusions matching the T-shaped groove are installed on the first movable plates 24 on both sides of the second rack. The T-shaped protrusions are slidably connected and arranged in the T-shaped groove; the cooperation between the T-shaped groove and the T-shaped protrusion ensures that the first movable plate 24 slides smoothly on the second mounting plate 26.
[0018] The method of using the present invention is as follows: when the relevant knowledge of music appreciation needs to be played during the music learning process, the teacher places the music player on the working board 104 between the two clamping plates 2, and then the teacher drives the driving member 21; The driving member 21 drives the threaded rod 22 to rotate, the threaded rod 22 rotates to drive the first movable plate 24 to move downward, and the first movable plate 24 moves downward to drive the first rack to move downward; The downward movement of the first rack drives the sector gear 27 to rotate, the rotation of the sector gear 27 drives the first rotating shaft 28 to rotate, the rotation of the first rotating shaft 28 drives the first rotating rod 29 to rotate, the rotation of the first rotating rod 29 drives the sliding column 210 to rotate, the rotation of the sliding column 210 drives the lever 211 to move toward each other, the lever 211 moves toward each other and drives the T-shaped rod 212 to move toward each other, the T-shaped rod 212 moves toward each other and drives the clamping plate 2 to move toward each other, the clamping plate 2 moves toward each other to fix the music player left and right to prevent the music player from being placed at a high center of gravity and easily tipping over and falling when subjected to external force, which makes it inconvenient to protect the music player. The music player contains electronic components, and the tipping over of the music player will damage the internal components, reducing the sound quality of the music player, thereby affecting the effect of music appreciation teaching; At the same time, the first movable plate 24 moves downward to drive the second rack to move downward, the second rack moves downward to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second shaft 32 to rotate, the second shaft 32 rotates to drive the second rotating rod 33 to rotate, the second rotating rod 33 rotates to drive the third rotating rod 34 to rotate, the third rotating rod 34 rotates to drive the third shaft 35 to rotate and move forward, the third shaft 35 moves forward to drive the first moving rod 36 to move forward, the first moving rod 36 moves forward to drive the protection box 3 to move forward, the protection box 3 moves forward to protect the music player to prevent the music player from being affected by external force and moving, which affects the effect of music appreciation teaching; At the same time, the third rotating shaft 35 rotates to drive the second gear 41 to rotate, the second gear 41 rotates to drive the third rack to move downward, the third rack moves downward to drive the second moving rod 42 to move downward, the second moving rod 42 moves downward to drive the first L-shaped rod 44 to move downward, the first L-shaped rod 44 moves downward to drive the second moving plate 45 to move downward, the second moving plate 45 moves downward to drive the third moving rod 46 to move downward, the third moving rod 46 moves downward to drive the limiting plate 4 to move downward, the limiting plate 4 moves downward to fix the music player up and down, further improving the fixing effect of the music player and increasing the practicality of the device; At the same time, since the second movable plate 45 is provided with a through inclined slide groove, and the second end of the fourth rotating shaft 51 is slidably connected and arranged in the inclined slide groove; The second movable plate 45 moves downward to drive the fourth rotating shaft 51 to move forward, the fourth rotating shaft 51 moves forward to drive the second L-shaped rod 52 to move forward, the second L-shaped rod 52 moves forward to drive the fourth rack to move forward, the fourth rack moves forward to drive the third gear 54 to rotate, the third gear 54 rotates to drive the fifth rotating shaft 56 to rotate, the fifth rotating shaft 56 rotates to drive the hollow box cover 5 to rotate, the hollow box cover 5 rotates to close the protection box 3, further improving the protection effect of the music player and preventing the music player from being damaged; Next, the teacher drives the electric push rod 102, and the electric push rod 102 drives the working board 104 and the blackboard 105 to move. The working board 104 and the blackboard 105 move to adjust the use height of the blackboard 105 and the music player, so as to facilitate adjustment according to different use situations; Then, the teacher can conduct music appreciation teaching.
[0019] The present invention sets a first fixing mechanism, so that the clamping plates move toward each other to fix the music player left and right, and prevents the music player from being placed at a high center of gravity, which is very easy to tip over and fall when subjected to external force, making it inconvenient to protect the music player. The music player contains electronic components, and toppling over of the music player will damage the internal components, reducing the sound quality of the music player, thereby affecting the effect of music appreciation teaching; the protection mechanism is set, so that the clamping plates move toward each other to fix the music player left and right, and the protection box moves forward to protect the music player, so that the music player is prevented from being moved by external force, thereby affecting the effect of music appreciation teaching; the second fixing mechanism is set, so that The clamping plates move toward each other to fix the music player left and right, the protective box moves forward to protect the music player, and the limiting plate moves downward to fix the music player up and down, which further improves the fixing effect of the music player and increases the practicality of the device; by setting a closing mechanism, the clamping plates move toward each other to fix the music player left and right, the protective box moves forward to protect the music player, and the limiting plate moves downward to fix the music player up and down, and the hollow box cover rotates to close the protective box, which further improves the protection effect of the music player and prevents the music player from being damaged; the present invention has a simple and reliable structure, a good music appreciation effect, is easy to control, and is suitable for promotion.
[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A fixed stand for music appreciation that is easy to adjust in height, characterized in that: It comprises a base plate (1), a moving wheel (101), an electric push rod (102), a telescopic rod (103), a working plate (104), and a blackboard (105); Four movable wheels (101) are rotatably disposed under the base plate (1); the first end of an electric push rod (102) and the first ends of three telescopic rods (103) are respectively connected to the base plate (1); the second end of the electric push rod (102) and the second ends of the three telescopic rods (103) are connected to the same working plate (104); The front end of the working board (104) is vertically connected to the top end of the blackboard (105); The working plate (104) is provided with a first fixing mechanism for fixing the music player on the left and right sides; A protection mechanism for protecting the music player is provided at the rear side of the first fixing mechanism, and the protection mechanism is driven by the first fixing mechanism; The protection mechanism is provided with a second fixing mechanism for fixing the music player up and down, and the second fixing mechanism is driven by the protection mechanism; A closing mechanism for closing the protection is arranged at the front side of the protection mechanism, and the closing mechanism is driven by a second fixing mechanism.
2. The height-adjustable fixing stand for music appreciation according to claim 1, characterized in that: The first fixing mechanism comprises a clamping plate (2), a driving member (21), a threaded rod (22), a first fixing plate (23), a first moving plate (24), a first mounting plate (25), a second mounting plate (26), a sector gear (27), a first rotating shaft (28), a first rotating rod (29), a sliding column (210), a shifting rod (211), and a T-shaped rod (212); Two first mounting plates (25) are respectively connected under the working plate (104) between the electric push rod (102) and the three telescopic rods (103); a second mounting plate (26) is provided between the two first mounting plates (25); a first movable plate (24) is slidably provided in front of the second mounting plate (26); a first fixed plate (23) is provided on the second mounting plate (26) below the first movable plate (24); a threaded rod (22) is penetrated through the internal thread of the first movable plate (24); a first end of the threaded rod (22) is rotatably connected to the working plate (104); a second end of the threaded rod (22) is rotatably penetrated through the first fixed plate (23) and is connected to a driving member (21); A first rack is provided on both sides of the first movable plate (24); a sector gear (27) is meshedly connected to the outer side of the first rack; a first rotating shaft (28) runs through the sector gear (27); a first end of the first rotating shaft (28) is rotatably connected to the second mounting plate (26); a second end of the first rotating shaft (28) is vertically connected to a first end of a first rotating rod (29); and a second end of the first rotating rod (29) is vertically connected to a sliding column (210); The working plate (104) is provided with two through first through grooves, a T-shaped rod (212) vertical rod slidably penetrates the first through groove, a clamping plate (2) is provided on the T-shaped rod (212) vertical rod, the T-shaped rod (212) cross rod is slidably connected to the bottom wall of the working plate (104), one end of a lever (211) is connected below the T-shaped rod (212) cross rod, a through second through groove is provided in the lever (211), and the sliding column (210) is slidably connected and arranged in the second through groove; The first movable plate (24) works by moving the driving protection mechanism.
3. The height-adjustable fixing stand for music appreciation according to claim 2, characterized in that: The protection mechanism comprises a protection box (3), a first gear (31), a second rotating shaft (32), a second rotating rod (33), a third rotating rod (34), a third rotating shaft (35), and a first moving rod (36); A protective box (3) is slidably provided on a working plate (104) at the rear side of the two clamping plates (2); a third through slot is provided at the rear end of the working plate (104); a first moving rod (36) is slidably passed through the third through slot; a first end of the first moving rod (36) is vertically connected to the bottom of the rear wall of the protective box (3); A fourth through slot is provided on the second end of the first moving rod (36), a third rotating shaft (35) is provided in the fourth through slot, and both ends of the third rotating shaft (35) are rotatably connected to the inner wall of the fourth through slot respectively; A second rack is provided on the rear side of the first movable plate (24) above the second mounting plate (26), a first gear (31) meshing with the second rack is provided on the rear side of the second gear, a second rotating shaft (32) passes through the first gear (31), two ends of the second rotating shaft (32) are respectively rotatably connected to the first mounting plate (25), a first end of a second rotating rod (33) is sleeved on the second rotating shaft (32) on one side of the first gear (31), the second end of the second rotating rod (33) is rotatably connected to the first end of a third rotating rod (34), and the second end of the third rotating rod (34) is sleeved on the third rotating shaft (35); The third rotating shaft (35) drives the second fixing mechanism to work by rotating.
4. The height-adjustable fixing stand for music appreciation according to claim 3, characterized in that: The second fixing mechanism comprises a limiting plate (4), a second gear (41), a second moving rod (42), a second fixing plate (43), a first L-shaped rod (44), a second moving plate (45), and a third moving rod (46); A second gear (41) is sleeved on the third rotating shaft (35) at one side of the second end of the third rotating rod (34); A second fixed plate (43) is provided at the rear side of the protection box (3), a second movable rod (42) is slidably penetrated in the second fixed plate (43), a third rack is provided at the inner side of the first end of the second movable rod (42), and the third rack is meshingly connected with the second gear (41); The second end of the second movable rod (42) is vertically connected to the vertical rod end of the first L-shaped rod (44), the horizontal rod end of the first L-shaped rod (44) is connected to the second movable plate (45), the second movable plate (45) is connected below the first end of the third movable rod (46), and the second end of the third movable rod (46) slides through the top wall of the protection box (3) and is vertically connected to the limiting plate (4); The second movable plate (45) drives the closing mechanism to work by moving.
5. The height-adjustable fixing stand for music appreciation according to claim 4, characterized in that: The closing mechanism comprises a hollow box cover (5), a fourth rotating shaft (51), a second L-shaped rod (52), a third fixing plate (53), a third gear (54), a fourth fixing plate (55), and a fifth rotating shaft (56); The second movable plate (45) is provided with a through inclined sliding groove; A fifth rotating shaft (56) is provided on the upper front side of the protection box (3), and fourth fixed plates (55) are provided on both sides of the protection box (3) outside the two ends of the fifth rotating shaft (56), and the two ends of the fifth rotating shaft (56) are respectively rotatably connected to the fourth fixed plate (55), and one end of the hollow box cover (5) is sleeved on the fifth rotating shaft (56), and the third gear (54) is sleeved on the fourth fixed plate (55) through which one end of the fifth rotating shaft (56) rotates, and the third fixed plate (53) is vertically connected to the protection box (3) on the rear side of the third gear (54), and a second L-shaped rod (52) vertical rod is slidably penetrated in the third fixed plate (53), and a fourth rack is provided under the second L-shaped rod (52) vertical rod close to the third gear (54), and the fourth rack is meshingly connected with the third gear (54); The cross bar of the second L-shaped rod (52) is vertically connected to the first end of the fourth rotating shaft (51), and the second end of the fourth rotating shaft (51) is slidably connected and arranged in the inclined sliding groove.
6. The height-adjustable fixing stand for music appreciation according to claim 3, characterized in that: The second mounting plate (26) is provided with a T-shaped groove, and the first movable plates (24) on both sides of the second rack are provided with T-shaped protrusions matching the T-shaped groove, and the T-shaped protrusions are slidably connected and arranged in the T-shaped groove.