Portable foldable lifting music score rack

Abstract

The utility model discloses a portable foldable lifting music score rack, and relates to a reading table. A warp reading table; the utility model relates to the technical field of lecture jars. The portable foldable lifting music score frame comprises a step rod, a sleeve is slidably connected to the surface of the step rod, and a limiting device with a reset function is arranged in the sleeve; the limiting device comprises a third spring, one end of the third spring is fixedly connected with the interior of the sleeve, the other end of the third spring is fixedly connected with an elastic piece, and the upper surface of the elastic piece makes contact with the lower surface of the step rod. A sliding groove is formed in the surface of the step rod, a button in the limiting device is arranged, the button is pressed to drive a button body to move, the button body drives a small ball to move to leave the interior of the limiting groove, and then an adjusting rod is rapidly driven by an elastic piece of the adjusting rod to the preset height so that the adjusting rod can rapidly meet the requirements of commanders. And in addition, the height can be reduced when the device is not suitable, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reading tables, scripture reading tables and preaching pulpits, in particular to a portable foldable lifting music stand. Background Art

[0002] In classical performances, when multiple musical instruments perform a piece of music together, a conductor is needed to conduct the performance to ensure that the various instruments perform in an orderly manner. When conducting, the conductor often places a music stand in front of him to place the music score. A Chinese utility model patent, authorization announcement number "CN212546102U", discloses a portable music score stand, including a support tube with a hollow cylindrical structure with an open top, a telescopic rod is provided on the top of the support tube, the telescopic rod is located inside the support tube, and a bearing plate is provided on the top of the telescopic rod, a support plate is fixed on one side of the upper surface of the bearing plate, a support frame is fixed on the outer side wall of the support tube, and a servo motor is fixed on the bottom end of the support tube.

[0003] The above technical solution drives the threaded rod to rotate by a servo motor, so that the telescopic rod can move up and down, and then its height can be adjusted. When not in use, it needs to be retracted by a motor to make the music stand take up as little space as possible. However, when performing, the actor needs to go on stage quickly, and it is too troublesome to use a motor to lift and adjust the appropriate height. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a portable foldable lifting music stand, which can solve the problem that actors need to go on stage quickly, but it is too troublesome to use a motor to lift and adjust the appropriate height.

[0005] To achieve the above object, the utility model provides the following technical solution: a portable foldable lifting music stand, comprising a step rod, a sleeve is slidably connected to the surface of the step rod, and a limit device with a reset function is arranged inside the sleeve;

[0006] The limiting device includes a third spring, one end of which is fixedly connected to the inside of the sleeve, and the other end of the third spring is fixedly connected to a spring sheet, and the upper surface of the spring sheet is in contact with the lower surface of the step rod;

[0007] The surface of the step rod is provided with a sliding groove, a small ball is slidably connected inside the sliding groove, a second spring is fixedly connected to the surface of the small ball, and the other end of the second spring is fixedly connected to the inside of the sliding groove;

[0008] Among them, two limit grooves are opened on the surface of the sleeve, the surface of the small ball is in contact with the inside of the corresponding limit grooves, the inside of the two limit grooves are slidably connected with a button body, the surface of the small ball is in contact with the surface of the corresponding button body, and the surfaces of the two button bodies are fixedly connected with buttons.

[0009] Preferably, the surfaces of the two buttons are fixedly connected with first springs, and the other ends of the two first springs are fixedly connected with the surface of the sleeve;

[0010] Wherein, a bracket is fixedly installed on the surface of the sleeve.

[0011] Preferably, an adjustment rod is slidably connected inside the step rod;

[0012] The surface of the step rod is threadedly connected with a first screw, and the surface of the first screw is in contact with the surface of the adjusting rod.

[0013] Preferably, a connecting piece is fixedly connected to the upper surface of the adjusting rod, and a rotating shaft is rotatably connected inside the connecting piece.

[0014] Preferably, two rotating shaft frames are fixedly connected to the surface of the rotating shaft, and music score support plates are fixedly connected to the surfaces of the two rotating shaft frames.

[0015] Preferably, a second screw is threadedly connected to the surface of the connecting member, and the surface of the second screw is in contact with the surface of the rotating shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The portable foldable lifting music stand is provided with a button in the limit device. When the button is pressed, the button body is driven to move. The button body drives the small ball to move out of the inside of the limit groove. Then, the adjustment rod is quickly driven to a preset height by its spring sheet, so that it can quickly adapt to the needs of the conductor. In addition, the height can be lowered when it is not suitable, thereby improving convenience.

[0018] (2) The portable foldable lifting music stand can tighten and loosen the connecting piece and the rotating shaft by setting a second screw, so as to pre-adjust the angle of the music support plate. When the music stand is used, the music stand can be used immediately after the music support plate moves to a suitable position by pressing a button, thereby saving the time required for calibrating the angle of the music support plate on the stage and increasing the performance time of the performers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the actual structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the connection relationship between the adjustment rod and the step rod of the utility model;

[0023] Figure 4 This is a schematic diagram of the interior of the sleeve of the utility model;

[0024] Figure 5 This is a schematic diagram of the connection relationship between the spring piece and the third spring of the utility model;

[0025] Figure 6 This is a schematic diagram of the interior of the step rod of the utility model;

[0026] Figure 7 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0027] Figure 8 For this utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0028] Fig. 9 For this utility model Figure 3 The enlarged schematic diagram at C in the middle;

[0029] Fig.10 For this utility model Figure 3 The enlarged schematic diagram at D in the middle;

[0030] Fig.11 For this utility model Figure 5 Enlarged schematic diagram at point E in the middle.

[0031] Figure numerals: 1. music score support plate; 2. adjustment rod; 3. step rod; 4. rotating shaft frame; 5. sleeve; 6. bracket; 7. first screw; 8. first spring; 9. button; 10. button body; 11. limiting groove; 12. small ball; 13. sliding groove; 14. second spring; 15. second screw; 16. connecting piece; 17. rotating shaft; 18. spring piece; 19. third spring. DETAILED DESCRIPTION

[0032] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0033] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.

[0034] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] See also Figure 1-11 The utility model provides a technical solution: a portable foldable lifting music stand, comprising a step rod 3, a sleeve 5 is slidably connected to the surface of the step rod 3, and a limit device with a reset function is arranged inside the sleeve 5;

[0037] The limiting device includes a third spring 19, one end of which is fixedly connected to the inside of the sleeve 5, and the other end of the third spring 19 is fixedly connected to a spring sheet 18, and the upper surface of the spring sheet 18 is in contact with the lower surface of the step rod 3;

[0038] The surface of the step rod 3 is provided with a sliding groove 13, the interior of the sliding groove 13 is slidably connected with a small ball 12, the surface of the small ball 12 is fixedly connected with a second spring 14, and the other end of the second spring 14 is fixedly connected with the interior of the sliding groove 13;

[0039] Among them, two limit grooves 11 are opened on the surface of the sleeve 5, and the surfaces of the small balls 12 are in contact with the inside of the corresponding limit grooves 11. The insides of the two limit grooves 11 are slidably connected with button bodies 10, and the surfaces of the small balls 12 are in contact with the surfaces of the corresponding button bodies 10. The surfaces of the two button bodies 10 are fixedly connected with buttons 9.

[0040] The surfaces of the two buttons 9 are fixedly connected with the first springs 8, and the other ends of the two first springs 8 are fixedly connected with the surface of the sleeve 5;

[0041] A bracket 6 is fixedly mounted on the surface of the sleeve 5 .

[0042] The step rod 3 is internally slidably connected with the adjustment rod 2;

[0043] The surface of the step rod 3 is threadedly connected with a first screw 7 , and the surface of the first screw 7 is in contact with the surface of the adjustment rod 2 .

[0044] A connecting piece 16 is fixedly connected to the upper surface of the adjusting rod 2 , and a rotating shaft 17 is rotatably connected inside the connecting piece 16 .

[0045] Two rotating shaft frames 4 are fixedly connected to the surface of the rotating shaft 17 , and the surfaces of the two rotating shaft frames 4 are fixedly connected to the music score supporting plates 1 .

[0046] The second screw 15 is threadedly connected to the surface of the connecting member 16 , and the surface of the second screw 15 is in contact with the surface of the rotating shaft 17 .

[0047] When it is necessary to pre-adjust the height of the music score support plate 1, first, press the button 9 at the lower position through external force, and the movement of the button 9 drives the button body 10 to move, and the movement of the button body 10 drives the small ball 12 to move until it is completely out of the limit groove 11, and the movement of the small ball 12 drives the sliding groove 13 to be compressed, and then the third spring 19 is reset to drive the spring piece 18 to move, and the movement of the spring piece 18 drives the step rod 3 to move upward, and the upward movement of the step rod 3 drives the sliding groove 13 to move upward, and the upward movement of the sliding groove 13 drives the small ball 12 to move until it coincides with the position close to the limit groove 11, and the sliding groove 13 is reset to drive the small ball 12 to move to the inside of the limit groove 11 for limitation.

[0048] Secondly, the upward movement of the step rod 3 drives the first screw 7 to move upward, the upward movement of the first screw 7 drives the adjusting rod 2 to move upward, the upward movement of the adjusting rod 2 drives the connecting member 16 to move upward, the upward movement of the connecting member 16 drives the rotating shaft 17 to move upward, the upward movement of the rotating shaft 17 drives the two rotating shaft frames 4 to move upward, and the upward movement of the two rotating shaft frames 4 drives the music score support plate 1 to move upward.

[0049] Subsequently, the positional relationship between the step rod 3 and the adjustment rod 2 is loosened by turning the first screw 7, and then the extension height of the adjustment rod 2 is adjusted to a suitable position by external force, and the first screw 7 is tightened to tighten the positional relationship between the step rod 3 and the adjustment rod 2.

[0050] Finally, pressing the button 9 at the upper position drives the button body 10 to leave the corresponding limit groove 11, and drives the step rod 3 to move downward to drive the small ball 12 into the lower limit groove 11. The downward movement of the step rod 3 drives the spring piece 18 to move downward, and the downward movement of the spring piece 18 drives the third spring 19 to be compressed.

[0051] When it is necessary to pre-adjust the angle of the music score support plate 1, the second screw 15 is turned to loosen the connecting piece 16 and the rotating shaft 17, and then the music score support plate 1 is turned to adjust the music score support plate 1 to a suitable angle, and then the second screw 15 is turned to tighten the positional relationship between the connecting piece 16 and the rotating shaft 17.

[0052] By setting a button 9 in the limit device, pressing the button 9 drives the button body 10 to move, and the button body 10 drives the ball 12 to move out of the inside of the limit groove 11. Then, the adjustment rod 2 is quickly driven to a preset height by its spring piece 18, so that it can quickly adapt to the needs of the commander, and can also lower the height when it is not suitable, thereby improving convenience.

[0053] By setting the second screw 15, the connecting piece 16 and the rotating shaft 17 can be tightened and loosened, so as to pre-adjust the angle of the music support plate 1. When it is used, the button 9 can be pressed, and the music support plate 1 can be used immediately after it moves to a suitable position, thereby saving the time required for calibrating the angle of the music support plate 1 on the stage, thereby increasing the performance time for its performers.

[0054] Working principle: when it is necessary to pre-adjust the height of the music score support plate 1, first, press the button 9 at the lower position through external force, the button 9 drives the button body 10 to move, the button body 10 drives the small ball 12 to move until it is completely out of the limit groove 11, the small ball 12 drives the sliding groove 13 to be compressed, and then the third spring 19 is reset to drive the spring piece 18 to move, the spring piece 18 drives the step rod 3 to move upward, the step rod 3 drives the sliding groove 13 to move upward, the sliding groove 13 drives the small ball 12 to move until it coincides with the position close to the limit groove 11, the sliding groove 13 is reset to drive the small ball 12 to move to the inside of the limit groove 11 for limitation.

[0055] Secondly, the step rod 3 drives the first screw 7 to move upward, the first screw 7 drives the adjusting rod 2 to move upward, the adjusting rod 2 drives the connecting member 16 to move upward, the connecting member 16 drives the rotating shaft 17 to move upward, the rotating shaft 17 drives the two rotating shaft frames 4 to move upward, and the two rotating shaft frames 4 drive the music score support plate 1 to move upward.

[0056] Subsequently, the positional relationship between the step rod 3 and the adjustment rod 2 is loosened by turning the first screw 7, and then the extension height of the adjustment rod 2 is adjusted to a suitable position by external force, and the first screw 7 is tightened to tighten the positional relationship between the step rod 3 and the adjustment rod 2.

[0057] Finally, pressing the button 9 at the upper position drives the button body 10 to leave the corresponding limit groove 11, and drives the step rod 3 to drive the small ball 12 into the lower limit groove 11, the step rod 3 drives the spring 18 to move downward, and the spring 18 drives the third spring 19 to be compressed.

[0058] When it is necessary to pre-adjust the angle of the music score support plate 1, the second screw 15 is turned to loosen the connecting piece 16 and the rotating shaft 17, and then the music score support plate 1 is turned to adjust the music score support plate 1 to a suitable angle, and then the second screw 15 is turned to tighten the positional relationship between the connecting piece 16 and the rotating shaft 17.

[0059] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A portable foldable music stand, comprising a step rod (3), a sleeve (5) being slidably connected to the surface of the step rod (3), characterized in that: A limiting device with a reset function is arranged inside the sleeve (5); The limiting device comprises a third spring (19), one end of the third spring (19) is fixedly connected to the inside of the sleeve (5), the other end of the third spring (19) is fixedly connected to a spring sheet (18), and the upper surface of the spring sheet (18) is in contact with the lower surface of the step rod (3); The surface of the step rod (3) is provided with a sliding groove (13), a small ball (12) is slidably connected inside the sliding groove (13), a second spring (14) is fixedly connected to the surface of the small ball (12), and the other end of the second spring (14) is fixedly connected to the inside of the sliding groove (13); The surface of the sleeve (5) is provided with two limit grooves (11), the surfaces of the small balls (12) are in contact with the inside of the corresponding limit grooves (11), the insides of the two limit grooves (11) are slidably connected with button bodies (10), the surfaces of the small balls (12) are in contact with the surfaces of the corresponding button bodies (10), and the surfaces of the two button bodies (10) are fixedly connected with buttons (9).

2. The portable foldable music stand according to claim 1, characterized in that: The surfaces of the two buttons (9) are fixedly connected to a first spring (8), and the other ends of the two first springs (8) are fixedly connected to the surface of the sleeve (5); Wherein, a bracket (6) is fixedly mounted on the surface of the sleeve (5).

3. The portable foldable music stand according to claim 1, characterized in that: The step rod (3) is slidably connected inside with an adjustment rod (2); The surface of the step rod (3) is threadedly connected with a first screw (7), and the surface of the first screw (7) is in contact with the surface of the adjustment rod (2).

4. The portable foldable music stand according to claim 3, characterized in that: The upper surface of the adjustment rod (2) is fixedly connected with a connecting piece (16), and the interior of the connecting piece (16) is rotatably connected with a rotating shaft (17).

5. The portable foldable music stand according to claim 4, characterized in that: Two rotating shaft frames (4) are fixedly connected to the surface of the rotating shaft (17), and music score support plates (1) are fixedly connected to the surfaces of the two rotating shaft frames (4).

6. The portable foldable music stand according to claim 4, characterized in that: The surface of the connecting member (16) is threadedly connected with a second screw (15), and the surface of the second screw (15) is in contact with the surface of the rotating shaft (17).

Images