A lifting speaker for stage

Abstract

The utility model discloses a lifting type speaker for stage, which relates to the technical field of speaker equipment, including a box body, wherein the bottom wall of the box body is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a mounting plate, four limit plates are fixedly connected with the side wall of the mounting plate, the lower end of the limit plate is fixedly connected with a first connecting column, the end of the first connecting column away from the limit plate is fixedly connected with a limit block, the lower end of the first connecting column is provided with a second connecting column, and the lower end of the second connecting column is fixedly connected with a roller. In the utility model, the first mounting groove and the second mounting groove are used to limit the mounting plate and the limit block in the horizontal direction, so as to avoid the shaking of the speaker after being raised and increase the stability; secondly, rollers are provided, and when the box body is moved, there is no need for manual effort to move it, and the sliding friction is converted into rolling friction, so that the position movement of the box body is more labor-saving; secondly, linkage is achieved between the extension and extension of the speaker into the box body and the extension and extension of the roller into the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of sound box equipment, in particular to a lifting sound box for stage. Background Art

[0002] A speaker is a device that converts audio signals into sound. In layman's terms, it refers to the speaker main box or subwoofer box with a built-in power amplifier. The audio signal is amplified and played back by the speaker itself to make the sound louder. It has become an indispensable device in our lives. On the stage of various activities and performances, speakers are even more indispensable.

[0003] Chinese patent document CN212086402U discloses a stage lifting speaker, including a sound body, a mounting platform, a mounting seat and a locking bolt. The middle part of the bottom end of the sound body is connected to the mounting platform by bolts. The bottom end of the mounting platform is formed with a rotating ring sleeve. The mounting seat is arranged below the mounting platform. The upper end of the mounting seat is formed with a ring groove near the rotating ring sleeve. The above-mentioned stage lifting speaker has shortcomings. Although the device can lift the speaker, it has limitations. The speaker body is heavy, and the raised speaker is only supported by an electric push rod, which is easy to shake and has poor stability. In severe cases, it directly causes the speaker to fall and be damaged. Secondly, the setting is not convenient for moving the position, and it must be moved by manpower, which consumes too much physical strength.

[0004] Therefore, in order to solve such problems, we propose a lifting speaker for stage. Utility Model Content

[0005] The purpose of the utility model is to provide a liftable speaker for stage, aiming to solve the problem in the above-mentioned background technology that the existing liftable speakers for stage are prone to shaking when in use because the speakers are lifted up and have poor stability, which may directly cause the speakers to fall and be damaged in serious cases.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lifting type speaker for stage, comprising a box body, a first mounting groove is provided inside the box body, four second mounting grooves are provided inside the box body, the first mounting groove and the second mounting groove are communicated, an electric push rod is fixedly connected to the bottom wall of the box body, a mounting plate is fixedly connected to the output end of the electric push rod, four limit plates are fixedly connected to the side walls of the mounting plate, the limit plates are respectively slidably connected to the second mounting grooves, a first connecting column is fixedly connected to the lower end of the limit plate, an end of the first connecting column away from the limit plate is fixedly connected to the limit block, a second connecting column is provided at the lower end of the first connecting column, a sliding groove is provided at one end of the second connecting column close to the first connecting column, the limit block is slidably connected to the side wall of the sliding groove, a roller is fixedly connected to the lower end of the second connecting column, a motor is fixedly connected to the mounting plate, a placement plate is fixedly connected to the output end of the motor, a speaker body is fixedly connected to the end of the placement plate away from the motor, and a box cover is fixedly connected to the upper end of the speaker body.

[0007] Preferably, an annular groove is formed at one end of the mounting plate close to the placement plate, and a limiting ring is fixedly connected to one end of the placement plate close to the mounting plate, and the limiting ring is rotatably connected to the annular groove.

[0008] Preferably, four through slots are opened at the lower end of the box body, which are respectively communicated with the second mounting slots, and a connecting plate is fixedly connected to the side wall of the second connecting column close to one end of the roller, and the connecting plate is slidably connected to the side wall of the second mounting slot.

[0009] Preferably, a rubber plate is fixedly connected to the lower end of the box.

[0010] Preferably, the length of the electric push rod when it is contracted to its shortest length is equal to the length of the second connecting column.

[0011] Preferably, the sum of the lengths of the second connecting column and the first connecting column is smaller than the height of the second mounting groove.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the first mounting groove and the second mounting groove are used to limit the mounting plate and the limit block in the horizontal direction, so as to avoid the shaking of the speaker after being raised and increase the stability. Secondly, rollers are provided, and when the box is moved, there is no need for manual movement, and the sliding friction is converted into rolling friction, so that the position movement of the box is more labor-saving. Secondly, the extension and extension of the speaker into the box and the extension and extension of the roller into the box are linked. When the speaker is raised and extended out of the box, the roller extends into the box, so that the lower end of the box contacts the placement surface, which increases the stability of the box and the speaker body when they are placed, avoids the displacement of the roller due to the vibration of the stage, and the structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A three-dimensional schematic diagram of a stage lifting speaker proposed by the utility model Figure 1 ;

[0015] Figure 2 A three-dimensional schematic diagram of a stage lifting speaker proposed by the utility model Figure 2 ;

[0016] Figure 3 This is a three-dimensional exploded schematic diagram of the internal structure of a stage lifting sound box proposed by the utility model;

[0017] Figure 4 A three-dimensional schematic diagram of a stage lift-type speaker box proposed by the utility model Figure 1 ;

[0018] Figure 5 A three-dimensional schematic diagram of a stage lift-type speaker box proposed by the utility model Figure 2 .

[0019] Legend:

[0020] 1. Box body; 101. First mounting slot; 102. Second mounting slot; 103. Through slot; 11. Electric push rod; 12. Mounting plate; 121. Limit plate; 122. Ring slot; 13. First connecting column; 131. Limit block; 14. Second connecting column; 141. Slide slot; 15. Connecting plate; 16. Motor; 17. Placement plate; 171. Limit ring; 18. Speaker body; 19. Rubber plate; 2. Roller; 3. Box cover. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5 The utility model provides an embodiment: a lifting type speaker for stage, including a box body 1, a first mounting groove 101 is provided inside the box body 1, four second mounting grooves 102 are provided inside the box body 1, the first mounting groove 101 and the second mounting groove 102 are communicated, an electric push rod 11 is fixedly connected to the bottom wall of the box body 1, a mounting plate 12 is fixedly connected to the output end of the electric push rod 11, four limiting plates 121 are fixedly connected to the side wall of the mounting plate 12, the limiting plates 121 are respectively slidably connected to the second mounting groove 102, the lower end of the limiting plate 121 is fixedly connected to the first connecting column 13, the first The end of the connecting column 13 away from the limiting plate 121 is fixedly connected to the limiting block 131, the lower end of the first connecting column 13 is provided with a second connecting column 14, the end of the second connecting column 14 close to the first connecting column 13 is provided with a sliding groove 141, the limiting block 131 is slidably connected to the side wall of the sliding groove 141, the lower end of the second connecting column 14 is fixedly connected to the roller 2, the inside of the mounting plate 12 is fixedly connected to the motor 16, the output end of the motor 16 is fixedly connected to the placement plate 17, the end of the placement plate 17 away from the motor 16 is fixedly connected to the speaker body 18, and the upper end of the speaker body 18 is fixedly connected to the box cover 3.

[0024] The arrangement starts the electric push rod 11, so that the electric push rod 11 drives the mounting plate 12 to rise vertically, so that the mounting plate 12 simultaneously drives the first connecting column 13 and the motor 16 to rise vertically, so that the motor 16 drives the placement plate 17 to rise vertically, so that the placement plate 17 drives the speaker body 18 to extend out of the box 1, and the first connecting column 13 drives the limit block 131 to rise vertically. When the limit block 131 rises vertically to the top of the slide groove 141, the limit block 131 drives the second connecting column 14 to rise vertically, so that the second connecting column 14 drives the roller 2 to extend into the box 1, and then the lower end of the box 1 contacts the ground, thereby increasing the stability of the box 1 and the speaker body 18 when they are placed, and avoiding the displacement of the roller 2 due to the vibration of the stage.

[0025] An annular groove 122 is formed at one end of the mounting plate 12 close to the placement plate 17, and a limiting ring 171 is fixedly connected to the other end of the placement plate 17 close to the mounting plate 12. The limiting ring 171 is rotatably connected to the annular groove 122 for limiting and supporting the placement plate 17, thereby increasing the stability of the speaker body 18 at the upper end of the placement plate 17.

[0026] Four through slots 103 are provided at the lower end of the box body 1, and the through slots 103 are respectively communicated with the second mounting slots 102. A connecting plate 15 is fixedly connected to the side wall of the second connecting column 14 close to one end of the roller 2. The connecting plate 15 is slidably connected to the side wall of the second mounting slot 102, and is used to limit the roller 2 so that the roller 2 can be vertically raised or lowered in the second mounting slot 102 to avoid shaking and to avoid jamming when the roller 2 extends out of or into the through slot 103.

[0027] A rubber plate 19 is fixedly connected to the lower end of the box body 1 to increase the friction between the lower end of the box body 1 and the placement surface to prevent the box body 1 from sliding.

[0028] The length of the electric push rod 11 when it is retracted to the shortest is equal to the length of the second connecting column 14, so that when the speaker body 18 is retracted to the lower end of the box body 1, the roller 2 can slide out of the through slot 103, so that the lower end of the box body 1 is away from the placement surface.

[0029] The sum of the lengths of the second connecting column 14 and the first connecting column 13 is smaller than the height of the second mounting groove 102 , so that when the speaker body 18 extends out of the box body 1 to the highest point, the roller 2 is fully extended into the box body 1 .

[0030] Working principle: First, start the electric push rod 11, which drives the mounting plate 12 to rise vertically. The mounting plate 12 drives the first connecting column 13 and the motor 16 to rise vertically at the same time. The motor 16 drives the placement plate 17 to rise vertically. The placement plate 17 drives the speaker body 18 to extend out of the box 1, and the first connecting column 13 drives the limit block 131 to rise vertically. When the limit block 131 rises vertically to the top of the slide groove 141, the limit block 131 drives the second connecting column 14 to rise vertically. The second connecting column 14 drives the roller 2 to extend into the box 1, and then the lower end of the box 1 contacts the ground. The rubber plate 19 is used to increase the friction between the lower end of the box 1 and the placement surface to prevent the box 1 from sliding, increase the stability of the box 1 and the speaker body 18 when placed, and avoid displacement of the roller 2 due to the vibration of the stage.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting sound box for stage, comprising a box body (1), characterized in that: The box body (1) is provided with a first mounting groove (101) inside, and four second mounting grooves (102) are provided inside the box body (1). The first mounting groove (101) and the second mounting grooves (102) are communicated with each other. An electric push rod (11) is fixedly connected to the bottom wall of the box body (1). The output end of the electric push rod (11) is fixedly connected to a mounting plate (12). Four limiting plates (121) are fixedly connected to the side wall of the mounting plate (12). The limiting plates (121) are respectively slidably connected to the second mounting grooves (102). The lower end of the limiting plate (121) is fixedly connected to a first connecting column (13). One end of the first connecting column (13) away from the limiting plate (121) is fixedly connected to the side wall of the mounting plate (12). A limit block (131) is fixedly connected, a second connection column (14) is arranged at the lower end of the first connection column (13), a slide groove (141) is provided at one end of the second connection column (14) close to the first connection column (13), the limit block (131) is slidably connected to the side wall of the slide groove (141), a roller (2) is fixedly connected to the lower end of the second connection column (14), a motor (16) is fixedly connected inside the mounting plate (12), a placement plate (17) is fixedly connected to the output end of the motor (16), a speaker body (18) is fixedly connected to the end of the placement plate (17) away from the motor (16), and a box cover (3) is fixedly connected to the upper end of the speaker body (18).

2. The stage liftable sound box according to claim 1, characterized in that: An annular groove (122) is formed at one end of the mounting plate (12) close to the placement plate (17); a limiting ring (171) is fixedly connected to one end of the placement plate (17) close to the mounting plate (12); and the limiting ring (171) is rotatably connected to the annular groove (122).

3. The stage liftable sound box according to claim 1, characterized in that: The lower end of the box body (1) is provided with four through slots (103), the through slots (103) are respectively connected to the second mounting slots (102), and the side wall of the second connecting column (14) close to one end of the roller (2) is fixedly connected with a connecting plate (15), and the connecting plate (15) is slidably connected to the side wall of the second mounting slot (102).

4. The stage liftable sound box according to claim 1, characterized in that: A rubber plate (19) is fixedly connected to the lower end of the box body (1).

5. The stage liftable sound box according to claim 1, characterized in that: The length of the electric push rod (11) when it is contracted to its shortest position is equal to the length of the second connecting column (14).

6. The stage liftable sound box according to claim 1, characterized in that: The sum of the lengths of the second connecting column (14) and the first connecting column (13) is less than the height of the second mounting groove (102).

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