Hydraulic vibration-damping sound box foot stool

Abstract

The utility model discloses a hydraulic vibration-damping sound box foot stand which comprises a base, a stand column is arranged at the top of the base, a top plate is arranged at the top of the stand column, and a sound box seat is arranged at the top of the top plate. A hydraulic device is arranged in the stand column, a hydraulic rod of the hydraulic device upwards stretches out of the top plate to be fixedly connected with the sound box base, and the sound box base moves up and down through the hydraulic device. Vibration buffering foot nails are vertically arranged at the four corners of the base, penetrate through the base and extend out of the bottom of the base from the top of the base. Compared with the prior art, the utility model has the advantages that the structure is simple, and the use is convenient; the hydraulic device absorbs vertical vibration, the vibration buffering foot nails block ground vibration, and resonance is eliminated through double mechanisms; the problem of uneven ground is solved through adjustable foot nails, and levelness is ensured; the non-slip mat prevents the sound box from sliding; the carbon steel stand columns and the base balancing weights improve the structural strength and the anti-overturning capacity, and the sound field positioning precision is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound equipment technical field, concretely is a kind of hydraulic vibration damping speaker stand. BACKGROUND

[0002] In sound system, the damping performance of speaker stand directly affects tone performance, especially when playing large dynamic music (such as symphony), the strong airflow generated by bass unit can cause irregular vibration of speaker, and further cause sound field deviation, positioning error and other problems.

[0003] Traditional damping method, most of the stand adopts rubber pad or spring structure damping, but such structure has limited low-frequency vibration absorption capacity, cannot effectively suppress large dynamic vibration transmission, and is prone to resonance.

[0004] At present, there are some damping sound stand on the market, whether single column or multiple columns, most of them adopt welding or screw fixing mode, which is limited for vibration absorption. There are also fixed spikes, but they cannot adapt to uneven ground, making it difficult to adjust the levelness of the stand. The existing design lacks counterweight optimization, resulting in insufficient overall anti-overturning capacity of the stand, affecting the stability of sound field.

[0005] Therefore, a hydraulic vibration damping speaker stand needs to be studied. INVENTION CONTENTS

[0006] The utility model aims at solving the problems mentioned in the background art, and provides a hydraulic vibration damping speaker stand, which absorbs speaker vibration through a hydraulic device, cooperates with adjustable damping spikes and counterweight structure, solves the resonance problem and improves the positioning accuracy of sound field.

[0007] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a hydraulic vibration damping speaker stand, comprising a base, a stand column is arranged on the top of the base, a top plate is arranged on the top of the stand column, and a sound seat is arranged on the top of the top plate;

[0008] A hydraulic device is arranged in the stand column, the hydraulic rod of the hydraulic device extends upward out of the top plate and is fixedly connected with the sound seat, and the sound seat moves up and down through the hydraulic device.

[0009] Damping spikes are vertically arranged at the four corners of the base, the damping spikes penetrate through the base and extend from the top of the base to the bottom of the base.

[0010] As a preferred scheme, the size of the sound seat is smaller than the size of the base.

[0011] As a preferred scheme, the number of stand columns and hydraulic rods is 4.

[0012] As a preferred scheme, the material of the stand column is carbon steel square tube.

[0013] As a preferred solution, the top of the sound seat is provided with a non-slip pad for fixing the sound equipment and preventing it from sliding.

[0014] As a preferred solution, the height of the shock absorbing foot nail is adjustable for adjusting the levelness on uneven ground.

[0015] As a preferred solution, the inside of the base is provided with a counterweight for increasing the stability of the foot stand.

[0016] The utility model has the advantages of simple structure, convenient use, hydraulic device absorbing vertical vibration, shock absorbing foot nail blocking ground vibration, double mechanism eliminating resonance, adjustable foot nail solving ground unevenness problem, ensuring levelness, non-slip pad preventing sound box from sliding, carbon steel column and base counterweight improving structural strength and anti-overturning ability, and guaranteeing sound field positioning precision. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] Figure 2 It is the side view of the sound seat of the utility model.

[0019] As shown in the figure: 1, base, 2, column, 3, top plate, 4, sound seat, 5, hydraulic rod, 6, shock absorbing foot nail. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, and obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the way or the original part must have a specific orientation, structure and operation, therefore, cannot be understood as the limitation of the utility model. In addition, "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is to be explained that, unless there is definite stipulation and limitation, belonging to "installation", "link", "connection" should be broad sense understanding, for example, can make fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be point connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In combination with the drawings, a hydraulic vibration damping speaker stand, including base 1, the top of base 1 is equipped with stand 2, the top of stand 2 is equipped with top plate 3, and the top of top plate 3 is equipped with sound seat 4;

[0024] The inside of stand 2 is equipped with hydraulic device, and the hydraulic rod 5 of hydraulic device extends upwards and is fixedly connected with sound seat 4 on top plate 3, and sound seat 4 moves up and down through hydraulic device;

[0025] The four corners of base 1 are vertically equipped with vibration damping foot nails 6, vibration damping foot nails 6 penetrate through base 1, and extend from the top of base 1 to the bottom of base 1.

[0026] The size of sound seat 4 is less than the size of base 1.

[0027] The number of stand 2 and hydraulic rod 5 is 4.

[0028] The material of stand 2 is carbon steel square tube.

[0029] The top of sound seat 4 is equipped with non-slip pad, which is used for fixing sound equipment and preventing it from sliding.

[0030] The height of vibration damping foot nail 6 is adjustable, which is used for adjusting the levelness on uneven ground.

[0031] The inside of base 1 is equipped with counterweight, which is used for increasing the stability of stand.

[0032] The utility model in specific implementation, can refer to the following:

[0033] Structural parameters:

[0034] The size of base is 400mm*400mm, and the built-in 10kg cast iron counterweight.

[0035] The stand adopts 50mm*50mm carbon steel square tube, the height is 600mm, and the wall thickness is 3mm.

[0036] The stroke of hydraulic rod in hydraulic device is 30mm, and the viscosity of hydraulic oil is ISO VG68.

[0037] The vibration damping foot nail is stainless steel material, and the adjustment range is ±10mm.

[0038] The hydraulic device is a double-acting hydraulic cylinder, and oil inlet cavities and oil return cavities are symmetrically arranged in the hydraulic device, and the lifting speed of the hydraulic rod is controlled by an external oil pump. The hydraulic device is externally connected with a manual control valve, and the manual control valve is arranged on the side surface of the base and is used for adjusting the stroke of the hydraulic rod and locking the height. The surface of the hydraulic rod is plated with a wear-resistant coating, and a shock-absorbing rubber pad is arranged between the end of the hydraulic rod and the sound box, and is used for buffering the impact in the vertical direction. A pressure sensor is integrated in the hydraulic device, and when the load exceeds a set threshold value, a pressure relief valve is automatically triggered to prevent system overload. High-viscosity damping oil is filled in the oil circuit system of the hydraulic device, so as to enhance the damping effect and reduce the lifting noise. A detachable flange plate is arranged at the connection position of the hydraulic rod and the top plate, so that the hydraulic device can be maintained or replaced. The shell of the hydraulic device is made of aluminum alloy, and the surface of the shell is provided with heat dissipation fins, so as to improve the heat dissipation efficiency of the hydraulic system.

[0039] Working principle: when the sound box works, vibration is transmitted to the sound box, the hydraulic rod is pressed to sink, and the hydraulic oil passes through the narrow hole to generate damping, so that the vibration energy is converted into heat energy and dissipated. The ground vibration is blocked by the elastic contact surface (such as a rubber pad) of the damping foot nail, and the transmission upward is reduced. The height of the foot nail is adjusted to keep the foot stand horizontal, the counterweight reduces the center of gravity, and the shaking is prevented.

[0040] Assembly process:

[0041] The base and the stand are welded and fixed, and the hydraulic device and the hydraulic rod are installed.

[0042] The top plate is connected with the hydraulic rod through bolts, and the sound box is fixed to the top plate after being bonded with a non-slip pad.

[0043] The damping foot nail is screwed into the threaded holes in the four corners of the base, and is adjusted to be horizontal according to the ground height.

[0044] The above describes the utility model and its implementation mode, which is not limited, and the drawings shown are only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A hydraulic shock absorbing speaker stand comprising a base, characterised in that: The top of the base is provided with a stand, the top of the stand is provided with a top plate, and the top of the top plate is provided with a sound seat; The inside of the stand is provided with a hydraulic device, the hydraulic rod of the hydraulic device extends upward out of the top plate, and the sound seat is fixedly connected with the hydraulic device; the sound seat moves up and down through the hydraulic device; Vertical damping foot nails are arranged at the four corners of the base, the damping foot nails penetrate the base, and extend from the top of the base to the bottom of the base.

2. The hydraulic shock absorbing speaker stand of claim 1, wherein: The size of the sound seat is smaller than that of the base.

3. The hydraulic shock absorbing speaker stand of claim 1, wherein: The number of the stand and the hydraulic rod is 4.

4. The hydraulic shock exchangeable speaker stand of claim 1, wherein: The material of the stand is carbon steel square tube.

5. The hydraulic shock exchangeable speaker stand of claim 1, wherein: The top of the sound seat is provided with a non-slip pad for fixing the sound equipment and preventing it from sliding.

6. The hydraulic shock exchangeable speaker stand of claim 1, wherein: The height of the damping foot nail is adjustable, which is used for adjusting the levelness on uneven ground.

7. The hydraulic shock exchangeable speaker stand of claim 1, wherein: The inside of the base is provided with a counterweight for increasing the stability of the stand.

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