Novel acoustic resistance anti-vibration pad

Abstract

The utility model provides a novel acoustic resistance anti-vibration pad which comprises a pressure-bearing base, a basic rubber pad is connected to the outer wall of the top of the pressure-bearing base, an acoustic resistance air bag assembly is arranged at the joint of the pressure-bearing base and the basic rubber pad, a blocking protection layer assembly is arranged on the outer wall of the basic rubber pad, and the acoustic resistance air bag assembly comprises an inner groove formed in the pressure-bearing base. An air bag is arranged in the inner groove, a pressure-bearing bottom plate is arranged on the inner wall, located above the air bag, of the inner groove, and the end, penetrating through the interior of the inner groove, of the basic rubber mat is fixedly connected with the outer wall of the top of the pressure-bearing bottom plate. According to the anti-vibration pad, the acoustic resistance air bag assembly is arranged, the anti-vibration pad is composed of the pressure-bearing base and the basic rubber pad on the top, in the using process of the anti-vibration pad, an air pump can be controlled to work to input compressed air into an air bag, the air bag is inflated and expands to support the pressure-bearing bottom plate in the inner groove, and the cushioning capacity of the anti-vibration pad is improved; and the anti-vibration pad has a good acoustic resistance effect due to the filling arrangement of the internal air bag.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration damping pads, in particular to a novel sound-resistance vibration damping pad. Background Art

[0002] Acoustic damping pads are a vibration and noise reduction technology based on energy principles, phonon damping technology and composite structural characteristics. In the field of engineering, the essence of the vibration and noise (micro-vibration) felt by people is the secondary structural response generated by the propagation of elastic waves in the medium. When this type of elastic wave passes through the acoustic damping pad, the wave will reflect and refract, and the damping energy dissipation mechanism of the vibration damping pad is combined to achieve the functions of vibration reduction and noise reduction. The application scope of the vibration damping pad includes: rail transit TOD development, vibration and noise treatment of industrial and civil machinery and equipment, environmental vibration control of medical equipment (MRI, etc.), sound insulation and vibration isolation of indoor equipment, etc. In patent: CN 211778702U, an elastic vibration damping pad is disclosed, which includes a vibration damping pad body, a closed enclosure is provided on the outer edge of the vibration damping pad body, and the upper and lower ends of the enclosure are respectively higher than the upper and lower ends of the vibration damping pad body, and at least one connecting column is provided on the vibration damping pad body, and a through hole is provided on the connecting column that penetrates its upper and lower ends, and a spring is provided inside the connecting column, and the upper and lower ends of the connecting column are respectively higher than the upper and lower ends of the vibration damping pad body.

[0003] However, the existing vibration damping pads on the market have a relatively simple structure and do not have a good acoustic resistance effect. In addition, the vibration damping pads are easily damaged by oxidation fatigue when exposed to sunlight for a long time during use, and they do not have good waterproof properties, which affects the service life of the vibration damping pads. Therefore, we have made improvements to this and proposed a new type of acoustic damping vibration damping pad. Utility Model Content

[0004] The purpose of the utility model is to address the problems that the existing vibration damping pads do not have good sound resistance, are exposed to sunlight for a long time during use, are easily damaged by oxidation fatigue, and do not have good waterproof properties, which affects the service life of the vibration damping pads.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] New sound-absorbing and vibration-damping pads are used to improve the above problems.

[0007] The specific application is as follows:

[0008] It comprises a pressure-bearing base, the top outer wall of the pressure-bearing base is connected with a basic rubber pad, a sound-blocking airbag assembly is arranged at the connection between the pressure-bearing base and the basic rubber pad, and a barrier protection layer assembly is arranged on the outer wall of the basic rubber pad.

[0009] As a preferred technical solution of the present application, the sound-resistance airbag assembly includes an inner groove opened inside the pressure-bearing base, an airbag is arranged inside the inner groove, a pressure-bearing bottom plate is arranged on the inner wall of the inner groove above the airbag, one end of the basic rubber pad passes through the inner groove and is fixedly connected to the top outer wall of the pressure-bearing bottom plate, an electric control groove is opened on the outer wall on one side of the top of the pressure-bearing base, an air pump is installed on the outer wall on one side of the electric control groove, the pump end of the air pump is connected to a pump air pipe, and one end of the pump air pipe is connected to the air inlet end of the airbag, the outer walls on both sides of the airbag are connected with air blowing pipes, and a pressure relief valve is installed on the end of the air blowing pipe.

[0010] As a preferred technical solution of the present application, the barrier protection layer assembly includes an adhesive layer arranged on the bottom outer wall of the base rubber pad, a reinforcing woven layer is arranged on the middle inner wall of the adhesive layer, and an antioxidant isolation layer, an anti-ultraviolet isolation layer and a PU film are sequentially arranged on the top outer wall of the base rubber pad.

[0011] As a preferred technical solution of the present application, the reinforcing braided layer is woven by glass fiber wires and memory fiber wires.

[0012] As a preferred technical solution of the present application, a battery is installed on the bottom inner wall of the electric control tank, and flexible photovoltaic panels are bonded to the outer walls on both sides of the pressure base. The electrical output end of the flexible photovoltaic panel is connected to the electrical input end of the battery, and the electrical output end of the battery is connected to the electrical input end of the air pump.

[0013] As a preferred technical solution of the present application, a cover plate is snap-fitted onto the top outer wall of the electric control tank, and an air filter element is connected to the air suction end of the air pump.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the scheme of this application:

[0016] 1. Through the setting of the acoustic resistance airbag assembly, the pressure-bearing base and the basic rubber pad on the top, the air pump can be controlled to input compressed air into the airbag during the use of the vibration damping pad. The airbag is inflated to support the pressure-bearing bottom plate in the inner groove, thereby improving the shock-absorbing ability of the vibration damping pad. The filling setting of the internal airbag makes the vibration damping pad have a good acoustic resistance effect;

[0017] 2. By setting up the barrier protection layer component and the reinforcing woven layer inside the vibration damping pad, the strength of the vibration damping pad is improved and the service life of the vibration damping pad is increased. The anti-oxidation isolation layer and the anti-ultraviolet isolation layer are arranged on the surface of the vibration damping pad. The anti-oxidation isolation layer and the anti-ultraviolet isolation layer are one or more light isolation film structures, which reflect the sunlight, thereby achieving the anti-oxidation and anti-ultraviolet effect of the vibration damping pad and increasing the service life of the vibration damping pad. The setting of the PU film on the outside of the vibration damping pad makes the vibration damping pad waterproof.

[0018] 3. The weaving of the glass fiber wire in the reinforced woven layer of the vibration damping pad improves the firmness of the vibration damping pad. The memory fiber wire enables the vibration damping pad to have the ability to extend and reset, improves the fatigue resistance of the vibration damping pad, and increases the service life of the vibration damping pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall three-dimensional structure of the new acoustic damping and vibration reduction pad provided in this application;

[0020] Figure 2 A schematic diagram of a three-dimensional cross-section structure of a novel acoustic damping and vibration reduction pad provided in this application;

[0021] Figure 3 This is an enlarged view of the structure of area A in the new acoustic damping and vibration reduction pad provided in this application;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the reinforced braided layer in the new acoustic damping and vibration reduction pad provided in the present application;

[0023] Figure 5 This is an enlarged structural diagram of area B in the new acoustic damping and vibration reduction pad provided in this application.

[0024] Indicated in the figure:

[0025] 1. Pressure base; 2. Basic rubber pad; 3. Sound-blocking airbag assembly; 4. Barrier protection layer assembly; 5. Battery; 6. Flexible photovoltaic panel; 7. Cover plate; 8. Air filter element;

[0026] 301, inner tank; 302, air bag; 303, pressure-bearing bottom plate; 304, electric control tank; 305, air pump; 306, pump air pipe; 307, air blowing pipe; 308, pressure relief valve;

[0027] 401, adhesive layer; 402, reinforced woven layer; 403, antioxidant isolation layer; 404, anti-ultraviolet isolation layer; 405, PU film; 4021, glass fiber thread; 4022, memory fiber thread. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model 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 utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 This embodiment proposes a new type of sound-absorbing and vibration-damping pad, including a pressure-bearing base 1, the top outer wall of the pressure-bearing base 1 is connected to a basic rubber pad 2, a sound-absorbing airbag assembly 3 is arranged at the connection between the pressure-bearing base 1 and the basic rubber pad 2, and a barrier protection layer assembly 4 is arranged on the outer wall of the basic rubber pad 2.

[0034] As a preferred embodiment, on the basis of the above-mentioned method, further, the acoustic resistance airbag assembly 3 includes an inner groove 301 opened inside the pressure-bearing base 1, an airbag 302 is arranged inside the inner groove 301, a pressure-bearing bottom plate 303 is arranged on the inner wall of the inner groove 301 above the airbag 302, one end of the basic rubber pad 2 passes through the inner groove 301 and is fixedly connected to the top outer wall of the pressure-bearing bottom plate 303, an electric control groove 304 is opened on the outer wall of one side of the top of the pressure-bearing base 1, an air pump 305 is installed on the outer wall of one side of the electric control groove 304, and the pump air end of the air pump 305 is connected to the pump air pipe 3 06, and one end of the pump air pipe 306 is connected to the air inlet end of the airbag 302, the outer walls on both sides of the airbag 302 are connected with air blowing pipes 307, and the ends of the air blowing pipes 307 are installed with pressure relief valves 308. The new sound-absorbing vibration-damping pad is composed of a pressure-bearing base 1 and a basic rubber pad 2 on the top. During the use of the vibration-damping pad, the air pump 305 can be controlled to input compressed air into the interior of the airbag 302. The airbag 302 is inflated to support the pressure-bearing bottom plate 303 in the inner groove 301, thereby improving the shock-absorbing ability of the vibration-damping pad, and the filling setting of the internal airbag 302 makes the vibration-damping pad have good sound resistance effect.

[0035] As a preferred embodiment, on the basis of the above-mentioned method, further, the barrier protection layer assembly 4 includes an adhesive layer 401 arranged on the bottom outer wall of the base rubber pad 2, a reinforcing woven layer 402 is arranged on the middle inner wall of the adhesive layer 401, and an antioxidant isolation layer 403, an anti-ultraviolet isolation layer 404 and a PU film 405 are arranged on the top outer wall of the base rubber pad 2 in sequence. The setting of the reinforced woven layer 402 inside the base rubber pad 2 improves the strength of the vibration damping pad and improves the service life of the vibration damping pad. The antioxidant isolation layer 403 and the anti-ultraviolet isolation layer 404 are arranged on the surface of the base rubber pad 2. The antioxidant isolation layer 403 and the anti-ultraviolet isolation layer 404 are one or more light isolation film structures, which reflect sunlight, thereby achieving the anti-oxidation and anti-ultraviolet effect of the vibration damping pad, and improving the service life of the vibration damping pad; the setting of the PU film 405 outside the vibration damping pad makes the vibration damping pad waterproof.

[0036] As a preferred embodiment, on the basis of the above method, the reinforcing woven layer 402 is further woven by glass fiber wires 4021 and memory fiber wires 4022. The weaving of the glass fiber wires 4021 in the reinforcing woven layer 402 improves the firmness of the vibration damping pad, and the memory fiber wires 4022 enable the vibration damping pad to have the ability to extend and reset, thereby improving the fatigue resistance of the vibration damping pad and increasing the service life of the vibration damping pad.

[0037] As a preferred embodiment, on the basis of the above method, further, a battery 5 is installed on the bottom inner wall of the electric control tank 304, and flexible photovoltaic panels 6 are attached to the outer walls on both sides of the pressure base 1. The electrical output end of the flexible photovoltaic panel 6 is connected to the electrical input end of the battery 5, and the electrical output end of the battery 5 is connected to the electrical input end of the air pump 305. The flexible photovoltaic panel 6 on the outer wall of the pressure base 1 can generate photovoltaic power and charge the battery 5. The battery 5 supplies power to the air pump 305, which is beneficial to the operation of the acoustic resistance airbag assembly 3.

[0038] As a preferred embodiment, based on the above method, further, a cover plate 7 is snap-fitted and installed on the top outer wall of the electric control tank 304, and an air filter element 8 is connected to the suction end of the air pump 305, and the air suctioned by the air pump 305 is filtered through the air filter element 8.

[0039] Specifically, when the new sound-absorbing vibration-damping pad is working / in use: the new sound-absorbing vibration-damping pad is composed of a pressure-bearing base 1 and a base rubber pad 2 on the top. During the use of the vibration-damping pad, the air pump 305 can be controlled to input compressed air into the interior of the airbag 302. The airbag 302 is inflated to support the pressure-bearing bottom plate 303 in the inner groove 301, thereby improving the shock-absorbing ability of the vibration-damping pad. The filling setting of the internal airbag 302 makes the vibration-damping pad have a good sound-absorbing effect. The setting of the internal reinforcing woven layer 402 of the base rubber pad 2 improves the strength of the vibration-damping pad and increases the service life of the vibration-damping pad. The surface of the base rubber pad 2 is set The anti-oxidation isolation layer 403 and the anti-ultraviolet isolation layer 404 are one or more light isolation film structures, which reflect the sunlight, thereby achieving the anti-oxidation and anti-ultraviolet effects of the vibration damping pad, and improving the service life of the vibration damping pad; the setting of the PU film 405 on the outside of the vibration damping pad makes the vibration damping pad waterproof, the weaving of the glass fiber wire 4021 in the reinforced woven layer 402 improves the firmness of the vibration damping pad, and the memory fiber wire 4022 enables the vibration damping pad to have the ability to extend and reset, thereby improving the fatigue resistance of the vibration damping pad and improving the service life of the vibration damping pad.

[0040] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A new type of acoustic damping pad, characterized in that: The invention comprises a pressure-bearing base (1), the top outer wall of the pressure-bearing base (1) is connected to a base rubber pad (2), a sound-blocking airbag assembly (3) is arranged at the connection between the pressure-bearing base (1) and the base rubber pad (2), and a barrier protection layer assembly (4) is arranged on the outer wall of the base rubber pad (2).

2. The novel sound damping pad according to claim 1 is characterized in that: The acoustic resistance airbag assembly (3) comprises an inner groove (301) provided inside the pressure-bearing base (1), an airbag (302) being arranged inside the inner groove (301), a pressure-bearing bottom plate (303) being arranged on the inner wall of the inner groove (301) above the airbag (302), one end of the base rubber pad (2) penetrating the inner groove (301) being fixedly connected to the top outer wall of the pressure-bearing bottom plate (303), and the pressure-bearing base ( 1) is provided with an electric control slot (304) on one side outer wall of the top, an air pump (305) is installed on one side outer wall of the electric control slot (304), an air pump (305) is connected to an air pump pipe (306) at the air pump end of the air pump (305), and one end of the air pump pipe (306) is connected to the air inlet end of the air bag (302), and air blowing pipes (307) are connected to the outer walls on both sides of the air bag (302), and a pressure relief valve (308) is installed at the end of the air blowing pipe (307).

3. The novel sound damping pad according to claim 1 is characterized in that: The barrier protection layer assembly (4) comprises an adhesive layer (401) arranged on the bottom outer wall of the base rubber pad (2), a reinforcing woven layer (402) is arranged on the middle inner wall of the adhesive layer (401), and an anti-oxidation isolation layer (403), an anti-ultraviolet isolation layer (404) and a PU film (405) are arranged in sequence on the top outer wall of the base rubber pad (2).

4. The novel sound damping pad according to claim 3 is characterized in that: The reinforcing braided layer (402) is woven by glass fiber threads (4021) and memory fiber threads (4022).

5. The novel sound damping pad according to claim 2 is characterized in that: A storage battery (5) is installed on the inner wall of the bottom of the electric control tank (304), and flexible photovoltaic panels (6) are attached to the outer walls on both sides of the pressure-bearing base (1), the electrical output end of the flexible photovoltaic panel (6) is connected to the electrical input end of the storage battery (5), and the electrical output end of the storage battery (5) is connected to the electrical input end of the air pump (305).

6. The novel sound damping pad according to claim 2 is characterized in that: A cover plate (7) is mounted on the top outer wall of the electric control tank (304), and an air filter element (8) is connected to the air suction end of the air pump (305).

Images