Air floating type passive sound insulation and shock absorption table
Through the design of the air-floating passive sound-insulating shock absorbing platform, the use of detachable cylinders and sound-insulating covers solves the problem that traditional devices cannot eliminate vibration and noise, and achieves isolation from external vibration and internal noise, improving the comfort and shock absorption effect of precision instruments.
Patent Information
- Application Number
- CN202422035456.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-21
AI Technical Summary
Traditional passive vibration isolation devices cannot effectively eliminate all external vibration effects, and lack sound insulation measures, resulting in noise generated by precision instruments during high-intensity operation, affecting the comfort of use.
The air-floating passive sound-insulating shock absorbing table is adopted, including an inflatable passive shock absorbing table and a sound-insulating cover made of sheet metal. The floating and height adjustment of the marble table is achieved through the detachable cylinder and air-path control structure, and sound-insulating materials are pasted in the sound-insulating cover to isolate noise.
It realizes effective isolation of external vibration and internal noise, improves the comfort and shock absorption of precision instruments, and reduces costs.
Smart Images
Figure CN223120494U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of shock absorption, and particularly relates to an air-floating passive sound insulation and shock absorption table. Background Art
[0002] In order to rapidly attenuate the vibration of a precision instrument for shock absorption and thus improve the smoothness and comfort of the staff using the precision instrument, at present, passive vibration isolation devices are mainly used for the shock absorption of precision instruments, and springs and dampers are applied to isolate the influence of object vibration on the instrument.
[0003] Since the traditional passive vibration isolation device can only weaken the external vibration interference above a certain frequency, and theoretically, it is impossible to eliminate the influence of all external vibrations. In addition, after the external vibration disappears, due to the underdamped characteristic of the spring vibration isolation system, there will be residual oscillation in the system. The traditional passive vibration isolation device lacks corresponding sound insulation measures, so that certain noise will be generated when the precision instrument operates at a high intensity. Problems such as vibration and noise affect the comfort of use and need to be further improved. Summary of the Utility Model
[0004] The utility model provides an air-floating passive sound insulation and shock absorption table to achieve better isolation of external rocking vibration and internal noise.
[0005] To solve the above problems, the technical solutions provided by the utility model are as follows:
[0006] An embodiment of the utility model provides an air-floating passive sound insulation and shock absorption table, which includes an inflatable passive shock absorption table and a sound insulation cover (1) fixed on the inflatable passive shock absorption table. The sound insulation cover (1) is made of sheet metal, and sound insulation materials are pasted inside the sound insulation cover (1).
[0007] The inflatable passive shock absorption table includes a marble table (4) and a base (2). Four detachable cylinders and two support members are arranged between the base (2) and the marble table (4); the four detachable cylinders are connected with a four-cylinder gas circuit control structure, and the four-cylinder gas circuit control structure is used to adjust the height of the four detachable cylinders.
[0008] Among them, the four detachable cylinders are a first cylinder (5), a second cylinder (6), a third cylinder (7), and a fourth cylinder (8). The first cylinder (5), the second cylinder (6), the third cylinder (7), and the fourth cylinder (8) are located at four corners of the top surface of the base (2).
[0009] The 4-cylinder air circuit control structure includes a first air pipe (9-1), a second air pipe (9-2), and a third air pipe (9-3). The first air pipe (9-1) is connected to the vent pipe (9-4) through a joint (9-8) and an oil-water filter pressure regulator (9-11); the first air pipe (9-1) is connected to the second air pipe (9-2) through a first height regulating valve (9-5) and a joint (9-8). The outer air chambers of the first cylinder (5) and the second cylinder (6) are respectively connected to both ends of the second air pipe (9-2). The third air pipe (9-3) is connected to the first air pipe (9-1) through a joint (9-8). One end of the third air pipe (9-3) is connected to the outer air chamber of the third cylinder (7) through a second height regulating valve (9-6), and the other end of the third air pipe (9-3) is connected to the outer air chamber of the fourth cylinder (8) through a third height regulating valve (9-7).
[0010] According to an optional embodiment of the present invention, the two support members are a first boss (3-1) and a second boss (3-2). The first boss (3-1) is located between the first cylinder (5) and the fourth cylinder (8), and the second boss (3-2) is located between the second cylinder (6) and the third cylinder (7).
[0011] According to an optional embodiment of the present invention, four AGV guide wheels (2-1) are provided at the bottom of the base (2).
[0012] According to an optional embodiment of the present invention, speed regulating valves (9-9) and switch valves (9-10) are provided on the pipe sections of the second air pipe (9-2) and the third air pipe (9-3) close to the cylinders.
[0013] According to an optional embodiment of the present invention, the first cylinder (5), the second cylinder (6), the third cylinder (7), and the fourth cylinder (8) have the same structure, and each includes a cylinder housing (10). An inner air chamber (13) and an outer air chamber (12) located outside the inner air chamber (13) are provided inside the cylinder housing (10); a sleeve (15) is provided inside the inner air chamber (13), a support rod (17) is provided inside the sleeve (15), and the support rod (17) is fixed to the bottom of the sleeve (15) through an elastic pad (18); a plurality of limiting structures (16) are provided on the sleeve (15); a clamping structure (11) is provided on the inner air chamber (13), and the inner air chamber (13) is communicated with the outer air chamber (12) through a damping hole (14).
[0014] At the top opening of the inner air chamber (13), a rubber bowl (19) is provided. Inside the rubber bowl (19), an inner air chamber rubber bowl pressing member (20) is provided, and the inner air chamber rubber bowl pressing member (20) is sleeved on the top of the sleeve (15); on the top of the cylinder housing (10), a rubber bowl tightening ring (21) and a support plate (22) located on the rubber bowl tightening ring (21) are provided. An anti-collision pad (23) is provided between the rubber bowl tightening ring (21) and the support plate (22), and the top of the support rod (17) is connected to the central circular hole of the support plate (22).
[0015] Compared with the prior art, the embodiment of the present utility model provides an air-floating passive sound insulation and shock absorption table, which has the following beneficial effects: (1). The inflatable passive shock absorption table is lifted by 4 detachable cylinders. After the marble table floats, the height of the marble table is adjusted by three height adjusting valves to make the marble table self-balanced; compared with other shock absorption methods, the 4 detachable cylinders can reduce the vibration transmitted to the marble table, which is convenient and practical. Therefore, the inflatable passive shock absorption table has low cost and good shock absorption effect. (2). The sound insulation cover (1) is made of sheet metal, and sound insulation materials are pasted inside the sound insulation cover. The sound insulation cover can highly isolate the noise generated by the inflatable passive shock absorption table and improve the comfort of using the shock absorption table. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0017] Figure 1 It is a schematic structural diagram of an air-floating passive sound insulation and shock absorption table provided by an embodiment of the present application.
[0018] Figure 2 It is a schematic structural diagram of an inflatable passive shock absorption table provided by an embodiment of the present application.
[0019] Figure 3 It is a partial schematic structural diagram of an inflatable passive shock absorption table provided by an embodiment of the present application.
[0020] Figure 4 It is a schematic structural diagram of a 4-cylinder air circuit control of an inflatable passive shock absorption table provided by an embodiment of the present application.
[0021] Figure 5 It is a schematic structural diagram of a detachable cylinder of an inflatable passive shock absorption table provided by an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
[0023] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, an embodiment of the present utility model provides an air-floating passive sound insulation and shock absorption table, which includes an inflatable passive shock absorption table and a sound insulation cover 1 fixed on the inflatable passive shock absorption table. The sound insulation cover 1 is made of sheet metal, and a sound insulation material is pasted inside the sound insulation cover 1. The sound insulation cover 1 can highly isolate the noise generated by the inflatable passive shock absorption table.
[0024] The inflatable passive shock absorption table includes a marble table 4 and a base 2. Four detachable cylinders and two support members are arranged between the base 2 and the marble table 4; the four detachable cylinders are connected with a four-cylinder gas circuit control structure, and the four-cylinder gas circuit control structure is used to adjust the height of the four detachable cylinders.
[0025] Among them, the four detachable cylinders are a first cylinder 5, a second cylinder 6, a third cylinder 7 and a fourth cylinder 8, and the first cylinder 5, the second cylinder 6, the third cylinder 7 and the fourth cylinder 8 are located at the four corners of the top surface of the base 2. Four AGV guide wheels 2-1 are arranged at the bottom of the base 2.
[0026] Figure 4 Combined with Figure 3 , the four-cylinder gas circuit control structure includes a first air pipe 9-1, a second air pipe 9-2, and a third air pipe 9-3. The first air pipe 9-1 is connected to a ventilation pipe 9-4 through a joint 9-8 and an oil-water filtration pressure regulating valve 9-11; the first air pipe 9-1 is connected to the second air pipe 9-2 through a first height regulating valve 9-5 and a joint 9-8, and the outer air chambers of the first cylinder 5 and the second cylinder 6 are respectively connected to both ends of the second air pipe 9-2; the third air pipe 9-3 is connected to the first air pipe 9-1 through a joint 9-8. One end of the third air pipe 9-3 is connected to the outer air chamber of the third cylinder 7 through a second height regulating valve 9-6, and the other end of the third air pipe 9-3 is connected to the outer air chamber of the fourth cylinder 8 through a third height regulating valve 9-7. Speed regulating valves 9-9 and switch valves 9-10 are arranged on the pipe sections of the second air pipe 9-2 and the third air pipe 9-3 close to the cylinders.
[0027] The two support members are a first boss 3-1 and a second boss 3-2. The first boss 3-1 is located between the first cylinder 5 and the fourth cylinder 8, and the second boss 3-2 is located between the second cylinder 6 and the third cylinder 7.
[0028] As Figure 3 and Figure 5 shown, the structures of the first cylinder 5, the second cylinder 6, the third cylinder 7 and the fourth cylinder 8 are the same, and each includes a cylinder housing 10. An inner air chamber 13 and an outer air chamber 12 located outside the inner air chamber 13 are provided inside the cylinder housing 10; a sleeve 15 is provided inside the inner air chamber 13, a support rod 17 is provided inside the sleeve 15, and the support rod 17 is fixed to the bottom of the sleeve 15 through an elastic pad 18; a plurality of limiting structures 16 are provided on the sleeve 15; a clamping structure 11 is provided on the inner air chamber 13, and the inner air chamber 13 communicates with the outer air chamber 12 through a damping hole 14.
[0029] A rubber bowl 19 is provided at the top opening of the inner air chamber 13. An inner air chamber rubber bowl pressing member 20 is provided inside the rubber bowl 19, and the inner air chamber rubber bowl pressing member 20 is sleeved on the top of the sleeve 15; a rubber bowl tightening ring 21 and a support plate 22 located on the rubber bowl tightening ring 21 are provided on the top of the cylinder housing 10. An anti-collision pad 23 is provided between the rubber bowl tightening ring 21 and the support plate 22, and the top of the support rod 17 is connected to the central circular hole of the support plate 22.
[0030] Above, for the 4 detachable cylinders of the inflatable passive shock-absorbing table, after the external air source inflates the first air pipe through the air pipe, the first to fourth cylinders are then inflated. The air enters from the outer air chamber into the inner air chamber. After the air pressure in the inner air chamber increases, the rubber bowl deforms, driving the sleeve to rise, thereby lifting the marble table. After the marble table floats, the height of the marble table is adjusted by three height adjusting valves to make the marble table self-balanced; the sound insulation cover isolates the noise generated by the inflatable passive shock-absorbing table. This air-floating passive sound insulation and shock-absorbing table achieves a better isolation effect on external shaking vibrations and internal noise, improving the comfort of using the shock-absorbing table.
[0031] In summary, although the present utility model has been disclosed above with preferred embodiments, the above preferred embodiments are not intended to limit the present utility model. Those of ordinary skill in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the claims.
Claims
1. An air-floating passive sound insulation and shock absorption table, characterized in that, It includes an inflatable passive shock-absorbing table and a sound-insulating cover (1) fixed on the inflatable passive shock-absorbing table. The sound-insulating cover (1) is made of sheet metal and is lined with sound-insulating materials inside. The inflatable passive shock-absorbing table includes a marble table (4) and a base (2). There are 4 detachable cylinders and 2 support members arranged between the base (2) and the marble table (4); the 4 detachable cylinders are connected to a 4-cylinder gas circuit control structure, and the 4-cylinder gas circuit control structure is used to adjust the height of the 4 detachable cylinders. Among them, the 4 detachable cylinders are the first cylinder (5), the second cylinder (6), the third cylinder (7), and the fourth cylinder (8). The first cylinder (5), the second cylinder (6), the third cylinder (7), and the fourth cylinder (8) are located at the 4 corners of the top surface of the base (2). The 4-cylinder gas circuit control structure includes a first air pipe (9-1), a second air pipe (9-2), and a third air pipe (9-3). The first air pipe (9-1) is connected to a ventilation pipe (9-4) through a joint (9-8) and an oil-water filter pressure regulating valve (9-11); the first air pipe (9-1) is connected to the second air pipe (9-2) through a first height regulating valve (9-5) and a joint (9-8). The outer air chambers of the first cylinder (5) and the second cylinder (6) are respectively connected to both ends of the second air pipe (9-2). The third air pipe (9-3) is connected to the first air pipe (9-1) through a joint (9-8). One end of the third air pipe (9-3) is connected to the outer air chamber of the third cylinder (7) through a second height regulating valve (9-6), and the other end of the third air pipe (9-3) is connected to the outer air chamber of the fourth cylinder (8) through a third height regulating valve (9-7).
2. The air-floating passive sound insulation and shock absorption table according to claim 1, wherein The 2 support members are a first convex platform (3-1) and a second convex platform (3-2). The first convex platform (3-1) is located between the first cylinder (5) and the fourth cylinder (8), and the second convex platform (3-2) is located between the second cylinder (6) and the third cylinder (7).
3. The air-floating passive sound insulation and shock absorption table according to claim 2, characterized in that, Four AGV guide wheels (2-1) are arranged at the bottom of the base (2).
4. The air-floating passive sound insulation and shock absorption table according to claim 1, characterized in that Speed regulating valves (9-9) and switch valves (9-10) are arranged on the pipe segments of the second air pipe (9-2) and the third air pipe (9-3) close to the cylinders.
5. The air-floating passive sound insulation and shock absorption table according to claim 1, characterized in that The first cylinder (5), the second cylinder (6), the third cylinder (7), and the fourth cylinder (8) have the same structure and each includes a cylinder housing (10). An inner air chamber (13) and an outer air chamber (12) located outside the inner air chamber (13) are arranged inside the cylinder housing (10); a sleeve (15) is arranged inside the inner air chamber (13), a support rod (17) is arranged inside the sleeve (15), and the support rod (17) is fixed to the bottom of the sleeve (15) through an elastic pad (18); a plurality of limiting structures (16) are arranged on the sleeve (15); a clamping structure (11) is arranged on the inner air chamber (13), and the inner air chamber (13) is communicated with the outer air chamber (12) through a damping hole (14). At the top opening of the inner air chamber (13), a rubber bowl (19) is provided. Inside the rubber bowl (19), an inner air chamber rubber bowl pressing member (20) is provided, and the inner air chamber rubber bowl pressing member (20) is sleeved on the top of the sleeve (15); on the top of the cylinder housing (10), a rubber bowl tightening ring (21) and a support plate (22) located on the rubber bowl tightening ring (21) are provided. An anti-collision pad (23) is provided between the rubber bowl tightening ring (21) and the support plate (22), and the top of the support rod (17) is connected to the central circular hole of the support plate (22).