Automatic air supply device of air damper

Abstract

An automatic air supply device of an air damper comprises a bearing device and an air spring, the bearing device comprises an upper pressing plate and a lower bearing plate, the lower end of the upper pressing plate is fixedly connected with an upper pressing seat, the upper portion of the lower bearing plate is fixedly provided with a lower bearing seat, and the air spring is located between the upper pressing seat and the lower bearing seat; notches are formed in the corresponding positions of the lower bearing seat and the lower bearing plate, a vent hole is formed in the lower end of the air spring, an inflation connector is installed on the vent hole, the lower end of the inflation connector is connected with an inflation pipe, and an automatic valve is installed on the inflation pipe. The air pressure value in the air spring can be monitored in real time, when the air pressure value drops below a preset value, the automatic valve is automatically opened, high-pressure air can be injected into the air spring, and the automatic valve is closed after the appropriate air pressure is reached.

Description

Technical Field

[0001] The utility model relates to the technical field of large-scale mechanical shock absorbing equipment, more specifically to an automatic air supply device for an air shock absorber. Background Art

[0002] Air shock absorber is an elastic element composed of air chamber, rubber elastic diaphragm and support plate. It is a closed container with air inflated inside, which uses the change of internal energy of air to achieve seismic isolation. It has reasonable structure, wide bearing capacity and good air tightness. It is suitable for vibration equipment. Such as vibration isolation of fans, water pumps, vacuum pumps, air compressors, refrigeration compressor units, air conditioning units, general equipment, etc.

[0003] Air shock absorbers are widely used in large-scale mechanical equipment, but they have certain disadvantages in current use. Due to the rigid connection between the top plate and the mechanical equipment, a lot of noise is easily generated during use. Utility Model Content

[0004] In order to solve the above problems and overcome the shortcomings of the prior art, the utility model provides an automatic air supply device for an air shock absorber, comprising a bearing device and an air spring, the bearing device comprising an upper pressure plate and a lower bearing plate, the lower end of the upper pressure plate is fixedly connected with an upper pressure seat, the upper part of the lower bearing plate is fixedly installed with a lower bearing seat, and the air spring is located between the upper pressure seat and the lower bearing seat;

[0005] The lower bearing seat and the lower bearing plate are provided with gaps at corresponding positions, the lower end of the air spring is provided with a vent hole, an inflation joint is installed on the vent hole, the lower end of the inflation joint is connected with an inflation pipe, and an automatic valve is installed on the inflation pipe;

[0006] The valve is connected to an air supply unit, which includes an air compressor, the air compressor is connected to a first one-way valve, the first one-way valve is connected to a first three-way valve, the other two ports of the first three-way valve are respectively connected to a second one-way valve and a second three-way valve, the second one-way valve is connected to the first valve, and the first valve is connected to a high-pressure air input pipe;

[0007] Two interfaces of the second three-way valve are respectively connected to two pressure regulating valves, the two pressure regulating valves are respectively connected to two third three-way valves, and the third three-way valve is connected to the air spring.

[0008] Furthermore, a one-way valve is connected between the third three-way valve and the air spring.

[0009] Furthermore, an air pressure sensor is provided on the air filling pipe between the air filling joint and the automatic valve.

[0010] Furthermore, the lower support seat is a circular ring structure, and a notch is arranged on the vertical surface of the lower support seat.

[0011] Furthermore, the bearing device also includes a limiting column, and a limiting groove is arranged on the upper part of the air spring, and the limiting column and the limiting groove are connected in an interference fit manner.

[0012] Furthermore, a support column is fixedly connected to the lower end of the lower bearing plate.

[0013] Furthermore, the air spring includes an airbag, top plates are installed at the upper and lower ends of the airbag, and an integrally formed waist ring is also provided in the middle of the airbag.

[0014] The beneficial effects of the utility model are:

[0015] The automatic air supply device for an air shock absorber provided by the utility model has a simple structure, and the air pressure of the air spring is ensured by a one-way valve. At the same time, an air pressure sensor is arranged to monitor the air pressure value in the air spring in real time. When the air pressure value drops below a preset value, the automatic valve automatically opens to inject high-pressure gas into the air spring, and the automatic valve is closed after reaching an appropriate air pressure.

[0016] The constant and stable air pressure is ensured to maintain the normal operation of the air spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the gas path distribution of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Attached photos:

[0020] 1. Air compressor, 2. First one-way valve, 3. First three-way valve, 4. Second one-way valve, 5. First valve, 6. High-pressure air input pipe, 7. Second three-way valve, 8. First pressure regulating valve, 9. Second pressure regulating valve, 10. Third three-way valve, 11. Third one-way valve, 12. Second valve, 13. Air spring, 14. Upper pressure plate, 15. Upper pressure seat, 16. Lower bearing plate, 17. Inflatable joint, 18. Air pressure sensor, 19. Inflatable tube, 20. Support column, 21. Automatic valve. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following will be combined with the appendix of the present invention. Figure 1 ~Attached Figure 2 , the utility model is described in more detail.

[0022] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0023] Those skilled in the art should understand that, in the disclosure of the specification, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which 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. Therefore, the above terms should not be understood as limiting the present invention.

[0024] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0025] The utility model provides an automatic air supply device for an air shock absorber, including a bearing device and an air spring 13, the bearing device including an upper pressure plate 14 and a lower bearing plate 16, the lower end of the upper pressure plate 14 is fixedly connected with an upper pressure seat 15, the upper part of the lower bearing plate 16 is fixedly installed with a lower bearing seat, the air spring 13 is located between the upper pressure seat 15 and the lower bearing seat; the corresponding positions of the lower bearing seat and the lower bearing plate 16 are both provided with notches, the lower end of the air spring 13 is provided with an air vent, the air vent is installed with an inflation joint 17, the lower end of the inflation joint 17 is connected with an inflation pipe 19, and the inflation pipe 19 is installed with an automatic valve 21; the valve is connected with an air supply part, the air supply part includes an air compressor 1, the air compressor 1 is connected with a first one-way valve 2, the first one-way valve 2 is connected with a first three-way valve 3, and the other two pressing ports of the first three-way valve 3 are respectively connected with a second one-way valve 4 and The second three-way valve 7 and the second one-way valve 4 are connected to the first valve 5, and the first valve 5 is connected to the high-pressure air input pipe 6; the two interfaces of the second three-way valve 7 are respectively connected to two pressure regulating valves, and the two pressure regulating valves are respectively connected to two third three-way valves 10, and the third three-way valve 10 is connected to the air spring 13; a one-way valve is also connected between the third three-way valve 10 and the air spring 13; an air pressure sensor 18 is also provided on the inflation pipe 19 between the inflation joint 17 and the automatic valve 21; the lower bearing seat is a circular ring structure, and a notch is provided on the vertical surface of the lower bearing seat; the bearing device also includes a limit column, and a limit groove is provided on the upper part of the air spring 13, and the limit column and the limit groove are connected in an interference fit manner; the lower end of the lower bearing plate 16 is fixedly connected to a support column 20; the air spring 13 includes an air bag, and top plates are installed at the upper and lower ends of the air bag, and an integrally formed waist ring is also provided in the middle of the air bag.

[0026] Embodiment 1 of the present utility model is as follows:

[0027] The automatic air supply device of the air shock absorber includes a bearing device and an air spring 13. The bearing device includes an upper pressure plate 14 and a lower support plate 16. The lower end of the upper pressure plate 14 is fixedly connected to an upper pressure seat 15. The lower support seat is fixedly installed on the upper part of the lower support plate 16. The air spring 13 is located between the upper pressure seat 15 and the lower support seat. The lower support seat is a circular ring structure, which can confine the air spring 13 therein, thereby ensuring the stability of the air spring 13. A notch is set on the vertical surface of the lower support seat, which is more convenient when disassembling.

[0028] The corresponding positions of the lower bearing seat and the lower bearing plate 16 are both provided with gaps, the lower end of the air spring 13 is provided with a vent hole, an air charging joint 17 is installed on the vent hole, the lower end of the air charging joint 17 is connected to an air charging tube 19, an automatic valve 21 is installed on the air charging tube 19, and the air charging joint 17 and the air charging tube 19 are both located inside the gap for easy operation;

[0029] The valve is connected to an air supply part, which includes an air compressor 1, the air compressor 1 is connected to a first one-way valve 2, the first one-way valve 2 is connected to a first three-way valve 3, the other two interfaces of the first three-way valve 3 are respectively connected to a second one-way valve 4 and a second three-way valve 7, the second one-way valve 4 is connected to a first valve 5, and the first valve 5 is connected to a high-pressure air input pipe 6; the two interfaces of the second three-way valve 7 are respectively connected to a first pressure regulating valve 8 and a second pressure regulating valve 9, the first pressure regulating valve 8 and the second pressure regulating valve 9 are respectively connected to two third three-way valves 10, and the third three-way valve 10 is connected to an air spring 13.

[0030] Furthermore, the third three-way valve 10 is connected to the three-way valve again, so that eight air springs 13 can be connected at one time, thereby improving the integration of the system.

[0031] A third one-way valve is also connected between the third three-way valve 10 and the air spring 13 , and the third one-way valve is connected to the air spring via the second valve. An air pressure sensor 18 is also provided on the air charging pipe 19 between the air charging connector 17 and the automatic valve 21 .

[0032] The air pressure of the air spring 13 is ensured by a one-way valve, and an air pressure sensor 18 is provided to monitor the air pressure value in the air spring 13 in real time. When the air pressure value drops below a preset value, the automatic valve 21 opens automatically, and high-pressure gas is rushed into the air spring 13. After reaching an appropriate air pressure, the automatic valve 21 is closed.

[0033] The constant and stable air pressure is ensured to maintain the normal operation of the air spring 13.

[0034] The bearing device also includes a limiting column. A limiting groove is arranged on the upper part of the air spring 13. The limiting column and the limiting groove are connected in an interference fit manner. The position of the air spring 13 is limited by the limiting column and the limiting groove.

[0035] The air spring 13 comprises an air bag, top plates are installed at the upper and lower ends of the air bag, and an integrally formed waist ring is also arranged in the middle of the air bag to form an air shock absorber structure.

[0036] Three air springs 13 with the same structure are arranged between the upper pressure plate 14 and the lower bearing plate 16 .

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic air supply device for an air shock absorber, characterized in that: It comprises a bearing device and an air spring, wherein the bearing device comprises an upper pressing plate and a lower bearing plate, the lower end of the upper pressing plate is fixedly connected with an upper pressing seat, the upper part of the lower bearing plate is fixedly installed with a lower bearing seat, and the air spring is located between the upper pressing seat and the lower bearing seat; The lower bearing seat and the lower bearing plate are both provided with notches at corresponding positions, the lower end of the air spring is provided with a vent hole, an inflatable joint is installed on the vent hole, the lower end of the inflatable joint is connected to an inflatable pipe, and an automatic valve is installed on the inflatable pipe; The valve is connected to an air supply unit, the air supply unit includes an air compressor, the air compressor is connected to a first one-way valve, the first one-way valve is connected to a first three-way valve, the other two ports of the first three-way valve are respectively connected to a second one-way valve and a second three-way valve, the second one-way valve is connected to the first valve, and the first valve is connected to a high-pressure air input pipe; The two interfaces of the second three-way valve are respectively connected to two pressure regulating valves, the two pressure regulating valves are respectively connected to two third three-way valves, and the third three-way valves are connected to the air spring.

2. The automatic air supply device for air shock absorber according to claim 1, characterized in that: A one-way valve is also connected between the third three-way valve and the air spring.

3. The automatic air supply device for air shock absorber according to claim 1, characterized in that: An air pressure sensor is also arranged on the air filling pipe between the air filling joint and the automatic valve.

4. The automatic air supply device for air shock absorber according to claim 1, characterized in that: The lower support seat is a circular ring structure, and a notch is arranged on the vertical surface of the lower support seat.

5. The automatic air supply device for air shock absorber according to claim 1, characterized in that: The bearing device further comprises a limiting column, a limiting groove is arranged on the upper part of the air spring, and the limiting column is connected to the limiting groove in an interference fit manner.

6. The automatic air supply device for air shock absorber according to claim 1, characterized in that: The lower end of the lower bearing plate is fixedly connected with a supporting column.

7. The automatic air supply device for air shock absorber according to claim 1, characterized in that: The air spring comprises an airbag, top plates are installed at both upper and lower ends of the airbag, and an integrally formed waist ring is also arranged in the middle of the airbag.

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