Guide mechanism of air spring vibration isolator

Abstract

The utility model relates to an air spring vibration isolator guide mechanism which comprises an outer cylinder, a stable vibration isolation mechanism is arranged in the outer cylinder, an auxiliary assembly is arranged in the outer cylinder, the stable vibration isolation mechanism comprises a mounting plate fixedly connected with the inner bottom wall of the outer cylinder, the top of the mounting plate is fixedly connected with a guide column, and the guide column is fixedly connected with the outer cylinder. A movable plate is slidably connected to the outer side of the guide column, an air spring body is fixedly connected between the movable plate and the mounting plate, a bearing column is fixedly connected to the top of the movable plate, and a bearing plate is fixedly connected to the top of the bearing column. The air spring vibration isolator guide mechanism can be matched with a guide structure to enable the stress of an air spring body to be uniform, and is matched with a return assembly to enhance the elasticity in the air spring body, so that the air spring body can easily recover to the original shape after being used for a long time under the condition of preventing bending, the pressure bearing capacity of a device is improved, and the service life of the device is prolonged. The practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of air spring vibration isolators, in particular to a guide mechanism for an air spring vibration isolator. Background Art

[0002] A retractable closed container is filled with compressed air, and the spring uses the elastic effect of air. The air spring isolators currently on the market are mainly composed of rubber and air. They have low internal friction and will not be affected by their own inherent vibrations. Different load-bearing capacities can be obtained by changing the gas pressure inside the rubber. The load-bearing capacity is proportional to the internal pressure, so the same rubber air spring can meet multiple load requirements.

[0003] An air spring vibration isolation device proposed in Chinese patent CN113819182A includes: a top plate, a bottom plate, a first damper, a second damper and at least one air spring assembly; the first damper, the air spring assembly and the second damper are sequentially arranged between the top plate and the bottom plate...; the vibration in the vertical direction can be effectively isolated, and when vibration occurs, the expansion and contraction of the air spring can generate energy-dissipating damping, while the first damper and the second damper can also provide corresponding energy-dissipating damping, thereby improving the vibration isolation effect while improving the vibration isolation efficiency.

[0004] However, the structure in the above embodiment lacks a guide device, and the spring has an unstable factor when it is stressed. The spring is prone to bending. When the spring is bent, it is also prone to spring snapping, which makes the spring lose its function. In addition, the air spring is difficult to return to its original state after long-term use, resulting in the air spring vibration isolation device being unable to continue to be used, reducing its practicality. In view of this, the present application proposes an air spring vibration isolator guide mechanism Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an air spring isolator guide mechanism, which can cooperate with the guide structure to make the force on the air spring body uniform, and cooperate with the return component to enhance the elasticity inside the air spring body, so as to improve the pressure-bearing capacity of the device while preventing bending, and enhance the practicality of the device. It solves the problems that the air spring vibration isolation device in the prior art lacks a guide device, the spring has unstable factors when being stressed, the spring is prone to bending, and the spring is prone to spring jamming when it bends, making the spring lose its function, and the air spring is difficult to return to its original state after long-term use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air spring vibration isolator guide mechanism, comprising an outer cylinder, a stable vibration isolation mechanism is arranged inside the outer cylinder, and an auxiliary component is arranged inside the outer cylinder;

[0007] The stable vibration isolation mechanism comprises a mounting plate fixedly connected to the bottom wall of the outer cylinder, a guide column fixedly connected to the top of the mounting plate, a movable plate slidably connected to the outer side of the guide column, an air spring body fixedly connected between the movable plate and the mounting plate, a receiving column fixedly connected to the top of the movable plate, and a receiving plate fixedly connected to the top of the receiving column;

[0008] The air spring body is movably connected to a center block inside, a plurality of fixing rods are fixedly connected to the outside of the center block, and the fixing rods are fixedly connected to the inner wall of the air spring body, a sliding sleeve is slidably connected to the outside of the fixing rod, a connecting rod is rotatably connected to the outside of the sliding sleeve, a movable block is hinged on the other end of the connecting rod, and a return assembly is arranged inside the movable block.

[0009] Furthermore, there are multiple guide posts, and the top ends of the guide posts are fixedly connected to the top wall of the outer cylinder, and the outer sides of the guide posts are fixedly connected to the inner limiters.

[0010] Furthermore, a ventilation pipe penetrating the mounting plate is fixedly connected to the interior of the outer cylinder, and a solenoid valve is fixedly connected to the interior of the ventilation pipe.

[0011] Furthermore, a limiting hole slidably matched with the guide column is opened inside the movable plate, and a damper is fixedly connected between the top wall of the outer cylinder and the movable plate.

[0012] Furthermore, the restoring assembly comprises a telescopic rod slidably connected inside the movable block, a stop block is fixedly connected to one side of the telescopic rod away from the movable block, and a rubber pad is fixedly connected between the stop block and the inner wall of the air spring body.

[0013] Furthermore, an elastic member is fixedly connected to the interior of the movable block, and the end of the elastic member abuts against the telescopic rod.

[0014] Furthermore, the auxiliary component includes a slide seat slidably connected to the movable plate and the mounting plate, and the opposite sides of the slide seats on the upper and lower sides are rotatably connected to a connecting rod, and the other end of the connecting rod is hinged to the movable block.

[0015] Furthermore, a sliding block is fixedly connected to the separated side of the sliding seats on the upper and lower sides, and a limiting sliding groove adapted to slide with the sliding block is provided on the opposite side of the movable plate and the mounting plate.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] 1. The guide mechanism of the air spring vibration isolator can limit the movement of the movable plate by the guide column through the stable vibration isolation mechanism, which plays a certain guiding role, so that the movable plate can only move in the vertical direction, so as to keep the force of the air spring body uniform, thereby maintaining the stable operation of the vibration isolator; at the same time, the elastic member arranged in the movable block can use the telescopic rod to push the block to contact the inner wall of the air spring body, which can maintain the elasticity inside the air spring body, so that it can easily return to its original state after long-term use, thereby enhancing the practicality of the device, and the outer cylinder arranged can prevent the air spring body from contacting the complex external environment. While retaining the advantage of the adjustable stiffness of the traditional rubber air spring vibration isolator, it can also cope with high and low temperatures and special environments that the traditional rubber air spring vibration isolator cannot withstand.

[0018] 2. The air spring isolator guide mechanism can use the sliding effect of the sliding block to limit the moving track of the slide seat through the auxiliary components, so that when the air spring body is compressed and moved, the connecting rod cooperates with the structural support block of the return component to further improve the guiding effect and prevent the air spring body from bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0020] Figure 2 It is a top sectional view of the air spring body of the utility model;

[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the structure at A in the middle.

[0022] In the figure: 1, outer cylinder; 2, mounting plate; 3, air spring body; 301, vent pipe; 4, movable plate; 5, receiving column; 6, receiving plate; 7, guide column; 701, limiter; 8, damper; 9, fixing rod; 10, sliding sleeve; 11, connecting rod; 12, movable block; 13, elastic member; 14, telescopic rod; 15, stop block; 16, rubber pad; 17, connecting rod; 18, sliding seat; 1801, sliding block; 19, center block. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-3An air spring isolator guide mechanism in this embodiment includes an outer cylinder 1, a stable vibration isolation mechanism is arranged inside the outer cylinder 1, and an auxiliary component is arranged inside the outer cylinder 1.

[0025] Embodiment 1: A stable vibration isolation mechanism includes a mounting plate 2 fixedly connected to the inner bottom wall of an outer cylinder 1, a guide column 7 fixedly connected to the top of the mounting plate 2, a movable plate 4 slidably connected to the outer side of the guide column 7, a plurality of guide columns 7, and the top ends of the guide columns 7 are fixedly connected to the inner top wall of the outer cylinder 1, a limiting hole slidably matched with the guide column 7 is provided inside the movable plate 4, so that the guide column 7 can pass through the movable plate 4 using the limiting block to play a guiding role and improve the activity stability of the movable plate 4.

[0026] Among them, a damper 8 is fixedly connected between the inner top wall of the outer cylinder 1 and the movable plate 4, so that the damper 8 can be used for protection. An air spring body 3 is fixedly connected between the movable plate 4 and the mounting plate 2. A ventilation pipe 301 that passes through the mounting plate 2 is fixedly connected inside the outer cylinder 1. A solenoid valve is fixedly connected inside the ventilation pipe 301. When the solenoid valve is opened, the air pressure in the air spring body 3 can be adjusted by using the external air supply equipment of the ventilation pipe 301, so as to achieve the effect of adjusting the bearing pressure.

[0027] Among them, the top of the movable plate 4 is fixedly connected with a receiving column 5, and the top of the receiving column 5 is fixedly connected with a receiving plate 6; the outer side of the guide column 7 is fixedly connected with a limiter 701, which is convenient for using the limiter 701 to prevent the receiving column 5 and the receiving plate 6 from being overloaded.

[0028] In this embodiment, the air spring body 3 is movably connected to a center block 19 inside, a plurality of fixed rods 9 are fixedly connected to the outside of the center block 19, and the fixed rods 9 are fixedly connected to the inner wall of the air spring body 3, a sliding sleeve 10 is slidably connected to the outside of the fixed rod 9, a connecting rod 11 is rotatably connected to the outside of the sliding sleeve 10, a movable block 12 is hinged at the other end of the connecting rod 11, and a return assembly is arranged inside the movable block 12.

[0029] Among them, the return component includes a telescopic rod 14 slidably connected inside the movable block 12, a stop block 15 is fixedly connected to the side of the telescopic rod 14 away from the movable block 12, and a rubber pad 16 is fixedly connected between the stop block 15 and the inner wall of the air spring body 3, so that the telescopic rod 14 can slide in the movable block 12 when the air spring body 3 is compressed.

[0030] Among them, the movable block 12 is fixedly connected with an elastic member 13 inside, and the end of the elastic member 13 is against the telescopic rod 14, so that the elastic member 13 can be used to support the telescopic rod 14, so as to improve the elasticity inside the air spring body 3, so that it can easily return to its original state after long-term use.

[0031] It should be noted that the air spring isolator guide mechanism, through the stable vibration isolation mechanism, can make the guide column 7 limit the movement of the movable plate 4, play a certain guiding role, so that the movable plate 4 can only move in the vertical direction, so as to keep the force on the air spring body 3 uniform, and thus keep the operation of the isolator stable; at the same time, the elastic member 13 arranged in the movable block 12 can use the telescopic rod 14 to push the block 15 to contact the inner wall of the air spring body 3, which can maintain the elasticity inside the air spring body 3, so that it can be easily restored to its original state after long-term use, thereby enhancing the practicality of the device, and the outer cylinder 1 arranged can prevent the air spring body 3 from contacting with the complex external environment. While retaining the advantage of the adjustable stiffness of the traditional rubber air spring isolator, it can also cope with high and low temperatures and special environments that the traditional rubber air spring isolator cannot withstand.

[0032] Embodiment 2: The auxiliary component includes a slide seat 18 slidably connected to the movable plate 4 and the mounting plate 2, and a sliding block 1801 is fixedly connected to the separated side of the upper and lower slide seats 18, and a limiting slide groove that is slidably adapted to the sliding block 1801 is provided on the opposite side of the movable plate 4 and the mounting plate 2, so as to facilitate the limiting effect of the limiting slide groove on the sliding block 1801 and maintain the stability of the movement of the slide seat 18.

[0033] The upper and lower slide seats 18 are rotatably connected to opposite sides with connecting rods 17, and the other end of the connecting rod 17 is hinged to the movable block 12, so that the connecting rod 17 can cooperate with the structure of the return assembly to support the movable block 12 when the air spring body 3 is compressed and moved.

[0034] It should be noted that the air spring isolator guide mechanism, through the auxiliary components, can use the sliding effect of the sliding block 1801 to limit the moving trajectory of the slide seat 18, so that when the air spring body 3 is compressed and moved, the connecting rod 17 cooperates with the structural support movable block 12 of the return component to further improve the guiding effect and prevent the air spring body 3 from bending.

[0035] The working principle of the above embodiment is:

[0036] When the air spring isolator guide mechanism is in use, the receiving plate 6 and the outer cylinder 1 can be respectively fixed on two objects that need to be connected. When one of the objects is subjected to force, the air spring body 3 can be compressed to play a vibration isolation role. In the process of the air spring body 3 being subjected to force and deformation, the elastic member 13 arranged inside it uses the telescopic rod 14, the stop block 15 and the rubber pad 16 to enhance the elasticity, which can further enhance the pressure-bearing capacity of the vibration isolator and enable the air spring body 3 to be easily restored to its original state after long-term use. In this process, the movable plate 4 can move only in the vertical direction under the guiding action of the guide column 7 and the receiving column 5, so as to keep the force on the air spring body 3 uniform, thereby ensuring the stable operation of the vibration isolator. At the same time, the structure arranged inside the air spring body 3 can also make the air spring body 3 compress and deform according to a predetermined trajectory to prevent it from bending, so as to further improve the practicality of the device.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] 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 air spring isolator guide mechanism, comprising an outer cylinder (1), characterized in that: A stable vibration isolation mechanism is arranged inside the outer cylinder (1), and an auxiliary component is arranged inside the outer cylinder (1); The stable vibration isolation mechanism comprises a mounting plate (2) fixedly connected to the inner bottom wall of the outer cylinder (1); a guide column (7) is fixedly connected to the top of the mounting plate (2); a movable plate (4) is slidably connected to the outer side of the guide column (7); an air spring body (3) is fixedly connected between the movable plate (4) and the mounting plate (2); a receiving column (5) is fixedly connected to the top of the movable plate (4); and a receiving plate (6) is fixedly connected to the top of the receiving column (5); The air spring body (3) is movably connected to a central block (19) inside, a plurality of fixed rods (9) are fixedly connected to the outside of the central block (19), and the fixed rods (9) are fixedly connected to the inner wall of the air spring body (3), the fixed rods (9) are slidably connected to the outside of the fixed rods (9), the outside of the sliding sleeve (10) is rotatably connected to a connecting rod (11), the other end of the connecting rod (11) is hinged to a movable block (12), and a return assembly is arranged inside the movable block (12).

2. The air spring isolator guide mechanism according to claim 1, characterized in that: There are a plurality of guide columns (7), and the top ends of the guide columns (7) are fixedly connected to the inner top wall of the outer cylinder (1), and the outer sides of the guide columns (7) are fixedly connected to the limiters (701).

3. The air spring isolator guide mechanism according to claim 1, characterized in that: A vent pipe (301) penetrating the mounting plate (2) is fixedly connected to the interior of the outer cylinder (1), and a solenoid valve is fixedly connected to the interior of the vent pipe (301).

4. The air spring isolator guide mechanism according to claim 1, characterized in that: A limiting hole slidably matched with the guide column (7) is provided inside the movable plate (4), and a damper (8) is fixedly connected between the inner top wall of the outer cylinder (1) and the movable plate (4).

5. The air spring isolator guide mechanism according to claim 1, characterized in that: The return assembly comprises a telescopic rod (14) slidably connected inside the movable block (12); a stop block (15) is fixedly connected to the side of the telescopic rod (14) away from the movable block (12); and a rubber pad (16) is fixedly connected between the stop block (15) and the inner wall of the air spring body (3).

6. The air spring isolator guide mechanism according to claim 5, characterized in that: An elastic member (13) is fixedly connected to the interior of the movable block (12), and the end of the elastic member (13) abuts against the telescopic rod (14).

7. The air spring isolator guide mechanism according to claim 1, characterized in that: The auxiliary component comprises a slide seat (18) slidably connected to the movable plate (4) and the mounting plate (2); opposite sides of the slide seat (18) at the upper and lower sides are rotatably connected to connecting rods (17), and the other end of the connecting rod (17) is hinged to the movable block (12).

8. The air spring isolator guide mechanism according to claim 7, characterized in that: The separated sides of the slide seats (18) at the upper and lower sides are fixedly connected with a sliding block (1801), and the opposite sides of the movable plate (4) and the mounting plate (2) are both provided with a limiting sliding groove that is slidably matched with the sliding block (1801).

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