Compact-structure type inerter damping vibration attenuation device

Abstract

The utility model discloses a compact structure type inerter damping vibration attenuation device which comprises a protective shell, a movable block capable of moving up and down is arranged in the protective shell, vertical rods are fixedly connected to the four corners of the top and the four corners of the bottom of the movable block, connecting plates are fixedly connected to the tail ends of the vertical rods, and an air cylinder is fixedly connected to the inner bottom end of the protective shell. A piston capable of moving up and down is arranged in the inflator, a push rod is fixedly connected to the top of the piston, a first magnet ring is fixedly connected to the bottom of the movable block, and a second magnet ring is arranged on the outer side of the inflator. The movable block moves towards the bottom of the protective shell, the push rod is pushed to enable the piston to move in the inflator, and air exhausting of the inflator is achieved in cooperation with the exhaust pipe. The vibration reduction function is achieved through friction force generated when the piston moves and repulsive force between the first magnet ring and the second magnet ring. And by utilizing the repulsive force between the magnets, the stable vibration reduction effect of the device in long-term use can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of damping vibration device, concretely is a compact structure inertial damper damping device. BACKGROUND

[0002] Damping vibration device is a kind of device that inhibits vibration or impact by consuming energy, and its core principle is to convert mechanical kinetic energy into other forms of energy (such as heat energy) and dissipate, thereby reducing the vibration amplitude or impact effect of the system, and there are many types of damping vibration devices, and inertial damper damping device is one of many damping vibration devices.

[0003] In the prior art, Chinese patent CN221525443U discloses a damping vibration device for centrifuge, comprising: a support base supported on a plane, an accommodating cavity with an upper end opening is formed in the support base; an upper cover is provided with a connecting structure for connecting with the centrifuge; the upper cover is arranged above the support base and connected with the support base through a soft connecting piece, and a compression space is formed between the upper cover and the support base for the upper cover to be compressed and moved.

[0004] However, the damping vibration device provided in the above technical solution still has many shortcomings in actual application, for example, the damping is realized by the elasticity of the spring, and in the long-term use process, the spring is prone to deformation due to extrusion or stretching, which affects the elasticity of the spring and thus affects the damping effect of the device. UTILITY MODEL CONTENTS

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the problem of damping vibration device provided in the above background technology that damping is realized by the elasticity of the spring, and in the long-term use process, the spring is prone to deformation due to extrusion or stretching, which affects the elasticity of the spring and thus affects the damping effect of the device, the utility model adopts the following technical scheme.

[0007] The utility model provides a compact structure inertial damper damping device, including the protective housing, the inside of protective housing is provided with the movable block that can move up and down, the top four corners and the bottom four corners of movable block all are fixedly connected with the vertical rod, the end of vertical rod is fixedly connected with the connecting plate, the inside bottom of protective housing is fixedly connected with the air cylinder, the inside of air cylinder is provided with the piston that can move up and down, the top of piston is fixedly connected with the push rod, and the top of push rod and movable block are fixedly connected, the bottom of movable block is fixedly connected with the first magnet ring, and the outside of air cylinder is provided with the second magnet ring, and the second magnet ring and protective housing are fixedly connected, the first magnet ring with second magnet ring is opposite and is arranged, and the polarity of opposite two faces is same.

[0008] Preferably, the outside of the movable block is in close contact with the inner wall of the protective housing, the vertical center line of the vertical rod is symmetrical about the movable block, and the vertical center line of the connecting plate coincides with the vertical center line of the movable block.

[0009] Preferably, the vertical center line of the piston coincides with the central axis of the push rod, the outside of the piston is in close contact with the inner wall of the air cylinder, and the vertical center line of the movable block coincides with the central axis of the push rod.

[0010] Preferably, the bottom of the air cylinder is provided with an exhaust pipe, the central axis of the exhaust pipe coincides with the central axis of the air cylinder, and the exhaust pipe penetrates the bottom of the protective housing.

[0011] Preferably, the inside of the second magnet ring is in close contact with the outside of the air cylinder, the first magnet ring and the second magnet ring are of the same size, and the central axis of the first magnet ring coincides with the central axis of the second magnet ring.

[0012] Preferably, a plurality of notches are formed in the outside of the protective housing, the notches are uniformly distributed in a ring shape about the vertical center line of the protective housing, a plurality of rollers are arranged in the notches, and the rollers are rotatably connected to the movable block.

[0013] Preferably, a plurality of positioning holes are formed in the connecting plate, and the positioning holes are uniformly distributed in a circumferential direction with the center of the connecting plate as a center.

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

[0015] By moving the movable block to the bottom of the protective housing, the push rod is pushed to move the piston in the air cylinder, and the air cylinder is exhausted through the exhaust pipe. The damping function is realized by the friction force when the piston moves and the repulsive force between the first magnet ring and the second magnet ring. The repulsive force between the magnets can ensure that the device maintains stable damping effect in long-term use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The whole three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 The bottom three-dimensional structure schematic diagram of the utility model.

[0018] Figure 3 The local three-dimensional structure schematic diagram of the utility model.

[0019] Figure 4 The movable block three-dimensional structure schematic diagram of the utility model.

[0020] Figure 5 The whole cross section structure schematic diagram of the utility model.

[0021] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0022] 1, protective shell; 2, movable block; 3, vertical rod; 4, connecting plate; 5, air cylinder; 6, piston; 7, push rod; 8, first magnet ring; 9, second magnet ring; 10, exhaust pipe; 11, notch; 12, roller; 13, positioning hole. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is described in detail below with the help of the drawings in the specification.

[0024] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein can contain specific features, structures or characteristics in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. The utility model provides the following embodiments.

[0026] Please refer to Figures 1-5The utility model provides a kind of compact structure inertial damper vibration reduction device, including protective shell 1, the inside of protective shell 1 is provided with movable block 2 that can move up and down, the top four corners and bottom four corners of movable block 2 are all fixedly connected with vertical rod 3, the end of vertical rod 3 is fixedly connected with connecting plate 4, the outside of movable block 2 is in line with the inner wall of protective shell 1, vertical rod 3 is symmetrical about the vertical center line of movable block 2, the vertical center line of connecting plate 4 coincides with the vertical center line of movable block 2, multiple positioning holes 13 are opened on connecting plate 4, multiple positioning holes 13 take the center of connecting plate 4 as the center, are evenly distributed in circumference, by the positioning hole 13 of connecting plate 4 at the both ends of protective shell 1, cooperate with the use of external bolt, it can be connected between the device and the device that needs to be damped outside, connecting plate 4 and movable block 2 can be connected by vertical rod 3.

[0027] In the embodiment, the inside bottom end of protective shell 1 is fixedly connected with air cylinder 5, the inside of air cylinder 5 is provided with movable piston 6 that can move up and down, the top of piston 6 is fixedly connected with push rod 7, the central axis of push rod 7 coincides with the vertical center line of piston 6, the outside of piston 6 is in line with the inner wall of air cylinder 5, the vertical center line of movable block 2 coincides with the central axis of push rod 7, the top end and movable block 2 between push rod 7 are fixedly connected, the bottom of movable block 2 is fixedly connected with first magnet ring 8, the outside of air cylinder 5 is provided with second magnet ring 9, second magnet ring 9 is fixedly connected between air cylinder 5 and protective shell 1, first magnet ring 8 and second magnet ring 9 are oppositely arranged, and the polarity of opposite two faces is same.

[0028] In the embodiment, the inside of second magnet ring 9 is in line with the outside of air cylinder 5, the specification size of first magnet ring 8 and second magnet ring 9 is same, the central axis of first magnet ring 8 coincides with the central axis of second magnet ring 9.

[0029] In the embodiment, the bottom of air cylinder 5 is provided with exhaust pipe 10, exhaust pipe 10 is communicated with the inside of air cylinder 5, the central axis of exhaust pipe 10 coincides with the central axis of air cylinder 5, exhaust pipe 10 penetrates the bottom of protective shell 1, piston 6 is moved in air cylinder 5 by push rod 7, cooperating with the use of exhaust pipe 10, air cylinder 5 can be exhausted, the friction force generated when piston 6 moves in air cylinder 5 is utilized, cooperating with the repulsion between first magnet ring 8 and second magnet ring 9, the purpose of damping can be realized, at the same time, the repulsion between first magnet ring 8 and second magnet ring 9 is also convenient for resetting movable block 2, and by the repulsion between magnets, the damping effect is stable when the device is used for a long time.

[0030] In the embodiment, the outer side of the protective shell 1 is provided with a plurality of notches 11, the plurality of notches 11 are uniformly distributed in a ring shape about the vertical center line of the protective shell 1, the inside of the notch 11 is provided with a roller 12, the roller 12 is rotationally connected with the movable block 2, and the friction force during the rolling of the roller 12 in the notch 11 can further play a purpose of energy consumption, thereby further improving the damping effect of the device.

[0031] Working principle: when the device is used, first, the positioning hole 13 of the connecting plate 4 at both ends of the protective shell 1 is used in cooperation with the use of external bolts to connect the device with devices that need to be damped in the outside world, the connecting plate 4 and the movable block 2 are connected through the vertical rod 3, when vibration occurs, the movable block 2 moves to the bottom of the protective shell 1, the piston 6 moves in the air cylinder 5 through the push rod 7, the hollow of the air cylinder 5 is extruded, the air in the air cylinder 5 is discharged through the use of the exhaust pipe 10, the friction force generated when the piston 6 moves in the air cylinder 5 and the resistance of the air in the air cylinder 5 can reduce the amplitude of the downward movement of the movable block 2, the repulsive force between the first magnet ring 8 and the second magnet ring 9 can make the movable block 2 move upward to reset, which is convenient for air to be sucked into the air cylinder 5, thereby achieving the purpose of damping of the device, and the repulsive force between the magnets is used for damping, which can make the damping effect stable during long-term use of the device.

[0032] The friction force during the rolling of the roller 12 in the notch 11 can further play a purpose of energy consumption, thereby further improving the damping effect of the device, and the movable block 2 of the device is in close contact with the protective shell 1, which can ensure the stability of the upward and downward movement of the movable block 2, and the device has a compact structure, and the damping device is inside the protective shell 1, and the protective shell 1 can protect the damping device.

[0033] The above is a further detailed description of the present application in combination with the specific embodiments, which cannot be considered as limiting the specific embodiments of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be considered as belonging to the protection range determined by the claims submitted by the present application.

Claims

1. A compact inertial-capacitive damping vibration reduction device, comprising a protective shell (1), characterized in that: The protective shell (1) has a movable block (2) that can move up and down inside. The four corners of the top and bottom of the movable block (2) are fixedly connected to vertical rods (3). The ends of the vertical rods (3) are fixedly connected to connecting plates (4). The bottom of the protective shell (1) is fixedly connected to an air cylinder (5). The air cylinder (5) has a piston (6) that can move up and down inside. The top of the piston (6) is fixedly connected to a push rod (7). The top of the push rod (7) is fixedly connected to the movable block (2). The bottom of the movable block (2) is fixedly connected to a first magnet ring (8). The outside of the air cylinder (5) is provided with a second magnet ring (9). The second magnet ring (9) is fixedly connected to the protective shell (1). The first magnet ring (8) and the second magnet ring (9) are arranged opposite each other, and the polarity of the two opposite surfaces is the same.

2. The compact inertial-capacitive damping vibration reduction device according to claim 1, characterized in that: The outer side of the movable block (2) is in contact with the inner wall of the protective shell (1), the vertical rod (3) is symmetrical about the vertical center line of the movable block (2), and the vertical center line of the connecting plate (4) coincides with the vertical center line of the movable block (2).

3. The compact inertial-capacitive damping vibration reduction device according to claim 2, characterized in that: The central axis of the push rod (7) coincides with the vertical center line of the piston (6), the outer side of the piston (6) is in contact with the inner wall of the air cylinder (5), and the vertical center line of the movable block (2) coincides with the central axis of the push rod (7).

4. The compact inertial-capacitive damping vibration reduction device according to claim 3, characterized in that: The bottom of the air cylinder (5) is provided with an exhaust pipe (10), which is connected to the interior of the air cylinder (5). The central axis of the exhaust pipe (10) coincides with the central axis of the air cylinder (5), and the exhaust pipe (10) penetrates the bottom of the protective shell (1).

5. The compact inertial-capacitive damping vibration reduction device according to claim 4, characterized in that: The inner side of the second magnet ring (9) is in contact with the outer side of the air cylinder (5). The first magnet ring (8) and the second magnet ring (9) have the same specifications and dimensions. The central axis of the first magnet ring (8) coincides with the central axis of the second magnet ring (9).

6. The compact inertial-capacitive damping vibration reduction device according to claim 5, characterized in that: The outer side of the protective shell (1) is provided with multiple slots (11), and the multiple slots (11) are evenly distributed in a ring about the vertical center line of the protective shell (1). Rollers (12) are provided inside the slots (11), and the rollers (12) are rotatably connected to the movable block (2).

7. The compact inertial-capacitive damping vibration reduction device according to any one of claims 1-6, characterized in that: The connecting plate (4) has multiple positioning holes (13), which are evenly distributed around the center of the connecting plate (4).

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