CN113357310A

CN113357310A - Vibration isolator

Info

Publication number: CN113357310A
Application number: CN202110725036.6A
Authority: CN
Inventors: 叶雪松
Original assignee: Sany Renewable Energy Co Ltd
Current assignee: Sany Renewable Energy Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-09-07
Anticipated expiration: 2041-06-29
Also published as: CN113357310B

Abstract

The invention relates to the technical field of vibration noise control devices, in particular to a vibration isolator. The vibration isolator comprises two end seats, a sliding block component and at least two first elastic strips; the two ends of the first elastic strip are respectively connected with the two end seats, the two end seats are arranged oppositely, all the first elastic strips are arranged along the circumferential interval of the end seats, the sliding block assembly is positioned in an area formed by encircling all the first elastic strips, the sliding block assembly is respectively connected with the end seats and the first elastic strips, and the sliding block assembly is suitable for enabling the end seats to mutually convert along the movement of the first direction and the movement of the first elastic strips along the second direction. Through being connected end seat and mechanical equipment, when external environment produced the vibration, first bullet strip can cushion the vibration, can reduce the vibration impact of mechanical equipment to its installation base, can avoid mechanical equipment's each part to produce resonance, also can avoid mechanical equipment to take place to destroy.

Description

Vibration isolator

Technical Field

The invention relates to the technical field of vibration noise control devices, in particular to a vibration isolator.

Background

With the development of industrial modernization, a plurality of mechanical devices are sensitive to environmental vibration, when the environmental vibration reaches a certain frequency, each part of the mechanical device is easy to resonate, so that the part is damaged, and if the mechanical device is in a vibrating environment for a long time, the mechanical device is easy to damage.

Disclosure of Invention

The invention aims to solve the technical problem that mechanical equipment is easy to damage under a vibrating environment for a long time.

In order to solve the problems, the invention provides a vibration isolator which comprises two end seats, a sliding block assembly and at least two first elastic strips; the two ends of the first elastic strip are respectively connected with the two end seats, the two end seats are arranged oppositely, all the first elastic strips are arranged along the circumferential intervals of the end seats, the sliding block assembly is positioned in the area formed by encircling the first elastic strips, the sliding block assembly is respectively connected with the end seats and the first elastic strips, and the sliding block assembly is suitable for enabling the end seats to move along the first direction and the first elastic strips to move along the second direction in a mutual conversion mode.

Optionally, the sliding block assembly includes at least one first sliding block and two second sliding blocks, each second sliding block is connected to one first elastic strip, the two first elastic strips connected to the second sliding blocks are arranged oppositely, and each first sliding block is connected to one end seat; the first sliding block and the second sliding block are located in an area formed by surrounding of all the first elastic strips, the first sliding block is suitable for being abutted to the second sliding block, the first sliding block is suitable for sliding relative to the second sliding block along a third direction, so that the movement of the first sliding block along the first direction and the movement of the second sliding block along the second direction are mutually converted, and the first direction, the second direction and the third direction are mutually not collinear.

Optionally, the first slider includes a first guide sliding surface structure, the second slider includes a second guide sliding surface structure, the first guide sliding surface structure is suitable for being attached to the second guide sliding surface structure, and the first guide sliding surface structure and the second guide sliding surface structure are respectively parallel to the third direction.

Optionally, the first slider further includes a guide block, the guide block is disposed on the first guide sliding surface structure, the guide block is disposed along the third direction, the second slider is provided with a guide groove, the guide groove is matched with the guide block, and the guide groove is suitable for sliding along the guide block.

Optionally, the cross section of the guide block is T-shaped, rectangular, trapezoidal, triangular or semicircular, and the guide groove is matched with the guide block.

Optionally, the vibration isolator further comprises a first elastic part, and two ends of the first elastic part are respectively connected with the two second sliding blocks.

Optionally, the vibration isolator further comprises a guide post, the guide post is arranged along the second direction, a first through hole is formed in the second sliding block, and the guide post penetrates through the first through hole and is connected with the first elastic strip.

Optionally, the vibration isolator further comprises a fastener and a second elastic part, the second elastic part is located between the fastener and the second slider, the first elastic strip connected with the second slider is provided with a second through hole, and two ends of the guide post respectively penetrate through the corresponding first through hole, the second through hole and the second elastic part in sequence and then are connected with the fastener.

Optionally, the elastic device further comprises at least one second elastic strip, two ends of the second elastic strip are respectively connected with the two end seats, and all the second elastic strips are arranged at intervals along the circumferential direction of the end seats; the second elastic strip is of an arc-shaped structure, and the concave surface of the second elastic strip faces the sliding block assembly;

and/or, first bullet strip is the arc structure, the second slider includes the arcwall face structure, the arcwall face structure be suitable for with the concave surface laminating of first bullet strip.

Optionally, the first elastic strip includes a first rubber layer and two first metal layers, the first rubber layer is located between the two first metal layers, a plurality of first protrusions are distributed on the surface of the first rubber layer, a plurality of first recesses are distributed on the surface of the first metal layer, and the first protrusions are matched with the first recesses;

and/or the second elastic strip comprises a second rubber layer and two second metal layers, the second rubber layer is positioned between the two second metal layers, a plurality of second convex parts are distributed on the surface of the second rubber layer, a plurality of second concave parts are distributed on the surface of the second metal layer, and the second convex parts are matched with the second concave parts.

Compared with the prior art, the vibration isolator has the beneficial effects that:

according to the invention, the end seat is connected with the mechanical equipment, when the external environment vibrates, the first elastic strip can buffer the vibration, so that the vibration impact of the mechanical equipment on the installation base can be reduced, the resonance of each part of the mechanical equipment can be avoided, and the damage of the mechanical equipment can also be avoided. Meanwhile, the sliding block assembly can convert the movement of the end seats along the first direction into the movement of the first elastic strip along the second direction, and when the two end seats move oppositely, the sliding block assembly enables the two oppositely arranged first elastic strips to be opened, so that better buffering is achieved; when the end seat moves reversely, the first elastic strip is reset.

Drawings

Figure 1 is a schematic view of a vibration isolator in an embodiment of the present invention;

figure 2 is an internal schematic view of the vibration isolator in an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention at A in FIG. 2;

fig. 4 is a sectional view of the vibration isolator in an embodiment of the present invention;

FIG. 5 is a schematic view of a first slider in an embodiment of the present invention;

FIG. 6 is a schematic view of a second slider in an embodiment of the present invention;

FIG. 7 is a schematic view of a first slider in another embodiment of the present invention;

fig. 8 is a schematic view of a second slider according to another embodiment of the present invention.

Description of reference numerals:

1-end seat, 2-first elastic strip, 3-first sliding block, 4-second sliding block, 5-fastening piece, 6-guide column, 7-second elastic piece, 8-first elastic piece, 9-gasket, 10-second elastic strip, 21-first metal layer, 22-first rubber layer, 23-limiting groove, 31-connecting column, 32-guide block, 33-first sliding block body, 34-first guide sliding surface structure, 41-arc surface structure, 42-limiting bulge, 43-first through hole, 44-guide groove and 45-second guide sliding surface structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the terms "an embodiment," "one embodiment," and "an implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or example implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

Also, in the drawings, the Z-axis represents a vertical direction, that is, an up-down direction, and a positive direction of the Z-axis (that is, an arrow direction of the Z-axis) represents an up direction, and a negative direction of the Z-axis (that is, a direction opposite to the positive direction of the Z-axis) represents a down direction; in the drawings, the X-axis indicates the front-rear direction, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) indicates the front, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) indicates the rear; in the drawings, the Y-axis represents the left-right direction, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) represents the left, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the right; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

An embodiment of the present invention provides a vibration isolator, as shown in fig. 1 and 2, comprising two end seats 1, a slider assembly and at least two first elastic strips 2; the both ends of first bullet strip 2 respectively with two end holder 1 is connected, two end holder 1 sets up relatively, all first bullet strip 2 is followed end holder 1's circumference interval sets up, slider assembly is located all first bullet strip 2 surrounds the region that forms, slider assembly respectively with end holder 1 with first bullet strip 2 is connected, slider assembly is suitable for making end holder 1 along the motion of first direction with first bullet strip 2 along the motion interconversion of second direction. In one embodiment, as shown in fig. 1 and 2, the slider assembly comprises at least one first slider 3 and two second sliders 4; each second sliding block 4 is connected with one first elastic strip 2, the two first elastic strips 2 connected with the second sliding blocks 4 are arranged oppositely, and each first sliding block 3 is connected with one end seat 1; the first sliding block 3 and the second sliding block 4 are located in an area formed by all the first elastic strips 2 in a surrounding mode, the first sliding block 3 is suitable for being abutted to the second sliding block 4, the first sliding block 3 is suitable for sliding relative to the second sliding block 4 along a third direction, so that the movement of the first sliding block 3 along the first direction and the movement of the second sliding block 4 along the second direction are mutually converted, and the first direction, the second direction and the third direction are mutually collinear.

Here, the cross-sectional shape of the end seat 1 may be rectangular, oval or kidney-shaped, and specifically, the end seat 1 may be a rectangular plate, an oval plate or a kidney-shaped plate. The first elastic strip 2 may be connected to a side wall of the end seat 1, specifically, the first elastic strip 2 may be connected to the end seat 1 by fastening a screw or welding, and each side wall of the end seat 1 is connected to one or more of the first elastic strips 2. The second sliding block 4 is connected with the inner wall of the first elastic strip 2, the inner wall of the first elastic strip 2 refers to the side wall of one side of the first elastic strip 2, which is surrounded by all the first elastic strips 2, and specifically, the second sliding block 4 is in bolt fastening or welding connection with the first elastic strip 2. The first sliding block 3 comprises a connecting column 31 and a first sliding block body 33 which are connected with each other, and the connecting column 31 is in bolt fastening connection or welding connection with the end seat 1.

In one embodiment, the slide assembly may be composed of a plurality of slides slidably connected to each other, and each slide converts the movement of the end seat 1 in the first direction and the movement of the first elastic strip 2 in the second direction to each other by sliding in different directions.

In this embodiment, the first elastic strip 2 is a strip-shaped structure or a sheet-shaped structure, the first elastic strip 2 has a certain elasticity, and the specific structures of the plurality of first elastic strips 2 may be different. By connecting one of the end seats 1 with mechanical equipment and connecting the other end seat 1 with a mounting base, when the mechanical equipment vibrates, the first elastic strip 2 can buffer the vibration, and the vibration impact of the mechanical equipment on the mounting base is reduced.

As shown in fig. 1, the first direction, the second direction and the third direction are all straight directions, for example, the first direction is arranged along a Z-axis direction, the second direction is arranged along an X-axis direction, the third direction is arranged along a straight dotted line direction in fig. 2, when the first slider 3 and the second slider 4 abut against each other, the third direction may also be understood as a direction parallel to a contact surface of the first slider 3 and the second slider 4, the third direction is arranged obliquely with respect to the first direction and the second direction, two first sliders 3 are arranged at an interval, and two second sliders 4 are arranged at an interval.

When the two end bases 1 move oppositely along the Z-axis direction due to the relative movement of mechanical equipment and the mounting base, the first sliding block 3 is contacted with the second sliding block 4, because the two first sliding blocks 3 are arranged up and down symmetrically relative to the second sliding block 4, the acting forces of the two first sliding blocks 3 and the second sliding block 4 in the Z-axis direction are mutually offset, the position of the second sliding block 4 in the Z-axis direction is kept unchanged, since the contact surfaces of the first slider 3 and the second slider 4 are inclined with respect to the X-axis and the Z-axis, when the first slide 3 moves along the Z-axis direction, the first slide 3 interacts with the second slide 4, the second slider moves along the surface of the first slider 3 (i.e., the second slider 4 moves in the third direction with respect to the first slider 3), so that the two second sliders 4 move away from each other in the X-axis direction. Similarly, when the two second sliders 4 move toward each other along the X-axis direction, the first slider 3 contacts the second slider 4, the first slider 3 interacts with the second slider 4, and the second slider 4 moves along the surface of the first slider 3, so that the two first sliders 3 move away from each other along the Z-axis direction.

In this embodiment, the first slider 3 and the second slider 4 are made of different materials, the first slider 3 is made of a steel material or another iron alloy material, the second slider 4 is made of copper or a copper alloy, and the first slider 3 and the second slider 4 made of different materials can prevent the first slider 3 and the second slider 4 from being bonded to each other.

From this, through with end seat 1 is connected with mechanical equipment, when external environment produced the vibration, first bullet strip 2 can cushion the vibration, can reduce mechanical equipment is to the vibration impact of its installation base, can avoid mechanical equipment's each part to produce resonance, also can avoid mechanical equipment to take place to destroy. Meanwhile, the two first sliding blocks 3 move oppositely along a first vertical direction, for example, because the first sliding block 3 and the second sliding block 4 can be in a wedge-shaped block structure and can be connected in a sliding manner along a third oblique direction, the movement of the first sliding block 3 along the first vertical direction can be converted into the movement of the second sliding block 4 along a second transverse direction, for example, the two second sliding blocks 4 move, so that the two oppositely arranged first elastic strips 2 are opened, and better buffering is achieved.

As shown in fig. 5 and 6, the first slider 3 includes a first guiding sliding surface structure 34, the second slider 4 includes a second guiding sliding surface structure 45, the first guiding sliding surface structure 34 is suitable for being attached to the second guiding sliding surface structure 45, the first guiding sliding surface structure 34 and the second guiding sliding surface structure 45 are respectively parallel to the third direction, and the first direction and the second direction are respectively arranged in an inclined manner with respect to the first guiding sliding surface structure 34 and the second guiding sliding surface structure 45.

Here, the first slider 3 and the second slider 4 may be both wedge-shaped structures, the first slider 3 has two first sliding guide surface structures 34, the second slider 4 has two second sliding guide surface structures 45, an included angle between the two first sliding guide surface structures 34 is α, an included angle between the two second sliding guide surface structures 45 is β, and a + β is 180 °. The first guiding and sliding surface structure 34 and the second guiding and sliding surface structure 45 are respectively disposed in an inclined manner relative to the YZ plane, that is, along the direction of the straight dotted line in fig. 2, and the first guiding and sliding surface structure 34 and the second guiding and sliding surface structure 45 are parallel to the third direction, when the first slider 3 moves along the second slider 4, sliding friction is generated between the first guiding and sliding surface structure 34 and the second guiding and sliding surface structure 45, that is, the first slider 3 moves along the second guiding and sliding surface structure 45 (that is, the first slider 3 moves relative to the second slider 4 along the third direction). Through the arrangement of the first sliding guide surface structure 34 and the second sliding guide surface structure 45, the stability of the sliding connection of the first sliding block 3 and the second sliding block 4 can be increased.

As shown in fig. 5 to 8, the first sliding block 3 further includes a guide block 32, the guide block 32 is disposed on the first sliding guide surface structure 34, the guide block 32 is disposed along the third direction, a guide groove 44 is disposed on the second sliding block 4, the guide groove 44 is matched with the guide block 32, and the guide groove 44 is adapted to slide along the guide block 32. That is to say, the guide groove 44 is provided on the second sliding guide surface structure 45, the guide groove 44 is provided along the third direction, and the guide block 32 and the guide groove 44 cooperate to form a limit for the first slider 3 and the second slider 4 in the Y-axis direction, and at the same time, to realize the sliding guide for the first slider 3 and the second slider 4.

As shown in fig. 5 to 8, the cross section of the guide block 32 is T-shaped, rectangular, trapezoidal, triangular or semicircular, the guide groove 44 is matched with the guide block 32, that is, the cross section of the guide groove 44 is the same as the cross section of the guide block 32, and the cross section of the guide groove 44 and the cross section of the guide block 32 refer to a section perpendicular to the third direction. Preferably, the guide block 32 may be a T-shaped guide block, and the guide groove 44 is a T-shaped groove, and the T-shaped guide block may interact with an inner wall of the T-shaped groove when the first slider 3 slides relative to the second slider 4. For example, when the two first sliding blocks 3 move back to back, under the interaction of the T-shaped guide block and the T-shaped groove, the first sliding block 3 can pull the second sliding block 4 to move, so that the two second sliding blocks 4 move towards each other, and the resetting is realized.

In this embodiment, as shown in fig. 2, the vibration isolator further includes a first elastic member 8, and both ends of the first elastic member 8 are respectively connected to the two second sliders 4; the first elastic member 8 is arranged along the second direction in the stretching direction, and the first elastic member 8 may be an extension spring, a rubber band or an elastic rope.

In one embodiment, the two ends of the first elastic element 8 are respectively provided with a gasket 9, and the first elastic element is connected with the second sliding block 4 through the gaskets 9, specifically, the gaskets 9 can be connected with the second sliding block 4 through welding or screw fastening. In one embodiment, both ends of the first elastic member 8 may be directly welded to the second slider 4. In one embodiment, a pull ring may be disposed on the second slider 4, and the first elastic member 8 and the second slider 4 are connected by the connection of the first elastic member 8 and the pull ring. When the two first sliding blocks 3 move towards each other, the two second sliding blocks 4 move back to back, and the two second sliding blocks 4 can be reset under the action of the first elastic piece 8 because the first elastic piece 8 is an extension spring. When the stretching degrees of the first elastic member 8 are different, the tensile force of the first elastic member 8 is different, thereby realizing variable damping force output.

In this embodiment, the second slider 4 is provided with a limiting groove, the first elastic member 8 may be an extension spring, and two ends of the extension spring are respectively accommodated in the two limiting grooves, so as to radially position the extension spring.

In this embodiment, as shown in fig. 4, the vibration isolator further includes a guide post 6, the guide post 6 is disposed along the second direction, a first through hole 43 is formed on the second slider 4, and the guide post 6 passes through the first through hole 43 and is connected to the first elastic strip 2. Here, the axial direction of the guide post 6 is the same as the extending and retracting direction of the first elastic member 8, when the second slider 4 moves along the second direction, the guide post 6 can guide the movement of the second slider 4 to prevent the second slider 4 from shaking, and the positioning of the first slider 3 is realized by positioning the second slider 4 in cooperation with the guide block 32 and the guide groove 44.

In this embodiment, as shown in fig. 3, the vibration isolator further includes a fastening member 5 and a second elastic member 7, the second elastic member 7 is located between the fastening member 5 and the second slider 4, the first elastic strip 2 connected with the second slider 4 is provided with a second through hole, and two ends of the guide post 6 respectively penetrate through the corresponding first through hole 43, the second through hole and the second elastic member 7 in sequence and then are connected with the fastening member 5.

Here, the second elastic member 7 and the fastening member 5 correspond to the position of the second through hole corresponding to the position of the first through hole 43, and the second through hole is coaxial with the first through hole 43 when the second slider 4 is coupled to the first elastic band 2. The fastening piece 5 can be a nut, two ends of the guide column 6 are provided with threaded structures, and the fastening piece 5 can be in threaded connection with the guide column 6. Fastener 5 also can be other joint spare, can set up on guide post 6 with the joint structure that joint spare corresponds, fastener 5 with 6 joint of guide post or the cooperation of pegging graft. The second elastic member 7 may be a disc spring, a spring or other elastic pad, and the arrangement of the second elastic member 7 may further increase the buffering effect on the vibration.

Preferably, the outer wall of the first elastic strip 2 is provided with a plane portion, the second elastic member 7 is suitable for abutting against the plane portion, and the second through hole is formed in the plane portion, so that the stress of the second elastic member 7 is more stable.

In this embodiment, as shown in fig. 3, the vibration isolator further includes at least one second elastic strip 10, two ends of the second elastic strip 10 are respectively connected to the two end bases 1, and all the second elastic strips 10 are arranged at intervals along the circumferential direction of the end bases 1; the second elastic strip 10 is of an arc-shaped structure, and the concave surface of the second elastic strip 10 faces the slider assembly;

and/or, the first elastic strip 2 is an arc-shaped structure, the second sliding block 4 comprises an arc-shaped surface structure 41, and the arc-shaped surface structure 41 is suitable for being attached to the concave surface of the first elastic strip 2.

The first elastic strip 2 is in an arched structure, the first elastic strip 2 protrudes outwards from an area surrounded by all the first elastic strips 2, the concave surface of the first elastic strip 2 means that the first elastic strip 2 is close to one side wall of the slider assembly, and the arched surface structure 41 is matched with the shape of the first elastic strip 2. Therefore, when the external environment generates vibration and acts on the end seat 1, the two end seats 1 move oppositely, the first elastic strip 2 which is bent can avoid interference on the movement of the end seat 1, and meanwhile, a cushioning effect can be achieved. The second elastic strip 10 is in an arch structure, the second elastic strip 10 protrudes outwards, the second elastic strip 10 protrudes out of an area surrounded by all the second elastic strips 10, and the concave surface of the second elastic strip 10 means that the second elastic strip 10 is close to one side wall of the sliding block assembly. Through the setting of second bullet strip 10, when external environment produces the vibration and acts on when the end seat 1, two end seat 1 moves in opposite directions, and crooked second bullet strip 10 also can play the bradyseism effect.

In this embodiment, as shown in fig. 3, the first elastic strip 2 is provided with a limiting groove 23, the second sliding block 4 includes a limiting protrusion 42, and the limiting protrusion 42 is in limiting fit with the limiting groove 23. The limiting groove 23 is located on the inner side wall of the first elastic strip 2, the limiting protrusion 42 is arranged on the arc-shaped surface structure 41, the limiting protrusion 42 is matched with the limiting groove 23, and the limiting protrusion 42 is accommodated in the limiting groove 23, so that the second sliding block 4 can be prevented from moving along the Z-axis direction.

In this embodiment, as shown in fig. 3, the first elastic strip 2 includes a first rubber layer 22 and two first metal layers 21, the first rubber layer 22 is located between the two first metal layers 21, a plurality of first protrusions are distributed on the surface of the first rubber layer 22, a plurality of first recesses are distributed on the surface of the first metal layer 21, and the first protrusions are matched with the first recesses;

and/or the second elastic strip 10 comprises a second rubber layer and two second metal layers, the second rubber layer is located between the two second metal layers, a plurality of second convex parts are distributed on the surface of the second rubber layer, a plurality of second concave parts are distributed on the surface of the second metal layer, and the second convex parts are matched with the second concave parts.

Here, the first rubber layer 22 and the first metal layer 21 may be adhesively connected, the first rubber layer 22 may be a rubber sheet, and the first metal layer 21 may be a metal strip or a metal sheet. The high damping and vibration damping is realized by utilizing the negative stiffness characteristic of the arc-shaped first metal layer 21 and the mutual matching of shearing when the first rubber layer 22 is bent, the surface of the first rubber layer 22 close to the first metal layer 21 is provided with a plurality of first convex parts, as shown in fig. 2, the surface of the first rubber layer 22 close to one side of the X axis in the forward direction or the reverse direction is provided with the first convex parts, one side surface of the first metal layer 21 close to the first rubber layer 22 is provided with a plurality of first concave parts, the longitudinal section of each first convex part can be trapezoidal, rectangular or arched, and the positions of the first concave parts and the first convex parts correspond to each other, so that the contact area between the first metal layer 21 and the first rubber layer 22 can be increased, and the damping performance of the vibration isolator can be improved. Similarly, the structural composition of the second elastic strip 10 is the same as that of the first elastic strip 2, and the widths of the first elastic strip 2 and the second elastic strip 10 can be the same or different; the second rubber layer and the second metal layer may be adhesively connected, the second rubber layer may be a rubber sheet, and the second metal layer may be a metal strip or a metal sheet. The arc negative stiffness characteristic of the second metal layer and the shearing mutual matching of the second rubber layer during bending are utilized to realize high damping and vibration damping, the surface of the second rubber layer close to the second metal layer is provided with a plurality of second protruding parts, as shown in figure 2, the surface of the second rubber layer close to one side of the X axis in the forward direction or the reverse direction is provided with the protruding parts, one side surface of the second metal layer close to the second rubber layer is provided with a plurality of second concave parts, the longitudinal section of each second protruding part can be in a trapezoid shape, a rectangular shape or an arch shape, and the positions of the second concave parts and the second protruding parts correspond, so that the contact area between the second metal layer and the second rubber layer can be increased, and the damping performance of the vibration isolator is improved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. A vibration isolator is characterized by comprising two end seats (1), a sliding block assembly and at least two first elastic strips (2); the both ends of first bullet strip (2) are respectively with two end holder (1) is connected, two end holder (1) sets up relatively, and all first bullet strip (2) are followed the circumference interval of end holder (1) sets up, slider assembly is located all first bullet strip (2) surround the region that forms, slider assembly respectively with end holder (1) with first bullet strip (2) are connected, slider assembly is suitable for to make end holder (1) along the motion of first direction with the motion interconversion of second direction is followed to first bullet strip (2).

2. The vibration isolator according to claim 1, characterized in that the slide block assembly comprises at least one first slide block (3) and two second slide blocks (4), each second slide block (4) is connected with one first elastic strip (2), and each first slide block (3) is connected with one end seat (1); the first sliding block (3) is suitable for being abutted against the second sliding block (4), the first sliding block (3) is suitable for sliding relative to the second sliding block (4) along a third direction, so that the movement of the first sliding block (3) along the first direction and the movement of the second sliding block (4) along the second direction are mutually converted, and the first direction, the second direction and the third direction are mutually not collinear.

3. The vibration isolator according to claim 2, wherein the first slider (3) comprises a first guide sliding surface structure (34), the second slider (4) comprises a second guide sliding surface structure (45), the first guide sliding surface structure (34) is suitable for being attached to the second guide sliding surface structure (45), and the first guide sliding surface structure (34) and the second guide sliding surface structure (45) are respectively parallel to the third direction.

4. The vibration isolator according to claim 3, wherein the first slider (3) further comprises a guide block (32), the guide block (32) is arranged on the first guide sliding surface structure (34), the guide block (32) is arranged along the third direction, a guide groove (44) is formed in the second slider (4), the guide groove (44) is matched with the guide block (32), and the guide groove (44) is suitable for sliding along the guide block (32).

5. The isolator according to claim 4, characterized in that said guide block (32) has a T-shaped, rectangular, trapezoidal, triangular or semi-circular cross section, said guide slot (44) being adapted to said guide block (32).

6. The vibration isolator according to any one of claims 2 to 5, further comprising a first elastic member (8), wherein both ends of the first elastic member (8) are respectively connected with the two second sliders (4).

7. The vibration isolator according to claim 6, further comprising a guide post (6), wherein the guide post (6) is arranged along the second direction, the second slider (4) is provided with a first through hole (43), and the guide post (6) penetrates through the first through hole (43) and is connected with the first elastic strip (2).

8. The vibration isolator according to claim 7, further comprising a fastening member (5) and a second elastic member (7), wherein the second elastic member (7) is located between the fastening member (5) and the second slider (4), the first elastic strip (2) connected with the second slider (4) is provided with a second through hole, and two ends of the guide post (6) respectively penetrate through the corresponding first through hole (43), the second through hole and the second elastic member (7) in sequence and then are connected with the fastening member (5).

9. The vibration isolator according to any one of claims 2 to 5, further comprising at least one second elastic strip (10), wherein two ends of the second elastic strip (10) are respectively connected with the two end seats (1), and all the second elastic strips (10) are arranged at intervals along the circumferential direction of the end seats (1); the second elastic strip (10) is of an arc-shaped structure, and the concave surface of the second elastic strip (10) faces the sliding block assembly;

and/or, first bullet strip (2) are the arc structure, second slider (4) include arcwall face structure (41), arcwall face structure (41) be suitable for with the concave surface laminating of first bullet strip (2).

10. The vibration isolator according to claim 9, wherein the first elastic strip (2) comprises a first rubber layer (22) and two first metal layers (21), the first rubber layer (22) is located between the two first metal layers (21), a plurality of first protrusions are distributed on the surface of the first rubber layer (22), a plurality of first recesses are distributed on the surface of the first metal layer (21), and the first protrusions are matched with the first recesses;

and/or the second elastic strip (10) comprises a second rubber layer and two second metal layers, the second rubber layer is positioned between the two second metal layers, a plurality of second convex parts are distributed on the surface of the second rubber layer, a plurality of second concave parts are distributed on the surface of the second metal layer, and the second convex parts are matched with the second concave parts.