Assembled vibration isolator

Abstract

The utility model discloses an assembly type vibration isolator which comprises a base, the outer side of the top of the base is connected with a limiting upper base in a screwed mode through threads, an elastic damping piece capable of buffering impact force is movably arranged between the limiting upper base and the base, and a multi-layer metal gasket structure which rubs with the elastic damping piece is arranged in the base. The multi-layer metal gasket structure is assembled through an elastic metal frame sleeve, a lifting guide sleeve with an arc-shaped protruding structure is designed, and the inner side of the lifting guide sleeve is also provided with an arc-shaped multi-layer metal gasket structure, so that after the contact head is impacted to force the lifting guide sleeve to move downwards by a part, the lifting guide sleeve moves downwards. The arc-shaped lifting guide sleeve and the inner side of the multi-layer metal gasket structure buffer part of impact force through mutual friction force, and the shock insulation effect is achieved in a matched mode. And the designed multi-layer metal gasket structure can be assembled together through the elastic metal frame sleeve, the bottommost part is locked with the base through the locking bolt, and the whole multi-layer metal gasket structure can be stably kept in the base.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vibration isolator, specifically relates to an assembled vibration isolator. BACKGROUND

[0002] Due to the influence of material performance and structure, the anti-impact capacity of ship equipment is generally not more than 30g. Even if due to the existence of spectrum drop phenomenon, for a few large mass ship equipments like diesel engine, although it can bear the larger impact input at the installation base, its anti-base impact excitation capacity still cannot reach the acceleration order of magnitude of 102g-103g generated by the underwater non-contact explosion impact environment, so it is necessary to take the installation vibration isolator between the ship equipment and the installation base.

[0003] The existing vibration isolator is generally simply isolated through the elastic damping structure, so that the elastic damping structure bears all impact forces, resulting in the service life of the elastic damping structure being affected. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of assembled vibration isolators, to solve the problems presented in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: an assembled vibration isolator, including base, the top outer side of the base is connected by screwing with limit upper seat, the elastic damping piece that can buffer impact force is movably arranged between limit upper seat and base, the inside of the base is provided with the multilayer metal washer structure that is mutually rubbed with elastic damping piece, the multilayer metal washer structure is assembled by elastic metal frame cover, and the bottom of multilayer metal washer structure is connected with base.

[0006] Preferably, the multilayer metal washer structure is stacked from top to bottom by metal mesh pad, silica gel ring, metal buffer guide washer and metal limit guide ring, the bottom of the metal limit guide ring is connected with the base by locking bolt, and the outer surface of the multilayer metal washer structure forms a pair of connecting grooves.

[0007] Preferably, the elastic metal frame cover includes an upper frame cover sleeved on the metal mesh pad, a pair of extension edges located at the bottom edge of the upper frame cover, and the extension edges extend to the outside of the metal limit guide ring along the connecting grooves, the outside of the metal limit guide ring is provided with a clamping groove aligned with the connecting grooves, the bottom end of the extension edge can be limited by extending into the clamping groove through the buckle, and the end of the buckle is embedded with a magnet, and the end of the buckle is attached to the clamping groove by the magnet.

[0008] Preferably, the elastic damping piece comprises a lifting guide sleeve located inside the limiting upper seat, the top end of the lifting guide sleeve extends to the top outside of the limiting upper seat, and a contact head is installed at the top end of the lifting guide sleeve, the bottom end of the lifting guide sleeve extends to the inside of the multi-layer metal gasket structure, the inside of the lifting guide sleeve is provided with a spring, the top end of the spring is connected with the contact head, the bottom end of the spring is connected with a lower mounting seat on the bottom surface of the inside of the base, the outer surface of the lifting guide sleeve is provided with a ring of arc-shaped protruding structures, and the inside of the metal mesh gasket is provided with an arc-shaped structure capable of buffering the arc-shaped protruding structures on the lifting guide sleeve.

[0009] Preferably, the outside edge of the base is provided with a fixed bottom plate in extension, and the base and the fixed bottom plate are in an integrated structure, and one fixed hole is arranged at the periphery of the fixed bottom plate.

[0010] Preferably, the inner diameter of the metal buffer guide gasket matches the outer diameter of the end of the lifting guide sleeve, and the arc-shaped structure of the metal mesh gasket is provided with a mesh groove for increasing friction.

[0011] Compared with the prior art, the lifting guide sleeve with the arc-shaped protruding structure is designed, the inside is also provided with the arc-shaped multi-layer metal gasket structure, so that after the contact head is impacted and forced to move downward by a part of the lifting guide sleeve, the arc-shaped lifting guide sleeve and the inside of the multi-layer metal gasket structure buffer a part of the impact force through mutual friction, and the shock insulation effect is achieved.

[0012] The multi-layer metal gasket structure is assembled together through the elastic metal frame sleeve, the bottom is locked with the base through the locking bolt, the entire multi-layer metal gasket structure can be stably kept inside the base when buffering through friction, the overall structure is flexibly assembled, and any one structural member can be conveniently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0015] Figure 3 It is an explosion structure schematic view of the utility model;

[0016] Figure 4 It is a sectional structure schematic view of the elastic metal frame sleeve of the utility model;

[0017] In the figure: 1, base; 2, fixed bottom plate; 3, limit upper seat; 4, lifting guide sleeve; 5, contact head; 6, lower mounting seat; 7, metal limit guide ring; 8, metal buffer guide washer; 9, silica gel ring; 10, metal mesh pad; 11, extension edge; 12, spring; 13, upper frame sleeve; 14, clamping groove; 15, connecting groove; 16, buckle; 17, magnet; 18, locking bolt. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment 1

[0020] Please refer to Figure 1 and Figure 4 The present application provides a technical solution: an assembled vibration isolator, comprising a base 1, a limit upper seat 3 is connected to the top outer side of the base 1 through threaded rotation, an elastic damping member capable of buffering impact force is movably arranged between the limit upper seat 3 and the base 1, a multilayer metal washer structure capable of rubbing with the elastic damping member is arranged in the interior of the base 1, the multilayer metal washer structure is assembled through an elastic metal frame sleeve, and the bottom of the multilayer metal washer structure is connected with the base 1.

[0021] In the embodiment, preferably, the multilayer metal gasket structure is stacked from top to bottom by the metal mesh gasket 10, the silica gel ring 9, the metal buffer guide gasket 8 and the metal limiting guide ring 7, the metal limiting guide ring 7 is connected with the bottom of the base 1 through the locking bolt 18, in order to ensure the stable connection, the outer surface of the multilayer metal gasket structure is formed with a pair of connecting grooves 15 for the subsequent extension edges 11 to pass through, so that the buckle 16 is aligned with the clamping groove 14. In the embodiment, preferably, the elastic metal frame sleeve includes the upper frame sleeve 13 sleeved on the metal mesh gasket 10, the pair of extension edges 11 located at the bottom edge of the upper frame sleeve 13, and the extension edges 11 extending to the outside of the metal limiting guide ring 7 along the connecting grooves 15, the outside of the metal limiting guide ring 7 is provided with the clamping groove 14 aligned with the connecting grooves 15, the bottom end of the extension edge 11 is limited to extend into the clamping groove 14 through the buckle 16, the end of the buckle 16 is embedded with the magnet 17, and the end of the buckle 16 is attached to the clamping groove 14 through the magnet 17, so as to ensure that the whole multilayer metal gasket structure forms a whole and is stably installed in the base 1. In the embodiment, preferably, the elastic damping member includes the lifting guide sleeve 4 located in the inner side of the limiting upper seat 3, the top end of the lifting guide sleeve 4 extends to the top outside of the limiting upper seat 3, and the top end of the lifting guide sleeve 4 is provided with the contact head 5, the bottom end of the lifting guide sleeve 4 extends to the inner side of the multilayer metal gasket structure, the inner side of the lifting guide sleeve 4 is provided with the spring 12, the top end of the spring 12 is connected with the contact head 5, the bottom end of the spring 12 is connected with the lower mounting seat 6 of the inner bottom surface of the base 1, and the outer surface of the lifting guide sleeve 4 is provided with a ring of arc-shaped protruding structures, the inner side of the metal mesh gasket 10 is provided with an arc-shaped structure capable of rubbing and buffering the arc-shaped protruding structures on the lifting guide sleeve 4, when the lifting guide sleeve 4 is impacted and lowered to a certain distance, the arc-shaped protruding structures and the arc-shaped structure on the inner side of the metal mesh gasket 10 rub each other, so as to disperse and buffer part of the impact force through the friction force, so that the spring 12 is not excessively compressed, and the service life of the spring 12 is avoided to be shortened.

[0022] In the embodiment, preferably, the outer edge of the base 1 is provided with the fixed bottom plate 2, and the base 1 and the fixed bottom plate 2 are an integrated structure, one fixed hole is arranged at each of the four peripheries of the fixed bottom plate 2, so as to facilitate the fixed installation of the base 1. In the embodiment, preferably, the inner diameter of the metal buffer guide gasket 8 matches the outer diameter of the end of the lifting guide sleeve 4, and the arc-shaped structure of the metal mesh gasket 10 is provided with a mesh groove for increasing the friction force.

[0023] Although the embodiments of the utility model have been shown and described in detail, and the detailed description is shown above, those skilled in the art can understand that the embodiments can be changed, modified, replaced and changed in many ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An assembled vibration isolator comprising a base (1), characterised in that: The top outer side of the base (1) is connected with a limiting upper seat (3) through screwing, and an elastic damping member capable of buffering impact is movably arranged between the limiting upper seat (3) and the base (1); the inside of the base (1) is provided with a multilayer metal gasket structure capable of rubbing against the elastic damping member, the multilayer metal gasket structure is assembled through an elastic metal frame sleeve, and the bottom of the multilayer metal gasket structure is connected with the base (1).

2. An assembled vibration isolator according to claim 1, characterized in that: The multilayer metal gasket structure is stacked from top to bottom through a metal mesh gasket (10), a silica gel ring (9), a metal buffer guide gasket (8) and a metal limiting guide ring (7) in sequence, the metal limiting guide ring (7) is connected with the bottom of the base (1) through a locking bolt (18), and the outer surface of the multilayer metal gasket structure forms a pair of connecting grooves (15).

3. An assembled vibration isolator according to claim 2, wherein: The elastic metal frame sleeve comprises an upper frame sleeve (13) sleeved on the metal mesh gasket (10), a pair of extension edges (11) located at the bottom edge of the upper frame sleeve (13), and the extension edges (11) extend to the outside of the metal limiting guide ring (7) along the connecting grooves (15); the outside of the metal limiting guide ring (7) is provided with clamping grooves (14) aligned with the connecting grooves (15); the bottom end of the extension edges (11) can be limited in the clamping grooves (14) through clamping buckles (16); the end of the clamping buckles (16) is embedded with magnets (17); and the end of the clamping buckles (16) is attached to the clamping grooves (14) through the magnets (17).

4. An assembled vibration isolator according to claim 3, wherein: The elastic damping member comprises a lifting guide sleeve (4) located at the inside of the limiting upper seat (3); the top end of the lifting guide sleeve (4) extends to the top outer side of the limiting upper seat (3), and the top end of the lifting guide sleeve (4) is provided with a contact head (5); the bottom end of the lifting guide sleeve (4) extends to the inside of the multilayer metal gasket structure; the inside of the lifting guide sleeve (4) is provided with a spring (12); the top end of the spring (12) is connected with the contact head (5); the bottom end of the spring (12) is connected with a lower mounting seat (6) on the bottom surface of the inside of the base (1); the outer surface of the lifting guide sleeve (4) is provided with a ring of arc-shaped protruding structures; and the inside of the metal mesh gasket (10) is provided with an arc-shaped structure capable of rubbing against and buffering the arc-shaped protruding structures on the lifting guide sleeve (4).

5. An assembled vibration isolator according to claim 1, wherein: The outside edge of the base (1) is provided with a fixed bottom plate (2), and the base (1) and the fixed bottom plate (2) are of an integrated structure; and the fixed bottom plate (2) is provided with a fixed hole around.

6. An assembled vibration isolator according to claim 4, characterized in that: The inner diameter of the metal buffer guide gasket (8) matches the outer diameter of the end of the lifting guide sleeve (4); and the arc-shaped structure of the metal mesh gasket (10) is provided with a mesh groove for increasing friction.

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