CN220394177U - Novel vibration damping fastener - Google Patents

Abstract

The utility model provides a novel vibration reduction fastener, and belongs to the technical field of vibration reduction fasteners. The novel rubber cushion comprises a base iron cushion, a rubber cushion, a floating iron cushion and a rubber cushion are sequentially arranged above the base iron cushion, the rubber cushion comprises a rubber plate and a plurality of rubber round tables which are distributed in a rectangular array and are arranged on the end face of the rubber plate, a mounting groove for mounting the rubber cushion is formed in the base iron cushion, the floating iron cushion above the rubber cushion is connected with the base iron cushion through a limiting structure, the rubber cushion comprises a cushion body and grooves which are distributed on two ends of the cushion body in a staggered mode, and a mounting face for mounting the rubber cushion is arranged on the floating iron cushion. The grooves can reduce the contact area with the steel rail and the floating iron backing plate so as to reduce vibration, and the space in the grooves can absorb and buffer the vibration; the rubber round tables can reduce the contact area with the floating iron backing plate to play a role in vibration reduction, and gaps formed between the rubber round tables can uniformly absorb and buffer vibration; the internal connection of the fastener is stable.

Description

Novel vibration damping fastener

Technical Field

The utility model belongs to the technical field of vibration reduction fasteners, and relates to a novel vibration reduction fastener.

Background

The rail transit load is big, and locomotive vibration, track irregularity during operation can produce wheel rail vibration impact force, leads to peripheral building to produce and rocks and produce noise pollution, installs the damping fastener on the track and is the effective measure of alleviating vibration, noise reduction, appears shifting easily between each part of present damping fastener and influences its damping performance, and the vibration of damping fastener and rail contact department is great in addition, can't effectively alleviate, and the inside damping effect of damping fastener is also unsatisfactory.

For example, chinese patent discloses an elastic chute type vibration damping fastener suitable for inner line of subway vehicle section warehouse [ application number: 201721460461.2 it includes rail, sleeper, board lower bolster, base iron bolster, vibration isolator, floating iron bolster and rail lower bolster, and base iron bolster both sides middle part has the boss, floating iron bolster both sides middle part has the spout with boss looks adaptation, floating iron bolster is located on the boss of base iron bolster through its spout cover, just the boss is nested between spout and the spout has elasticity wear-resisting cover, elasticity wear-resisting cover and boss fixed connection, be natural close contact between elasticity wear-resisting cover and the spout

The damping fastener in the scheme can enable the floating iron pad plate to vibrate up and down only and can limit the transverse and longitudinal movement of the floating iron pad plate, but the problems that the vibration between the rail lower pad plate and the steel rail is large and the vibration inside the fastener is large still exist.

Disclosure of Invention

The utility model aims to solve the problems and provides a novel vibration reduction fastener.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel damping fastener, includes the base iron backing plate, base iron backing plate top be equipped with rubber cushion in proper order, floating iron backing plate and rubber backing plate, rubber cushion include the rubber slab and set up a plurality of rubber round tables that are rectangular array distribution on the rubber slab terminal surface, base iron backing plate on be equipped with the mounting groove that is used for installing rubber cushion, link to each other through limit structure between the floating iron backing plate and the base iron backing plate that are located rubber cushion top, rubber backing plate include backing plate body and dislocation distribution recess on backing plate body both ends, floating iron backing plate on be equipped with the installation face that is used for installing rubber backing plate.

As the rubber backing plate with rail direct contact, can reduce the area of contact between rubber backing plate and rail and the floating iron backing plate through the dislocation of its both ends face set up recess, with the vibration that reduces between rubber backing plate and rail and the floating iron backing plate, the space that forms in the recess can absorb, buffer vibration plays the damping effect in addition, the rubber pad piece that is the damping core spare is installed and is prevented that the rubber slab from appearing shifting and can reduce the whole height of fastener in the mounting groove, rubber round platform on the rubber slab terminal surface distributes evenly and can reduce the area of contact between rubber cushion and the floating iron backing plate and play the damping effect, in addition, the clearance that forms between the rubber round platform can evenly absorb, buffer vibration plays the damping effect, promote the damping performance of damping fastener greatly, limit structure plays horizontal and vertically spacing effect to the floating iron backing plate.

In the novel vibration reduction fastener, the two width sides of the base plate body are respectively provided with the buckle plates, and the buckle plates and the bottom of the base plate body are provided with the buckle grooves for being buckled on the installation surface.

The buckle groove formed at the bottom of the buckle plate and the bottom of the cushion plate body is convenient for the buckle disassembly and assembly of the rubber cushion plate, and can play a role in longitudinal limiting, so that the cushion plate body is prevented from longitudinal displacement.

In the novel vibration reduction fastener, limit baffles are distributed on two length sides of the base plate body in a dislocation mode.

The limit baffle of two lengths of backing plate body plays horizontal spacing effect to the rubber backing plate, prevents that the backing plate body from appearing horizontal aversion to make things convenient for the dismantlement of rubber backing plate.

In the novel vibration reduction fastener, the cross section of the groove is arc-shaped and distributed along the length direction of the backing plate body.

The cross section of recess is convex and distributes along backing plate body length direction, can ensure the space in the recess in the at utmost, plays the effect that increases damping area and absorbs, buffering vibration, improves damping performance greatly.

In the novel vibration reduction fastener, the cross section of the rubber round table is isosceles trapezoid, and the number of the rubber round tables is 20, and the rubber round tables are distributed in a 5-row 4-row rectangular array.

The surface area of the head end of the rubber round table is smaller than that of the tail end, the contact area with the floating iron backing plate is further reduced, vibration is reduced, the rubber round table is distributed in a rectangular array of 20 rows and 5 columns, the gaps between the rubber round tables are uniformly distributed, vibration can be uniformly absorbed and buffered, and vibration reduction performance is greatly improved.

In the novel vibration damping fastener, the limiting structure comprises limiting bosses which are distributed on two sides of the mounting groove in a staggered mode, a limiting groove matched with the limiting boss is formed in the bottom of the floating iron base plate, and an elastic longitudinal limiting sleeve which is in tight fit with the limiting boss and the limiting groove is further arranged between the limiting boss and the limiting groove.

The spacing groove buckle of floating iron backing plate bottom is on the spacing boss of base iron backing plate to two spacing boss dislocation sets, and the atress is more even, and vertical spacing effect is better, and elasticity vertical stop collar respectively with spacing boss and spacing groove between tight fit, the vertical spacing effect of reinforcing floating iron backing plate that can be further prevents that it from appearing vertically shifting.

In the novel vibration reduction fastener, the limiting structure further comprises stop shoulders which are distributed on two sides of the base iron base plate in a staggered mode, the stop shoulders are clamped with transverse limiting pads, and the end faces of the transverse limiting pads are abutted against the outer walls of two sides of the floating iron base plate.

The transverse limiting pad is very difficult to flatten in compression rigidity, and can play a role in transverse limiting and overturning limiting on the floating iron backing plate.

In the novel vibration damping fastener, clamping sliding grooves are circumferentially distributed on the outer wall of the limiting boss, clamping protrusions which are in sliding connection with the clamping sliding grooves are respectively arranged on the two inner side walls of the elastic longitudinal limiting sleeve, and the two outer side walls of the elastic longitudinal limiting sleeve are respectively propped against the two sides of the limiting groove.

The elastic longitudinal limit sleeve is clamped with the clamping sliding groove of the limit boss through the clamping protrusion, so that longitudinal displacement can not occur between the elastic longitudinal limit sleeve and the limit boss, and the elastic longitudinal limit sleeve is tightly matched with the limit groove, so that the longitudinal limit effect of the floating iron base plate can be further enhanced.

In the novel vibration damping fastener, the transverse limiting pad comprises a fixed iron plate and an inclined base plate, the inclined base plate is connected with the fixed iron plate through a rubber layer, a plurality of lining plates are distributed in the rubber layer, clamping convex blocks are arranged at the center of the fixed iron plate, clamping grooves matched with the clamping convex blocks are formed in the retaining shoulders, and positioning grooves respectively located on two sides are formed in the fixed iron plate, the rubber layer, the lining plates and the inclined base plate.

The inclined base plate has the inclination to prevent the floating iron base plate from sliding upwards along the surface of the inclined base plate, plays a self-locking role, and the inner lining plate plays a role in strengthening the strength of the rubber layer, and the fixed iron plate is clamped in the clamping groove of the retaining shoulder through the clamping convex blocks, so that the clamping convex blocks have larger volumes and can bear the shearing force well, and are firmly connected with the retaining shoulder, and the positioning groove is convenient for assembling the fixed iron plate, the rubber layer, the inner lining plate and the inclined base plate.

In the novel vibration damping fastener, bolt positioning sleeves are arranged on two sides of the floating iron base plate in a staggered mode, stud bolts penetrating through the base iron base plate are arranged in the bolt positioning sleeves, spring gaskets and self-locking nuts are sequentially arranged between the upper end faces of the bolt positioning sleeves and the stud bolts, and fixing nuts sleeved on the stud bolts are arranged between the lower end faces of the bolt positioning sleeves and the base iron base plate.

The base iron backing plate and the backing plate are fixed on the sleeper through the lower thread section of the stud bolt and the fixing nut, and the floating iron backing plate is firmly connected with the base iron backing plate through the upper thread section of the stud bolt, the spring washer and the self-locking nut.

Compared with the prior art, the utility model has the advantages that: 1. the grooves on the two end surfaces of the rubber backing plate can reduce the contact area between the rubber backing plate and the steel rail and the floating iron backing plate so as to reduce vibration, and the space in the grooves can absorb and buffer the vibration to play a role in vibration reduction. 2. The rubber round platforms on the rubber plates can reduce the contact area between the rubber round platforms and the floating iron base plates to play a role in vibration reduction, and gaps formed between the rubber round platforms can uniformly absorb and buffer vibration to play a role in vibration reduction, so that the vibration reduction performance of the vibration reduction fastener is greatly improved. 3. The components in the fastener are firmly connected, and loose displacement cannot occur.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is a schematic structural view of a base iron pad;

FIG. 3 is a schematic structural view of a floating iron shim plate;

FIG. 4 is a cross-sectional view between a limit boss and a limit slot;

FIG. 5 is a schematic view of the structure of a rubber mat;

FIG. 6 is a cross-sectional view of a rubber shim plate;

fig. 7 is a front view of a rubber mat:

FIG. 8 is a side view of a rubber pad;

FIG. 9 is a schematic view of the structure of the elastic longitudinal stop collar;

FIG. 10 is a schematic view of the structure of the lateral stop pad;

fig. 11 is a schematic structural view of a fixed iron plate;

FIG. 12 is a schematic structural view of the interior lining;

fig. 13 is a schematic structural view of the tilt pad.

In the figure, a base iron pad 1, a rubber pad 2, a floating iron pad 3, a rubber pad 4, a rubber plate 5, a rubber round table 6, an installation groove 7, a limit structure 8, a pad body 9, a groove 10, an installation surface 11, a buckle plate 12, a buckle groove 13, a limit baffle 14, a limit boss 15, a limit groove 16, an elastic longitudinal limit sleeve 17, a stop shoulder 18, a transverse limit pad 19, a clamping chute 20, a clamping protrusion 21, a fixed iron plate 22, an inclined pad 23, a rubber layer 24, an inner lining plate 25, a clamping bump 26, a clamping groove 27, a bolt positioning sleeve 28, a stud 29, a spring pad 30, a self-locking nut 31, a fixed nut 32 and a positioning groove 33.

Detailed Description

As shown in fig. 1-8, a novel vibration damping fastener comprises a base iron base plate 1, wherein a rubber cushion block 2, a floating iron base plate 3 and a rubber base plate 4 are sequentially arranged above the base iron base plate 1, the rubber cushion block 2 comprises a rubber plate 5 and a plurality of rubber round tables 6 which are distributed in a rectangular array and are arranged on the end face of the rubber plate 5, an installation groove 7 for installing the rubber cushion block 2 is formed in the base iron base plate 1, the floating iron base plate 3 above the rubber cushion block 2 is connected with the base iron base plate 1 through a limiting structure 8, the rubber base plate 4 comprises a base plate body 9 and grooves 10 distributed on two ends of the base plate body 9 in a staggered mode, and an installation face 11 for installing the rubber base plate 4 is arranged on the floating iron base plate 3.

According to the utility model, the bottom of the base iron backing plate 1 is arranged on a sleeper through the backing plate, the uppermost rubber backing plate 4 is provided with the steel rail, the steel rail is used as the rubber backing plate 4 which is in direct contact with the steel rail, the contact area between the rubber backing plate 4 and the steel rail and between the rubber backing plate 4 and the floating iron backing plate 3 can be reduced through arranging the grooves 10 at the two end surfaces of the steel rail in a staggered manner, so that vibration between the rubber backing plate 4 and the steel rail and between the rubber backing plate 3 can be reduced, in addition, the space formed in the grooves 10 can absorb and buffer vibration to play a role in vibration reduction, the rubber backing plate 2 serving as a vibration reduction core piece is arranged in the mounting groove 7 to prevent the rubber backing plate 5 from shifting and reduce the whole height of a fastener, the contact area between the rubber backing plate 2 and the floating iron backing plate 3 can be reduced due to uniform distribution of the rubber round platforms 6 on the end surfaces of the rubber backing plate 5, in addition, the formed gaps between the rubber round platforms 6 can uniformly absorb and buffer vibration to play a role in vibration reduction, the vibration reduction performance of the vibration reduction fastener is greatly improved, and the vibration reduction performance of the vibration reduction structure 8 plays a role in transverse and longitudinal limiting on the floating iron backing plate 3.

Specifically, as shown in fig. 1, 3, 5 and 6, the two width sides of the pad body 9 are respectively provided with a buckle plate 12, and the buckle plate 12 and the bottom of the pad body 9 are formed with a buckle slot 13 for buckling on the installation surface 11.

The buckle groove 13 formed at the bottom of the buckle plate 12 and the base plate body 9 facilitates the buckle disassembly and assembly of the rubber base plate 4, and can play a longitudinal limiting role to prevent the base plate body 9 from longitudinal displacement.

Specifically, as shown in fig. 1, 3, 5 and 6, limit baffles 14 are distributed on both length sides of the pad body 9 in a staggered manner.

The limit baffle 14 of two lengths of the cushion plate body 9 plays a transverse limit role on the rubber cushion plate 4, prevents the cushion plate body 9 from transverse displacement, and facilitates the disassembly of the rubber cushion plate 4.

Specifically, as shown in fig. 5 and 6, the cross section of the groove 10 is circular arc-shaped and distributed along the length direction of the pad body 9.

The cross section of the groove 10 is arc-shaped and distributed along the length direction of the backing plate body 9, so that the space in the groove 10 can be ensured to the greatest extent, the effects of increasing the vibration reduction area and absorbing and buffering vibration are achieved, and the vibration reduction performance is greatly improved.

Specifically, as shown in fig. 1, 7 and 8, the cross section of the rubber round table 6 is isosceles trapezoid, and the number of the rubber round tables 6 is 20 and is distributed in a rectangular array of 5 columns and 4 rows.

The surface area of the head end of the rubber round table 6 is smaller than the surface area of the tail end, the contact area with the floating iron backing plate 3 is further reduced, vibration is reduced, the rubber round table 6 is distributed in a rectangular array of 20 rows and 5 columns, the gaps between the rubber round tables 6 are uniformly distributed, vibration can be uniformly absorbed and buffered, and vibration reduction performance is greatly improved.

Specifically, as shown in fig. 1-4, the limiting structure 8 comprises limiting bosses 15 distributed on two sides of the mounting groove 7 in a staggered manner, a limiting groove 16 matched with the limiting boss 15 is formed in the bottom of the floating iron backing plate 3, and an elastic longitudinal limiting sleeve 17 in tight fit with the limiting boss 15 and the limiting groove 16 is further arranged between the limiting boss 15 and the limiting groove 16.

The spacing groove 16 buckle of floating iron backing plate 3 bottom is on the spacing boss 15 of base iron backing plate 1 to two spacing boss 15 dislocation sets, and the atress is more even, and vertical spacing effect is better, and elasticity vertical stop collar 17 respectively with spacing boss 15 and spacing groove 16 between tight fit, the vertical spacing effect of reinforcing floating iron backing plate 3 that can be further prevents that it from appearing vertically shifting.

Specifically, referring to fig. 1 and 10, the limiting structure 8 further includes stop shoulders 18 distributed on two sides of the base iron pad 1 in a staggered manner, the stop shoulders 18 are clamped with transverse limiting pads 19, and the end surfaces of the transverse limiting pads 19 are abutted against the outer walls of two sides of the floating iron pad 3.

The transverse limiting pad 19 is very difficult to flatten due to high compression rigidity, and can play a role in transverse limiting and overturning limiting on the floating iron backing plate 3.

Specifically, as shown in fig. 2, 3, 4 and 9, the outer wall of the limiting boss 15 is circumferentially provided with a clamping chute 20, two inner side walls of the elastic longitudinal limiting sleeve 17 are respectively provided with clamping protrusions 21 in sliding connection with the clamping chute 20, and two outer side walls of the elastic longitudinal limiting sleeve 17 are respectively abutted against two sides of the limiting groove 16.

The elastic longitudinal limit sleeve 17 is clamped with the clamping chute 20 of the limit boss 15 through the clamping protrusion 21 to realize tight fit, so that longitudinal displacement between the elastic longitudinal limit sleeve 17 and the limit boss 15 is avoided, and the elastic longitudinal limit sleeve 17 is tightly matched with the limit groove 16, so that the longitudinal limit effect of the floating iron backing plate 3 can be further enhanced.

Specifically, referring to fig. 1, 2, 10, 11, 12 and 13, the transverse limiting pad 19 includes a fixed iron plate 22 and an inclined pad plate 23, the inclined pad plate 23 is connected with the fixed iron plate 22 through a rubber layer 24, a plurality of lining plates 25 are distributed in the rubber layer 24, a clamping bump 26 is arranged at the center of the fixed iron plate 22, a clamping groove 27 matched with the clamping bump 26 is arranged on the shoulder 18, and positioning grooves 33 respectively positioned at two sides are respectively arranged on the fixed iron plate 22, the rubber layer 24, the lining plates 25 and the inclined pad plate 23.

The inclined base plate 23 has the inclination to prevent the floating iron base plate 3 from sliding upwards along the surface of the inclined base plate 23, plays a self-locking role, the inner lining plate 25 plays a role in reinforcing the strength of the rubber layer 24, the fixed iron plate 22 is clamped in the clamping groove 27 of the retaining shoulder 18 through the clamping convex block 26, the clamping convex block 26 is large in size and can bear shearing force well, the fixed iron plate 22, the rubber layer 24, the inner lining plate 25 and the inclined base plate 23 are firmly connected with the retaining shoulder 18, and the positioning groove 33 is convenient for assembling among the fixed iron plate 18, the rubber layer 24, the inner lining plate 25 and the inclined base plate 23.

Specifically, referring to fig. 1, bolt positioning sleeves 28 are arranged on two sides of the floating iron backing plate 3 in a staggered manner, stud bolts 29 penetrating through the base iron backing plate 1 are arranged in the bolt positioning sleeves 28, spring gaskets 30 and self-locking nuts 31 are sequentially arranged between the upper end surfaces of the bolt positioning sleeves 28 and the stud bolts 29, and fixing nuts 32 sleeved on the stud bolts 29 are arranged between the lower end surfaces of the bolt positioning sleeves 28 and the base iron backing plate 1.

The base iron backing plate 1 and the backing plate are fixed on the sleeper through the lower thread section of the stud 29 and the fixing nut 32, and the floating iron backing plate 3 is firmly connected with the base iron backing plate 1 through the upper thread section of the stud 29, the spring washer 30 and the self-locking nut 31.

The working principle of the utility model is as follows: the bottom of the base iron backing plate 1 is arranged on a sleeper through a backing plate, a steel rail is arranged on the uppermost rubber backing plate 4 and is used as the rubber backing plate 4 in direct contact with the steel rail, the contact area between the rubber backing plate 4 and the steel rail and between the rubber backing plate 4 and the floating iron backing plate 3 can be reduced through arranging grooves 10 at the two end surfaces of the rubber backing plate in a staggered manner, so that vibration between the rubber backing plate 4 and the steel rail and between the rubber backing plate 3 can be reduced, in addition, the space formed in the grooves 10 can absorb and buffer the vibration to play a role in vibration reduction, the rubber backing block 2 serving as a vibration reduction core piece is arranged in the mounting groove 7 to prevent the rubber plate 5 from shifting and reduce the whole height of a fastener, the contact area between the rubber backing plate 2 and the floating iron backing plate 3 can be reduced due to uniform distribution of the rubber round platforms 6, in addition, the formed gaps between the rubber round platforms 6 can uniformly absorb and buffer the vibration to play a role in vibration reduction, the vibration reduction performance of a vibration reduction fastener is greatly improved, and the limiting structure 8 plays a role in transversely and longitudinally limiting the floating iron backing plate 3;

the buckling grooves 13 formed at the bottoms of the buckling plates 12 and the cushion plate body 9 facilitate buckling and dismounting of the rubber cushion plate 4, and can play a longitudinal limiting role to prevent the cushion plate body 9 from longitudinal displacement;

the limit baffles 14 with two lengths of the cushion plate body 9 play a role in transversely limiting the rubber cushion plate 4, prevent the cushion plate body 9 from transversely shifting, and facilitate the disassembly of the rubber cushion plate 4;

the cross section of the groove 10 is arc-shaped and distributed along the length direction of the backing plate body 9, so that the space in the groove 10 can be ensured to the greatest extent, the effects of increasing the vibration reduction area and absorbing and buffering vibration are achieved, and the vibration reduction performance is greatly improved;

the surface area of the head end of the rubber round table 6 is smaller than the surface area of the tail end, the contact area with the floating iron backing plate 3 is further reduced, vibration is reduced, the rubber round table 6 is distributed in a rectangular array of 5 columns and 4 rows, gaps among the rubber round tables 6 are uniformly distributed, vibration can be uniformly absorbed and buffered, and vibration reduction performance is greatly improved;

the limiting groove 16 at the bottom of the floating iron backing plate 3 is buckled on the limiting boss 15 of the base iron backing plate 1, the two limiting bosses 15 are arranged in a staggered mode, the stress is more uniform, the longitudinal limiting effect is better, the elastic longitudinal limiting sleeve 17 is respectively in tight fit with the limiting boss 15 and the limiting groove 16, the longitudinal limiting effect of the floating iron backing plate 3 can be further enhanced, and the longitudinal displacement is prevented;

the transverse limiting pad 19 is very difficult to flatten due to high compression rigidity, and can play a role in transverse limiting and overturning limiting on the floating iron backing plate 3;

the elastic longitudinal limit sleeve 17 is clamped with the clamping chute 20 of the limit boss 15 through the clamping bulge 21 to realize tight fit, so that longitudinal displacement cannot occur between the elastic longitudinal limit sleeve 17 and the limit boss 15, and the elastic longitudinal limit sleeve 17 is tightly matched with the limit groove 16, so that the longitudinal limit effect of the floating iron backing plate 3 can be further enhanced;

the inclined base plate 23 has inclination to prevent the floating iron base plate 3 from sliding upwards along the surface of the inclined base plate 23, plays a role in self-locking, the inner lining plate 25 plays a role in reinforcing the strength of the rubber layer 24, the fixed iron plate 22 is clamped in the clamping groove 27 of the shoulder 18 through the clamping convex block 26, and the clamping convex block 26 has larger volume, can bear shearing force well and is firmly connected with the shoulder 18;

the base iron backing plate 1 and the backing plate are fixed on the sleeper through the lower thread section of the stud 29 and the fixing nut 32, and the floating iron backing plate 3 is firmly connected with the base iron backing plate 1 through the upper thread section of the stud 29, the spring washer 30 and the self-locking nut 31;

the positioning groove 33 facilitates the assembly between the fixed iron plate 22, the rubber layer 24, the inner liner 25 and the inclined pad 23.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the base iron pad 1, the rubber pad 2, the floating iron pad 3, the rubber pad 4, the rubber pad 5, the rubber round table 6, the mounting groove 7, the limit structure 8, the pad body 9, the groove 10, the mounting surface 11, the buckle plate 12, the buckle groove 13, the limit baffle 14, the limit boss 15, the limit groove 16, the elastic longitudinal limit sleeve 17, the shoulder 18, the lateral limit pad 19, the clamping chute 20, the clamping protrusion 21, the fixed iron plate 22, the inclined pad 23, the rubber layer 24, the inner lining plate 25, the clamping bump 26, the clamping groove 27, the bolt positioning sleeve 28, the stud 29, the spring pad 30, the self-locking nut 31, the fixing nut 32, the positioning groove 33, and the like are used herein for convenience only to describe and explain the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (10)

1. The utility model provides a novel damping fastener, includes base iron backing plate (1), base iron backing plate (1) top be equipped with rubber cushion (2), floating iron backing plate (3) and rubber backing plate (4) in proper order, a serial communication port, rubber cushion (2) include rubber slab (5) and set up a plurality of rubber round platform (6) that are rectangular array and distribute on rubber slab (5) terminal surface, base iron backing plate (1) on be equipped with mounting groove (7) that are used for installing rubber cushion (2), link to each other through limit structure (8) between floating iron backing plate (3) and base iron backing plate (1) that are located rubber cushion (2) top, rubber backing plate (4) including backing plate body (9) and dislocation distribution recess (10) on backing plate body (9) both ends, floating iron backing plate (3) on be equipped with installation face (11) that are used for installing rubber backing plate (4).

2. The novel vibration damping fastener according to claim 1, wherein the two width sides of the pad body (9) are respectively provided with a buckle plate (12), and the buckle plates (12) and the bottom of the pad body (9) are provided with buckle grooves (13) for being buckled on the installation surface (11).

3. The novel vibration damping fastener according to claim 1 or 2, wherein limit baffles (14) are distributed on two length sides of the backing plate body (9) in a staggered manner.

4. The novel vibration damping fastener according to claim 1, wherein the cross section of the groove (10) is arc-shaped and distributed along the length direction of the backing plate body (9).

5. The novel vibration damping fastener according to claim 1, wherein the cross section of the rubber round table (6) is isosceles trapezoid, and the number of the rubber round tables (6) is 20 and is distributed in a rectangular array of 5 columns and 4 rows.

6. The novel vibration reduction fastener according to claim 1, characterized in that the limiting structure (8) comprises limiting bosses (15) distributed on two sides of the mounting groove (7) in a staggered mode, limiting grooves (16) matched with the limiting bosses (15) are formed in the bottom of the floating iron base plate (3), and elastic longitudinal limiting sleeves (17) respectively in tight fit with the limiting bosses (15) and the limiting grooves (16) are further arranged between the limiting bosses (15) and the limiting grooves (16).

7. The novel vibration reduction fastener according to claim 6, wherein the limiting structure (8) further comprises stop shoulders (18) which are distributed on two sides of the base iron base plate (1) in a staggered mode, the stop shoulders (18) are clamped with transverse limiting pads (19), and the end faces of the transverse limiting pads (19) are abutted against the outer walls on two sides of the floating iron base plate (3).

8. The novel vibration damping fastener according to claim 6, wherein clamping sliding grooves (20) are circumferentially distributed on the outer wall of the limiting boss (15), clamping protrusions (21) which are in sliding connection with the clamping sliding grooves (20) are respectively arranged on the two inner side walls of the elastic longitudinal limiting sleeve (17), and the two outer side walls of the elastic longitudinal limiting sleeve (17) are respectively abutted against the two sides of the limiting groove (16).

9. The novel vibration reduction fastener according to claim 7, characterized in that the transverse limiting pad (19) comprises a fixed iron plate (22) and an inclined base plate (23), the inclined base plate (23) is connected with the fixed iron plate (22) through a rubber layer (24), a plurality of lining plates (25) are distributed in the rubber layer (24), a clamping projection (26) is arranged at the center of the fixed iron plate (22), a clamping groove (27) matched with the clamping projection (26) is formed in the retaining shoulder (18), and positioning grooves (33) respectively arranged on two sides of the fixed iron plate (22), the rubber layer (24), the lining plates (25) and the inclined base plate (23).

10. The novel vibration reduction fastener according to claim 1, wherein bolt positioning sleeves (28) are arranged on two sides of the floating iron base plate (3) in a staggered mode, stud bolts (29) penetrating through the base iron base plate (1) are arranged in the bolt positioning sleeves (28), spring gaskets (30) and self-locking nuts (31) are sequentially arranged between the upper end faces of the bolt positioning sleeves (28) and the stud bolts (29), and fixing nuts (32) sleeved on the stud bolts (29) are arranged between the lower end faces of the bolt positioning sleeves (28) and the base iron base plate (1).