CN217761862U

CN217761862U - Built-in damping inflatable rubber diaphragm shockproof device

Info

Publication number: CN217761862U
Application number: CN202222151986.5U
Authority: CN
Inventors: 李建录
Original assignee: Dongguan Zhaoshanchen Damping Engineering Co ltd
Current assignee: Dongguan Zhaoshanchen Damping Engineering Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-08
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a built-in damping inflatable rubber matrix shockproof device, which comprises a mounting bottom plate, a pipe body, a flange, a fixed disc, a middle shaft, a bearing, a supporting spring and a damping component; the tube body is fixed on the mounting bottom plate, the tube body is provided with an inflation cavity with an upward opening, and the side surface of the tube body is provided with an inflation inlet communicated with the inflation cavity; the flange covers the opening of the inflation cavity, the flange comprises a mounting disc, a fixing ring and a rubber sheet, the fixing ring is positioned on the periphery of the mounting disc and is fixedly connected with the top of the tube body, and the rubber sheet is integrally connected between the mounting disc and the fixing ring; through constitute the flange by mounting disc, solid fixed ring and rubber sheet to the cooperation is provided with damping assembly in aerifing the chamber, and annular damping fin utilizes and violently establishes the outside expansion of middle bullet line and produces upper and lower frictional contact with the body inner wall, resonates when reaching the restraining equipment operation, and equipment shockproof effect is good, and its simple structure, but the use cost of persistence reduction does benefit to using widely.

Description

Built-in damping inflatable rubber die shockproof device

Technical Field

The utility model belongs to the technical field of the shock mounting technique and specifically relates to indicate a rubber diaphragm shock mounting is aerifyd to built-in damping.

Background

Industrial equipment can all produce great vibrations in the operation process, in order to avoid vibrations transmission to take place phenomenons such as resonance, the bottom of present industrial equipment all installs additional shockproof device.

The traditional industrial equipment generally adopts a mode of a single-layer shock pad or a multi-layer shock pad, and has the problems that the single-layer shock pad has poor efficiency of absorbing shock waves, the multi-layer shock pad directly superposes two to three layers of shock pads, and the shock waves can directly penetrate through the multi-layer shock pad to directly reach the bottom, so that the two or more layers of shock pads are directly superposed without generating 2 times or multiple shock-proof effects, the efficiency of absorbing shock waves by each layer of shock pad is not even 50 percent, the shock-proof effect is only slightly better than that of the single-layer shock pad, and the occurrence of resonance phenomenon cannot be avoided. Although some special anti-vibration devices have better anti-vibration effect, the structure is complex, the cost is very high, and the special anti-vibration devices are not beneficial to popularization and use. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the disadvantages of the prior art, and the main objective of the present invention is to provide a shock absorber with a built-in damping inflatable rubber mold piece, which has a good shock-proof effect and can reduce the use cost of the shock absorber permanently.

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

a built-in damping inflatable rubber matrix shockproof device comprises a mounting bottom plate, a pipe body, a flange, a fixed disc, a middle shaft, a bearing, a supporting spring and a damping component; the tube body is fixed on the mounting bottom plate, the tube body is provided with an inflation cavity with an upward opening, and the side surface of the tube body is provided with an inflation inlet communicated with the inflation cavity; the flange covers the opening of the inflation cavity, the flange comprises a mounting disc, a fixing ring and a rubber sheet, the fixing ring is positioned on the periphery of the mounting disc and is fixedly connected with the top of the tube body, and the rubber sheet is integrally connected between the mounting disc and the fixing ring; the fixed disk is fixed in the inflation cavity, and a mounting hole is formed in the fixed disk; the middle shaft extends vertically and is movably arranged in the inflatable cavity up and down, and the middle shaft passes through the mounting disk Kong Diyu; the bearing is fixed in the mounting hole and sleeved outside the middle shaft, and the middle shaft is arranged in a manner of sliding up and down relative to the bearing; the supporting spring is sleeved outside the middle shaft and urges the middle shaft to move upwards; the damping assembly is sleeved outside the center shaft and positioned in the inflation cavity, the damping assembly is matched with the inflation cavity and positioned between the lower part of the fixed disc and the upper part of the inflation inlet, the damping assembly comprises an annular damping sheet, an upper pressing sheet, a lower pressing sheet, an elastic wire and a sliding ring, an annular groove is concavely arranged on the inner side surface of the annular damping sheet, the upper pressing sheet and the lower pressing sheet are respectively positioned above and below the annular damping sheet, the elastic wire is arranged in the annular groove, and the sliding ring is positioned between the upper pressing sheet and the lower pressing sheet.

Preferably, a sealing cover is screwed on the inflation inlet.

Preferably, each corner of the mounting bottom plate is provided with a fixing hole.

Preferably, the fixed ring is fixedly connected with the top of the pipe body through a plurality of first bolts.

Preferably, the bearing is fixedly connected with the fixed disk through a plurality of second bolts.

Preferably, a fixing seat is fixed on the mounting bottom plate, and the lower end of the supporting spring is fixed on the fixing seat.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the flange is composed of the mounting disc, the fixing ring and the rubber sheet, the damping assembly is arranged in the inflation cavity in a matched mode, the annular damping sheet expands outwards by utilizing the elastic line in the middle of the transverse arrangement to be in up-and-down friction contact with the inner wall of the pipe body, so that resonance of equipment during operation is restrained, the equipment is good in shockproof effect, simple in structure, low in using cost in a lasting mode and beneficial to popularization and use; particularly, the replacement cost of the rubber sheet is very low, and after the rubber sheet is opened, the replacement of the annular damping sheet inside is also very low, so that the rubber sheet is favorable for replacement, can be repeatedly used for a long time, and plays a role in energy conservation and environmental protection.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

fig. 3 is a cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. mounting base plate 11, fixing hole

12. Fixing seat 20 and pipe body

21. Inflation cavity 22 and inflation port

23. Sealing cover 30, flange

31. Mounting disk 32, fixing ring

33. Rubber sheet 34, first bolt

40. Fixed disk 41 and mounting hole

50. Middle shaft 60 and bearing

61. Second bolt 70, support spring

80. Damping component 81 and annular damping fin

82. Upper pressing sheet 83 and lower pressing sheet

84. Elastic wire 85 and slip ring

801. Annular groove

Detailed Description

Referring to fig. 1 to 3, the detailed structure of the preferred embodiment of the present invention is shown, which includes a mounting base plate 10, a tube 20, a flange 30, a fixing plate 40, a middle shaft 50, a bearing 60, a support spring 70 and a damping assembly 80.

Each corner of this mounting plate 10 has all seted up fixed orifices 11 to with outside fixed mounting, be fixed with fixing base 12 on the mounting plate 10.

The tube body 20 is fixed on the mounting base plate 10, the tube body 20 is provided with an inflation cavity 21 with an upward opening, an inflation port 22 communicated with the inflation cavity 21 is formed in the side surface of the tube body 20, and a sealing cover 23 is screwed on the inflation port 22.

The flange 30 covers the opening of the inflation cavity 21, the flange 30 comprises a mounting disc 31, a fixing ring 32 and a rubber sheet 33, the mounting disc 31 is used for being fixedly mounted with equipment, the fixing ring 32 is positioned on the periphery of the mounting disc 31 and is fixedly connected with the top of the tube body 20, and the rubber sheet 33 is integrally connected between the mounting disc 31 and the fixing ring 32; in this embodiment, the fixing ring 32 is fixedly connected to the top of the tube 20 by a plurality of first bolts 34.

The fixed disk 40 is fixed in the inflation cavity 21, and a mounting hole 41 is formed on the fixed disk 40; in this embodiment, the fixing plate 40 is sandwiched between the fixing ring 32 and the tube 20.

The middle shaft 50 extends vertically and is movably disposed in the air inflation cavity 21 up and down, and the middle shaft 50 passes through the mounting hole 41 and abuts against the mounting plate 31.

The bearing 60 is fixed in the mounting hole 41 and sleeved outside the middle shaft 50, and the middle shaft 50 is arranged in a manner of sliding up and down relative to the bearing 60; the bearing 60 is fixedly coupled to the fixed disk 40 by a plurality of second bolts 61.

The supporting spring 70 is sleeved outside the middle shaft 50, and the supporting spring 70 urges the middle shaft 50 to move upwards; in this embodiment, the lower end of the supporting spring 70 is fixed to the fixed base 12.

This damping subassembly 80 cover is located outside axis 50 and is arranged in aerifing the chamber 21, damping subassembly 80 and aerify the chamber 21 looks adaptation and be located between the below of fixed disk 40 and the top of inflation inlet 22, damping subassembly 80 is including annular damping fin 81, go up the preforming 82, lower holding down piece 83, play line 84 and sliding ring 85, the concave annular groove 801 that is equipped with of medial surface of this annular damping fin 81, this goes up preforming 82 and lower holding down piece 83 and is located the top and the below of annular damping fin 81 respectively, this line 84 that plays sets up in annular groove 801, this sliding ring 85 is located between preforming 82 and the lower holding down piece 83.

Detailed description the working principle of the present embodiment is as follows:

the inflation cavity 21 is filled with gas through the inflation port 22, the damping assembly 80 is suspended in the inflation cavity 21, the rubber sheet 33 of the flange 30 is transversely arranged on the inflation cavity 21 defined by the tube body 20 in a mode of sealing the tube body 20, the industrial equipment is borne on the mounting disc 31 of the flange 30, and the annular damping sheet 81 outwards expands by utilizing the elastic line 84 transversely arranged in the middle to be in vertical frictional contact with the inner wall of the tube body 20 so as to achieve the aim of inhibiting the resonance of the equipment during operation.

The utility model discloses a design key is: through by the mounting disc, the flange is constituteed to solid fixed ring and rubber sheet, and the cooperation is provided with damping assembly in aerifing the chamber, annular damping fin utilizes the play line of violently establishing the centre outwards to expand and produce friction contact from top to bottom with the body inner wall, resonance when reaching the restraining equipment operation, equipment shockproof effect is good, and a structure is simple, the use cost that can the persistence reduce, do benefit to the using widely, specifically, rubber sheet's replacement expense is very low, after opening, the replacement of the annular damping fin of the inside also is the expense very low, be favorable to changing, can keep a reuse use for a long time, also play energy-concerving and environment-protective action like this.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A built-in damping inflatable rubber diaphragm shockproof device is characterized in that: the damping device comprises a mounting bottom plate, a pipe body, a flange, a fixed disc, a middle shaft, a bearing, a supporting spring and a damping component; the tube body is fixed on the mounting bottom plate, the tube body is provided with an inflation cavity with an upward opening, and the side surface of the tube body is provided with an inflation inlet communicated with the inflation cavity; the flange covers the opening of the inflation cavity, the flange comprises a mounting disc, a fixing ring and a rubber sheet, the fixing ring is positioned on the periphery of the mounting disc and fixedly connected with the top of the tube body, and the rubber sheet is integrally connected between the mounting disc and the fixing ring; the fixed disk is fixed in the inflation cavity, and a mounting hole is formed in the fixed disk; the middle shaft extends vertically and is movably arranged in the inflatable cavity up and down, and the middle shaft passes through the mounting disk Kong Diyu; the bearing is fixed in the mounting hole and sleeved outside the middle shaft, and the middle shaft can be arranged in a way of sliding up and down relative to the bearing; the supporting spring is sleeved outside the middle shaft and urges the middle shaft to move upwards; the damping assembly is sleeved outside the center shaft and positioned in the inflation cavity, the damping assembly is matched with the inflation cavity and positioned between the lower part of the fixed disc and the upper part of the inflation inlet, the damping assembly comprises an annular damping sheet, an upper pressing sheet, a lower pressing sheet, an elastic wire and a sliding ring, an annular groove is concavely arranged on the inner side surface of the annular damping sheet, the upper pressing sheet and the lower pressing sheet are respectively positioned above and below the annular damping sheet, the elastic wire is arranged in the annular groove, and the sliding ring is positioned between the upper pressing sheet and the lower pressing sheet.

2. The shock absorber with built-in damping inflatable rubber diaphragm as recited in claim 1, wherein: the inflation inlet is screwed with a sealing cover.

3. The built-in damping inflatable rubber diaphragm anti-vibration device as claimed in claim 1, wherein: and each corner of the mounting bottom plate is provided with a fixing hole.

4. The built-in damping inflatable rubber diaphragm anti-vibration device as claimed in claim 1, wherein: the fixed ring is fixedly connected with the top of the pipe body through a plurality of first bolts.

5. The built-in damping inflatable rubber diaphragm anti-vibration device as claimed in claim 1, wherein: the bearing is fixedly connected with the fixed disc through a plurality of second bolts.

6. The shock absorber with built-in damping inflatable rubber diaphragm as recited in claim 1, wherein: the mounting base plate is fixed with a fixed seat, and the lower end of the supporting spring is fixed on the fixed seat.