CN204592113U - Shearing mass bumper - Google Patents
Shearing mass bumper Download PDFInfo
- Publication number
- CN204592113U CN204592113U CN201520154364.5U CN201520154364U CN204592113U CN 204592113 U CN204592113 U CN 204592113U CN 201520154364 U CN201520154364 U CN 201520154364U CN 204592113 U CN204592113 U CN 204592113U
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- China
- Prior art keywords
- sulfuration assembly
- mass block
- assembly
- rubber
- body sulfuration
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- 238000010008 shearing Methods 0.000 title claims abstract description 21
- 238000005987 sulfurization reaction Methods 0.000 claims abstract description 75
- 239000006096 absorbing agent Substances 0.000 claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- Vibration Dampers (AREA)
Abstract
A kind of shearing mass bumper, relate to a kind of mass bumper, comprise mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly, described mass block is provided with coaxial mesopore and limited step hole, absorber rubber body sulfuration assembly is through the mesopore of mass block, upper and lower two ends are connected with buffer limit body sulfuration assembly respectively, wherein the buffer limit body sulfuration assembly of upper end is positioned at the limited step hole of mass block, the buffer limit body sulfuration assembly of lower end contacts with oscillating body, described mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is fastenedly connected by flange bolt and oscillating body.The utility model have employed shearing rubber structure, rubber hardness can be improved further when keeping rubber stiffness constant, be conducive to improving rubbery intensity and technology capability, increase the spacing setting of mass block of all directions simultaneously, prevent the excessive and mass block of rubber deformation from use coming off, extend product working life, eliminate safe hidden trouble.
Description
Technical field
The utility model relates to a kind of mass bumper, particularly a kind of have limit structure, with vibrate the shearing mass bumper that mates compared with macrostructure vibration and noise reducing.
Background technique
Mass bumper and tuning mass bumper, dynamic vibration absorber is again in some field, the structural type being mainly mass block+rubber body+mounting bracket of application at present.The basic functional principle of mass bumper mainly utilizes additional mass block inertial force when resonating to offset vibration force, and the distortion themogenesis of rubber, to reach the object reducing vibration & noise.
The stress form of existing mass bumper absorber rubber body mainly adopts compression type structure, but, some frequency needing the occasion of assembly quality vibration damper easily to produce vibration noise as riding vehicle back axle or transmission system etc. is not very high, general between 35-65Hz, by vibration damper natural frequency theoretical formula:
(f: natural frequency, k: rubber stiffness, m: mass block quality), in mass block quality owing to being subject to assembly space, working life and under limiting the relative situation that immobilizes with conditions such as the mass ratioes of oscillating body, mainly through adjusting the rigidity of absorber rubber, to reach adjustment vibration damper natural frequency and the object that matches of vibration frequency, by similar to product experience and Literature at present, vibration damper mass block quality is mostly 1.5-2.5kg, in order to obtain lower natural frequency and rigidity, corresponding rubber hardness is all lower, have below 40 Shao Er A degree, too low rubber hardness directly can damage intensity and technology capability, absorber rubber body can be made too low in non-master direction (substantially horizontal) rigidity of shaking simultaneously, mass block easily produces larger moving displacement in the horizontal direction, make absorber rubber produce ultralimit distortion to tear or aging, reduce using function and shorten the life-span, under extreme conditions, mass block unfettered deviate from and injure mounting bracket, circumferential component, even drop and injure operator or pedestrian, miscellaneous equipment or vehicle, there is potential safety hazard, limit the application of this similar infrastructure product mass bumper.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of shearing mass bumper structure with limit function, with solve the above-mentioned rubber hardness that prior art exists lower, reduce using function and shorten the life-span, there is the deficiency of potential safety hazard.
The technological scheme solved the problems of the technologies described above is: a kind of shearing mass bumper, comprise mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly, described mass block is provided with coaxial mesopore and limited step hole, described absorber rubber body sulfuration assembly is through the mesopore of mass block, upper and lower two ends are connected with buffer limit body sulfuration assembly respectively, the described buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly upper end is positioned at the limited step hole of mass block, the buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly lower end contacts with oscillating body, described mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is by being fastenedly connected through the flange bolt of absorber rubber body sulfuration assembly and oscillating body.
Further technological scheme of the present utility model is: described absorber rubber body sulfuration assembly comprises mandrel, outer ring, absorber rubber, described outer ring is connected with the mesopore interference fit of mass block, described mandrel is positioned at outer ring, be connected by absorber rubber sulfuration between this mandrel with outer ring, described mandrel center is provided with for the bolt hole through described flange bolt.
Further technological scheme of the present utility model is: described buffer limit body sulfuration assembly comprises limiting board, yielding rubber, described yielding rubber sulfuration is connected to interior edge face and the outer peripheral surface of limiting board, and described mandrel two ends are connected by interference fit with limiting board respectively.
Further technological scheme more of the present utility model is: described limiting board center is provided with flat hole, and the two ends up and down of described mandrel are respectively equipped with the flat position of matching with the flat hole of limiting board.
Further technological scheme more of the present utility model is: described flat position size is less than the flanged surface diameter of flange bolt, to ensure that vibration damper has enough spacing area of contact between the flanged surface and limiting board surface of oscillating body assembly connection rear flange bolt.
Described absorber rubber inside is also provided with equally distributed multiple thermal vias along the center of circle.
Due to adopt said structure, the utility model compared with shearing mass bumper prior art, there is following beneficial effect:
1. can improve rubber hardness:
Because the utility model comprises mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly, wherein mass block is provided with coaxial mesopore and limited step hole, absorber rubber body sulfuration assembly is through the mesopore of mass block, upper and lower two ends are connected with buffer limit body sulfuration assembly respectively, and described mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly are by being fastenedly connected through the flange bolt of absorber rubber body sulfuration assembly and oscillating body.Therefore, the utility model takes full advantage of the low characteristic of rubber body shear direction ratio of rigidity compression direction rigidity, used mass bumper compression type rubber structure is changed and is set to shearing rubber structure, rubber hardness can be improved at main (namely vertical) the direction rubber stiffness that shakes of maintenance further constant, be conducive to improving rubbery intensity and technology capability.
2. can ensure the using function of vibration damper and increase the service life:
The utility model is by being arranged in the mesopore of mass block by absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is connected to the two ends of absorber rubber body sulfuration assembly, and make one of them buffer limit body sulfuration assembly be positioned at the limited step hole of mass block, and then adopt flange bolt by mass block, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is fastenedly connected on oscillating body, mass block is made all to have had buffer limit structure in all directions, thus the larger mass block of vibration can be limited in close range and move, absorber rubber is avoided to produce the amount of deformation exceeding designing requirement, ensureing the using function of vibration damper simultaneously, also the working life of vibration damper is extended.
In addition, because the utility model have employed shearing rubber structure, under there are enough Low rigidity situations in main (namely vertical) direction that shakes of guarantee, the rigidity in direction of improving the standard further, prevent rubber be out of shape excessive in the horizontal direction and produce earlier period damage, extend the working life of product further.
3. can stop the generation of potential safety hazard:
The utility model due to have employed each to buffer limit structure, the larger mass block of vibration is limited in close range and moves, even if when serious, absorber rubber produces unexpected damage, mass block also can not come off or fly out, and has stopped the generation of potential safety hazard.
4. can reduce the noise of spacing contact or collision generation:
Because buffer limit body sulfuration assembly of the present utility model is connected with yielding rubber at the interior edge face of limiting board and outer peripheral surface sulfuration, can be reduced by buffering and the damping effect of this yielding rubber and spacingly contact or collide the noise produced.
5. applied widely:
Structure of the present utility model is simple, manufacturing process is easy, except the general application that can be applicable to existing mass bumper, the vibration and noise reducing be also specially adapted to as vibration condition harshness in the association areas such as automobile axle, internal-combustion engine, train, engineering machinery, track traffic, lathe mates, and expands the using scope of mass bumper further.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristics of the shearing mass bumper of the utility model is further described.
Accompanying drawing explanation
Fig. 1-Fig. 2: the structural representation of the shearing mass bumper of the utility model,
Fig. 1: front sectional view, the plan view of Fig. 2: Fig. 1,
Fig. 3: the structural representation of limiting board described in embodiment one,
Fig. 4: the structural representation of mandrel described in embodiment one,
Fig. 5: the shearing mass bumper of the utility model use assembly connection schematic diagram.
In figure:
1-mass block; 11-mesopore, 12-limited step hole, 2-limiting board; The flat hole of 21-;
3-mandrel; 31-bolt hole; The flat position of 32-;
4-yielding rubber; 5-outer ring; 6-absorber rubber; 61-thermal vias;
7-flange bolt; 8-oscillating body.
Embodiment
Embodiment one:
A kind of shearing mass bumper, as shown in Fig. 1 ~ 2, comprise mass block 1, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly, described mass block 1 is cylindrical body, this mass block 1 is provided with coaxial mesopore 11 and limited step hole 12, described absorber rubber body sulfuration assembly is through the mesopore of mass block 1, upper and lower two ends are connected with buffer limit body sulfuration assembly respectively, the described buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly upper end is positioned at the limited step hole of mass block 1, the buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly lower end contacts with oscillating body 8, described mass block 1, absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is by being fastenedly connected through the flange bolt of absorber rubber body sulfuration assembly and oscillating body 8.
Described absorber rubber body sulfuration assembly comprises mandrel 3, outer ring 5, absorber rubber 6, described outer ring 5 is connected with the mesopore interference fit of mass block 1, described mandrel 3 is positioned at outer ring 5, be connected by absorber rubber 6 sulfuration between this mandrel 3 with outer ring 5, described mandrel 3 center is provided with for the bolt hole 31 through described flange bolt.
Described buffer limit body sulfuration assembly comprises limiting board 2, yielding rubber 4, described yielding rubber 4 sulfuration is connected to interior edge face and the outer peripheral surface of limiting board 2, described limiting board 2 shape is cylindrical body, limiting board 2 external diameter is determined according to the design of Horizontal limiting displacement amount, and corresponding with limited step hole 12 internal diameter of mass block 1; Limiting board 2 center is provided with flat hole 21(see Fig. 3), the two ends up and down of described mandrel 3 are respectively equipped with the flat position 32(that matches with the flat hole 21 of limiting board 2 see Fig. 4), the external diameter of this mandrel 3 is that interference fit is connected with the flat hole circle cambered surface of limiting board 2.
Flat position 32 size of above-mentioned mandrel 3 is less than the flanged surface diameter of flange bolt 7, to ensure that vibration damper has enough spacing area of contact between oscillating body 8 assembly connection rear flange face and limiting board 2 surface.
Described absorber rubber 6 inside is also provided with equally distributed four thermal vias 61 along the center of circle.
One as the present embodiment one converts, described mass block 1 also can for square body, cuboid or other there is arbitrary regular shape body of symplex structure.
As another conversion of the present embodiment one, thermal vias 61 also can be two or more for arranging, or do not arrange.
The molding mode of the shearing mass bumper of the utility model is as follows:
(1) yielding rubber 4 and limiting board 2 sulfuration are become buffer limit body sulfuration assembly.
(2) mandrel 3 and outer ring 5 are become absorber rubber body sulfuration assembly by absorber rubber 6 sulfuration.
(3) absorber rubber body sulfuration assembly is press-fited in the mesopore 11 of mass block 1 by interference fit, buffer limit body sulfuration assembly is enclosed within the upper/lower terminal face of absorber rubber body sulfuration assembly mandrel 3 respectively by interference fit press-loading process, and the interference fit press-loading process of 3 positions can single stepping be shaping simultaneously.
(4) assemble use time, this mass bumper is fastenedly connected by flange bolt 7 and oscillating body 8, by the flanged surface of flange bolt 7 and the surface of oscillating body 8 by the compression of limiting board 2, prevents limiting board 2 from loosening.
Claims (6)
1. a shearing mass bumper, it is characterized in that: comprise mass block (1), absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly, described mass block (1) is provided with coaxial mesopore and limited step hole, described absorber rubber body sulfuration assembly is through the mesopore of mass block (1), upper and lower two ends are connected with buffer limit body sulfuration assembly respectively, the described buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly upper end is positioned at the limited step hole of mass block (1), the buffer limit body sulfuration assembly being connected to absorber rubber body sulfuration assembly lower end contacts with oscillating body (8), described mass block (1), absorber rubber body sulfuration assembly, buffer limit body sulfuration assembly is by being fastenedly connected through the flange bolt of absorber rubber body sulfuration assembly and oscillating body (8).
2. shearing mass bumper according to claim 1, it is characterized in that: described absorber rubber body sulfuration assembly comprises mandrel (3), outer ring (5), absorber rubber (6), described outer ring (5) is connected with the mesopore interference fit of mass block (1), described mandrel (3) is positioned at outer ring (5), be connected by absorber rubber (6) sulfuration between this mandrel (3) with outer ring (5), described mandrel (3) center is provided with for the bolt hole (31) through described flange bolt.
3. shearing mass bumper according to claim 2, it is characterized in that: described buffer limit body sulfuration assembly comprises limiting board (2), yielding rubber (4), described yielding rubber (4) sulfuration is connected to interior edge face and the outer peripheral surface of limiting board (2), and described mandrel (3) two ends are connected by interference fit with limiting board (2) respectively.
4. shearing mass bumper according to claim 3, it is characterized in that: described limiting board (2) center is provided with flat hole (21), the two ends up and down of described mandrel (3) are respectively equipped with the flat position (32) of matching with the flat hole (21) of limiting board (2).
5. shearing mass bumper according to claim 4, it is characterized in that: described flat position (32) size is less than the flanged surface diameter of flange bolt (7), to ensure that vibration damper has enough spacing area of contact between the flanged surface and limiting board (2) surface of oscillating body (8) assembly connection rear flange bolt (7).
6. the shearing mass bumper according to Claims 2 or 3 or 4 or 5, is characterized in that: described absorber rubber (6) inside is also provided with equally distributed multiple thermal vias (61) along the center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154364.5U CN204592113U (en) | 2015-03-18 | 2015-03-18 | Shearing mass bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154364.5U CN204592113U (en) | 2015-03-18 | 2015-03-18 | Shearing mass bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592113U true CN204592113U (en) | 2015-08-26 |
Family
ID=53928267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520154364.5U Expired - Fee Related CN204592113U (en) | 2015-03-18 | 2015-03-18 | Shearing mass bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728326A (en) * | 2015-03-18 | 2015-06-24 | 柳州金鸿橡塑有限公司 | Shear type mass shock absorber |
| CN110630665A (en) * | 2019-08-27 | 2019-12-31 | 威固技术（安徽）有限公司 | High-durability chassis dynamic vibration absorber system with limiting protection |
-
2015
- 2015-03-18 CN CN201520154364.5U patent/CN204592113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728326A (en) * | 2015-03-18 | 2015-06-24 | 柳州金鸿橡塑有限公司 | Shear type mass shock absorber |
| CN110630665A (en) * | 2019-08-27 | 2019-12-31 | 威固技术（安徽）有限公司 | High-durability chassis dynamic vibration absorber system with limiting protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |