CN203308992U - Composite spring vibration isolator with adjustable damping - Google Patents
Composite spring vibration isolator with adjustable damping Download PDFInfo
- Publication number
- CN203308992U CN203308992U CN2013203235033U CN201320323503U CN203308992U CN 203308992 U CN203308992 U CN 203308992U CN 2013203235033 U CN2013203235033 U CN 2013203235033U CN 201320323503 U CN201320323503 U CN 201320323503U CN 203308992 U CN203308992 U CN 203308992U
- Authority
- CN
- China
- Prior art keywords
- shell
- vibration isolator
- coupling shaft
- end surface
- shaft shoulder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a composite spring vibration isolator with adjustable damping, comprising a shell with an opening in the upper end, wherein a base plate is arranged below the shell; a connecting shaft is arranged in the shell; the upper end of the connecting shaft stretches out of the opening of the shell; a shaft shoulder is arranged in the middle of the connecting shaft; an upper conical spring and an upper silk screen cushion or a rubber cushion which are connected in series or in parallel in the axial direction are arranged between the upper surface of the shaft shoulder and the top wall of the shell; a lower conical spring and a lower silk screen cushion or a rubber cushion which are connected in series or in parallel in the axial direction are arranged between the lower surface of the shaft shoulder of the connecting shaft and the base plate. The radial rigidity and the axial rigidity of the vibration isolator are both provided by the upper and lower conical springs and the upper and lower silk screen cushions or the rubber cushions, the axial rigidity and the radial rigidity of the vibration isolator are approximate, and the application range of the vibration isolator is enlarged.
Description
Technical field
The utility model relates to a kind of vibration isolation buffering device of equipment, specifically a kind of complex spring damp adjustable vibration isolator.
Background technique
As shown in Figure 1, such vibration isolator is comprised of a coupling shaft 1, catch 2, upper wire gauze pad 3, shell 4, lower wire gauze pad 5, spiral spring 6, a base plate 7 and four tubular-shank rivets 8 existing wire gaze three-way vibration isolating device structure.During installation, coupling shaft 1 by screw with by device for vibration insutation, be connected, in tubular-shank rivet 8, mounting screw is connected with basis.The axial rigidity of vibration isolator is composed in parallel by upper wire gauze pad 3, lower wire gauze pad 5 and spiral spring 6, and radial rigidity is only provided by upper wire gauze pad 3, and damping is mainly provided by the wire gauze pad.Have in actual use following defect: the axial rigidity of vibration isolator, much larger than radial rigidity, causes three axial anti-vibration and shock performance differences of vibration isolator very large, has greatly limited the using scope of vibration isolator; The damping that the wire gauze pad provides is very little and uncontrollable, can not carry out independent setting according to the residing vibration environment of equipment, causes the not good and unstable properties of the vibration isolating effect of vibration isolator.
The model utility content
Existing such vibration isolator vibration isolating effect is not good in order to overcome, unstable properties and the little deficiency of using scope, the utility model provides a kind of complex spring damp adjustable vibration isolator, the very little and damping of three axial anti-vibration performance difference of this vibration isolator can be adjusted separately, improve vibration isolating effect and stability, enlarged the using scope of vibration isolator.
The utility model comprises that upper end has the shell of opening, base plate is equipped with in the below of shell, in shell, be provided with coupling shaft, the opening of shell is stretched out in the upper end of coupling shaft, described coupling shaft middle part is provided with the shaft shoulder, between shaft shoulder upper surface and shell roof, is provided with and connect in the axial direction or upper conical spring and upper mesh pad or the rubber pad of parallel connection; Between the shaft shoulder lower surface and base plate of coupling shaft, be provided with series connection in the axial direction or inferior pyramidal spring and lower mesh pad or rubber pad in parallel.
Further improve, the shaft shoulder bottom of coupling shaft also is provided with adjustable damping mechanism, comprise the folding ring, but cone governor shape ring and Adjusting bolt Adjusting screw, the upper-end surface of described folding ring and the laminating of coupling shaft shaft shoulder lower surface, the inwall of cylindrical and shell is close to, but the internal taper hole laminating of the circular cone cylindrical of cone governor shape ring and folding ring, and upper-end surface is lower than the upper-end surface of folding ring, and its lower end surface exceeds the lower end surface of folding ring and fits with the upper-end surface of Adjusting bolt Adjusting screw, Adjusting bolt Adjusting screw is fixed by the external thread rotary of coupling shaft lower end, the inferior pyramidal spring housing is on the step cylindrical of Adjusting bolt Adjusting screw.
Further improve, described shell and base plate are fixed with tubular-shank rivet.
The beneficial effects of the utility model are:
1, the radial rigidity of vibration isolator and axial rigidity provide by upper and lower volute spring and upper and lower mesh pad or rubber pad, make the axial rigidity of vibration isolator and radial rigidity approaching, have enlarged the using scope of vibration isolator; .
2, increase adjustable damping mechanism, because damping can independently be adjusted, made vibration isolator can meet the damping characteristic requirement of different vibration environments.
The accompanying drawing explanation
Fig. 1 is existing wire gaze three-way vibration isolating device structural representation.
The utility model structural representation of Fig. 2 for manufacturing by embodiment 1.
The utility model structural representation of Fig. 3 for manufacturing by embodiment 2.
Embodiment
Upper conical spring 6 and upper mesh pad or rubber pad 3, inferior pyramidal spring 9 and lower mesh pad or rubber pad 5 be all series connection in the axial direction.
The utility model structural representation of Fig. 2 for manufacturing by embodiment 1.The utility model comprises that upper end has the shell 4 of opening, and base plate 7 is equipped with in the below of shell 4, and shell 4 is fixing with base plate 7 use tubular-shank rivets 8.
In shell, be provided with coupling shaft 1, the opening of shell 4 is stretched out in the upper end of coupling shaft 1, described coupling shaft 1 middle part is provided with the shaft shoulder, between shaft shoulder upper surface and shell 4 roofs, be provided with upper conical spring 6 and upper mesh pad or rubber pad 3, described upper conical spring 6 and upper mesh pad or rubber pad 3 are connected in the axial direction, and centre separates by upper stop piece 2.
The shaft shoulder at coupling shaft 1 has adjustable damping mechanism, but comprise folding ring 13 cone governor shape ring 11 and Adjusting bolt Adjusting screws 12, the upper-end surface of described folding ring 13 and coupling shaft 1 shaft shoulder lower surface laminating, the inwall of cylindrical and shell 4 is close to, but the internal taper hole laminating of the circular cone cylindrical of cone governor shape ring 11 and folding ring 13, and upper-end surface is lower than the upper-end surface of folding ring, and its lower end surface exceeds the lower end surface of folding ring 13 and fits with the upper-end surface of Adjusting bolt Adjusting screw 12, Adjusting bolt Adjusting screw 12 is fixed by the external thread rotary of coupling shaft 1 lower end.Between the shaft shoulder lower surface and base plate 7 of Adjusting bolt Adjusting screw 12, be provided with inferior pyramidal spring 9 and lower mesh pad or rubber pad 5, inferior pyramidal spring 9 is enclosed within on the step cylindrical of Adjusting bolt Adjusting screw 12.Described inferior pyramidal spring 9 and lower mesh pad or rubber pad 5 are connected in the axial direction, and centre separates by lower stop piece 10.
Upper conical spring 6 and upper mesh pad or rubber pad 3, inferior pyramidal spring 9 and lower mesh pad or rubber pad 5 are all in parallel in the axial direction.
The utility model structural representation of Fig. 3 for manufacturing by embodiment 2.The utility model comprises that upper end has the shell 4 of opening, and base plate 7 is equipped with in the below of shell 4, and shell 4 is fixing with base plate 7 use tubular-shank rivets 8.
In shell, be provided with coupling shaft 1, the opening of shell 4 is stretched out in the upper end of coupling shaft 1, described coupling shaft 1 middle part is provided with the shaft shoulder, between shaft shoulder upper surface and shell 4 roofs, be provided with upper conical spring 6 and upper mesh pad or rubber pad 3, described upper conical spring 6 and upper mesh pad or rubber pad 3 are in parallel in the axial direction, centre separates by upper spacer 14, is provided with upper stop piece 2 between the shaft shoulder of upper mesh pad or rubber pad 3 and coupling shaft 1.
The shaft shoulder at coupling shaft 1 has adjustable damping mechanism, but comprise folding ring 13 cone governor shape ring 11 and Adjusting bolt Adjusting screws 12, the upper-end surface of described folding ring 13 and coupling shaft 1 shaft shoulder lower surface laminating, the inwall of cylindrical and shell 4 is close to, but the internal taper hole laminating of the circular cone cylindrical of cone governor shape ring 11 and folding ring 13, and upper-end surface is lower than the upper-end surface of folding ring, and its lower end surface exceeds the lower end surface of folding ring 13 and fits with the upper-end surface of Adjusting bolt Adjusting screw 12, Adjusting bolt Adjusting screw 12 is fixed by the external thread rotary of coupling shaft 1 lower end.Between the shaft shoulder lower surface and base plate 7 of Adjusting bolt Adjusting screw 12, be provided with inferior pyramidal spring 9 and lower mesh pad or rubber pad 5, inferior pyramidal spring 9 is enclosed within on the step cylindrical of Adjusting bolt Adjusting screw 12.Described inferior pyramidal spring 9 and lower mesh pad or rubber pad 5 are in parallel in the axial direction, and centre separates by lower spacer 15, is provided with lower stop piece 10 between the shaft shoulder lower surface of lower mesh pad or rubber pad 5 and Adjusting bolt Adjusting screw 12.
The concrete application approach of the utility model is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (3)
1. complex spring damp adjustable vibration isolator, comprise that upper end has the shell of opening (4), base plate (7) is equipped with in the below of shell (4), in shell, be provided with coupling shaft (1), the opening of shell (4) is stretched out in the upper end of coupling shaft (1), it is characterized in that: described coupling shaft (1) middle part is provided with the shaft shoulder, between shaft shoulder upper surface and shell (4) roof, is provided with and connects in the axial direction or upper conical spring (6) and upper mesh pad or the rubber pad (3) of parallel connection; Between the shaft shoulder lower surface and base plate (7) of coupling shaft (1), be provided with series connection in the axial direction or inferior pyramidal spring (9) and lower mesh pad or rubber pad (5) in parallel.
2. complex spring damp adjustable vibration isolator according to claim 1, it is characterized in that: the shaft shoulder bottom of coupling shaft (1) also is provided with adjustable damping mechanism, comprise folding ring (13), but cone governor shape ring (11) and Adjusting bolt Adjusting screw (12), the upper-end surface of described folding ring (13) and the laminating of coupling shaft (1) shaft shoulder lower surface, the inwall of cylindrical and shell (4) is close to, but the circular cone cylindrical of cone governor shape ring (11) and the laminating of the internal taper hole of folding ring (13), and upper-end surface is lower than the upper-end surface of folding ring, and its lower end surface exceeds the lower end surface of folding ring (13) and fits with the upper-end surface of Adjusting bolt Adjusting screw (12), Adjusting bolt Adjusting screw (12) is fixed by the external thread rotary of coupling shaft (1) lower end, inferior pyramidal spring (9) is enclosed within on the step cylindrical of Adjusting bolt Adjusting screw (12).
3. complex spring damp adjustable vibration isolator according to claim 1 and 2 is characterized in that: described shell (4) is fixing with tubular-shank rivet (8) with base plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203235033U CN203308992U (en) | 2013-06-06 | 2013-06-06 | Composite spring vibration isolator with adjustable damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203235033U CN203308992U (en) | 2013-06-06 | 2013-06-06 | Composite spring vibration isolator with adjustable damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203308992U true CN203308992U (en) | 2013-11-27 |
Family
ID=49615205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203235033U Expired - Lifetime CN203308992U (en) | 2013-06-06 | 2013-06-06 | Composite spring vibration isolator with adjustable damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203308992U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335048A (en) * | 2013-06-06 | 2013-10-02 | 南京捷诺环境技术有限公司 | Damping adjustable vibration isolator with combined springs |
| CN103836109A (en) * | 2014-02-25 | 2014-06-04 | 南京捷诺环境技术有限公司 | Low-coupling wall mounted vibration isolator and vibration isolator group |
| CN104696411A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Fixed-frequency type air damping vibration isolator |
| WO2016201890A1 (en) * | 2015-06-16 | 2016-12-22 | 广东工业大学 | Frequency-adjustable composite shock absorber |
-
2013
- 2013-06-06 CN CN2013203235033U patent/CN203308992U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335048A (en) * | 2013-06-06 | 2013-10-02 | 南京捷诺环境技术有限公司 | Damping adjustable vibration isolator with combined springs |
| CN104696411A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Fixed-frequency type air damping vibration isolator |
| CN103836109A (en) * | 2014-02-25 | 2014-06-04 | 南京捷诺环境技术有限公司 | Low-coupling wall mounted vibration isolator and vibration isolator group |
| CN103836109B (en) * | 2014-02-25 | 2016-04-06 | 南京捷诺环境技术有限公司 | A kind of hanging vibration isolator of low coupled wall and vibration isolator group |
| WO2016201890A1 (en) * | 2015-06-16 | 2016-12-22 | 广东工业大学 | Frequency-adjustable composite shock absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203308991U (en) | Composite spring vibration isolator with adjustable damping | |
| CN203308992U (en) | Composite spring vibration isolator with adjustable damping | |
| CN201246433Y (en) | Harmonic tremor peak-avoiding vibration damper | |
| CN205242632U (en) | Vertical isolation bearing of frictional damping | |
| CN106013489B (en) | One kind incidentally damping multidirectional negative stiffness device | |
| CN204533325U (en) | A kind of wire mesh vibration isolator | |
| CN103267078A (en) | Composite spring damping adjustable vibration isolator | |
| CN103335048A (en) | Damping adjustable vibration isolator with combined springs | |
| CN201696543U (en) | Damping fixing device | |
| CN205581756U (en) | Desktop computer mainframe box damper | |
| CN208673892U (en) | Transformer damped noise reduction device | |
| CN204962628U (en) | Lamps and lanterns shock attenuation installation assembly | |
| CN201925391U (en) | Damper | |
| CN203250600U (en) | Suspension type insulator arrester | |
| CN102052640B (en) | Xenon lamp vibration reduction device for helicopter | |
| CN204507286U (en) | The Cloud Terrace | |
| CN203730625U (en) | Damping adjustable spherical hinge type vibration isolator | |
| CN202274253U (en) | Shockproof base of camera and camera table shooting device | |
| CN205881786U (en) | High voltage isolator's damping shock -absorbing structure | |
| CN201747840U (en) | Two-way disc spring shock absorber | |
| CN203488615U (en) | Spring rubber shock absorber | |
| CN214946037U (en) | Light and small wall-mounted vibration isolator and vibration isolator set | |
| CN204372043U (en) | A kind of natural gas compressor damping device | |
| CN202402540U (en) | Three-directional vibration isolator of metal wire net | |
| CN202984041U (en) | Vibrator suspension hook vibration damping apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
|
| CX01 | Expiry of patent term |