CN101709850B - Vibration damper and lamp using same - Google Patents
Vibration damper and lamp using same Download PDFInfo
- Publication number
- CN101709850B CN101709850B CN 200910188725 CN200910188725A CN101709850B CN 101709850 B CN101709850 B CN 101709850B CN 200910188725 CN200910188725 CN 200910188725 CN 200910188725 A CN200910188725 A CN 200910188725A CN 101709850 B CN101709850 B CN 101709850B
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- Prior art keywords
- elastic component
- shock absorber
- damping body
- backup rolls
- vibration
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Abstract
The invention is suitable for the field of vibration dampers, which discloses a vibration damper and a lamp using the same. The vibration damper comprises a casing, an elastic component and two bearing shafts, wherein the elastic component is fixedly arranged in the casing, both ends of the casing are both provided with through holes, the two bearing shafts respectively penetrate into the through holes at both ends of the casing and are respectively clamped and embedded into the elastic component, and the vibration damper is fixedly connected on the lamp. The vibration damper and the lamp using the same, which are provided by the invention, have simple structure and convenient installation, the vibration of the lamp and the vibration of a base can be transmitted onto the elastic component by the bearing shafts, the energy of the vibration is absorbed by the elastic deformation of the elastic component, and the amplitude and the frequency of the vibration are quickly attenuated, thereby enhancing the vibration resistance of a product, prolonging the service life of the lamp greatly, lowering the use cost and the maintenance cost of a user, bringing maximum economic benefit to the user and enhancing the reliability of the product.
Description
Technical field
The invention belongs to the shock absorber field, relate in particular to a kind of shock absorber and use the light fixture of this shock absorber.
Background technology
On automobile, on the bullet train, a large amount of shock absorbers is arranged all on the equipment such as precision optical platform, guaranteeing machinery, equipment operate as normal under vibrational excitation, but damper structure of the prior art is complicated, installs inconvenient.In the illumination field of light fittings; Light fixture will receive lasting, strong three-way vibration excitation equally; But also there is not supporting lamp shock absorber, fragile when light fixture receives judder, increase maintenance cost and shortened service life of light fixture; Brought economic loss to the client, the reliability of light fixture is low.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art; A kind of shock absorber is provided and has used the light fixture of this shock absorber; Its good damping result, simple and reliable for structure, install simple and easy, make light fixture can continue, operate as normal under the strong three-way vibration excitation; Reduced the maintenance cost of light fixture, the reliability of light fixture is high.
Technical scheme of the present invention is: a kind of shock absorber; Comprise a shell, be fixedly arranged on elastic component and two backup rolls in the said shell; Said shell two ends all offer through hole, and said two backup rolls are arranged in the through hole at said shell two ends respectively and distinguish inlay card in said elastic component; Said elastic component comprises a second ring damping body and a circular damping body, and said annular damping body central authorities have perforation, and said annular damping body is sheathed on the said backup rolls, and said circular damping body is located between the said second ring damping body; Said backup rolls comprises the end, location and connects axial region that the external diameter of end, said location offers external screw thread greater than the external diameter that connects axial region on the said connection axial region.
Particularly, said shell comprises a sleeve and two end caps, and said end cap central authorities offer the through hole that can supply said backup rolls to wear, and said two end caps are fixedly arranged on the sleeve two ends respectively, is threaded between said end cap and the sleeve.
More specifically, offer in the middle of said annular damping body or the circular damping body can end, ccontaining said location cavity.
More specifically, the internal diameter of said through hole is greater than the external diameter of said connection axial region, and said annular damping body convexes with lug boss in said through hole with being connected between the axial region.
More specifically, the end, location of said two backup rolls is oppositely arranged, and its axial line is on same straight line, and said two backup rolls are hex bolts or snap bolt.
Preferably, said elastic component adopts rubber or plastic material manufacturing.
Preferably, said elastic component is spring or air bag.
Another technical scheme of the present invention is: a kind of light fixture is provided, has been fixedly connected with above-mentioned shock absorber on the said light fixture.
A kind of shock absorber provided by the present invention and use the light fixture of this shock absorber, it is simple and reliable for structure, installs simple and easy; Can make the vibration of light fixture and the vibration of pedestal be able to be passed on the elastic component through said backup rolls, and the energy of the strain absorbed oscillation through said elastic component, the amplitude of vibration and frequency are decayed rapidly; Thereby improve the resistance to shock of product; Reduce user's use cost and maintenance cost, bring maximum economic benefits, improve reliability of products to the user.
Description of drawings
Fig. 1 is the generalized section of a kind of shock absorber of providing of the embodiment of the invention;
Fig. 2 is the perspective exploded view of a kind of shock absorber of providing of the embodiment of the invention;
Fig. 3 is the schematic perspective view of a kind of light fixture of providing of the embodiment of the invention;
Fig. 4 is the floor map of a kind of light fixture of providing of the embodiment of the invention.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Technical scheme of the present invention is: a kind of shock absorber; Like Fig. 1～shown in Figure 2; A kind of shock absorber that the embodiment of the invention provides, it can be used in the embodiment of the invention said shock absorber being fixedly connected on the light fixture on equipment, instrument or the platforms such as light fixture, optical instrument; Said shock absorber comprises a shell 1, is fixedly arranged on elastic component 2 and two backup rolls 3 in the said shell 1; Said shell 1 two ends all offer through hole 121, and said two backup rolls 3 are arranged in the through hole 121 at said shell 1 two ends respectively and inlay card is in said elastic component 2 respectively, and said two backup rolls 3 separate through said elastic component 2; A said wherein backup rolls 3 is fixedly connected with light fixture 9, and another backup rolls 3 is fixedly connected (referring to mistake 3 and Fig. 4) with pedestal 8.Through such design; Make the vibration of light fixture 9 be able to be passed on the elastic component 2 through said backup rolls 3, and the energy of the strain absorbed oscillation through said elastic component 2, the amplitude of vibration and frequency are decayed rapidly; Thereby improve the resistance to shock of product; Reduce user's use cost and maintenance cost, bring maximum economic benefits, improve reliability of products to the user.
Particularly, said shell 1 comprises a sleeve 11 and two end caps 12, and said sleeve 11 both ends opens are cylindrical; Said end cap 12 central authorities offer the through hole 121 that can supply said backup rolls 3 to wear; Said two end caps 12 are fixedly arranged on sleeve 11 two ends respectively, are threaded between said end cap 12 and the sleeve 11, make be connected between end cap 12 and the sleeve 11 reliable; And easy accessibility helps improving the efficiency of assembling of product.
More specifically; Said elastic component 2 comprises a second ring damping body 21 and a circular damping body 22, and the profile of said annular damping body 21 and said shell 1 cavity shape are complementary, and said annular damping body 21 central authorities offer perforation 211; Said annular damping body 21 is sheathed on the said backup rolls 3; Said annular damping body 21 is located at the inner chamber two ends of said shell 1, and said circular damping body 22 is located between the said second ring damping body 21, and the height that said second ring damping body 21 and circular damping body 22 pile up and the height of said shell 1 inner chamber are complementary; Through such design; Said elastic component 2 is located in the inner chamber of shell 1 reliably, and when light fixture received vibrational excitation, said elastic component 2 can in time produce the energy of strain and absorbed oscillation.
More specifically; Said backup rolls 3 comprises end 31, location and connection axial region 32, and end, said location 31 inlay cards are in said elastic component 2, and its external diameter is greater than the external diameter of said connection axial region 32; Make said backup rolls 3 can be fastened in the elastic component 2 reliably; Prevent that backup rolls 3 from coming off in elastic component 2, said connection axial region 32 ends extend outside the shell 1, offer external screw thread on it; Can be easily be fixedly connected through screw thread between backup rolls 3 and pedestal or the light fixture, dismounting is simply easy.
More specifically, offer in the middle of said annular damping body 21 or the circular damping body 22 can end, ccontaining said location 31 cavity, make the compact conformation of product, assembling rationally.
More specifically, the internal diameter of said through hole 121 provides movable space for said backup rolls 3 greater than the external diameter of said connection axial region 32; When said backup rolls 3 receives stronger three-way vibration excitation; Said elastic component 2 can carry out by a relatively large margin strain with the energy of absorbed oscillation, helps protecting light fixture, and said annular damping body 21 convexes with lug boss 212 in said through hole 121 with being connected between the axial region 32; When said backup rolls 3 receives vibrational excitation radially; The energy of strain and absorbed oscillation will take place in said lug boss 212, and the amplitude of vibration and frequency are decayed rapidly, thereby further improve the damping property of product.
Preferably, said two backup rolls 3 are hex bolts or snap bolt, and said hex bolts or snap bolt can adopt standard component; Can directly on market, purchase, its cost is lower, and the end, location 31 of said two backup rolls 3 is for being oppositely arranged; Its axial line is on same straight line; Can avoid product to produce phenomenons such as skew or upset receiving three-way vibration when excitation, and the energy of absorbed oscillation better, reliability of products and stability improved.
Preferably, said elastic component 2 adopts rubber or plastic material manufacturing, and its elastic deformability is strong; The damping property of favourable raising product, and cost is low, can adopt the plastic mould moulding; Production efficiency is high; Additionally, said elastic component 2 also can be suitable parts such as spring, air bag, the scope that all belongs to the present invention and protected.
Another technical scheme of the present invention is: a kind of light fixture like Fig. 3 and shown in Figure 4, is fixedly connected with above-mentioned shock absorber on the said light fixture 9; Said shock absorber is fixedly connected on the light fixture 9 with nut 7 through said connection axial region 32; 3 of another backup rolls are fixedly connected on the pedestal 8, and the installation quantity of shock absorber can be decided according to the size and the environment for use of light fixture 9 on the light fixture 9, and the installation quantity of shock absorber can be one, two or more; Preferably; Be installed with 3 shock absorbers on the light fixture 9 and 3 shock absorbers are distributed on the light fixture 9 in the present embodiment, between the adjacent shock absorber 120 ° at interval, can preventing damage phenomenons such as the structure of resistance to shock differences such as bulb, electric ballast in the light fixture 9 comes off, fracture effectively; Prolong the service life of light fixture 9 greatly; Reduce user's use cost and maintenance cost, bring maximum economic benefits, improve reliability of products to the user.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. shock absorber; It is characterized in that: comprise a shell, be fixedly arranged on elastic component and two backup rolls in the said shell; Said shell two ends all offer through hole, and said two backup rolls are arranged in the through hole at said shell two ends respectively and distinguish inlay card in said elastic component; Said elastic component comprises a second ring damping body and a circular damping body, and said annular damping body central authorities have perforation, and said annular damping body is sheathed on the said backup rolls, and said circular damping body is located between the said second ring damping body; Said backup rolls comprises the end, location and connects axial region that the external diameter of end, said location offers external screw thread greater than the external diameter that connects axial region on the said connection axial region.
2. a kind of shock absorber as claimed in claim 1; It is characterized in that: said shell comprises a sleeve and two end caps; Said end cap central authorities offer the through hole that can supply said backup rolls to wear, and said two end caps are fixedly arranged on the sleeve two ends respectively, are threaded between said end cap and the sleeve.
3. a kind of shock absorber as claimed in claim 1 is characterized in that: offer in the middle of said annular damping body or the circular damping body can end, ccontaining said location cavity.
4. a kind of shock absorber as claimed in claim 1 is characterized in that: the internal diameter of said through hole is greater than the external diameter of said connection axial region, and said annular damping body convexes with lug boss in said through hole with being connected between the axial region.
5. a kind of shock absorber as claimed in claim 1 is characterized in that: the end, location of said two backup rolls is oppositely arranged, and its axial line is on same straight line, and said two backup rolls are hex bolts or snap bolt.
6. a kind of shock absorber as claimed in claim 1 is characterized in that: said elastic component adopts rubber or plastic material manufacturing.
7. a kind of shock absorber as claimed in claim 1 is characterized in that: said elastic component is spring or air bag.
8. a light fixture is characterized in that: fixedly mount just like each described shock absorber in the claim 1 to 7 on the said light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910188725 CN101709850B (en) | 2009-12-04 | 2009-12-04 | Vibration damper and lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910188725 CN101709850B (en) | 2009-12-04 | 2009-12-04 | Vibration damper and lamp using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709850A CN101709850A (en) | 2010-05-19 |
| CN101709850B true CN101709850B (en) | 2012-10-10 |
Family
ID=42402650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910188725 Expired - Fee Related CN101709850B (en) | 2009-12-04 | 2009-12-04 | Vibration damper and lamp using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709850B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922685B (en) * | 2010-01-11 | 2012-12-19 | 海洋王照明科技股份有限公司 | Vibration absorber and lamp using same |
| CN103017094A (en) * | 2011-09-20 | 2013-04-03 | 海洋王照明科技股份有限公司 | Insulated shock-absorbing anticorrosive cushion block and ocean explosion-proof lamp with cushion block |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU934079A1 (en) * | 1980-06-30 | 1982-06-07 | Рижский Ордена Трудового Красного Знамени Политехнический Институт | Rubber-metal suspension |
| CN2311690Y (en) * | 1997-09-18 | 1999-03-24 | 山河电机厂股份有限公司 | Anti-shocking alarming light |
| CN101532546A (en) * | 2009-04-14 | 2009-09-16 | 南京捷诺环境技术有限公司 | Spring-combination-type vibration isolator |
-
2009
- 2009-12-04 CN CN 200910188725 patent/CN101709850B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU934079A1 (en) * | 1980-06-30 | 1982-06-07 | Рижский Ордена Трудового Красного Знамени Политехнический Институт | Rubber-metal suspension |
| CN2311690Y (en) * | 1997-09-18 | 1999-03-24 | 山河电机厂股份有限公司 | Anti-shocking alarming light |
| CN101532546A (en) * | 2009-04-14 | 2009-09-16 | 南京捷诺环境技术有限公司 | Spring-combination-type vibration isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101709850A (en) | 2010-05-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20181204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |