CN205978251U - Thump type back isolator - Google Patents
Thump type back isolator Download PDFInfo
- Publication number
- CN205978251U CN205978251U CN201620687999.6U CN201620687999U CN205978251U CN 205978251 U CN205978251 U CN 205978251U CN 201620687999 U CN201620687999 U CN 201620687999U CN 205978251 U CN205978251 U CN 205978251U
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- spring
- thump
- vibration isolator
- type back
- buffering
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- 230000003139 buffering effect Effects 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000737 Duralumin Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 238000011835 investigation Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
The utility model relates to a thump type back isolator, establish the casing and the edge of cavity in the strip in including well cavity length direction places center pin wherein in, the center pin its both ends and separately the corresponding intermural holding respectively of cavity intracavity have one set of buffer adjustment device. This equipment is equipped with cushion rubber cover and gauze pad respectively in the both sides of lock nut step, and when electronic equipment received great impact force, electronic equipment drove the joint bearing who links to each other with it to driving the center pin and removing with lock nut, the lock nut inner wall forms the absorbed energy of contact buffering for the first time with the cushion rubber cover, along with the continuation increase of displacement volume, lock nut step outer wall forms the absorbed energy of contact buffering for the second time with gauze pad, through double buffering, can obtain splendid buffering effect.
Description
Technical field
This utility model is related to a kind of vibration isolator, is specifically a kind of thump type back vibration isolator, belongs to vibration isolation and protects
Shield equipment manufacturing technology field.
Background technology
It is installed on the electronic equipment of combat system, when Campaign Process is vulnerable to greater impact power, produce larger toppling
Power, for guaranteeing the normal work of electronic equipment it is desirable to the vibration isolator being installed on electric equipment back has stronger impact resistance,
Guarantee electronic equipment energy normal work.
The back vibration isolator using in the market is stiffness-adjustable mutative damp back vibration isolator, and this vibration isolator patent is public
The number of opening is CN204610661U, although this back vibration isolator has certain anti-vibration and shock performance, in actually used and test
In checking, find that this vibration isolator has following defect：
1st, this patent Example 1, no buffer structure part inside the vibration isolator of back, when equipment is subject to greater impact, only
Depend on independent single spring buffer effect poor, and the fracture of spring easy overload damage；Although being provided with cushion pad in embodiment 2,
But cushion pad lifting surface area is less and discontinuity, buffering effect is poor, and independent single spring is still subject to larger impulsive force, easily
Overload damage ruptures.
2nd, the outer Adjusting bolt Adjusting screw at housing two ends and interior Adjusting bolt Adjusting screw adopt plane and plane contact, the investigation mission outside the city or town to debugging two ends
Section swivel nut require high, as larger in tension pressure make vibration isolator level to cannot move, such as excessively pine pressure less so that investigation mission outside the city or town spiral shell
Undamped power between set and interior Adjusting bolt Adjusting screw, brings larger difficulty to debugging.And central shaft cannot tilt certain angle, easily leads
Cause to be squeezed between investigation mission outside the city or town swivel nut and interior Adjusting bolt Adjusting screw power excessive deformation.
Therefore, study a kind of thump type back vibration isolator, on the basis of guaranteeing effectiveness in vibration suppression, level is subject to this vibration isolator
During to greater impact power, can effectively apparatus with shock absorbing and inner elastomeric part and structural member intact, there is preferable buffering and make
With.
Utility model content
This utility model is directed to defect present in prior art, proposes a kind of thump type back vibration isolator, this vibration isolation
During device horizontal vibration, antivibrator damping force is linear, has preferable vibration isolation effect, during impact, antivibrator damping force assumes non-thread
Property, there is preferable cushioning effect.
For realizing above technical purpose, this utility model will take following technical scheme：
A kind of thump type back vibration isolator, including in set in strip the housing of cavity and along in cavity length direction be placed in
Central shaft therein, central shaft is equipped with a set of dash adjustment dress between its two ends and each corresponding middle cavity inner wall respectively
Put, buffer regulating device includes covering the spiral cover in cavity body one end open portion, gong in the housing and connects and be fixed on center shaft end
Locking nut, and by spiral cover, locking nut and inner walls cooperate order abut pressing open loop, conical ring, damping
Slide plate, positioning sleeve, main spring seat, main spring, buffer spring and buffering spring abutment, the outer end of wherein locking nut is provided with step；Open
The side of ring boss default with inner walls abuts, and is socketed central shaft in the middle part of damping slide plate, and the piece body of damping slide plate passes through cone
Ring abuts open loop；Main spring is socketed in inside positioning sleeve and its two ends is abutted with main spring seat, locking nut respectively；Buffer spring
It is connected between locking nut and spiral cover by buffer spring cover for seat and its two ends is abutted with spiral cover, locking nut respectively；Buffer spring
Seat is cylindrical to be provided with yielding rubber set；It is provided with contact shape plane spring between main spring seat and positioning sleeve.
The technical scheme that this vibration isolator limits further as：
Further, two faces that open loop and conical ring contact have the taper being mutually adapted.
Further, positioning set upper side is provided with gauze pad.
Further, gauze pad is made up of metal gauze or rubber.
Further, spiral cover is spirally connected fixation by the female thread on external screw thread thereon and middle cavity.
Further, damping slide plate include being socketed central shaft sliding sleeve and on the basis of described sliding sleeve side circumferential extension
Piece body, described body press open loop by conical ring.
Further, the outer circumference surface of open loop is abutted with inner walls.
Further, buffering cylindrical being provided with step, step of spring abutment is enclosed with yielding rubber set.
Further, the middle part of central shaft is connected with oscillating bearing, described oscillating bearing has and is connected with shock-absorption device
Connection end；The supporting spring of outer taper is cased with the central shaft of described oscillating bearing both sides, one end of described supporting spring abuts respectively
Open loop, the other end of described supporting spring abuts oscillating bearing by spring base.
Further, housing, spiral cover material are rustless steel or duralumin, hard alumin ium alloy.
This utility model, due to taking above technical scheme, has the advantage that：
1st, locking nut is provided with step, increases the contact area with gauze pad, yielding rubber set, is allowed to be more uniformly stressed,
Thus obtaining preferable buffering effect.
2nd, it is provided with step in spiral cover to be fixed equipped with buffer spring and with screw, the other end of buffer spring is provided with buffer spring
Seat, buffering spring abutment is provided with step, outer wrapping yielding rubber set under step, has one between yielding rubber set and locking nut stepped inner walls
Fixed space, provides the space of motion for stationary vibration；When electronic equipment is subject to greater impact power, electronic equipment drives therewith
Connected oscillating bearing, thus driving central shaft to move with locking nut, locking nut inwall covers formation first with yielding rubber
Secondary contact snubber energy；Continuation with displacement increases, and locking nut step outer wall forms second with gauze pad and contacts
Snubber energy；By double buffering, splendid buffering slow fruit can be obtained,（This is such back in the market
The functional characteristics that vibration isolator does not have.）
2nd, main spring lower end is provided with main spring seat, and main spring seat is arranged below contact shape plane bullet, and this spring is in Vertical Square
To for zero stiffness, but in level to having larger non-linear rigidity, central shaft is provided with vibration with contacting shape plane spring endoporus
Required space.When vibrating, contact shape plane spring is inoperative；It is provided with buffer spring, bag between spiral cover and locking nut
The yielding rubber set and the locking nut stepped inner walls that are rolled under the buffering cylindrical step of spring abutment are provided with the required space of vibration.I.e.
During vibration, buffer spring is inoperative；When back vibration isolator is subject to greater impact power, main spring, buffer spring, contact shape plane bullet
Spring three is parallel relationship and stress simultaneously, is provided that larger non-linear rigidity, obtains preferable buffering effect.In being simultaneously
Heart axle provides larger reset force, and each spring of effective protection and be difficult overload damage fracture.
3rd, damping slide plate is provided with step, increases the contact area with central shaft, and has certain space and between conical ring, is used for carrying
For vibrating necessary displacement space, when vibration isolator is subject to stationary vibration, provide constant damping force by damping slide plate, main spring provides
Rigidity, buffer spring with to contact shape plane spring all inoperative, to obtain preferable vibration isolating effect；When vibration isolator is impacted
When, damping slide plate step promotes conical ring to move, and vibration isolator damping force is in non-linear increase, for impact energy is lost, obtains relatively
Good buffering effect；
4th, positioning set upper side is provided with gauze pad, and for second snubber energy, this gauze pad can be pressed into by metal gauze
Shape or be made by rubber.
5th, set buffer spring between locking nut and spiral cover, centered on the inclination of axle left space, provide central shaft simultaneously
Reset force.
6th, it is provided with step in housing two ends, for loading open loop, provide position location for a title spring simultaneously.
7th, the spiral cover at two ends is cylindrical is provided with limited step, only spiral cover need to be threaded to limited step, to assembling during assembling
Bring conveniently.Prevent from leading to buffer spring decrement excessive because screw-in is too deep, thus affecting vibration isolation and buffering effect simultaneously.
8th, oscillating bearing two sides are provided with spring base, and spring base is provided with and to claim a spring, claim that spring is vertical just less to be similar to
Zero, only play the effect of positioning joint position of bearings, the form of oscillating bearing can be female thread cellular type or external screw thread rod-type simultaneously.
9th, open loop is provided with internal taper, and conical ring exit orifice is provided with external taper, and both work in coordination.When vibration isolator is subject to greater impact
During power, both slide along the conical surface and produce larger friction damping force, for impact energy is lost, obtain buffering.
10th, pass through to adjust the depth that central shaft two ends locking nut screws in, change the decrement of main spring, thus change is fixed
The normal pressure to damping slide plate for the position set, realizes the adjustment of initial damping force.
Brief description
Fig. 1 is the internal structure schematic diagram of vibration isolator；
Fig. 2 is the top view of vibration isolator.
In figure：Housing 1, spiral cover 2, locking nut 3, buffer spring 4, main spring 5, positioning sleeve 6, damp slide plate 7, conical ring 8, prop up
Support spring 9, spring base 10, central shaft 11, oscillating bearing 12, open loop 13, gauze pad 14, contact shape plane spring 15, screw 16, buffering
Spring abutment 4.1, yielding rubber set 4.2, main spring seat 5.1.
Specific embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved by this utility model without limitation；Below with reference to
Accompanying drawing explains the technical solution of the utility model.
Embodiment 1
A kind of thump type back vibration isolator, housing, spiral cover are stainless steel or duralumin, hard alumin ium alloy material.As shown in figure 1,
Set cavity in strip in housing 1, central shaft 11 along in cavity length direction be placed in one, central shaft 11 is in its two ends and respective phase
It is equipped with a set of buffer regulating device between corresponding middle cavity inner wall respectively, the middle part of central shaft 11 is connected with oscillating bearing 12, close
The connection end being connected with shock-absorption device is had on bearings 12；Propping up of outer taper is cased with respectively on the central shaft of oscillating bearing both sides
Support spring 9, one end of supporting spring 9 abuts open loop 13, and the other end of supporting spring 9 abuts oscillating bearing 12 by spring base 10.
Buffer regulating device includes covering the spiral cover 2 in cavity body one end open portion in the housing, being spirally connected is fixed on central shaft
The locking nut 3 of end, and the open loop of the order abutting pressing that cooperated by spiral cover 2, locking nut 3 and housing 1 inwall
13rd, conical ring 8, damping slide plate 7, positioning sleeve 6, main spring seat 5.1, main spring 5 and buffer spring 4, the wherein outer end of locking nut 3
It is provided with step；The side of open loop 13 boss default with housing 1 inwall abuts, damping slide plate 7 middle part socket central shaft 11, damping
The piece body of slide plate 7 abuts open loop 13 by conical ring 8；Main spring 5 be socketed in positioning sleeve 6 inner side and its two ends respectively with main spring
Seat 5.1, locking nut 3 abut；Buffer spring 4 be socketed between locking nut 3 and spiral cover 2 and its two ends respectively with spiral cover 2, lock
Jack panel 3 abuts；Yielding rubber set 4.2 is wrapped under the buffering cylindrical step of spring abutment 4.1；Between main spring seat 5.1 and positioning sleeve 6
It is provided with contact-type plane spring 15.
Disclosed in the present embodiment, vibration isolator has the advantage that：
Locking nut is provided with step, increases the contact area with gauze pad, yielding rubber set, is allowed to be more uniformly stressed, from
And obtain preferable buffering effect.It is provided with step in spiral cover to be fixed equipped with buffer spring and with screw, the other end of buffer spring
It is provided with buffering spring abutment, wrap up yielding rubber set under the buffering cylindrical step of spring abutment, between yielding rubber set and locking nut stepped inner walls
There is certain space, the space of motion is provided for stationary vibration；When electronic equipment is subject to receive greater impact power, electronic equipment drives
The oscillating bearing being attached thereto, thus driving central shaft to move with locking nut, locking nut inwall is formed with yielding rubber set
Contact snubber energy for the first time；Continuation with displacement increases, and locking nut step outer wall forms second with gauze pad
Contact snubber energy；By double buffering, splendid buffering slow fruit can be obtained,（This is such in the market
Back vibration isolator does not have functional characteristics.）.Main spring lower end is provided with main spring seat, and main spring seat is arranged below contact shape and puts down
Face bullet, this spring is zero stiffness in vertical direction, but in level to having larger non-linear rigidity, central shaft is put down with contacting shape
Diaphragm flexures endoporus is provided with the required space of vibration.When vibrating, contact shape plane spring is inoperative；Spiral cover and locking screw
It is provided with buffer spring, the yielding rubber set being wrapped under the buffering cylindrical step of spring abutment is provided with vibration with locking nut stepped inner walls between mother
Required space.When vibrating, buffer spring is inoperative；When back vibration isolator is subject to greater impact power, main spring, slow
Rush spring, contact shape plane spring three is parallel relationship and stress simultaneously, is provided that larger non-linear rigidity, obtain preferably
Buffering effect, simultaneously centered on axle larger reset force is provided, and each spring of effective protection and be difficult overload damage fracture.Resistance
Buddhist nun's slide plate is provided with step, increases the contact area with central shaft, and has certain space and between conical ring, for providing position needed for vibration
Move space, when vibration isolator is subject to stationary vibration, provide constant damping force by damping slide plate, main spring provides rigidity, buffer spring
Shape plane spring is all inoperative with contacting, to obtain preferable vibration isolating effect；When vibration isolator is impacted, damp slide plate platform
Rank promotes conical ring to move, and vibration isolator damping force is in non-linear increase, for impact energy is lost, obtains preferable buffering effect.
Positioning set upper side is provided with gauze pad, for second snubber energy, this gauze pad can by metal gauze compressing or
It is made by rubber.Set buffer spring between locking nut and spiral cover, centered on the inclination of axle left space, in providing simultaneously
The restoring force of heart axle.Housing is provided with step in two ends, for loading open loop, provides position location for a title spring simultaneously.Two ends
Spiral cover cylindrical be provided with limited step, only spiral cover need to be threaded to limited step during assembling, bring conveniently to assembling.Simultaneously
Prevent from leading to buffer spring decrement excessive because screw-in is too deep, thus affecting vibration isolation and buffering effect.Oscillating bearing two sides set
Have spring base, spring base is provided with and to claim a spring, claim spring vertical just less be similar to zero, only play the work of positioning joint position of bearings
With the form of oscillating bearing can be female thread cellular type or external screw thread rod-type simultaneously.Open loop is provided with internal taper, and conical ring exit orifice is provided with outer
Taper, both work in coordination.When vibration isolator is subject to greater impact power, both slide along the conical surface and produce larger friction resistance
Buddhist nun's power, for impact energy is lost, obtains buffering.By adjusting the depth that central shaft two ends locking nut screws in, change main bullet
The decrement of spring, thus changing the normal pressure to damping slide plate for the positioning sleeve, realizes the adjustment of initial damping force.
Claims (10)
1. a kind of thump type back vibration isolator, including in set in strip the housing of cavity and put along described middle cavity length direction
In central shaft therein, described central shaft is equipped with a set of buffering between its two ends and each corresponding middle cavity inner wall respectively
Adjusting means it is characterised in that：Described buffer regulating device includes covering the spiral cover in cavity body one end open portion, gong in the housing
Connect the locking nut being fixed on center shaft end, and by spiral cover, locking nut and inner walls cooperate order abut
The open loop of pressing, conical ring, damping slide plate, positioning sleeve, main spring seat, main spring, buffer spring and buffering spring abutment, wherein locking nut
Outer end be provided with step；The side of open loop boss default with inner walls abuts, and is socketed center in the middle part of described damping slide plate
Axle, the piece body of described damping slide plate abuts open loop by conical ring；Described main spring is socketed in inside positioning sleeve and its two ends is divided
Do not abut with main spring seat, locking nut；Described buffer spring be connected between locking nut and spiral cover by buffer spring cover for seat and
Its two ends is abutted with spiral cover, locking nut respectively；Spring abutment is cylindrical is provided with yielding rubber set for described buffering；Main spring seat and positioning sleeve
Between be provided with contact shape plane spring.
2. thump type back vibration isolator according to claim 1 it is characterised in that：Described open loop and conical ring contact
Two faces have the taper being mutually adapted.
3. thump type back vibration isolator according to claim 1 it is characterised in that：Positioning set upper side is provided with gauze pad.
4. thump type back vibration isolator according to claim 3 it is characterised in that：Described gauze pad be metal gauze or
Rubber is made.
5. thump type back vibration isolator according to claim 1 it is characterised in that：Described spiral cover passes through outer spiral shell thereon
Female thread on stricture of vagina and middle cavity is spirally connected fixation.
6. thump type back vibration isolator according to claim 1 it is characterised in that：Described damping slide plate is included in socket
The sliding sleeve of heart axle and on the basis of described sliding sleeve side circumferential extension piece body, described body press open loop by conical ring.
7. thump type back vibration isolator according to claim 1 it is characterised in that：The outer circumference surface of described open loop and shell
Internal wall abuts.
8. thump type back vibration isolator according to claim 1 it is characterised in that：Spring abutment is cylindrical is provided with platform for described buffering
Rank, is enclosed with yielding rubber set under step.
9. thump type back vibration isolator according to claim 1 it is characterised in that：The middle part of described central shaft is connected with pass
Bearings, described oscillating bearing is had the connection end being connected with shock-absorption device；Divide on the central shaft of described oscillating bearing both sides
It is not cased with the supporting spring of outer taper, one end of described supporting spring abuts open loop, and the other end of described supporting spring is supported by spring base
Connect oscillating bearing.
10. thump type back vibration isolator according to claim 1 it is characterised in that：Described housing, spiral cover material are not
Rust steel or duralumin, hard alumin ium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687999.6U CN205978251U (en) | 2016-07-01 | 2016-07-01 | Thump type back isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687999.6U CN205978251U (en) | 2016-07-01 | 2016-07-01 | Thump type back isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978251U true CN205978251U (en) | 2017-02-22 |
Family
ID=58023141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687999.6U Active CN205978251U (en) | 2016-07-01 | 2016-07-01 | Thump type back isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855833A (en) * | 2021-01-29 | 2021-05-28 | 无锡市江大隔振器有限公司 | Strong impact resistant back shock absorber |
-
2016
- 2016-07-01 CN CN201620687999.6U patent/CN205978251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855833A (en) * | 2021-01-29 | 2021-05-28 | 无锡市江大隔振器有限公司 | Strong impact resistant back shock absorber |
| CN112855833B (en) * | 2021-01-29 | 2024-08-27 | 无锡市江大隔振器有限公司 | Strong impact-resistant back damper |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200825 Address after: No.4, 3 / F, building B-3, block 2, Wuda Hangyu, Wuda science and Technology Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN ZHONGDIAN HUARUI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 430223 No.4, floor 3, building B-3, block 2, Wuda Hangyu District, Wuhan City, Hubei Province Co-patentee before: Zhu Xiaofang Patentee before: WUHAN ZHONGDIAN HUARUI TECHNOLOGY DEVELOPMENT Co.,Ltd. |