CN207213029U - A kind of damper with independent air bags - Google Patents
A kind of damper with independent air bags Download PDFInfo
- Publication number
- CN207213029U CN207213029U CN201721069822.0U CN201721069822U CN207213029U CN 207213029 U CN207213029 U CN 207213029U CN 201721069822 U CN201721069822 U CN 201721069822U CN 207213029 U CN207213029 U CN 207213029U
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- China
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- cylinder body
- air bags
- independent air
- guide pin
- pin bushing
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Abstract
A kind of damper with independent air bags, including draw ring, oil sealing, guide pin bushing, cylinder body, piston rod, piston are rear stifled.Guide pin bushing and oil sealing are fixed on the upper end of cylinder body.Piston rod is located in cylinder body, and the lower end of piston rod and piston are connected, and the upper end of piston rod is sequentially connected through after guide pin bushing and oil sealing with draw ring.The lower end for being installed in cylinder body is blocked up afterwards.The inner chamber of the lower end of cylinder body is sequentially provided with independent air bags, barrier film and spacer from bottom to top.Wherein it is connected between the lower ending opening of independent air bags and plant upper end stifled after being fixed on and the inner surface of cylinder body and with the inner surface sealing of cylinder body.The inner surface of barrier film and cylinder body is slidably connected.Spacer and cylinder body are connected and are located at the lower section of piston.The center of spacer is provided with a centre bore for penetrating lower surface thereon.Piston is provided with the oil guiding hole for turning on the space that the lower surface of its lower surface and itself and piston rod outer surface, the inner surface of cylinder body and guide pin bushing is surrounded.Oil medium is full of in the space that the inner surface of cylinder body and the surface of respective members are formed.
Description
Technical field
It the utility model is related to damper technique field, and in particular to a kind of damper of independent air bags.
Background technology
Damper or shock absorber are a kind of devices for slowing down mechanical oscillation and consumption kinetic energy using damping characteristic.It is commonly used in
In the suspension system and motorcycle of automobile, some bicycles also have shock absorber.Some skyscraper are considered for shockproof, also can
There are damper, such as Taipei 101, the building of Kaohsiung 85 etc..But current damper is mostly not provided with independent air bags, damper makes
With being subject to certain restrictions for performance.
The content of the invention
Main inventive purpose of the present utility model, it is to provide a kind of damper with independent air bag.
Technical scheme used in the utility model is：A kind of damper with independent air bags, including draw ring, oil sealing, lead
Set, cylinder body, piston rod, piston are rear stifled.Guide pin bushing and oil sealing are fixed on the upper end of cylinder body from bottom to top.Piston rod is located in cylinder body,
The lower end of piston rod and piston are connected, and the upper end of piston rod is sequentially connected through after guide pin bushing and oil sealing with draw ring from bottom to top.Afterwards
The stifled lower end for being installed in cylinder body.The inner chamber of the lower end of cylinder body is sequentially provided with independent air bags, barrier film and spacer from bottom to top.It is wherein only
Sealed between upper end that the lower ending opening of vertical air bag and plant are blocked up after being fixed on and the inner surface of cylinder body and with the inner surface of cylinder body
It is connected.The inner surface of barrier film and cylinder body is slidably connected.Spacer and cylinder body are connected and are located at the lower section of piston.The center of spacer is provided with
One penetrates the centre bore of lower surface thereon.Piston, which is provided with, turns on its lower surface and itself and piston rod outer surface, the interior table of cylinder body
The oil guiding hole in the space that face and the lower surface of guide pin bushing are surrounded.In the space that the inner surface of cylinder body and the surface of respective members are formed
Full of oil medium.
The utility model is operated by following principle：
1. by being pressed downward piston, oil medium produces the damping force of both direction by spacer, and oil medium one end passes through work
Get back into oil storage chamber, one end is moved downward by spacer by means of membrane compresses standalone elastic air bag；
2. by pulling up piston, oil medium produces the damping force of both direction by spacer, and oil medium is returned by piston
Into oil storage chamber, standalone elastic air bag extends to extreme position automatically in the presence of inside air bag air pressure.
The utility model, due to the presence of standalone elastic air bag, it on the one hand can mitigate the impulsive force for pushing piston, it is another
Aspect can be reduced the pulling force required for piston pull-up, therefore can improve the performance of damper, expand damper
Application.
Preferably, the external diameter of stifled hypomere and the external diameter of cylinder body are equal afterwards, the endoporus of cylinder body is inserted in stifled stage casing afterwards, and
Concave ring groove is blocked up after stifled stage casing is formed with one afterwards, after cylinder body press-in is described in stifled concave ring groove.Blocked up after the diameter of stifled epimere is less than afterwards
Stage casing diameter in favor of independent air bags lower end plant be fixed on after block up upper end and cylinder body inner surface between and and cylinder
The inner surface sealing of body is connected.The lower end of independent air bags, provided with a rectangle annular groove.Stretch in rear stifled epimere the lower end of independent air bags
In space between inner surface of cylinder block, the shaft shoulder between stage casing that the lower surfaces of independent air bags is blocked up after pressing close to and epimere stifled afterwards
Face, cylinder body are pressed into independent air bags in the rectangle annular groove, so as to realize that the inner surface of the lower end of independent air bags and cylinder body seals
It is fixedly linked.This preferred scheme, simple in construction, processing and manufacturing is easy, and perfect can realize lower end and the cylinder body of independent air bags
Inner surface sealing be fixedly linked, there is the advantages of safe and reliable high.
Preferably, the lower end of spacer is provided with a reentrant cylindrical cavity.In addition, the external cylindrical surface of spacer is provided with spacer scrobicular ring
Groove, the inner surface of cylinder body are pressed into described spacer concave ring groove.This preferred scheme, the setting of reentrant cylindrical cavity, be advantageous to oily Jie
Matter turns on two sides up and down of spacer；Setting up for spacer concave ring groove, it is simple in construction, it can easily and reliably fix spacer.
Preferably, the lower end of guide pin bushing is provided with a guide pin bushing concave ring groove, the inner surface of cylinder body is pressed into the guide pin bushing concave ring groove.
This preferred scheme, it is simple in construction, it can easily and reliably fix guide pin bushing.
Preferably, guide pin bushing is provided with a through hole, space of the through hole conducting outside two sides above and below guide pin bushing.This is preferably
Scheme, lubricant effect is improved, the abrasion of piston rod is advantageously reduced, improves the service life of piston rod.
Preferably, cylinder body is provided with the oil sealing fixation bulge loop for the lower surface of oil sealing being squeezed the upper surface for being attached to guide pin bushing.This
Preferred scheme, simple in construction, processing and manufacturing is easy, and using effect is good.
Preferably, the upper end of piston rod is installed with dust cover, the dust-proof lower section for being located at draw ring.This preferred side
Case, simple in construction, processing and manufacturing is easy, effectively can prevent dust and other impurities from falling between oil sealing and piston rod, improve this practicality
New using effect and reliability.
Preferably, the draw ring includes outer draw ring, interior draw ring and buffer stopper.Outer draw ring and piston rod are connected, buffer stopper
It is located between outer draw ring and interior draw ring.This preferred scheme, simple in construction, using effect is good.
Preferably, the lower end of cylinder body is installed with connector.The connector is used for the utility model and field of employment
External member be connected.This preferred scheme, it is easy to use of the present utility model.
In summary, the beneficial effects of the utility model are：Using the presence of standalone elastic air bag, on the one hand can mitigate
The impulsive force of piston is pushed, on the other hand can be reduced the pulling force required for piston pull-up, therefore damper can be improved
Performance, expand the application of damper.
Brief description of the drawings
Fig. 1：Structural representation of the present utility model；
In figure：Outer draw ring 1, buffer stopper 2, interior draw ring 3, dust cover 4, oil sealing 5, guide pin bushing 6, guide pin bushing concave ring groove 6.1, through hole
6.2, cylinder body 7, oil sealing fixation bulge loop 7.1, piston rod 8, piston 9, oil guiding hole 9.1, spacer 10, centre bore 10.1, connector 12,
Fixed circle 12.1,13 are blocked up afterwards, afterwards stifled concave ring groove 13.1, rectangle annular groove 13.2, independent air bags 14, oil medium 15.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in figure 1, the utility model includes draw ring, oil sealing 5, guide pin bushing 6, cylinder body 7, piston rod 8, piston 9,13 are blocked up afterwards.
Guide pin bushing 6 and oil sealing 5 are fixed on the upper end of cylinder body 7 from bottom to top.Piston rod 8 is located in cylinder body 7, the lower end of piston rod 8 and piston 9
It is connected, the upper end of piston rod 8 is sequentially connected through after guide pin bushing 6 and oil sealing 5 with draw ring from bottom to top.13 are blocked up afterwards is installed in cylinder body 7
Lower end.The inner chamber of the lower end of cylinder body 7 is sequentially provided with independent air bags 14, barrier film 11 and spacer 10 from bottom to top.Wherein independent gas
The lower ending opening of capsule 14 and plant be fixed on after block up 13 upper end and cylinder body 7 inner surface between and and cylinder body 7 inner surface it is close
Envelope is connected.The inner surface of barrier film 11 and cylinder body 7 is slidably connected.Spacer 10 and cylinder body 7 are connected and located at the lower sections of piston 9.Spacer
10 center is provided with a centre bore 10.1 for penetrating lower surface thereon.Piston 9, which is provided with, turns on its lower surface and itself and piston rod 8
The oil guiding hole 9.1 in the space that the lower surface of outer surface, the inner surface of cylinder body 7 and guide pin bushing 6 is surrounded.The inner surface and phase of cylinder body 7
Answer and be full of oil medium 15 in the space that the surface of component forms.
Preferably, stifled 13 lower end be located at outside cylinder body 7 and is bonded with the lower surface of cylinder body 7 afterwards, and diameter and cylinder body 7
External diameter is equal.The diameter of stifled 13 upper ends is less than the diameter of the endoporus of cylinder body 7 and is provided with a rectangle annular groove 13.2 afterwards, in rear stifled 13
Concave ring groove 13.1 is blocked up in end outer surface after being formed with one, cylinder body 7 is pressed into the rear stifled concave ring groove.Stretch rear the lower end of independent air bags 14
In space between stifled 13 upper end and the inner surface of cylinder body 7, the lower surfaces of independent air bags 14 blocked up after pressing close to 13 middle-end with it is rear stifled
Shaft shoulder face between 13 upper end.Cylinder body 7 is pressed into independent air bags 14 in the rectangle annular groove, so as to realize independent air bags 14
Sealing between the inner surface of lower end and cylinder body 7 is fixedly linked.The lower end of spacer 10 is provided with a reentrant cylindrical cavity 10.2.Spacer 10
External cylindrical surface be provided with spacer concave ring groove, in the described spacer concave ring groove of the inner surface press-in of cylinder body 7.The lower end of guide pin bushing 6 is set
There is a guide pin bushing concave ring groove 6.1, the inner surface of cylinder body 7 is pressed into the guide pin bushing concave ring groove.Guide pin bushing 6 is provided with a through hole 6.2, leads to
The conducting of hole 6.2 is located at space of the guide pin bushing about 6 outside two sides.Cylinder body 7, which is provided with the lower surface of oil sealing 5 to squeeze, is attached to guide pin bushing 6
The oil sealing of upper surface fixes bulge loop 7.1.
Preferably, the upper end of piston rod 8 is installed with dust cover 4, the dust cover 4 is located at the lower section of draw ring.Dust cover 4
Concrete structure and its specific attachment with piston rod 8, because being simple technique, will not be described here.And the draw ring bag
Include outer draw ring 1, interior draw ring 3 and buffer stopper 2.Outer draw ring 1 and piston rod 8 be connected, buffer stopper 2 be located at outer draw ring 1 and interior draw ring 3 it
Between.The present embodiment, outer draw ring 1, interior draw ring 3 and the three of buffer stopper 2 are rod component, and the axis of three is and piston rod 8
Axis intersects vertically.The lower end of cylinder body 7 is installed with connector 12.The present embodiment, connector 12 are a U-shaped product, U-shaped bottom and
The outer surface adaptation of cylinder body 7 is simultaneously connected with the lower end of cylinder body 7, and the top edge at U-shaped bottom is located at corresponding with the lower end of spacer 10
Place【Specific attachment, because being simple technique, it will not be described here】, the length of U-shaped two sides is more than cylinder body 7
Diameter, the part that U-shaped two sides extend away from cylinder body 7 are provided with fixed circle 12.1.
In use, the utility model is fixed on the utility model using position using fixed circle 12.1 on connector 12,
Then by drawing or pressing draw ring to be operated.Due to the presence of standalone elastic air bag, it on the one hand can mitigate and push rushing for piston
Power is hit, on the other hand can be reduced the pulling force required for piston pull-up, therefore the performance of damper can be improved, is expanded
The application of damper.
Specific embodiment described above is only the preferable embodiment of the utility model, and not limits this practicality with this
New specific implementation structure and practical range.In fact, according to shape described in the utility model, structure and purpose of design
Some equivalent changes can be made.Therefore, it is all according to made by shape described in the utility model, structure and purpose of design
Some equivalence changes ought to be all contained in the scope of protection of the utility model, namely these equivalence changes all should be by this reality
With new protection.
Claims (10)
1. a kind of damper with independent air bags, including draw ring, oil sealing（5）, guide pin bushing（6）, cylinder body（7）, piston rod（8）, it is living
Plug（9）, it is rear stifled（13）；Guide pin bushing（6）And oil sealing（5）Cylinder body is fixed on from bottom to top（7）Upper end；Piston rod（8）It is located at cylinder body
（7）It is interior, piston rod（8）Lower end and piston（9）It is connected, piston rod（8）Upper end sequentially pass through guide pin bushing from bottom to top（6）And oil
Envelope（5）It is connected afterwards with draw ring；After block up（13）It is installed in cylinder body（7）Lower end；It is characterized in that：Cylinder body（7）Lower end inner chamber from
Independent air bags are sequentially provided with down（14）, barrier film（11）And spacer（10）；Wherein independent air bags（14）Lower ending opening and insert
Put and blocked up after being fixed on（13）Upper end and cylinder body（7）Inner surface between and and cylinder body（7）Inner surface sealing be connected；Barrier film
（11）And cylinder body（7）Inner surface be slidably connected；Spacer（10）And cylinder body（7）It is connected and is located at piston（9）Lower section；Spacer
（10）Center be provided with the centre bore of an insertion lower surface thereon（10.1）；Piston（9）Be provided with turn on its lower surface and its with
Piston rod（8）Outer surface, cylinder body（7）Inner surface and guide pin bushing（6）The oil guiding hole in space that is surrounded of lower surface（9.1）；Cylinder
Body（7）Inner surface and respective members surface form space in be full of oil medium（15）.
2. a kind of damper with independent air bags according to claim 1, it is characterized in that：After block up（13）Lower end be located at
Cylinder body（7）Outer and and cylinder body（7）Lower surface fitting, it is rear stifled（13）The diameter of upper end is less than cylinder body（7）Endoporus diameter and
Provided with a rectangle annular groove（13.2）, it is rear stifled（13）Middle-end outer surface be formed with one after block up concave ring groove（13.1）, cylinder body（7）Press-in institute
Blocked up after stating in concave ring groove；Independent air bags（14）Lower end stretch rear stifled（13）Upper end and cylinder body（7）Space between inner surface
In, independent air bags（14）Lower surface press close to after block up（13）Middle-end with it is rear stifled（13）Upper end between shaft shoulder face, cylinder body（7）
Independent air bags（14）It is pressed into the rectangle annular groove, so as to realize independent air bags（14）Lower end and cylinder body（7）Inner surface
Between sealing be fixedly linked.
3. a kind of damper with independent air bags according to claim 1, it is characterized in that：Spacer（10）Lower end be provided with
One reentrant cylindrical cavity（10.2）.
4. a kind of damper with independent air bags according to claim 1, it is characterized in that：Spacer（10）External cylindrical surface
It is provided with spacer concave ring groove, cylinder body（7）The described spacer concave ring groove of inner surface press-in in.
5. a kind of damper with independent air bags according to claim 1, it is characterized in that：Guide pin bushing（6）Lower end be provided with
One guide pin bushing concave ring groove（6.1）, cylinder body（7）Inner surface be pressed into the guide pin bushing concave ring groove.
6. a kind of damper with independent air bags according to claim 1, it is characterized in that：Guide pin bushing（6）It is provided with one
Through hole（6.2）, through hole（6.2）Conducting is located at guide pin bushing（6）Space outside upper and lower two sides.
7. a kind of damper with independent air bags according to claim 1, it is characterized in that：Cylinder body（7）It is provided with oil
Envelope（5）Lower surface squeeze be attached to guide pin bushing（6）Upper surface oil sealing fix bulge loop（7.1）.
8. a kind of damper with independent air bags according to claim 1-7 any one, it is characterized in that：Piston rod
（8）Upper end be installed with dust cover（4）, the dust cover（4）It is located at the lower section of draw ring.
9. a kind of damper with independent air bags according to claim 1-7 any one, it is characterized in that：The draw ring
Including outer draw ring（1）, interior draw ring（3）And buffer stopper（2）；Outer draw ring（1）And piston rod（8）It is connected, buffer stopper（2）It is located at outer drawing
Ring（1）With interior draw ring（3）Between.
10. a kind of damper with independent air bags according to claim 1-7 any one, it is characterized in that：Cylinder body（7）
Lower end be installed with connector（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069822.0U CN207213029U (en) | 2017-08-24 | 2017-08-24 | A kind of damper with independent air bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069822.0U CN207213029U (en) | 2017-08-24 | 2017-08-24 | A kind of damper with independent air bags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213029U true CN207213029U (en) | 2018-04-10 |
Family
ID=61816627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069822.0U Active CN207213029U (en) | 2017-08-24 | 2017-08-24 | A kind of damper with independent air bags |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213029U (en) |
-
2017
- 2017-08-24 CN CN201721069822.0U patent/CN207213029U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Yili Industrial Co.,Ltd. Address before: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO YILI SHOCK ABSORBER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |