CN207673770U - A kind of air spring constructions with auxiliary chamber - Google Patents
A kind of air spring constructions with auxiliary chamber Download PDFInfo
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- CN207673770U CN207673770U CN201721737556.4U CN201721737556U CN207673770U CN 207673770 U CN207673770 U CN 207673770U CN 201721737556 U CN201721737556 U CN 201721737556U CN 207673770 U CN207673770 U CN 207673770U
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- piston
- air spring
- auxiliary chamber
- pneumatic bag
- rubber pneumatic
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Abstract
The utility model belongs to air spring product technical field, a kind of air spring constructions with auxiliary chamber are specifically disclosed, including the upper cover sequentially connected successively, flange upper press ring, rubber pneumatic bag body, lower pressure ring, piston, the upper end opening portion of the rubber pneumatic bag body is installed on the upper cover by flange upper press ring, the upper cover is equipped with an inclined protrusion, the lower end opening portion of the rubber pneumatic bag body is mounted on by lower pressure ring on piston, the top land is additionally provided with piston cap, cooperation is equipped with a buffer stopper in the piston cap, the buffer stopper is equipped with throttle orifice, the cavity that rubber pneumatic bag body and piston are formed is separated into the main air chamber in rubber pneumatic bag and the auxiliary chamber of piston cavity by the buffer stopper.The air spring can effectively improve the damping effect of the larger Medium Truck or cab of heavy truck of truck especially loading capacity, and be designed with fail-safe mechanisms, significantly improve its safety and comfort and meet market lightweight needs.
Description
Technical field
The utility model belongs to air spring product technical field, more particularly to a kind of air spring knot with auxiliary chamber
Structure.
Background technology
In the prior art, air spring is as the key element in airsuspension system, and dynamic characteristic is to suspension system
Comfort and safety play central role.The air spring of no auxiliary chamber is not because contain throttle orifice and additional gas
Room, and absorption energy can not be carried out by air damping, to play the role of decaying vibration, it is rigid that its own does not also have adjusting
The function of degree.Above-mentioned shortcoming can be made up by introducing throttle orifice and auxiliary chamber to air spring, and throttle orifice is for connecting master
Gas chamber and auxiliary chamber realize the exchange of gas, and to absorb energy, decaying vibration, and the volume of auxiliary chamber mainly influences
The range of adjustable rigidity.For air spring compared with no auxiliary chamber, introducing throttle orifice and auxiliary chamber has absolute predominance.
Therefore, it is particularly urgent to the damping effect for improving airsuspension system to research and develop a kind of air spring with auxiliary chamber
It cuts.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, disclose a kind of air spring knot with auxiliary chamber
Structure, the air spring can be realized that rigidity and damping are variable by throttle orifice, effectively improve the damping effect of airsuspension system
Fruit, itself subsidiary fail-safe mechanisms can significantly improve its safety and comfort.
In order to reach above-mentioned technical purpose, the utility model is realized by following technical scheme：
A kind of air spring constructions with auxiliary chamber described in the utility model, including sequentially connect successively upper cover,
The upper end opening portion of flange upper press ring, rubber pneumatic bag body, lower pressure ring, piston, the rubber pneumatic bag body is pacified by flange upper press ring
On upper lid, the lower end opening portion of the rubber pneumatic bag body is mounted on by lower pressure ring on piston, and the top land is also set
There is piston cap, coordinates in the piston cap and a buffer stopper is installed, the sky that the buffer stopper forms rubber pneumatic bag body and piston
Chamber is separated into the main air chamber in air bag and the auxiliary chamber of piston cavity, and fail safe machine is collectively formed with buffer stopper in the upper cover
System.
As the part that is contacted with rubber pneumatic bag body on the upper lid of being further improved of above-mentioned technology, to be equipped with first anti-skidding
Seal groove, the part contacted with rubber pneumatic bag body on the piston are equipped with the second anti-skidding seal groove, the first anti-skidding seal groove
It is identical anti-skidding seal groove with the second anti-skidding seal groove.
As the further improvement of above-mentioned technology, it is interference fitted between the buffer stopper and piston cap.
As the further improvement of above-mentioned technology, the projection portion of the upper cover uses 7 ° of inclination angle, meets vehicle
When reversing device moves, buffer stopper uniform stressed more effectively improves product safety position-limiting action.
It is described piston-shaped using designed arc-shaped appearance as the further improvement of above-mentioned technology, it is wanted meeting product carrying
Under the premise of asking, the comfort that product is brought is further increased.
As the further improvement of above-mentioned technology, the buffer stopper is equipped with throttle orifice and back up ventilation, meets compression
Gas passes in and out auxiliary chamber, and ensures that under pressure and state air inlet can be effectively realized.
As the further improvement of above-mentioned technology, the air spring constructions are to increase its internal capacity, add one
The volume ratio of auxiliary chamber, the main air chamber and auxiliary chamber is 1：0.2.
As the further improvement of above-mentioned technology, the rubber pneumatic bag body is straight barrel type, and outer surface is grid lines.
As the further improvement of above-mentioned technology, the buffer stopper is made of rubber, and the upper cover and buffer stopper are common
Form fail-safe mechanisms, the safety after effective protection product failure.
Compared with prior art, the utility model has the beneficial effects that：
(1) air spring constructions described in the utility model, are provided with throttle orifice and auxiliary chamber, the throttle orifice and
The setting of auxiliary chamber has the stiffness characteristics of air spring important influence, when change dramatically occurs for road conditions, main air chamber
In compressed air change therewith, compressed air can enter auxiliary chamber by throttle orifice, play cushioning effect, and gas meeting
It rubs with throttle orifice inner wall, then generates damping, to absorb a part of vibrational energy, play the role of decaying impact,
Auxiliary chamber is exactly based on the rigidity that air spring is adjusted in this principle so that the intrinsic frequency amplitude of variation of air spring is more
Add small, compensates for the deficiency of no auxiliary chamber air spring, by the air spring use of this structure in airsuspension system, energy
More effectively improve the damping effect of suspension system；
(2) air spring constructions described in the utility model, are arranged buffer stopper between upper cover and piston, and buffer stopper passes through
Interference fit is fixed in piston cap, and piston cap is coordinated using Screw assembly mode and piston, when air spring fails, buffering
Block plays a role, and to play the role of protecting product, effectively improves security performance；
(3) in the utility model, the mode of throttle orifice and back up ventilation is added on the buffer stopper made of rubber, is improved
The efficiency for absorbing energy, plays more efficiently cushioning effect；
(3) in the utility model, the buffer stopper upper end avoids out equipped with back up ventilation when air spring fails
The phenomenon that existing upper cover projection portion blocks auxiliary chamber, ensures that air spring plays a role always；
(4) in the utility model, other than projection portion is using 7 ° of inclinations angle, rest part adds the upper cover for hollow out
Strong design effectively reduces the weight of product, meets lightweight requirements under the premise of not influencing performance；
(5) projection portion of upper cover described in the utility model uses 7 ° of inclination angle, when air spring overloads, upper cover
With buffer stopper upper surface parallel contact will occur for projection portion, meet the requirement of actual condition, avoid bringing due to part
Destructiveness；
(6) air spring constructions described in the utility model, upper cover, piston cap, piston are aluminum products, are effectively subtracted
Light pts wt meets Lightweight Technology requirement；
(7) in the utility model, the outer surface of the piston is designed using orthodrome, realizes that the ideal of design requirement is non-thread
Property stiffness characteristics, improve comfort；
(8) in the utility model, the piston uses internal hollow out mode, is collectively formed with piston cap, buffer stopper attached
Aerating room substantially reduces piston weight, and light weight effect is apparent, realizes rigidity and damping regulatory function；
(9) air spring constructions described in the utility model, upper cover and piston are all made of identical anti-skidding seal groove and set
Meter ensures the consistency at upper-lower seal position；
(10) in the utility model, the rubber pneumatic bag uses straight tube shape, is conducive to the production efficiency for improving air bag
With the stability of technique.Its outer surface ensures that contact of the air bag with outer surface of piston is uniform using raised grid line
Property one
It causes, improves the service life of air bag.
Description of the drawings
The utility model is described in detail in the following with reference to the drawings and specific embodiments：
Fig. 1 is the air spring constructions schematic diagram described in the utility model with auxiliary chamber；
Fig. 2 is the superstructure vertical view in the utility model；
Fig. 3 is sectional view along A-A in above-mentioned Fig. 2；
Fig. 4 is enlarged diagram at C in above-mentioned Fig. 3；
Fig. 5 is B-B direction sectional view in above-mentioned Fig. 2；
Fig. 6 is D direction views in above-mentioned Fig. 3；
Fig. 7 is the piston structure schematic diagram in the utility model；
Fig. 8 is enlarged diagram at E in above-mentioned Fig. 7；
Fig. 9 is the rubber pneumatic bag body structural schematic diagram in the utility model；
Figure 10 is the piston cap structural schematic diagram in the utility model；
Figure 11 is the buffer stopper cross-sectional view in the utility model；
Figure 12 is the buffer stopper vertical view in the utility model.
Specific implementation mode
As shown in Figure 1, a kind of air spring constructions with auxiliary chamber described in the utility model, including sequentially connect successively
The upper cover 2 that connects, flange upper press ring 3, rubber pneumatic bag body 4, lower pressure ring 7, piston 8, the upper end of the rubber pneumatic bag body 4
Opening portion is mounted on by flange upper press ring 3 in upper cover 2, and the top of the upper cover 2 is additionally provided with gas nozzle 1.The rubber
Glue gas
The lower end opening portion of utricule 4 is mounted on by lower pressure ring 7 on piston 8, and 8 top of the piston is additionally provided with piston cap 6
(such as
Shown in Figure 10), in the piston cap 6 cooperation one buffer stopper 5 is installed, the buffer stopper 5 by rubber pneumatic bag body 4 with
The cavity that piston 8 is formed is separated into the auxiliary chamber II of 5 inner cavity main air chamber I and piston in air bag, the main gas
The volume ratio of room I and auxiliary chamber II is 1：0.2, to ensure to realize preferable cushion performance.
As shown in Figures 1 to 6, the upper cover 2 is equipped with a projection portion 21, which uses 7 ° of inclination angle,
When meeting the movement of vehicle reversing device, 5 uniform stressed of buffer stopper more effectively improves product safety position-limiting action, and the inclination is convex
It plays 21 and fail-safe mechanisms is collectively formed with buffer stopper 5, effectively improve practical performance and security performance.
In addition, in the present invention, as shown in figure 9, the outer surface of the rubber pneumatic bag body 4 is grid lines 41, really
It protects rubber pneumatic bag body 4 and higher effective coating performance is realized in the outer surface of piston 8, the service life of rubber pneumatic bag body is provided.
As shown in Fig. 2 to Fig. 8, the part contacted with rubber pneumatic bag body 4 in the upper cover 2 is equipped with the first anti-skidding seal groove
21, the part contacted with rubber pneumatic bag body 4 on the piston 8 is equipped with the second anti-skidding seal groove 81, the first anti-skidding seal groove
21 and second anti-skidding seal groove 81 be seal groove using identical structure and size, to ensure that 4 upper and lower ends of rubber pneumatic bag body are close
The crash consistency of envelope property.
In the present invention, as shown in Fig. 1, Figure 11 and Figure 12, the buffer stopper 5 is equipped with throttle orifice 51 and cushion gas
Road 52 meets compressed gas disengaging auxiliary chamber II, and ensures that under pressure and state air inlet, the buffer stopper can be effectively realized
5 are made of rubber, and are interference fit between the buffer stopper 5 and piston cap 6, ensure gas only from the throttling on buffer stopper 5
Hole 51 passes in and out, and effectively absorbs energy, realizes the function of decaying vibration.
Air spring described in the utility model has preferable damping effect, can be widely used in compared with load capacity
Medium Truck and cab of heavy truck damping needs, effectively improve the traffic safety and riding comfort of driver.
The utility model is not limited to the above embodiment, and every various changes or modifications to the utility model do not take off
Spirit and scope from the utility model, if these modification and variations belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also implied that comprising these modification and variations.
Claims (9)
1. a kind of air spring constructions with auxiliary chamber, it is characterised in that：Including sequentially connect successively upper cover, press on flange
The upper end opening portion of ring, rubber pneumatic bag body, lower pressure ring, piston, the rubber pneumatic bag body is mounted on upper cover by flange upper press ring
On, the upper cover is equipped with an inclined protrusion, and the lower end opening portion of the rubber pneumatic bag body is mounted on by lower pressure ring on piston,
The top land is additionally provided with piston cap, coordinates in the piston cap and is equipped with a buffer stopper, the buffer stopper is equipped with throttling
The cavity that rubber pneumatic bag body and piston are formed is separated into main air chamber in rubber pneumatic bag and piston cavity by hole, the buffer stopper
Auxiliary chamber.
2. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：On the upper lid and rubber
The part of pneumatophore contact is equipped with the first anti-skidding seal groove, and it is anti-that the part contacted with rubber pneumatic bag body on the piston is equipped with second
Sliding seal groove, the first anti-skidding seal groove and the second anti-skidding seal groove are the identical anti-skidding seal groove of structure.
3. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The buffer stopper and piston
It is interference fitted between lid.
4. the air spring constructions according to claim 1 or 3 with auxiliary chamber, it is characterised in that：The buffer stopper contains
Throttle orifice and back up ventilation.
5. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The main air chamber with it is additional
The volume ratio of gas chamber is 1：0.2.
6. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The rubber pneumatic bag body is
Straight barrel type, outer surface are grid lines.
7. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The buffer stopper is by rubber
It is made.
8. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The lug boss of the upper cover
Divide the inclination angle using 7 °, rest part is hollow design.
9. the air spring constructions according to claim 1 with auxiliary chamber, it is characterised in that：The piston-shaped use
Big radian design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737556.4U CN207673770U (en) | 2017-12-11 | 2017-12-11 | A kind of air spring constructions with auxiliary chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737556.4U CN207673770U (en) | 2017-12-11 | 2017-12-11 | A kind of air spring constructions with auxiliary chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673770U true CN207673770U (en) | 2018-07-31 |
Family
ID=62967664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737556.4U Active CN207673770U (en) | 2017-12-11 | 2017-12-11 | A kind of air spring constructions with auxiliary chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882909A (en) * | 2017-12-11 | 2018-04-06 | 广东溢康通空气弹簧有限公司 | A kind of air spring constructions with auxiliary chamber |
-
2017
- 2017-12-11 CN CN201721737556.4U patent/CN207673770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882909A (en) * | 2017-12-11 | 2018-04-06 | 广东溢康通空气弹簧有限公司 | A kind of air spring constructions with auxiliary chamber |
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