CN201953888U - Piston vibration damping device for automobile air suspension - Google Patents
Piston vibration damping device for automobile air suspension Download PDFInfo
- Publication number
- CN201953888U CN201953888U CN2011200553919U CN201120055391U CN201953888U CN 201953888 U CN201953888 U CN 201953888U CN 2011200553919 U CN2011200553919 U CN 2011200553919U CN 201120055391 U CN201120055391 U CN 201120055391U CN 201953888 U CN201953888 U CN 201953888U
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- piston
- cylinder
- damper
- damping device
- air suspension
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Abstract
The utility model discloses a piston vibration damping device for an automobile air suspension, and belongs to the technical field of automobile vibration damping. The piston vibration damping device comprises a damper and a piston air cylinder assembly, wherein the damper comprises a damper cylinder body and a damper movable shaft lever in the damper cylinder body; the piston air cylinder assembly comprises a piston cylinder, a piston, an air pressure adjusting port and an air flow opening, and the piston is hermetically jointed with the inner wall of the piston cylinder; the damper movable shaft lever is vertically sealed with the piston in a penetrating manner, extends out of the upper cylinder cover of the piston cylinder and is fixedly sealed with the upper cylinder cover of the piston cylinder; the damper cylinder body is fixed on the lower end surface of the piston and penetrates the lower cylinder cover of the piston cylinder; the air pressure adjusting port is arranged on the upper side wall of the piston cylinder; and the air flow opening is formed on the lower cylinder cover of the piston cylinder. The vibration damping device has the advantages of small size, large pressure bearing capability, high elevation and depression degree, simple structure and wide application.
Description
Technical field
The utility model relates to a kind of vehicle damping device, particularly a kind of piston type vehicle air suspension damping device.
Background technique
Vehicle is not good in road conditions, can cause rocking of vehicle body usually when taking a sudden turn or bringing to a halt.Advantage such as traditional vehicle air suspension damping device has that rigidity low (its rigidity is non-linear and can regulate), air suspension are Height Adjustable, light weight, noise are low, it is applied to (such as senior motor bus, accurate load-carrying vehicle, go-anywhere vehicle etc.) on the various vehicles more and more widely.Especially, such as to shockproof measuring truck of having relatively high expectations, ambulance, extraordinary military car with require in some special vehicles of Height Adjustable container carrier etc., the air suspension damping device almost becomes the unique selection that realizes vehicle damping.
Traditional vehicle air suspension damping device mainly with rubber pneumatic bag and membrane type air bag spring as elastic element, utilize the compressibility of gas to bring into play elastic reaction.But there is following shortcoming in these air suspension damping devices.
At first, because the bleed pressure that traditional vehicle air suspension damping device provides is limited (generally＜0.85MPa), and the bearing capacity of air bag spring is limited, increase along with the vehicle load capacity, the size that realizes the needed air bag spring of identical damping effect correspondingly also increases thereupon, thereby cause the size of whole vehicle air suspension damping device to increase, this just causes it to be installed on the minicar such as car relatively difficulty, if realize that its installation then needs vehicle frame is carried out corresponding comprehensively design, thereby make that the application area of traditional vehicle air suspension damping device is narrower.
Secondly, the air bag spring is made of rubber material in traditional vehicle air suspension damping device, the rubber material aging or superpressure damage of corrosion easily in the vehicle driving process, thus make the vehicle loses shock-absorbing function, increased the danger of vehicle driving.
Moreover; the air bag spring can only bear normal load; guide mechanism can be set correspondingly usually to bear axial force, longitudinal force and moment in the use of vehicle air suspension device; the vehicle balance adjustment must be handled by the electronic induction balance sysmte of complexity, and this makes that traditional vehicle air suspension apparatus structure more complicated and cost are higher.
At last, the air bag spring is because the restriction of himself material-structure, and the heave amplitude regulation range of air suspension can not be too big, so traditional vehicle air suspension device is very restricted in the lift adjustment design of vehicle.
The model utility content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide that a kind of size is little, pressure-bearing is big, heave amplitude is big and simple in structure, widely used piston type vehicle air suspension damping device.
To achieve these goals, the utility model provides a kind of piston type vehicle air suspension damping device, it comprises damper, this damper comprises the damper cylinder body and is positioned at the movable axostylus axostyle of damper of the inside of this damper cylinder body, also comprise the piston-cylinder parts, wherein these piston-cylinder parts comprise piston cylinder, piston, air pressure adjustment mouth: the inner wall sealing of this piston and this piston cylinder is fitted; The movable axostylus axostyle of this damper vertically seals and runs through this piston, extend the upper cylinder cover that passes this piston cylinder and with the upper cylinder cover fixing seal of this piston cylinder; This damper cylinder body is fixed in the lower end surface of this piston, and passes the following cylinder cap of this piston cylinder; This air pressure adjustment mouth is arranged on the piston cylinder casing wall of this piston cylinder top, and wherein this casing wall comprises upper cylinder cover and side casing wall.
In according to an embodiment of the present utility model, these piston-cylinder parts also comprise gas flow opening, and wherein this gas flow opening is arranged on the following cylinder cap of this piston cylinder.
In according to another embodiment of the present utility model, the intersection of the upper-end surface of the movable axostylus axostyle of this damper and this piston is provided with first y-type seal ring, and is provided with first groove that is used to hold this first y-type seal ring at this internal piston along the upper-end surface of this piston; The first half of this piston and Lower Half also are with second y-type seal ring and the 3rd y-type seal ring respectively, and are respectively arranged with second groove that is used to hold this second y-type seal ring and the 3rd y-type seal ring on the first half of this piston and Lower Half; The intermediate portion of this piston is with support ring, and also is provided with the 3rd groove that is used to hold this support ring in the intermediate portion of this piston; The intersection of the movable axostylus axostyle of this damper and this piston cylinder upper cylinder cover is provided with sealing nut, seal washer and standing screw.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1, adopt the piston-cylinder parts that comprise piston cylinder, piston, air pressure adjustment mouth to substitute rubber pneumatic bag, make the size of this piston type vehicle air suspension damping device littler, pressure-bearing is bigger, heave amplitude is bigger, and structure is more simple, and application area is more extensive;
2, adopt gas flow opening, make that the lift adjustment scope of vehicle body is bigger;
3, in the sealing of the sealing of piston cylinder and piston and movable axostylus axostyle of damper and piston, all adopt y-type seal ring, make that the work of whole damping device is more stable;
4, put support ring in the intermediate portion of piston, can alleviate the friction between piston and the piston cylinder, reduce the wearing and tearing of piston and piston cylinder.
Description of drawings
Fig. 1 is the side view of this piston type vehicle air suspension damping device;
Fig. 2 is according to an embodiment of the present utility model, the perspective view of this piston type vehicle air suspension damping device;
Fig. 3 is according to another embodiment of the present utility model, the perspective view of this piston vehicle air suspension damping device;
Fig. 4 is the sectional view of this y-type seal ring.
Mark among the figure: 1 is piston, and 2 is piston cylinder, and 2a is piston cylinder top, 2b is the piston cylinder bottom, and 3 is upper cylinder cover, and 4 are following cylinder cap, 5 is the air pressure adjustment mouth, and 6 is the damper cylinder body, and 7 is the movable axostylus axostyle of damper, 8 is gas flow opening, and 9 is first y-type seal ring, and 10 is sealing nut, 11 is seal washer, and 12 is second y-type seal ring, and 13 is the 3rd y-type seal ring, 14 is standing screw, and 15 is support ring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Traditional air suspension damping device is to realize the damping of vehicle in rubber pneumatic bag (the perhaps membrane type air bag spring) mode that combines with damper as elastic element.The mode that piston type vehicle air suspension damping device in the utility model has then adopted the piston-cylinder parts to combine with damper, as shown in Figure 1.This piston type vehicle air suspension damping device comprises damper and piston-cylinder parts.This damper comprises damper cylinder body 6 and is positioned at the movable axostylus axostyle 7 of damper of these damper cylinder body 6 inside.These piston-cylinder parts comprise piston cylinder 2, piston 1, air pressure adjustment mouth 5: this piston 1 is fitted with the inner wall sealing of this piston cylinder 2, and this piston cylinder 2 is divided into piston cylinder top 2a and piston cylinder bottom 2b, provides the stroke adjustment space for this piston 1 jointly; The movable axostylus axostyle 7 of this damper vertically seal and runs through this piston 1, extend the upper cylinder cover 3 that passes this piston cylinder 2 and with the upper cylinder cover fixing seal of this piston cylinder 2, wherein this damper activity axostylus axostyle 7 runs through including but not limited to the central vertical from this piston 1; These damper cylinder body 6 vertical fixing are in the lower end surface of this piston 1 and pass the following cylinder cap 4 of this piston cylinder 2; This air pressure adjustment mouth 5 is arranged on the casing wall of the piston cylinder 2 above this piston, and wherein this air pressure adjustment mouth can be arranged on the upper cylinder cover 3 of piston cylinder 2, also can be arranged on the side casing wall of piston cylinder 2.
In according to an embodiment of the present utility model, also be provided with gas flow opening 8 on the lower end surface 4 of piston cylinder 2 in these piston-cylinder parts, as shown in Figure 2.This piston 1 is divided into two zones with piston cylinder 2: operating air pressure regulatory region and atmosphere are communicated with the district, wherein the Pneumatic pipe cleaner of this operating air pressure regulatory region is crossed the air pressure adjustment mouth 5 that is arranged on these piston cylinder 2 upper side walls and is regulated this regional air pressure, and this atmosphere is communicated with the district and then directly communicates with external atmosphere pressure.By this gas flow opening 8, the regulating effect of this piston type vehicle air suspension damping device is better.
In according to another embodiment of the present utility model, the movable axostylus axostyle 7 of this damper is provided with first y-type seal ring 9 with the intersection of this piston 1, and is provided with first groove that is used to hold this first y-type seal ring 9 in piston 1 inside along the upper-end surface of this piston 1; The first half and Lower Half at this piston 1 are with second y-type seal ring 12 and the 3rd y-type seal ring 13 respectively, and in order to put these seal rings, all are provided with on the first half of this piston 1 and the Lower Half in order to hold second groove of these seal rings; The intermediate portion of this piston 1 is with support ring 15, is used to alleviate the friction between piston 1 and the piston cylinder 2, reduces both wearing and tearing, and also is provided with the 3rd groove that is used to hold this support ring 15 in the intermediate portion of this piston 1, as shown in Figure 3.The cross sectional representation of this kind y-type seal ring as shown in Figure 4, its cross section both sides are the lip structure, when being under pressure, this y-type seal ring does the time spent, two lip structures will be opened and be close on the inwall of piston 1 or on the inwall of piston cylinder 2, thereby realize the movable axostylus axostyle 7 of damper and the sealing of piston 1 and the sealing of piston 1 and piston cylinder 2, make that the work of whole damping device is more stable.The movable axostylus axostyle 7 of this damper is provided with sealing nut 10, seal washer 11 and standing screw 14 with the intersection of the upper cylinder cover 3 of piston cylinder 2: the sealing nut 10 common fixing seal of realizing the upper cylinder cover 3 of this damper activity axostylus axostyle 7 and this piston cylinder 2 that matches with sealing packing ring 11, this standing screw 14.
In the damping process of vehicle, when this damping device shown in Figure 1 was subjected to downward power, piston 1 moved upward; When this damping device was subjected to upwards power, piston 1 moved downward, and piston 1 moves up and down and can be subjected to the buffering of the movable axostylus axostyle 7 of damper, and realized the damping of vehicle.Come operating air pressure in the regulating piston cylinder 2 by air pressure adjustment mouth 5, thus the decline of control piston 1 and lifting and realize vehicle lifting.
In sum, than the traditional damping device that adopts rubber pneumatic bag, this piston type vehicle air suspension damping device adopts housing structure can reduce the volume of damping device greatly, be convenient to the installation of various vehicles, make that the use of this vehicle damping device is promoted, and reduced its manufacture cost.This vehicle damping device can improve ride quality, the stationarity of vehicle effectively, and makes the multi-mode of vehicle body height regulate and can be significantly improved.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. piston type vehicle air suspension damping device, comprise damper, wherein said damper comprises damper cylinder body (6) and is positioned at the movable axostylus axostyle (7) of damper of the inside of described damper cylinder body (6), it is characterized in that: also comprise the piston-cylinder parts, wherein said piston-cylinder parts comprise piston cylinder (2), piston (1), air pressure adjustment mouth (5);
Described piston (1) is fitted with the inner wall sealing of described piston cylinder (2);
The movable axostylus axostyle of described damper (7) vertically seal and runs through described piston (1), extension pass described piston cylinder (2) upper cylinder cover (3) and with upper cylinder cover (3) fixing seal of described piston cylinder (2);
Described damper cylinder body (6) is fixed in the lower end surface of described piston (1), and passes the following cylinder cap (4) of described piston cylinder (2);
Described air pressure adjustment mouth (5) is arranged on piston cylinder (2) casing wall of described piston (1) top, and wherein said casing wall comprises upper cylinder cover (3) and side casing wall.
2. piston type vehicle air suspension damping device according to claim 1 is characterized in that: described piston-cylinder parts also comprise gas flow opening (8), and wherein said gas flow opening (8) is arranged on the following cylinder cap (4) of described piston cylinder (2).
3. piston type vehicle air suspension damping device according to claim 1 is characterized in that: the movable axostylus axostyle of described damper (7) is provided with first y-type seal ring (9) with the joint of described piston (1).
4. piston type vehicle air suspension damping device according to claim 3 is characterized in that: the described piston in upper-end surface (1) along described piston (1) is provided with first groove that is used to hold described first y-type seal ring (9).
5. piston type vehicle air suspension damping device according to claim 1 is characterized in that: the first half of described piston (1) and Lower Half also are with second y-type seal ring (12) and the 3rd y-type seal ring (13) respectively.
6. piston type vehicle air suspension damping device according to claim 5 is characterized in that: the first half of described piston (1) and Lower Half are provided with second groove that is used to hold described second y-type seal ring (12) and described the 3rd y-type seal ring (13) respectively.
7. piston type vehicle air suspension damping device according to claim 1 is characterized in that: the intermediate portion of described piston (1) is with support ring (15).
8. piston type vehicle air suspension damping device according to claim 7 is characterized in that: the intermediate portion of described piston (1) is provided with the 3rd groove that is used to hold described support ring (15).
9. piston type vehicle air suspension damping device according to claim 1 is characterized in that: the movable axostylus axostyle of described damper (7) is provided with sealing nut (10), seal washer (11) and standing screw (14) with the joint of the upper cylinder cover (3) of described piston cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200553919U CN201953888U (en) | 2011-03-04 | 2011-03-04 | Piston vibration damping device for automobile air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200553919U CN201953888U (en) | 2011-03-04 | 2011-03-04 | Piston vibration damping device for automobile air suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953888U true CN201953888U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200553919U Expired - Fee Related CN201953888U (en) | 2011-03-04 | 2011-03-04 | Piston vibration damping device for automobile air suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174947A (en) * | 2011-03-04 | 2011-09-07 | 罗小洪 | Piston-type vehicle air suspension damping device |
-
2011
- 2011-03-04 CN CN2011200553919U patent/CN201953888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174947A (en) * | 2011-03-04 | 2011-09-07 | 罗小洪 | Piston-type vehicle air suspension damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160407 Address after: 402160 Chongqing Phoenix Lake Industrial Park, Yongchuan Patentee after: CHONGQING KAIXIMAN TECHNOLOGY CO., LTD. Address before: 402160, Supreme Court, No. 19, Renmin Road, Yongchuan District, Chongqing, Bishan, 9-2-4 Patentee before: Luo Xiaohong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20180304 |