CN215293400U - Sleeve type air spring with adjustable piston - Google Patents

Sleeve type air spring with adjustable piston Download PDF

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Publication number
CN215293400U
CN215293400U CN202121683640.9U CN202121683640U CN215293400U CN 215293400 U CN215293400 U CN 215293400U CN 202121683640 U CN202121683640 U CN 202121683640U CN 215293400 U CN215293400 U CN 215293400U
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China
Prior art keywords
piston
air spring
type air
adjustable
sleeve type
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CN202121683640.9U
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Chinese (zh)
Inventor
伍绍勤
李国全
庞滔
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Guangdong Yikangtong Air Spring Co ltd
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Guangdong Yikangtong Air Spring Co ltd
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Abstract

The utility model discloses a piston adjustable sleeve formula air spring, including the upper cover, go up the clamping ring, sleeve formula leather bag, clamping ring and piston down, port and lower port have been seted up respectively at both ends about sleeve formula leather bag, the upper cover sets up in upper port department, and it is sealed fixed through last clamping ring, the piston sets up in lower port department, and sealed fixed through the clamping ring down, piston outside cover is equipped with piston shell, relate to sleeve formula air spring technical field, through setting up piston shell in the piston outside, simultaneously through buckle and No. two buckle fixed connection between piston shell and the piston, be convenient for change when keeping stable in structure, can adapt to different service environment through changing the piston shell of different shape sizes, application scope has been increased.

Description

Sleeve type air spring with adjustable piston
Technical Field
The utility model belongs to the technical field of sleeve formula air spring, specifically be a piston adjustable sleeve formula air spring.
Background
Today, there are three main types of air springs: bladder, membrane, and sleeve. The sleeve type air spring is mainly applied to elastic elements (namely, the air spring or other springs) in cab suspensions of cars, middle trucks and heavy trucks, and plays a core role in the comfort of drivers, and the existing sleeve type air spring is mainly formed by connecting an air bag, an upper cover and a base in a pressure buckling interference sealing mode through a hardware press ring;
the performance of the existing sleeve type air spring product is basically fixed under certain conditions once the design is finished, and if the performance of the product needs to be adjusted under the same conditions, the performance of the product needs to be changed by means of modifying the shape and the size of a piston of the product, changing the parameters of a bladder, changing the internal volume of the product and the like, so that the use is extremely inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a piston adjustable sleeve formula air spring to solve the problem that provides among the above-mentioned background art.
The utility model adopts the technical scheme as follows:
the utility model provides a piston adjustable sleeve formula air spring, includes upper cover, last clamping ring, sleeve formula leather bag, clamping ring and piston down, port and lower port have been seted up respectively at both ends about the sleeve formula leather bag, the upper cover set up in last port department to it is sealed fixed through last clamping ring, the piston set up in lower port department, and pass through the clamping ring is sealed fixed down, the cover is equipped with the piston shell outside the piston.
Preferably, the piston comprises a piston body and a piston port, the piston port is arranged at the center of the bottom of the piston body, and the outer diameter of the piston port is smaller than that of the piston body.
Preferably, the piston body bottom outside is provided with a plurality of buckles No. one, the piston shell with the piston passes through the buckle is fixed No. one, piston mouth bottom outside is provided with a plurality of buckles No. two for the installation piston.
Preferably, the outer diameter of the upper end of the piston body is larger than that of the lower end of the piston body.
Preferably, a plurality of third buckles are arranged on the outer side of the upper cover and used for installing the upper cover.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, through set up the piston shell in the piston outside, be connected through buckle and No. two buckle fixings between piston shell and the piston simultaneously, be convenient for change when keeping stable in structure, can adapt to different service environment through changing the piston shell of different shape sizes, increased application scope.
Drawings
FIG. 1 is a schematic view of the overall structure of the middle sleeve type air spring of the present invention;
FIG. 2 is a schematic view of the overall structure of the piston of the present invention;
fig. 3 is a bottom view of the piston of the present invention;
fig. 4 is a sectional view of the piston of the present invention;
FIG. 5 is a front view of the piston of the present invention;
FIG. 6 is a bottom view of the piston housing A in accordance with the preferred embodiment of the present invention;
FIG. 7 is a front view of the piston housing A in the preferred embodiment of the present invention;
fig. 8 is a bottom view of the piston housing B in the preferred embodiment of the present invention;
FIG. 9 is a cross-sectional view of a piston housing B in a preferred embodiment of the invention;
fig. 10 is a bottom view of the piston housing C in the preferred embodiment of the present invention;
fig. 11 is a cross-sectional view of a piston housing C in a preferred embodiment of the invention;
fig. 12 is a bottom view of the piston housing D according to the preferred embodiment of the present invention;
fig. 13 is a cross-sectional view of a piston housing D according to a preferred embodiment of the present invention;
fig. 14 is a schematic view of the whole structure of the sleeve type air spring 1 with adjustable piston according to the preferred embodiment of the present invention;
fig. 15 is a schematic view of the overall structure of the sleeve type air spring 2 with adjustable piston according to the preferred embodiment of the present invention;
fig. 16 is a schematic view of the whole structure of the sleeve type air spring 3 with adjustable piston according to the preferred embodiment of the present invention;
fig. 17 is a schematic view of the overall structure of the sleeve type air spring 4 with adjustable piston according to the preferred embodiment of the present invention;
in the figure: 1. an upper cover; 2. pressing a ring; 3. a sleeve-type bladder; 4. a lower pressure ring; 5. a piston; 6. a piston body; 7. a piston port; 8. a first buckle; 9. a second buckle; 10. a piston housing; 11. and a third buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1:
the embodiment provides a concrete structure of a sleeve type air spring with an adjustable piston, which comprises an upper cover 1, an upper pressing ring 2, a sleeve type leather bag 3, a lower pressing ring 4 and a piston 5, wherein an upper port and a lower port are respectively formed in the upper end and the lower end of the sleeve type leather bag 3, the upper cover 1 is arranged at the upper port and is sealed and fixed through the upper pressing ring 2, the piston 5 is arranged at the lower port and is sealed and fixed through the lower pressing ring 4, and a piston shell 10 is sleeved on the outer side of the piston 5.
The piston 5 comprises a piston body 6 and a piston port 7, the piston port 7 is arranged at the center of the bottom of the piston body 6, and the outer diameter of the piston port 7 is smaller than that of the piston body 6.
6 bottom outsides of piston body are provided with a plurality of buckles 8, and piston shell is fixed through buckle 8 No. one with piston 5, and 7 bottom outsides of piston mouth are provided with a plurality of buckles 9 No. two for install piston 5.
The outer diameter of the upper end of the piston body 6 is larger than that of the lower end thereof.
A plurality of third buckles 11 are arranged on the outer side of the upper cover 1 and used for installing the upper cover 1.
Piston adjustable sleeve formula air spring, upper cover 1 and piston 5 are connected with other parts of car through No. three buckle 11 and No. two buckle 9 respectively, can accomplish the quick assembly disassembly of piston adjustable sleeve formula air spring, can conveniently change piston adjustable sleeve formula air spring's piston shell 10.
Example 2:
the present embodiment provides a specific structure of a piston-adjustable sleeve type air spring, as shown in fig. 14, the piston-adjustable sleeve type air spring 1 uses a piston housing a, and the piston housing a only plays a role of protecting a bottom buckle of a piston body. The piston 5 is a tapered piston, the outer diameter of the piston is reduced from top to bottom, the effective area of the piston-adjustable sleeve type air spring 1 is reduced along with the reduction of the outer diameter of the piston when the piston-adjustable sleeve type air spring 1 is reduced under the condition that certain air pressure and air pressure are kept constant, and the reduction of the height reduction bearing capacity of the piston-adjustable sleeve type air spring 1 under constant pressure can be obtained according to a formula (the bearing capacity is the pressure intensity). When the air pressure of the piston-adjustable sleeve type air spring 1 is in a sealed state, the air in the piston-adjustable sleeve type air spring 1 is compressed when the height of the piston-adjustable sleeve type air spring 1 is reduced, the air pressure is increased, the effective area is reduced, the bearing capacity is slightly increased or reduced when the air pressure of the piston-adjustable sleeve type air spring 1 is in the sealed state according to the absolute value of the absolute value/(H1 height-H2 height) of the bearing capacity-effective area and rigidity ((H1 height force-H2 height force)), and the rigidity performance of the piston-adjustable sleeve type air spring is in a smaller state.
Example 3:
in this embodiment, a specific structure of the piston-adjustable sleeve-type air spring is provided, as shown in fig. 15, the piston-adjustable sleeve-type air spring 2 uses a piston housing B, and the outer shape of the piston housing B is straight, so the outer diameters of the housing at different heights are the same, the effective area of the piston-adjustable sleeve-type air spring 2 is unchanged when the height of the piston-adjustable sleeve-type air spring 2 is reduced in a state that the air pressure is kept constant, and the height reduction bearing capacity of the piston-adjustable sleeve-type air spring 2 under constant pressure can be obtained according to a formula (bearing capacity ═ pressure intensity ═ effective area). When the air pressure is in a sealed state, the height of the piston-adjustable sleeve type air spring 2 is reduced, the air in the sleeve type air spring 2 is compressed, the air pressure is increased, the effective area is unchanged, and according to the absolute value of the absolute value/(H1 height-H2 height) of the bearing force (pressure intensity) effective area and rigidity ((H1 height force-H2 height force)), the height reduction bearing force of the piston-adjustable sleeve type air spring 2 is increased when the air pressure is in a sealed state, and the rigidity performance and the air pressure change are in a proportional relation.
Example 4:
in this embodiment, a specific structure of the piston-adjustable sleeve type air spring is provided, as shown in fig. 16, the piston-adjustable sleeve type air spring 3 uses a piston housing C, the piston housing C is horn-shaped, the outer diameter of the piston is increased from top to bottom, the piston-adjustable sleeve type air spring 3 is in a state that the air pressure is constant, when the height of the piston-adjustable sleeve type air spring 3 is reduced, the effective area of the piston-adjustable sleeve type air spring 3 is increased along with the reduction of the height of the piston, and it can be obtained according to a formula (bearing force is pressure intensity effective area) that the bearing force of the piston-adjustable sleeve type air spring 3 can be increased when the height is reduced under constant pressure. When the air pressure is in a sealed state, the air pressure of the piston-adjustable sleeve type air spring 3 is in a certain air pressure state, the height of the piston-adjustable sleeve type air spring 3 is reduced, the air in the air spring is compressed, the air pressure is increased, the effective area is increased, the absolute value of the absolute value/(H1 height-H2 height) of the bearing force (pressure intensity, effective area, rigidity ((H1 height force-H2 height) is obtained according to a formula, the bearing force is increased when the height of the piston-adjustable sleeve type air spring 3 is reduced, the rigidity performance is strong, and the piston-adjustable sleeve type air spring is suitable for vehicles, off-road vehicles and the like with high requirements on operability.
Example 5:
in the present embodiment, a specific structure of the piston-adjustable sleeve type air spring is shown in fig. 17, the piston-adjustable sleeve type air spring 4 uses a piston housing D, the outer shape of the piston housing D is a trumpet shape, but the height of the piston housing D is lower than that of the piston housing C, and the outer diameter of the piston is in a relationship of increasing from top to bottom. When the piston-adjustable sleeve type air spring 4 is compressed, the air bag of the piston-adjustable sleeve type air spring 4 is not contacted with the piston shell D, and the performance of the air spring is the same as that of the piston-adjustable sleeve type air spring 1; after the air bag of the piston-adjustable sleeve type air spring 4 contacts the piston shell D, the performance of the piston-adjustable sleeve type air spring 4 is similar to that of the piston-adjustable sleeve type air spring 3. The automobile with the sleeve type air spring 4 with the adjustable piston is comfortable when being driven on a flat road, and has good damping effect when being driven on a bumpy road.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a piston adjustable sleeve formula air spring, includes upper cover (1), goes up clamping ring (2), sleeve formula leather bag (3), lower clamping ring (4) and piston (5), its characterized in that: last port and lower port have been seted up respectively at both ends about sleeve formula leather bag (3), upper cover (1) set up in last port department to it is sealed fixed through last clamping ring (2), piston (5) set up in lower port department, and pass through clamping ring (4) are sealed fixed down, piston (5) outside cover is equipped with piston shell (10).
2. The adjustable piston sleeve air spring of claim 1 wherein: the piston (5) comprises a piston body (6) and a piston port (7), the piston port (7) is arranged at the center of the bottom of the piston body (6), and the outer diameter of the piston port (7) is smaller than that of the piston body (6).
3. The adjustable piston sleeve air spring of claim 2 wherein: the piston is characterized in that a plurality of first buckles (8) are arranged on the outer side of the bottom end of the piston body (6), the piston shell is fixed with the piston (5) through the first buckles (8), and a plurality of second buckles (9) are arranged on the outer side of the bottom end of the piston opening (7) and used for installing the piston (5).
4. The adjustable piston sleeve air spring of claim 2 wherein: the outer diameter of the upper end of the piston body (6) is larger than that of the lower end of the piston body.
5. The adjustable piston sleeve air spring of claim 2 wherein: a plurality of third buckles (11) are arranged on the outer side of the upper cover (1) and used for installing the upper cover (1).
CN202121683640.9U 2021-07-23 2021-07-23 Sleeve type air spring with adjustable piston Active CN215293400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121683640.9U CN215293400U (en) 2021-07-23 2021-07-23 Sleeve type air spring with adjustable piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121683640.9U CN215293400U (en) 2021-07-23 2021-07-23 Sleeve type air spring with adjustable piston

Publications (1)

Publication Number Publication Date
CN215293400U true CN215293400U (en) 2021-12-24

Family

ID=79523931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121683640.9U Active CN215293400U (en) 2021-07-23 2021-07-23 Sleeve type air spring with adjustable piston

Country Status (1)

Country Link
CN (1) CN215293400U (en)

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