CN207945236U - A kind of air spring with buffer unit - Google Patents
A kind of air spring with buffer unit Download PDFInfo
- Publication number
- CN207945236U CN207945236U CN201820248867.2U CN201820248867U CN207945236U CN 207945236 U CN207945236 U CN 207945236U CN 201820248867 U CN201820248867 U CN 201820248867U CN 207945236 U CN207945236 U CN 207945236U
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- CN
- China
- Prior art keywords
- buffer unit
- air spring
- pressure pocket
- cushion cylinder
- lower cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model embodiment discloses a kind of air spring with buffer unit, it includes upper cover plate, lower cover, it connects the rubber bag tank of upper cover plate and lower cover and the buffer unit in rubber bag tank intracavitary is set, wherein, the buffer unit includes the top board for being set to upper cover plate bottom surface and the bearing mechanism being set on lower cover, the bearing mechanism includes the pressure pocket for filling hydraulic oil being arranged in lower cover plate top surface, the cushion cylinder that lid closes the movable bearing plate of pressure pocket upper opening and cylinder body is connected to pressure pocket, the cushion cylinder is arranged around pressure pocket, the piston rod of cushion cylinder is vertically arranged.The buffer unit of the air spring is arranged by the connection of the cooperation of top board and bearing plate, pressure pocket and cushion cylinder, the mechanical energy that bearing plate after compression moves downward is translated into the mechanical energy of cushion cylinder moved upwards, cushioning effect is played to air spring, the collision between upper and lower cover plates is avoided, the service life of air spring is effectively extended.
Description
Technical field
The utility model is related to air spring art more particularly to a kind of air springs with buffer unit.
Background technology
Air spring is to be filled with compressed gas in the container sealed at one, its spring is realized using the compressibility of gas
Effect, is widely used in the self-regulated of commercial automotive, bus, rail vehicle, machinery equipment and building pedestal as damping device
Section formula air suspension.In use, bumpy sections are encountered, when the pressure that air spring receives is excessive, air spring is in shape
Collision is easy to happen during change between upper and lower cover plates, leads to damage or the lost of life of air spring.
Therefore, the prior art need further to develop.
Utility model content
In view of the above technical problems, the utility model embodiment provides a kind of air spring with buffer unit, with solution
Certainly air spring is easy to happen the problem of colliding with, reducing the service life under excessive outer force effect.
The utility model provides following technical scheme：
A kind of air spring with buffer unit comprising upper cover plate, lower cover, the rubber for connecting upper cover plate and lower cover
Capsule and the buffer unit in rubber bag tank intracavitary is set, wherein the buffer unit includes the top board for being set to upper cover plate bottom surface
With the bearing mechanism being set on lower cover, the bearing mechanism includes the pressure-bearing for filling hydraulic oil being arranged in lower cover plate top surface
The cushion cylinder that chamber, lid close the movable bearing plate of pressure pocket upper opening and cylinder body is connected to pressure pocket, the cushion cylinder are set
It sets around pressure pocket, the piston rod of cushion cylinder is vertically arranged.
The air spring with buffer unit, wherein sealing ring is set between the bearing plate and pressure-bearing madial wall.
The air spring with buffer unit, wherein the cushion cylinder includes the cylinder body being connected to pressure pocket, erects
The piston rod being directly arranged, the piston being connect with piston-rod lower end and the cover board being connect with piston rod upper end, the cylinder body cross section
Less than pressure pocket cross section.
The air spring with buffer unit, wherein the cover board of the cushion cylinder is located at same with pressure-bearing plate top surface
The length of one horizontal plane, the piston rod is longer than the thickness of top board.
The air spring with buffer unit, wherein the cushion cylinder using the central shaft of pressure pocket as symmetry axis,
It is symmetrically evenly distributed on around pressure pocket, the quantity of the cushion cylinder is at least 2.
The air spring with buffer unit, wherein column, the pressure-bearing is arranged in the center of the pressure pocket
Buffer groove is arranged in board bottom face, and the shape of the cross section of the buffer groove is matched with the cross section of column, the side of buffer groove
Sealing ring is arranged in wall, and the depth of buffer groove is more than the height of column.
The air spring with buffer unit, wherein resetting spring is set in buffer groove, and the resetting spring connects
It is connected to bearing plate bottom surface.
The air spring with buffer unit, wherein junction chamber, the cushion cylinder is arranged in the lateral wall of pressure pocket
The top surface of junction chamber is set, wherein the junction chamber side wall is provided with the first through hole being connected to pressure pocket side wall, the connection
The second through-hole being connected to cushion cylinder cylinder body is arranged in the top of room, and the height of junction chamber is high higher than the liquid level of pressure pocket hydraulic oil
Degree.
The air spring with buffer unit, wherein one layer of buffering is arranged in the bottom surface of the upper cover plate and top board
Rubber cushion.
In the technical solution that the utility model embodiment provides, the air spring with buffer unit by top board and
The cooperation of bearing plate, the connection setting of pressure pocket and cushion cylinder, the mechanical energy that bearing plate after compression moves downward is translated into
The mechanical energy of the piston upwards of cushion cylinder plays cushioning effect to air spring；Also, pressure pocket central post and pressure-bearing
The buffer groove in board bottom face is correspondingly arranged, and further avoids the collision between upper and lower cover plates, effectively extends the use of air spring
Service life further increases the cushion performance of air spring.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air spring with buffer unit in the utility model embodiment；
Fig. 2 is the air spring with buffer unit in the utility model embodiment in the knot deformed upon by ambient pressure
Structure schematic diagram；
Fig. 3 is the cross-sectional view of the air spring with buffer unit in the utility model embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element,
Or may exist one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or may exist one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term " vertically ", " horizontal ", "left", "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
To indicate or implying relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more relevant Listed Items.In addition, sheet disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in utility model different embodiments.
A kind of air spring with buffer unit as shown in Figs. 1-3 comprising upper cover plate 1, lower cover 2, connection upper cover
The rubber bag tank 3 of plate and lower cover and the buffer unit in rubber bag tank intracavitary is set, wherein the buffer unit includes being set to
The top board 4 of 1 bottom surface of cover board and the bearing mechanism 5 being set on lower cover 2, the bearing mechanism 5 include being arranged in lower cover 2
The buffering that pressure pocket 52, the lid of top surface close the movable bearing plate 53 of 52 upper opening of pressure pocket and cylinder body is connected to pressure pocket 52
Oil cylinder 54 fills hydraulic oil 51 in the pressure pocket 52, and the cushion cylinder 54 is arranged around pressure pocket 52, cushion cylinder 54
Piston rod be vertically arranged.
In order to ensure the leakproofness of pressure pocket 52, avoid the leakage of hydraulic oil 51, the bearing plate 53 in pressure pocket 52
Sealing ring is set between side wall, so that 53 sealing cover of bearing plate is closed the pressure pocket 52, and when by from downward pressure,
It can be moved down along pressure pocket 52.
Wherein, the cushion cylinder 54 include the cylinder body 541 being connected to pressure pocket 52, the piston rod 542 being vertically arranged, with
The piston 543 of 542 lower end of piston rod connection and the cover board 544 being connect with 542 upper end of piston rod.
As shown in Fig. 2, when brute force attack of the above-mentioned air spring with buffer unit by vertical direction, top board 4
It is pressed down against bearing plate 53, bearing plate 53 is made to move downward, the hydraulic oil 51 in pressure pocket 52 flows to buffering under pressure
In the cylinder body of oil cylinder 52, and piston 543 is pushed to move upwards, the cover board 544 of cushion cylinder is made to apply upward push away to top board 4
Power moves downward top board 4 and plays cushioning effect, avoids the collision of upper cover plate 1, lower cover 2, slow down air spring by
The foreign impacts power arrived, extends its service life.
In above-mentioned cushion cylinder 54,541 cross section of the cylinder body is less than 52 cross section of pressure pocket.After being arranged in this way, pressure-bearing
Plate 53 moves down short distance, can make to generate enough thrust in cushion cylinder, and the cover board 544 of cushion cylinder 54 is promoted to support upwards
The upper cover plate 1 moved down.
In the present embodiment, cover board 544 and 53 top surface of bearing plate of the cushion cylinder 54 are located at same level, the work
The length of stopper rod 542 is longer than the thickness of top board 4.Under above-mentioned setting guarantee working condition, piston after piston rod 542 stretches out upwards
The cover board 544 of 542 upper end of bar, which can contradict, arrives 1 bottom surface of upper cover plate.
As shown in figure 3, in order to make the equilibrium of top board 4 by the cushion effect from cushion cylinder 54, air spring is improved
Stability, the cushion cylinder 54 are symmetrically evenly distributed on using the central shaft of pressure pocket 52 as symmetry axis around pressure pocket 52,
The quantity of the cushion cylinder 54 is at least 2.In the present embodiment, the quantity of the cushion cylinder 54 is 4.
Further, column 55 is arranged in the center of the pressure pocket 52, and 53 bottom surface of bearing plate setting buffering is recessed
The shape of slot 531, the cross section of the buffer groove 531 is matched with the cross section of column 55, the side wall setting of buffer groove 531
Sealing ring, the depth of buffer groove 531 are more than the height of column 55.Above-mentioned setting is between bearing plate 53 and lower cover 2 into one
Step is buffered, and is avoided directly to contradict during bearing plate 53 pushes and is arrived lower cover 2, it is therefore prevented that bearing plate 53 is to lower cover
2 gouging abrasion further improves the cushion performance of the air spring.
Original state is quickly recovered to from pressed status, for the ease of pressure-bearing rear buffering device in the buffer groove 531
Resetting spring 532 is set, and the bearing plate 53 after pushing is moved upwards and returned in the case where the deformation of resetting spring 532 restores force effect
Initial position, meanwhile, the hydraulic oil 51 in cushion cylinder 54 flows back in pressure pocket 52.
Junction chamber 56 is arranged in the lateral wall of pressure pocket 52, and the cushion cylinder 54 is arranged in the top surface of junction chamber 56, wherein
56 side wall of the junction chamber is provided with the first through hole being connected to pressure pocket 52, top setting and the buffering oil of the junction chamber 56
Second through-hole of 54 cylinder body of cylinder connection, the height of junction chamber 56 are higher than the liquid level of pressure pocket hydraulic oil 51.In bearing plate 53
When being not affected by the pressure of top board 4, hydraulic oil 51 does not enter cushion cylinder 54, and it is in stationary state to make cushion cylinder 54, is conducive to
The normal work of buffer unit.
To further decrease the abrasion of contact surface between upper cover plate 1 and bearing plate 53, the bottom of the upper cover plate 1 and top board 4
One layer of cushion rubber bumper is arranged in face.
The air spring provided in the utility model passes through the cooperation of top board 4 and bearing plate 53, pressure pocket 52 and buffering
The connection of oil cylinder 54 is arranged, and the piston that the mechanical energy that bearing plate after compression 53 moves downward is translated into cushion cylinder 54 is transported upwards
Dynamic mechanical energy plays cushioning effect to air spring；And the buffering of 52 central post 55 of pressure pocket and 53 bottom surface of bearing plate is recessed
Slot 531 is correspondingly arranged, and further avoids the collision between upper and lower cover plates, effectively extends the service life of air spring.
The apparatus embodiments described above are merely exemplary, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (9)
1. a kind of air spring with buffer unit, which is characterized in that including upper cover plate, lower cover, connection upper cover plate and lower cover
The rubber bag tank of plate and the buffer unit in rubber bag tank intracavitary is set, wherein the buffer unit includes being set to upper cover plate bottom surface
Top board and the bearing mechanism that is set on lower cover, the bearing mechanism includes being arranged to fill hydraulic pressure in lower cover plate top surface
The cushion cylinder that pressure pocket, the lid of oil close the movable bearing plate of pressure pocket upper opening and cylinder body is connected to pressure pocket, it is described
Cushion cylinder is arranged around pressure pocket, and the piston rod of cushion cylinder is vertically arranged.
2. the air spring according to claim 1 with buffer unit, which is characterized in that in the bearing plate and pressure pocket
Sealing ring is set between side wall.
3. the air spring according to claim 2 with buffer unit, which is characterized in that the cushion cylinder includes and holds
Press cylinder body, the piston rod being vertically arranged, the piston being connect with piston-rod lower end and the lid being connect with piston rod upper end of chamber connection
Plate, the cylinder body cross section are less than pressure pocket cross section.
4. the air spring according to claim 3 with buffer unit, which is characterized in that the cover board of the cushion cylinder with
Pressure-bearing plate top surface is located at same level, and the length of the piston rod is longer than the thickness of top board.
5. the air spring according to claim 4 with buffer unit, which is characterized in that the cushion cylinder is with pressure pocket
Central shaft be symmetry axis, be symmetrically evenly distributed on around pressure pocket, the quantity of the cushion cylinder is at least 2.
6. the air spring according to claim 5 with buffer unit, which is characterized in that the center of the pressure pocket
Column is set, and buffer groove, the shape of the cross section of the buffer groove and the cross section of column is arranged in the bearing plate bottom surface
Sealing ring is arranged in the side wall of matching, buffer groove, and the depth of buffer groove is more than the height of column.
7. the air spring according to claim 6 with buffer unit, which is characterized in that setting resets bullet in buffer groove
Spring, the resetting spring are connected to bearing plate bottom surface.
8. the air spring with buffer unit according to any one of claim 1-7, which is characterized in that outside pressure pocket
Junction chamber is arranged in side wall, and the cushion cylinder is set to the top surface of junction chamber, wherein the junction chamber side wall is provided with and pressure-bearing
The second through-hole being connected to cushion cylinder cylinder body, junction chamber is arranged in the first through hole of chamber side wall connection, the top of the junction chamber
Height be higher than pressure pocket hydraulic oil liquid level.
9. the air spring according to claim 8 with buffer unit, which is characterized in that the upper cover plate and top board
One layer of cushion rubber bumper is arranged in bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820248867.2U CN207945236U (en) | 2018-02-11 | 2018-02-11 | A kind of air spring with buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820248867.2U CN207945236U (en) | 2018-02-11 | 2018-02-11 | A kind of air spring with buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945236U true CN207945236U (en) | 2018-10-09 |
Family
ID=63699789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820248867.2U Expired - Fee Related CN207945236U (en) | 2018-02-11 | 2018-02-11 | A kind of air spring with buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207945236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360264A (en) * | 2019-08-13 | 2019-10-22 | 博汉（泉州）机械有限公司 | Hydraulic motorcycle shock absorber and shock absorption method thereof |
-
2018
- 2018-02-11 CN CN201820248867.2U patent/CN207945236U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360264A (en) * | 2019-08-13 | 2019-10-22 | 博汉（泉州）机械有限公司 | Hydraulic motorcycle shock absorber and shock absorption method thereof |
| CN110360264B (en) * | 2019-08-13 | 2024-04-05 | 泉州市博汉机械股份有限公司 | Hydraulic motorcycle shock absorber and shock absorption method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20210211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |