CN108425981A - A kind of damper and buffer stopper - Google Patents
A kind of damper and buffer stopper Download PDFInfo
- Publication number
- CN108425981A CN108425981A CN201810284459.7A CN201810284459A CN108425981A CN 108425981 A CN108425981 A CN 108425981A CN 201810284459 A CN201810284459 A CN 201810284459A CN 108425981 A CN108425981 A CN 108425981A
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- CN
- China
- Prior art keywords
- groove
- central cavity
- buffer stopper
- face
- block body
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of damper and its buffer stoppers, and wherein buffer stopper includes buffering block body.Buffering block body offers the 4th groove being connected to central cavity for exporting compressed air in central cavity close to the first end face of the first groove, the outer wall of simultaneous buffering block body offers the exhaust groove of the 4th groove connection, and the 4th groove is connected to composition exhaust chamber with exhaust groove.Piston rod is moved back and forth along the axis of central cavity, air in central cavity is compressed, compressed air is drawn by the 4th groove in first end face, and central cavity is exported by exhaust groove, channel is provided for the discharge of compressed air, abnormal sound when compressed air is discharged in central cavity is effectively reduced, the noise in vehicle travel process is reduced.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of damper and buffer stopper.
Background technology
It is universal with automobile, user the comfort of vehicle is required it is higher and higher, damper as it is main every
Shake element, and effect is to pass to the shock and vibration of car body by bumpy road in the process of moving for buffering automobile, to improve
The comfort that vehicle uses.
During the work time, the air in cavity that piston rod can be to buffering block body compresses damper, and generates
Compressed air be discharged by the upper surface of buffer stopper.The upper surface of the buffer stopper of damper is planar design in the prior art,
Compressed air will produce exhaust abnormal sound when excluding, and increase the noise in vehicle travel process.
Therefore, how to solve the problems, such as that abnormal sound when compressed air discharge becomes to reduce the noise in vehicle travel process
Those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of buffer stopper, to solve the problems, such as abnormal sound when compressed air discharge, vehicle is reduced
Noise in driving process.The present invention also provides a kind of dampers.
To achieve the above object, the present invention provides the following technical solutions：
A kind of buffer stopper is suitable for damper, including buffering block body, offers on the buffering block body and subtract with described
The central cavity of the piston rod cooperation of device is shaken, one end outer wall of the buffering block body offers the buffering branch with the damper
The outer wall of first groove of seat cooperation, the buffering block body is disposed with along the axis of the buffering block body positioned at described
The second groove and third groove of first groove homonymy, the buffering block body are opened up close to the first end face of first groove
There is the 4th groove being connected to the central cavity for exporting compressed air in the central cavity；
It is opened in the exhaust groove that the outer wall of the buffering block body is connected to the 4th groove.
Preferably, in above-mentioned buffer stopper, the central cavity is provided in the second end face far from first groove
Along the reinforcing rib of the radial arrangement of the second end face, the number of the reinforcing rib is multiple.
Preferably, in above-mentioned buffer stopper, the central cavity includes the first central cavity close to the first end face
It is less than or equal to the piston rod with the diameter of the second central cavity far from the first end face, first central cavity
Diameter, the diameter of second central cavity is more than the diameter of the piston rod, and the length of first central cavity is institute
State 4/5~1 of distance between first end face and second groove, second central cavity is from first central cavity
End extends to the second end face.
Preferably, in above-mentioned buffer stopper, annular recess, the annular recess edge are provided in second central cavity
The radial direction of the buffering block body opens up, and the annular recess is between the third groove and the second end face.
Preferably, in above-mentioned buffer stopper, the number of the reinforcing rib is 6.
Preferably, in above-mentioned buffer stopper, the cavity wall of the central cavity is provided with for eliminating the netted of friction abnormal sound
Texture.
Preferably, in above-mentioned buffer stopper, the 4th groove is opened up along the radial direction of the first end face, and the described 4th is recessed
The number of slot is two.
Preferably, it in above-mentioned buffer stopper, is respectively provided on first groove, second groove and the third groove
There is knuckle.
Preferably, in above-mentioned buffer stopper, the length of the exhaust groove extends to described second from the first end face
Groove.
A kind of damper, including buffer stopper, the buffer stopper are the buffer stopper described in any one above-mentioned scheme.
It can be seen from the above technical proposal that buffer stopper provided by the invention, including buffering block body.Buffering block body leans on
The first end face of nearly first groove offers the 4th groove being connected to central cavity for exporting compressed air in central cavity,
The outer wall of simultaneous buffering block body offers the exhaust groove of the 4th groove connection, and it is in a row that the 4th groove with exhaust groove is connected to group
Gas chamber.Piston rod is moved back and forth along the axis of central cavity, is compressed to the air in central cavity, compressed air
It is drawn by the 4th groove in first end face, and central cavity is exported by exhaust groove, provided for the discharge of compressed air
Channel effectively reduces abnormal sound when compressed air is discharged in central cavity, reduces the noise in vehicle travel process.
This programme additionally provides a kind of damper, and damper includes buffer stopper, since buffer stopper has above-mentioned technique effect,
Damper with the buffer stopper is also with same technique effect, and details are not described herein.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the sectional view for the buffer stopper that the prior art provides；
Fig. 2 is the structural schematic diagram of buffer stopper provided in an embodiment of the present invention；
Fig. 3 is the sectional view of buffer stopper provided in an embodiment of the present invention.
1, the first groove, the 2, second groove, 3, third groove, the 4, the 4th groove, 5, exhaust groove, 6, reinforcing rib, 7, ring
Shape groove, the 8, first central cavity, the 9, second central cavity.
Specific implementation mode
The invention discloses a kind of buffer stoppers to reduce vehicle and run over to solve the problems, such as abnormal sound when compressed air discharge
Noise in journey.The invention also discloses a kind of dampers.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 and Fig. 3 are please referred to, Fig. 2 is the structural schematic diagram of buffer stopper provided in an embodiment of the present invention；Fig. 3 is the present invention
The sectional view for the buffer stopper that embodiment provides.
The invention discloses a kind of buffer stopper, which is suitable for damper, and buffer stopper includes buffering block body.
The central cavity coordinated with the piston rod of damper is offered on buffering block body, central cavity is along buffer stopper sheet
The axis direction of body opens up, and central cavity and buffering block body are coaxially arranged, and the piston rod of damper is installed on central cavity
It is interior and can along buffering block body axis direction move back and forth.
One end outer wall of buffering block body offers the first groove 1 coordinated with the cushioning support-saddle of damper, the first groove 1
It is interference fitted with the cushioning support-saddle of damper, realizes the secured assembly of buffering block body, avoid buffering block body due to by frequency
Numerous shock is fallen off.
Buffer block body outer wall along the axis of buffer stopper be disposed with the second groove 2 positioned at 1 homonymy of the first groove,
The outer wall for buffering block body is divided into four by third groove 3 and the 4th groove 4, the first groove 1, the second groove 2 and third groove 3
Part.It is cone buffering block body to buffer block body, and the diameter for buffering block body gradually subtracts from first end face to second end face
It is small.
Buffering block body is offered close to the first end face of the first groove 1 to be connected to central cavity for exporting central cavity
4th groove 4 of interior compressed air, the outer wall of simultaneous buffering block body offer the exhaust groove 5 of the 4th groove 4 connection, and the 4th
Groove 4 is connected to composition exhaust chamber with exhaust groove 5.
Piston rod is moved back and forth along the axis of central cavity, is compressed to the air in central cavity, compressed
Air is drawn by the 4th groove 4 in first end face, and exports central cavity by exhaust groove 5, is the row of compressed air
Go out to provide channel, effectively reduces abnormal sound when compressed air is discharged in central cavity, reduce making an uproar in vehicle travel process
Sound.
The first end face of buffering block body offers the 4th groove 4, reduces collision area when buffering block body rebound,
Contact adhesion abnormal sound is reduced to a certain extent, further reduced the noise in vehicle travel process.
Preferably, the cell wall of the first groove 1, the 4th groove 4 and exhaust groove 5 is both provided with knuckle.Knuckle
It can effectively concentrate dispersive stress, play a protective role to buffer stopper ontology.
Central cavity is provided with the reinforcing rib 6 of the radial arrangement along second end face in the second end face far from the first groove 1,
The number of reinforcing rib 6 is multiple.The design of reinforcing rib 6 reduces the contact area in second end face collision process, further subtracts
Small contact adhesion abnormal sound, reduces the noise in vehicle travel process.
The design of reinforcing rib 6 also reduces the rigidity of buffering block body, improves vehicle comfort.
Central cavity includes the second central cavity 9 of the first central cavity 8 and separate first end face close to first end face,
The diameter of first central cavity 8 is less than or equal to the diameter of piston rod, and the diameter of the second central cavity 9 is more than the straight of piston rod
Diameter, the length of the first central cavity 8 between first end face and the second groove 2 distance 4/5~1, the second central cavity 9 is from
The end of one central cavity 8 extends to second end face.
Second central cavity 9 and piston rod clearance fit, the deformation to buffer block body provide deformation space, Neng Gouyan
The damage of slow buffer stopper, extends the service life of buffer stopper.
First central cavity 8 provides guiding role for the up and down motion of piston rod.
In a specific embodiment of this programme, the length of the first central cavity 8 be first end face and the second groove 2 it
Between distance 4/5.
Annular recess 7 is provided in second central cavity 9, annular recess 7 is opened up along the radial direction of buffering block body, cyclic annular recessed
Slot 7 is between third groove 3 and second end face.The design of annular recess 7 can reduce buffer stopper initial stage in compression process
Rigidity, so that buffering block body is provided larger deflection, increase buffering capacity, to improve vehicle ride to a certain extent
Comfort level.
In a specific embodiment of this programme, the number of reinforcing rib 6 is 6.
The cavity wall of central cavity is provided with the reticular texture for eliminating friction abnormal sound.It is herein it should be noted that netted
It is interconnected between texture, channel is provided for gas discharge.In a specific embodiment of this programme, reticular texture can be
Tangerine line shape or snakeskin shape.
4th groove 4 is opened up along the radial direction of first end face, can shorten the length that opens up of the 4th groove 4, and it is recessed to reduce the 4th
The hand labor intensity that slot 4 opens up.Preferably, the number of the 4th groove 4 is two, and two the 4th grooves 4 are positioned opposite.Phase
It answers, the number of exhaust groove 5 is also two, and the position of exhaust groove 5 is corresponding with 4 position of the 4th groove.
In a specific embodiment of this programme, the 4th groove 4 and exhaust groove 5 are linear type groove.
It is both provided with knuckle on second groove 2, third groove 3 and the 4th groove 4.Knuckle can effectively disperse
Stress concentration plays a protective role to buffer stopper ontology.
In a specific embodiment of this programme, the length of exhaust groove 5 from first end face extend to the second groove 2 and
Not through the second groove 2, effective export of compressed gas can be realized, and can ensure that the use for buffering the outer wall of block body is strong
Degree.The length of exhaust groove 5 is designed as needed, is not specifically limited herein.
This programme additionally provides a kind of damper, including buffer stopper, and buffer stopper is described in any one above-mentioned scheme
Buffer stopper.Since buffer stopper has above-mentioned technique effect, the damper with the buffer stopper also with same technique effect,
This is repeated no more.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of buffer stopper is suitable for damper, including buffering block body, is offered and the damping on the buffering block body
One end outer wall of the central cavity of the piston rod cooperation of device, the buffering block body offers the cushioning support-saddle with the damper
The outer wall of the first groove (1) of cooperation, the buffering block body is disposed with along the axis of the buffering block body positioned at institute
State second groove (2) and third groove (3) of the first groove (1) homonymy, which is characterized in that the buffering block body is close to described
The first end face of first groove (1), which is offered, to be connected to the central cavity for exporting compressed air in the central cavity
4th groove (4)；
It is opened in the exhaust groove (5) that the outer wall of the buffering block body is connected to the 4th groove (4).
2. buffer stopper according to claim 1, which is characterized in that the central cavity is far from first groove (1)
The reinforcing rib (6) of the radial arrangement along the second end face is provided in second end face, the number of the reinforcing rib (6) is more
It is a.
3. buffer stopper according to claim 2, which is characterized in that the central cavity includes close to the first end face
The second central cavity (9) of first central cavity (8) and the separate first end face, the diameter of first central cavity (8)
Less than or equal to the diameter of the piston rod, the diameter of second central cavity (9) is more than the diameter of the piston rod, institute
State the length of the first central cavity (8) between the first end face and second groove (2) distance 4/5~1, described
Two central cavities (9) extend to the second end face from the end of first central cavity (8).
4. buffer stopper according to claim 3, which is characterized in that be provided on second central cavity (9) cyclic annular recessed
Slot (7), the annular recess (7) open up along the radial direction of the buffering block body, and it is recessed that the annular recess (7) is located at the third
Between slot (3) and the second end face.
5. buffer stopper according to claim 2, which is characterized in that the number of the reinforcing rib (6) is 6.
6. buffer stopper according to claim 1, which is characterized in that the cavity wall of the central cavity is provided with rubs for eliminating
Wipe the reticular texture of abnormal sound.
7. buffer stopper according to claim 1, which is characterized in that diameter of the 4th groove (4) along the first end face
To opening up, the number of the 4th groove (4) is two.
8. buffer stopper according to claim 1, which is characterized in that first groove (1), second groove (2) and
It is both provided with knuckle on the third groove (3).
9. buffer stopper according to claim 1, which is characterized in that the length of the exhaust groove (5) is from the first end
Face extends to second groove (2).
10. a kind of damper, including buffer stopper, which is characterized in that the buffer stopper is described in any one of claim 1-9
Buffer stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284459.7A CN108425981A (en) | 2018-04-02 | 2018-04-02 | A kind of damper and buffer stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284459.7A CN108425981A (en) | 2018-04-02 | 2018-04-02 | A kind of damper and buffer stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108425981A true CN108425981A (en) | 2018-08-21 |
Family
ID=63159893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810284459.7A Pending CN108425981A (en) | 2018-04-02 | 2018-04-02 | A kind of damper and buffer stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425981A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201802797U (en) * | 2010-09-16 | 2011-04-20 | 浙江吉利汽车研究院有限公司 | Novel suspension damper buffer block |
| CN206092794U (en) * | 2016-10-24 | 2017-04-12 | 长安马自达汽车有限公司 | Part of polyurethane buffer block impulsive noise structure is improved |
| CN206352630U (en) * | 2016-11-28 | 2017-07-25 | 天津天德减震器有限公司 | A kind of shock absorber buffer block structure |
| CN206487821U (en) * | 2016-12-29 | 2017-09-12 | 上汽通用五菱汽车股份有限公司 | A kind of damper buffer unit |
| CN207018410U (en) * | 2017-08-04 | 2018-02-16 | 重庆灵汇聚氨酯有限公司 | Buffer stopper, damping device and vehicle for chassis damping |
-
2018
- 2018-04-02 CN CN201810284459.7A patent/CN108425981A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201802797U (en) * | 2010-09-16 | 2011-04-20 | 浙江吉利汽车研究院有限公司 | Novel suspension damper buffer block |
| CN206092794U (en) * | 2016-10-24 | 2017-04-12 | 长安马自达汽车有限公司 | Part of polyurethane buffer block impulsive noise structure is improved |
| CN206352630U (en) * | 2016-11-28 | 2017-07-25 | 天津天德减震器有限公司 | A kind of shock absorber buffer block structure |
| CN206487821U (en) * | 2016-12-29 | 2017-09-12 | 上汽通用五菱汽车股份有限公司 | A kind of damper buffer unit |
| CN207018410U (en) * | 2017-08-04 | 2018-02-16 | 重庆灵汇聚氨酯有限公司 | Buffer stopper, damping device and vehicle for chassis damping |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |