CN206458761U - A kind of high-effect oil buffer - Google Patents
A kind of high-effect oil buffer Download PDFInfo
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- CN206458761U CN206458761U CN201621035291.9U CN201621035291U CN206458761U CN 206458761 U CN206458761 U CN 206458761U CN 201621035291 U CN201621035291 U CN 201621035291U CN 206458761 U CN206458761 U CN 206458761U
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- piston
- outer shell
- oil buffer
- helicla flute
- guide pin
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Abstract
A kind of high-effect oil buffer, including outer shell, piston, piston rod, guide pin bushing and piston cylinder, the outer shell is enclosed construction, the guide pin bushing is fixed on the interior intracavitary of the outer shell, and the piston rod is fixedly mounted on piston after passing through dowel hole, the axially extending outer shell of the other end of piston rod, the piston cylinder is fixed on guide pin bushing, the piston is arranged in piston cylinder, and the outer ring of piston is movably contacted with the inner casing face of piston cylinder, and the piston is provided with gradual change helicla flute.Throttle orifice on inner casing is replaced using being processed on piston by the way of gradual change helicla flute according to the high-effect oil buffer of the utility model embodiment, because helicla flute is continuous, it is very steady that this structure makes fluid flow through the damping force that gradual change helicla flute on piston produces, so buffering effect is highly stable.
Description
Technical field
The utility model is related to a kind of high-effect oil buffer.
Background technology
The effect of oil buffer is that vibrations and noise can be reduced in automated machine operation, and object in movement is produced
The kinetic energy of life is converted to heat energy and is released in air, effectively stops object balance in action;Machinery is set to improve efficiency
Increase production capacity, make service life of a machine extension reduction maintenance cost, make mechanical action is stable to maintain product quality, make the operation of machine more
Safety avoids accident, work circumstances safe is improved personnel's efficiency, increases the competitive advantage of enterprise.
The primary structure of current existing oil buffer is body, axle center, bearing, inner tube, piston, hydraulic axis, spring
Deng composition, when axle center by external impacts will drive piston press inner tube hydraulic oil, hydraulic oil be pressurized after will by inner tube oil extraction
Hole is discharged one by one, while the hydraulic oil discharged by inner tube is also back to inner tube by the spill port of inner tube;When external force disappears, spring
By piston rebound initial point wait next time action.Principle according to this, oil buffer can be effective object balance on the move
Stop.
However, existing oil buffer is all that the throttle orifice relied on buffer inner casing makes fluid produce damping at present
Power, converts kinetic energy into heat energy, this to there are many problems by way of the damping force that throttle orifice is produced.Subject matter exists
In not being continuous because there is distance between throttle orifice, so the resistance that fluid is produced by throttle orifice desultory can become
Change, it is unstable, so buffering effect is also intermittently unstable.
Utility model content
In view of situation above, in order to solve the problem of above-mentioned technology is present, the utility model proposes a kind of high-effect oil pressure
Buffer, including outer shell, piston, piston rod, guide pin bushing and piston cylinder etc., the outer shell is enclosed construction, and the guide pin bushing is fixed on
The interior intracavitary of the outer shell, the piston rod is fixedly mounted on piston after passing through dowel hole, and the other end of piston rod is vertically
Stretch out outer shell, the piston cylinder is fixed on guide pin bushing, the piston is arranged in piston cylinder, the outer ring of piston and piston cylinder it is interior
Cylinder face is movably contacted, and the piston is provided with gradual change helicla flute.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that also including barrier film, the barrier film
One end fix on the piston rod, the other end of barrier film is fixed on outer shell, and the inner chamber of outer shell is divided into air chamber by the barrier film
And hydraulic cavities.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that the barrier film and the piston
Between space constitute oil sac chamber, space between the piston and the inner surface of the piston cylinder constitutes hydraulic fluid chamber.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that described gradual change helicla flute and
Gap between piston and piston cylinder is connected with oil sac chamber and hydraulic fluid chamber respectively.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that described dowel hole respectively with
Oil sac chamber is connected with gradual change helicla flute.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that one end of the barrier film is by institute
State the surface of internal cavity that guide pin bushing is pressed abd fixed on outer shell.
In the high-effect oil buffer according to the utility model embodiment, it is preferable that one end of the piston rod leads to
The axially extending outer shell of the rod aperture set on the outer shell is crossed, the diameter of rod aperture is more than the diameter of piston rod.
Take the utility model proposes technology after, adopted according to the high-effect oil buffer of the utility model embodiment
The throttle orifice on inner casing, because helicla flute is continuous, this structure are replaced with the mode of helicla flute is processed on piston
Fluid is set to flow through the damping force that helicla flute on piston produces very steady, so buffering effect is highly stable.
Brief description of the drawings
Fig. 1 shows the high-effect oil buffer half-section diagram according to the utility model embodiment.
Embodiment
Of the present utility model each is preferred embodiment described below with reference to accompanying drawings.There is provided referring to attached
The description of figure, to help the understanding of the example embodiment of the present utility model to being limited by appended claims and their equivalents.
It includes helping the various details that understand, but they can only be counted as it is exemplary.Therefore, those skilled in the art will
Recognize, embodiment described herein can be made various changes and modifications, without departing from scope of the present utility model and essence
God.Moreover, in order that specification is more clear succinct, it will omit pair it is well known that function and the detailed description of construction.
As shown in figure 1, a kind of high-effect oil buffer, including outer shell 1, piston 2, piston rod 3, guide pin bushing 5 and piston cylinder
6, the outer shell 1 is enclosed construction, and the guide pin bushing 5 is fixed on the interior intracavitary of the outer shell 1, and the piston rod 3 passes through dowel hole
It is fixedly mounted after 51 on the piston 2, the axially extending outer shell 1 of the other end of piston rod 3, the piston cylinder 6 is fixed on guide pin bushing 5
On, the piston 2 is arranged in piston cylinder 6, and the outer ring of piston 2 is movably contacted with the inner casing face of piston cylinder 6, the piston
2 are provided with gradual change helicla flute 7.
It is used as the high-effect oil buffer according to the utility model embodiment, in addition to barrier film 4, the one of the barrier film 4
End is fixed on piston rod 3, and the other end of barrier film 4 is fixed on outer shell 1, and the inner chamber of outer shell 1 is divided into air chamber by the barrier film 4
11 and hydraulic cavities 12.
As the high-effect oil buffer according to the utility model embodiment, between the barrier film 4 and the piston 2
The space that constitutes between oil sac chamber 13, the inner surface of the piston 2 and the piston cylinder 6 of space constitute hydraulic fluid chamber 14.
As the high-effect oil buffer according to the utility model embodiment, described gradual change helicla flute 7 and piston with
Gap between piston cylinder is connected with oil sac chamber 13 and hydraulic fluid chamber 14 respectively.
As the high-effect oil buffer according to the utility model embodiment, described dowel hole 51 respectively with oil sac chamber
13 connect with gradual change helicla flute 7.
As the high-effect oil buffer according to the utility model embodiment, one end of the barrier film 4 is by the guide pin bushing 5
It is pressed abd fixed on the surface of internal cavity of outer shell 1.
As the high-effect oil buffer according to the utility model embodiment, one end of the piston rod 3 passes through described
The axially extending outer shell 1 of rod aperture 15 set on outer shell 1, the diameter of rod aperture 15 is more than the diameter of piston rod 3.
As the high-effect oil buffer according to the utility model embodiment, using the processing gradual change helicla flute on piston
Mode replace the throttle orifice on inner casing because gradual change helicla flute is continuous, this structure makes fluid flow through on piston
The damping force that gradual change helicla flute is produced is very steady, so buffering effect is highly stable.
The utility model is described in detail above, specific case used herein is to principle of the present utility model
And embodiment is set forth, the explanation of above example is only intended to help and understands method of the present utility model and its core
Thought;Simultaneously for those of ordinary skill in the art, according to thought of the present utility model, in embodiment and application
It will change in scope, in summary, this specification content should not be construed as to limitation of the present utility model.
Through the above description of the embodiments, those skilled in the art can be understood that the utility model can
Implement.Certainly, above listed situation is merely illustrative, and the utility model is not limited to that.Those skilled in the art should
Understand, according to other deformations or simplified of technical solutions of the utility model, the utility model can be suitably applied to, and
It should be included in the range of the utility model.
Claims (7)
1. a kind of high-effect oil buffer, it is characterised in that including outer shell (1), piston (2), piston rod (3), guide pin bushing (5) and
Piston cylinder (6), the outer shell (1) is enclosed construction, and the guide pin bushing (5) is fixed on the interior intracavitary of the outer shell (1), the piston
Bar (3) is fixedly mounted on piston (2) after passing through dowel hole (51), the axially extending outer shell of the other end (1) of piston rod (3),
The piston cylinder (6) is fixed on guide pin bushing (5), and the piston (2) is arranged in piston cylinder (6), the outer ring of piston (2) and piston
The inner casing face of cylinder (6) is movably contacted, and the piston (2) is provided with gradual change helicla flute (7).
2. a kind of high-effect oil buffer according to claim 1, it is characterised in that also including barrier film (4), it is described every
One end of film (4) is fixed on piston rod (3), and the other end of barrier film (4) is fixed on outer shell (1), and the barrier film (4) is by outer shell
(1) inner chamber is divided into air chamber (11) and hydraulic cavities (12).
3. a kind of high-effect oil buffer according to claim 2, it is characterised in that the barrier film (4) and the work
The space filled between (2) constitutes oil sac chamber (13), the space structure between the piston (2) and the inner surface of the piston cylinder (6)
Into hydraulic fluid chamber (14).
4. a kind of high-effect oil buffer according to claim 3, it is characterised in that described gradual change helicla flute (7)
And the gap between piston and piston cylinder is connected with oil sac chamber (13) and hydraulic fluid chamber (14) respectively.
5. a kind of high-effect oil buffer according to claim 3, it is characterised in that described dowel hole (51) is respectively
Connected with oil sac chamber (13) and gradual change helicla flute (7).
6. a kind of high-effect oil buffer according to Claims 2 or 3, it is characterised in that one end of the barrier film (4)
The surface of internal cavity of outer shell (1) is pressed abd fixed on by the guide pin bushing (5).
7. a kind of high-effect oil buffer according to claim 1, it is characterised in that one end of the piston rod (3)
By rod aperture (15) the axially extending outer shell (1) set on the outer shell (1), the diameter of rod aperture (15), which is more than, lives
The diameter of stopper rod (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621035291.9U CN206458761U (en) | 2016-08-31 | 2016-08-31 | A kind of high-effect oil buffer |
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CN201621035291.9U CN206458761U (en) | 2016-08-31 | 2016-08-31 | A kind of high-effect oil buffer |
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CN206458761U true CN206458761U (en) | 2017-09-01 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150697A (en) * | 2018-02-12 | 2018-06-12 | 无锡智能自控工程股份有限公司 | Pneumatic actuator hydraulic type Buffer Unit |
CN110345128A (en) * | 2019-08-09 | 2019-10-18 | 四川优机实业股份有限公司 | Rubbish van lifts hydraulic cylinder buffer structure |
CN110699924A (en) * | 2018-07-09 | 2020-01-17 | 青岛海尔洗衣机有限公司 | Damper and washing machine having the same |
-
2016
- 2016-08-31 CN CN201621035291.9U patent/CN206458761U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150697A (en) * | 2018-02-12 | 2018-06-12 | 无锡智能自控工程股份有限公司 | Pneumatic actuator hydraulic type Buffer Unit |
CN110699924A (en) * | 2018-07-09 | 2020-01-17 | 青岛海尔洗衣机有限公司 | Damper and washing machine having the same |
CN110345128A (en) * | 2019-08-09 | 2019-10-18 | 四川优机实业股份有限公司 | Rubbish van lifts hydraulic cylinder buffer structure |
CN110345128B (en) * | 2019-08-09 | 2024-05-24 | 四川优机实业股份有限公司 | Buffer structure of lifting hydraulic cylinder of garbage transfer truck |
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