CN107448438A - Diffuser and diffuser assembly for pressure fluid - Google Patents
Diffuser and diffuser assembly for pressure fluid Download PDFInfo
- Publication number
- CN107448438A CN107448438A CN201610373033.XA CN201610373033A CN107448438A CN 107448438 A CN107448438 A CN 107448438A CN 201610373033 A CN201610373033 A CN 201610373033A CN 107448438 A CN107448438 A CN 107448438A
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- CN
- China
- Prior art keywords
- container
- diffuser
- cone
- opening
- side wall
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/047—Preventing foaming, churning or cavitation
Abstract
The present invention relates to a kind of diffuser for pressure fluid, including：For receiving the container of pressure fluid, the container has opening and the relative bottom wall of the opening and the side wall extended between the opening and the bottom wall；Form multiple passing aways in the side wall of the container；And the first cone in the container and being located on the bottom wall is set, the sophisticated opening towards the container of first cone.The invention further relates to the diffuser assembly for including multiple this diffusers.According to the present invention it is possible to prevent from producing bubble in the fluid discharged or reduce bubble, and avoid or reduce dirt diffusion.
Description
Technical field
The present invention relates to pressure fluid, is especially for the diffuser of pressure fluid and including multiple
The diffuser assembly of this diffuser.
Background technology
Pressure fluid is generally flowed out with larger speed from pipeline, and this can produce a large amount of bubbles and can stir
It is dynamic previously to have discharged fluid.For example, in hydraulic system, the liquid that is returned to from return line in fuel tank
Force feed can impose larger impact flow pressure because flow velocity is larger to the hydraulic oil in fuel tank, and this will
Cause to form turbulent flow in fuel tank and produce a large amount of bubbles.If the time that hydraulic oil recirculates is too
The short or less words of fuel tank size, bubble are just not easy to overflow from hydraulic oil, and this will cause bubble
And dirt spreading and being flowed into the pipeline of hydraulic system in fuel tank, so as to produce hydraulic oil
Bubble the sound of flowing and the cavitation erosion for causing hydraulic pump.In order to avoid going out in hydraulic system processing
These existing problems, the method for generally use are to increase the volume of fuel tank.However, due to by cost and
The limitation of installing space, the increase of fuel tank volume are also restricted.
In order to solve this problem, such as a kind of bull-dozer liquid is disclosed in CN203614515U
Pressure system fluid bubble eliminator.But this fluid bubble eliminator eliminates the effect of bubble not
It is preferable.
Therefore, it is necessary to be improved to the existing diffuser for pressure fluid.
The content of the invention
Present invention aim to overcome above-mentioned at least one defect of the prior art, propose a kind of
Diffuser for pressure fluid.This diffuser for pressure fluid can reduce pressure fluid
Flow velocity, and then avoid or reduce producing and reducing the impact to previously having discharged fluid for bubble.
Therefore, according to an aspect of the present invention, there is provided a kind of diffuser for pressure fluid, including：
For receiving the container of pressure fluid, the container has opening, the bottom relative with the opening
Wall and the side wall extended between the opening and the bottom wall；
Form multiple passing aways in the side wall of the container；And
The first cone in the container and on the bottom wall, the point of first cone are set
Hold the opening towards the container.
According to another aspect of the present invention, there is provided a kind of diffuser assembly for pressure fluid, including：
The current divider of tubular, the current divider have formed the opening on top, the bottom wall positioned at bottom,
And the side wall extended between the top and the bottom；And
Circumferentially uniformly be connected in the side wall of the current divider and with the interior effluent of the current divider
Multiple diffusers as described above of body connection.
According to the diffuser for pressure fluid of the present invention, when pressure fluid is flowed in the first cone
When, pressure fluid is uniformly dispersed in the circumferential direction of the first cone and by the discharge on container
Passage is divided into multiple shuntings.Because the area of passing away significantly increases, the flow velocity each shunted
It will be dramatically reduced, pressure fluid is mainly equably flowed out with laminar condition from diffuser.As a result, by
The pressure fluid of diffuser outflow is gently mixed with the fluid previously discharged, and this will be significantly reduced
To the impact for the fluid previously discharged, thus, bubble will not be produced or caused bubble will
Substantially reduce, the dirt in fluid, which is also not easy to spread apart, to be come.
Brief description of the drawings
Fig. 1 is to show the diffusion for being used in hydraulic system be back to the hydraulic oil of fuel tank according to the present invention
The schematic isometric of device；
Fig. 2 is the front view with diffuser shown in Fig. 1；
Fig. 3 is to show the diffusion for being used in hydraulic system be back to the hydraulic oil of fuel tank according to the present invention
The schematic isometric of device assembly；And
Fig. 4 is the front view with diffuser assembly shown in Fig. 3.
Embodiment
The preferred embodiments of the present invention are described in detail with reference to example.It will be understood by those skilled in the art that
, these exemplary embodiments be not meant to the present invention formed any restrictions.
Fig. 1 is to show the diffusion for being used in hydraulic system be back to the hydraulic oil of fuel tank according to the present invention
The schematic isometric of device, Fig. 2 are the front views with diffuser shown in Fig. 1.As illustrated in fig. 1 and 2,
Include being used to connect according to the diffuser 1 for being used in hydraulic system be back to the hydraulic oil of fuel tank of the present invention
The container 3 of the hydraulic oil from return line (not shown) is received, container 3 has opening 3a, with opening
Mouth 3a relative bottom wall 3b and the side wall 3c extended between opening 3a and bottom wall 3b.Side wall
Being provided with 3c, which makes hydraulic oil be discharged from container 3, is for example discharged to multiple discharges of fuel tank (not shown) and leads to
Road 5.Diffuser 1 also include positioned at the inner side of container 3 and be arranged on the bottom wall 3b of container 3 the
One cone 7 and the joint 9 being arranged at the opening 3a of container 3.The sophisticated direction of first cone 7
The opening 3a of container 3.Joint 9 is used to diffuser 1 being connected to such as return line.
In the preferred embodiment shown in Fig. 1 and 2, container 3 is shown as including forming container 3
Bottom wall 3b substrate 11 and it is stacked with one heart to form multiple annular slabs 13 of the side wall of container 3.
Annular slab 13 is preferably galvanized steel plain sheet or stainless steel plate.By through the hole 13a and base on annular slab
The bolt 15 of hole 11a on plate 11 and the nut 17 that is screwed on bolt 15 are by multiple annular slabs 13
Container 3 is joined together to form with substrate 11.Bolt 15 and corresponding nut 17 show respectively in figure
Be shown as three, it should be understood that bolt 15 and corresponding nut 17 can be two or more than three.
In order to form passing away 5 in the side wall of container 3, between adjacent annular plate 13 and in bolt
15 surroundings set the pad 19 passed through by bolt 15, are formed so as to be formed between adjacent annular plate 13
The circular gap 21 of passing away 5.The container 3 being thusly-formed can be as desired by increase and decrease annular
The number of plate 13 and the thickness of increase and decrease pad 19 are logical to change the number of passing away 5 and discharge
The size in road 5.It should be understood that substrate 11, annular slab 13 and pad 19 can also such as pass through
Welding connecting mode is fixedly attached to together.Certainly, container 3 can also be formed as overall container,
And the passing away of such as circumferentially elongate openings is formed uniformly on container side wall.
Although the joint 9 with internal thread 9a can be soldered to the top for the side wall to form container 3
On annular slab 13, but it is preferred that bolt 15 also through the through hole 9b on joint 9 so as to by joint 9
It is connected on container 3.When in use, the internal thread 9a of joint 9 nibbles with the external screw thread on return line
Close, so as to which diffuser 1 is connected on return line.It will be appreciated that can also on joint 9
External screw thread is formed, and formed with internal thread so that diffuser 1 is connected on return line on return line.
Certainly, in the case where container 3 is formed as overall container, directly can be formed in the opening of container
Internal thread or external screw thread, it can thus omit joint 9.
Although can be with along the cross section intercepted perpendicular to paper direction for the first cone 7 shown in Fig. 2
For polygon especially regular polygon, but the first cone 7 is preferably cone.First cone 7 can
It is that substrate 11 is integrally formed with the bottom wall 3b with container 3, but the first cone 7 is preferably removable
It is installed to the bottom wall 3b of container 3 with unloading i.e. on substrate 11.In a preferred embodiment, the first cone 7
Bottom surface protrude threaded outrigger shaft 7a.The outrigger shaft 7a of first cone 7 is worn from the inner side of container 3
Centre bore 11bs of the bottom wall 3b of container 3 i.e. on substrate 11 is crossed, so as to by being screwed on outrigger shaft 7a
Nut 23 by the first cone 7 be fixed to container 3 bottom wall 3b be on substrate 11.Certainly, also may be used
To be substrate 11 through bottom wall 3b to form tapped shrinkage pool on the bottom surface of the first cone 7
On centre bore 11b bolt be screwed into shrinkage pool, the first cone 7 is fixed to the bottom wall of container 3
3b is on substrate 11.
As described above, when in use, diffuser 1 be connected to by joint 9 on return line and
It is immersed in the hydraulic oil in fuel tank.Hydraulic oil from return line is along in Fig. 2 shown in arrow A
Direction flows into diffuser 1 with flank speed.When hydraulic oil is flowed in the first cone 7, hydraulic oil is
The circumferential direction of one cone 7 is uniformly dispersed and is divided into by the passing away 5 on container 3
Multiple shuntings.Because the area of passing away 5 significantly increases, the flow velocity each shunted will sharp
Reduce, hydraulic oil is mainly equably flowed out with laminar condition from diffuser 1.As a result, by diffuser 1
The hydraulic oil of outflow is gently mixed with existing hydraulic oil in fuel tank, and this will be significantly reduced to fuel tank
In existing hydraulic oil impact, thus, bubble or caused bubble will not be produced in fuel tank
It will substantially reduce, the dirt in fuel tank, which is also not easy to spread apart, to be come.
Diffuser as illustrated in fig. 1 and 2 is for example low with relatively low flow in the hydraulic oil of return line
Produce and prevent dirt diffusion with particularly preferred for reducing bubble when 300L/min enters fuel tank
Effect, but when flow is more than 300L/min as flow gradually increases, effect can gradually be deteriorated.
In order to reduce bubble generation in the case of high flow capacity and prevent dirt proliferation from producing well
Effect, diffuser assembly 25 as shown in Figures 3 and 4 can be used.
Fig. 3 is to show the diffusion for being used in hydraulic system be back to the hydraulic oil of fuel tank according to the present invention
The schematic isometric of device assembly, Fig. 4 are the front views with diffuser assembly shown in Fig. 3.Such as Fig. 3 and 4
Shown, diffuser assembly 25 includes the current divider 27 of generally tubular, and current divider 27 is formed on top
There is opening 27a, the bottom relative with top is closed by bottom wall 27b, and side wall 27c is on top and bottom
Extend between end.There is the second cone 29 on bottom wall 27b in the inner side of current divider 27.Shunting
There are at least two diffusers 1 as described above being circumferentially evenly arranged on the side wall 27c of device 27.
The number of diffuser can change according to the flow of the hydraulic oil of backflow.In a preferred embodiment, four
Individual diffuser 1 is circumferentially uniformly connected on the side wall 27c of current divider 27 and by diffuser 1
Opening 3a connected with the fluid inside of current divider 27.Diffuser 1 can be threadedly coupled or be welded to
On the side wall 27c of current divider 27.
Although current divider 27 can have at its 27a that is open internal thread or external screw thread so as to oil return pipe
Threaded connection is realized on road, but because return line is relatively thick under high traffic condition, therefore shunting
Flange 31 is provided with the opening 27a of device 27, to pass through bolt with the respective flange on return line
It is connected with each other, so as to which diffuser assembly 25 is connected on return line.
Although the second cone 29 can be for polygon especially along the cross section intercepted perpendicular to paper direction
It is regular polygon, but the second cone 29 is preferably cone.Second cone 29 can be with current divider
27 bottom wall 27b is integrally formed, it is preferred that the second cone 29 is releasably attached to shunting
On the bottom wall 27b of device 27.Certainly, the second cone 29 and can is not provided with diffuser assembly 25
Capable.
When in use, diffuser assembly 25 is connected on return line and immersed by flange 31
In hydraulic oil in fuel tank.When the hydraulic oil from return line flows into diffuser group with larger flow
During part 25, hydraulic oil 2 is uniformly dispersed and then in the circumferential direction of the second cone 29 first
Flow into multiple diffusers 1.The hydraulic oil flowed into diffuser 1 as described above for Fig. 1 and 2 to be retouched
The preferred embodiments same way stated is uniformly dispersed and is divided into multiple shuntings.So, even if
Hydraulic fluid flow rate from return line is larger, but passes through and disperse twice and shunt, will in fuel tank
Bubble or caused bubble, which will not be produced, to be substantially reduced, and the dirt in fuel tank is also not easy to spread
Come.
Above in association with specific embodiment to the present invention have been described in detail.Obviously, above description and
The embodiment being shown in the drawings should be construed as exemplary, the limit without composition to the present invention
System.For example, although diffuser and diffuser assembly are described for reducing in a preferred embodiment
Bubble caused by hydraulic oil from the return line of hydraulic system and avoid or reduce in fuel tank
Dirt spreads, it will be appreciated that, it can be used for subtracting according to the diffuser of the present invention and diffuser assembly
Lack bubble caused by any pressure fluid of such as High-Pressure Water and avoid or reduce what is resulted from
Dirt spreads.To those skilled in the art, can be in the situation for the spirit for not departing from the present invention
Under various variations or modifications are carried out to it, these variations or modifications are all without departing from the scope of the present invention.
Claims (11)
1. a kind of diffuser (1) for pressure fluid, including：
For receiving the container (3) of pressure fluid, the container (3) has opening (3a) and institute
State the relative bottom wall (3b) of opening (3a) and in the opening (3a) and the bottom wall (3b)
Between the side wall (3c) that extends；
Form multiple passing aways (5) in the side wall (3c) of the container (3)；And
The first cone (7) in the container (3) and on the bottom wall (3b), institute are set
The tip of the first cone (7) is stated towards the opening (3a) of the container (3).
2. diffuser (1) according to claim 1, it is characterised in that the container (3)
The substrate (11) of bottom wall (3b) including the formation container (3), it is stacked with one heart to be formed
State multiple annular slabs (13) of the side wall (3c) of container (3) and positioned at adjacent annular slab (13)
Between to limit the pad (19) of the passing away (5), institute in the side wall (3c)
Substrate (11), the multiple annular slab (13) and pad (19) is stated to be fixed together to be formed
The container (3).
3. diffuser (1) according to claim 2, it is characterised in that the substrate (11),
The multiple annular slab (13) and pad (19) by the bolt (15) through them and are twisted
Nut (17) on to the bolt (15) is fixed together.
4. diffuser (1) according to claim 3, it is characterised in that the diffuser (1)
Also include the joint (9) for being arranged on opening (3a) place of the container (3), the joint (9)
And it is connected to by the bolt (15) on the container (3).
5. diffuser (1) according to claim 1, it is characterised in that first cone (7)
It is cone.
6. diffuser (1) according to claim 1, it is characterised in that the multiple discharge is logical
Road (5), which is that the multiple circumferences being formed uniformly in the side wall (3c) of the container (3) are elongated, to be opened
Mouthful.
7. diffuser (1) according to claim 1, it is characterised in that the pressure fluid is
The hydraulic oil of fuel tank is back to from the return line of hydraulic system.
8. a kind of diffuser assembly (25) for pressure fluid, including：
The current divider (27) of tubular, the current divider (27) have formed top opening (27a),
Bottom wall (27b) and the side wall (27c) that extends between the top and the bottom positioned at bottom；
And
Circumferentially uniformly be connected in the side wall (27c) of the current divider (27) and with described point
Flow the multiple according to any described diffusers (1) of claim 1-7 of the fluid inside connection of device (27).
9. diffuser assembly (25) according to claim 8, it is characterised in that also include setting
Put on the inside of the current divider (27) and positioned at the bottom wall (27b) of the current divider (27)
On the second cone (29), the tip of second cone (29) is towards the current divider (27)
It is open (27a).
10. diffuser assembly (25) according to claim 8, it is characterised in that also include setting
Put the flange (31) at opening (27a) place of the current divider (27).
11. diffuser assembly (25) according to claim 8, it is characterised in that described second
Cone (29) is cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373033.XA CN107448438B (en) | 2016-05-30 | 2016-05-30 | Diffuser and diffuser assembly for pressurized fluids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373033.XA CN107448438B (en) | 2016-05-30 | 2016-05-30 | Diffuser and diffuser assembly for pressurized fluids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448438A true CN107448438A (en) | 2017-12-08 |
| CN107448438B CN107448438B (en) | 2020-09-11 |
Family
ID=60485725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610373033.XA Active CN107448438B (en) | 2016-05-30 | 2016-05-30 | Diffuser and diffuser assembly for pressurized fluids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107448438B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007012527A1 (en) * | 2007-03-15 | 2008-09-18 | Alpha Fluid Hydrauliksysteme Müller GmbH | Fluid exchanging device, has distributor connecting directly to fluid tube, in which total fluid flow is partitioned into partial flows flowing into assigned delay assembly and leaking out into fluid tank in retarded manner |
| CN202348851U (en) * | 2011-12-12 | 2012-07-25 | 卡特彼勒公司 | Diffuser device for fluid and machine comprising diffuser device |
| CN102661302A (en) * | 2012-05-10 | 2012-09-12 | 中联重科股份有限公司 | Hydraulic return oil diffuser |
| DE102013010571A1 (en) * | 2013-06-25 | 2015-01-08 | Alpha Fluid Hydrauliksysteme Müller GmbH | Component for flow calming and method for producing such a component |
-
2016
- 2016-05-30 CN CN201610373033.XA patent/CN107448438B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007012527A1 (en) * | 2007-03-15 | 2008-09-18 | Alpha Fluid Hydrauliksysteme Müller GmbH | Fluid exchanging device, has distributor connecting directly to fluid tube, in which total fluid flow is partitioned into partial flows flowing into assigned delay assembly and leaking out into fluid tank in retarded manner |
| CN202348851U (en) * | 2011-12-12 | 2012-07-25 | 卡特彼勒公司 | Diffuser device for fluid and machine comprising diffuser device |
| CN102661302A (en) * | 2012-05-10 | 2012-09-12 | 中联重科股份有限公司 | Hydraulic return oil diffuser |
| DE102013010571A1 (en) * | 2013-06-25 | 2015-01-08 | Alpha Fluid Hydrauliksysteme Müller GmbH | Component for flow calming and method for producing such a component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107448438B (en) | 2020-09-11 |
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