CN106311499B - A kind of humorous impulse jet nozzle that shaken based on air - Google Patents
A kind of humorous impulse jet nozzle that shaken based on air Download PDFInfo
- Publication number
- CN106311499B CN106311499B CN201610987629.9A CN201610987629A CN106311499B CN 106311499 B CN106311499 B CN 106311499B CN 201610987629 A CN201610987629 A CN 201610987629A CN 106311499 B CN106311499 B CN 106311499B
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- Prior art keywords
- air
- jet
- cover
- pedestal
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
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Abstract
The invention belongs to water jet cuttings, erosion impulse jet nozzle technical field, more particularly to a kind of humorous impulse jet nozzle that shaken based on air, pedestal including being equipped with fluid channel, pedestal is located at the outlet end of fluid channel to be detachably connected with spray head, spray head outer cup is equipped with cover, corresponds on cover and is equipped with flow-out hole at spray head；The cavity for being equipped with air inlet is formed between cover and pedestal, cavity is in communication with the outside by air inlet and flow-out hole, and air inlet position is equipped with plugging mechanism.The configuration of the present invention is simple, it is easy to process, it is ingenious in design, the present invention is to the structure of nozzle interior without particular/special requirement, the prior art design of opposite mainstream looks for another way: using the flow quantity control for the Involving velocity joint air that high-speed jet is formed, air pressure is adjusted in the cavity described in jet stream, and then forms the fixed pulsing jet of frequency, the difficulty of processing of nozzle is not only reduced, and ensure that the frequency stability of pulsing jet and be obviously prolonged service life.
Description
Technical field
The invention belongs to water jet cutting, erosion impulse jet nozzle technical field more particularly to it is a kind of shaken based on air it is humorous
Impulse jet nozzle.
Background technique
High pressure water jet is the emerging technology that RECENT DEVELOPMENTS is got up, have cutting power it is strong, convenient for narrow
The advantages that small job space, has obtained more and more utilizations in every field.Pulse water jet as one of branch,
Compared with continuous water jet, there are stronger cutting, erosion ability and higher erosion than energy, therefore with wide before
Scape.
To generate pulsing jet, domestic and foreign scholars are had conducted extensive research.Such as the patent text of Publication No. CN1098337A
It offers and discloses a kind of high efficiency energy-accumulating oscillating impulse jet nozzle and its production method, the patent text of Publication No. CN102133562A
It offers and discloses a kind of Multifunctional self-excited oscillation abrasive water jet generating device, the patent of Publication No. patent document CN2699997Y
Document discloses a kind of oscillating pulse jet stream nozzle for gear, and above-mentioned three technology belongs to self-excited oscillation pulse nozzle.But above-mentioned spray
Mouth is in order to generate self-oscillation effect, and the oscillation cavity configuration of nozzle interior is complex, and machining accuracy is difficult to ensure, and due to
It relies solely on the structure and special boundary condition generates oscillating impulse effect, frequency of oscillation is difficult to control.Certainly also there is portion
Divide scholar to study blocking type impulse jet nozzle and paddle type mill impulse jet nozzle, but has certain problems, it can not be existing
It is promoted and applied on the basis of some processing technologys.
Summary of the invention
The object of the present invention is to provide a kind of humorous impulse jet nozzles that shaken based on air, and nozzle arrangements of the present invention are simple,
Easy to process and design principle is ingenious, can generate pulse water jet using the change of air pressure.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of humorous impulse jet nozzle that shaken based on air, the pedestal including being equipped with fluid channel, pedestal are located at fluid channel
It is detachably connected at outlet end with spray head, spray head outer cup is equipped with cover, corresponds on cover and is equipped with flow-out hole at spray head；Cover with
The cavity for being equipped with air inlet is formed between pedestal, cavity is in communication with the outside by air inlet and flow-out hole, and air inlet position is equipped with envelope
Stifled mechanism.
The air inlet can be set on cover or pedestal, by the closure or unlatching of plugging mechanism, can control
Cavity and extraneous connected state: when blocking air inlet, when high-speed jet is projected from fluid channel, nozzle and flow-out hole, meeting
The intracorporal air of chamber is swept away and to be formed vacuum in cavity, the environment for causing jet stream to project changes, the energy of jet stream
Certain abatement is obtained, and the jet stream angle of divergence can increased under the action of vacuum, and then change the flow field structure of jet stream,
Jet stream is in non-free jet state this moment, and when air inlet is opened, air enters cavity, and cavity is connected to atmospheric pressure, at this time
Jet stream is in free jet state；Then by constantly switching closure, the open state of air inlet, available frequency stabilization
Pulsing jet.
Preferably, be equipped with the penetrating cylinder in upper and lower end face between the cover and pedestal, cylinder both ends respectively with cover and
Pedestal interference fit is threadedly coupled, and air inlet is located on cylinder.
The design of cylinder can reduce the difficulty of processing that air inlet is opened up on pedestal or cover.
Preferably, the plugging mechanism is corking or seben.
Corking and seben are only the plugging mechanism of simplest structure, and corking and seben can be by manually or automatically mechanical
The frequency operation of closure, the unlatching to air inlet is realized in control.
Preferably, the plugging mechanism includes the sleeve for being interference fitted or being threadedly coupled with air inlet, sleeve upper and lower end
Face is equipped with through-hole, and sleeve lower end surface is installed with spring, and spring top is equipped with the cover plate for blocking through-hole.
Preferably, the spring is in compressive state always.
As a preferred technical solution, by using the elasticity of spring realize cover plate to the closure of sleeve upper surface through-hole,
It opens, and then realizes the closure and unlatching of air inlet indirectly, reduce difficulty of processing, and the frequency of pulse is by changing spring
Parameter and be adjusted.Likewise, the size of cavity and the change of cubical content, also may be implemented to pulse frequency in 0.5HZ-
Adjustment between 30HZ.
Preferably, the spray head is embedded at pedestal and the end cap by connecting with whorl of base compresses.
Due to needing to replace the nozzle of different bores according to practical application, match so nozzle is not necessarily gap with pedestal
It closes, needs to be arranged end cap and nozzle is compressed.For blocking gap between outer nozzle wall and the embedding hole of pedestal, need using end face
Sealing or the sealing of brass pad are realized and are blocked, so that jet stream can only be projected from nozzle.
Preferably, the aperture of the flow-out hole is 1.3-1.5 times of shower nozzle caliber.The aperture of flow-out hole and shower nozzle caliber
Ratio is affected to the adjusting of air pressure in cavity, by the test of many times of applicant, selects optimal ratio for 1.3-1.5.
Compared with the prior art, the invention has the following advantages:
1) structure is simple, easy to process, ingenious in design, and the present invention without particular/special requirement, leads the structure of nozzle interior relatively
The prior art design of stream looks for another way: using the flow quantity control for the Involving velocity joint air that high-speed jet is formed, to jet stream
Air pressure is adjusted in the cavity, and then forms the fixed pulsing jet of frequency, not only reduces the difficulty of processing of nozzle,
And it ensure that the frequency stability of pulsing jet and be obviously prolonged service life；
2) size of spatial volume is adjusted in the frequency to the closure of plugging mechanism, unlatching and cavity, i.e., adjustable
The frequency of pulsing jet, it is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of humorous impulse jet nozzle of being shaken in specific embodiment based on air；
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of humorous impulse jet nozzle that shaken based on air, the pedestal 1 including being equipped with fluid channel, pedestal 1
Spray head 6 is embedded at the outlet end of fluid channel, and spray head 6 is compressed by the end cap 7 being threadedly coupled with pedestal 1, outside spray head 6
Portion is covered with cover 8, corresponds on cover 8 and is equipped with flow-out hole 9 at spray head 6；It is penetrating that upper and lower end face is equipped between cover 8 and pedestal 1
Cylinder 2,2 both ends of cylinder are threadedly coupled with cover 8 and pedestal 1 respectively, and cylinder 2 is equipped with air inlet, air inlet and 3 spiral shell of sleeve
Line connection, the upper and lower end face of sleeve 3 are equipped with through-hole, and 3 lower end surface of sleeve is installed with the spring 5 in compressive state, 5 top of spring
Equipped with the cover plate 4 for blocking through-hole.
The present embodiment blocks the through-hole of sleeve by the spring push cover board under compressive state, so realize into
The closure of stomata.Technical solution working condition described in the present embodiment is as follows:
1. high-speed jet is projected from fluid channel, nozzle and flow-out hole, the intracorporal air of chamber can be swept away, due to bullet
Spring pushing tow cover board blocks sleeve through hole, so that cavity is not connected to the external world, so that forming vacuum in cavity, leads to jet stream
The environment of injection changes, and the energy of jet stream is centainly cut down, and the jet stream angle of divergence can be increased under the action of vacuum
Add, and then change the flow field structure of jet stream, jet stream is in non-free jet state this moment；
2. vacuum degree is persistently promoted in cavity with the continuity of non-free jet state, when vacuum degree reaches a certain level
When, cover plate overcomes spring thrust under atmospheric pressure and opens through-hole, and cavity is connected to atmospheric pressure, and jet stream is in certainly this moment
By jet stream state, i.e. normal air jet stream；But with the decline of vacuum degree in cavity, cover plate is then sealed by spring thrust effect
Stifled through-hole, and non-free jet state is progressed into, it loops back and forth like this, forms the pulsing jet of frequency stabilization.
At the same time it can also change the size and spring parameter of spatial volume in cavity, to the frequency of pulsing jet into
Row adjustment, meets the needs of this field different frequency pulsing jet.
Claims (5)
1. a kind of humorous impulse jet nozzle that shaken based on air, which is characterized in that the pedestal including being equipped with fluid channel, pedestal are located at stream
It is detachably connected at the outlet end in body channel with spray head, spray head outer cup is equipped with cover, corresponds on cover and is equipped with stream at spray head
Hole；The cavity for being equipped with air inlet is formed between cover and pedestal, cavity is in communication with the outside by air inlet and flow-out hole, air inlet
Place is equipped with plugging mechanism；The plugging mechanism includes the sleeve for being interference fitted or being threadedly coupled with air inlet, sleeve upper and lower end
Face is equipped with through-hole, and sleeve lower end surface is installed with spring, and spring top is equipped with the cover plate for blocking through-hole.
2. shaken based on air humorous impulse jet nozzle as described in claim 1, which is characterized in that set between the cover and pedestal
The cylinder for having upper and lower end face penetrating, cylinder both ends are interference fitted or are threadedly coupled with cover and pedestal respectively, and air inlet is located at cylinder
On body.
3. shaken based on air humorous impulse jet nozzle as claimed in claim 2, which is characterized in that the spring is in pressure always
Contracting state.
4. shaken based on air humorous impulse jet nozzle as claimed in claim 1 or 2, which is characterized in that the spray head is embedded at bottom
Seat and the compression of the end cap by being connect with whorl of base.
5. shaken based on air humorous impulse jet nozzle as described in claim 1, which is characterized in that the aperture of the flow-out hole is spray
1.3-1.5 times of head bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987629.9A CN106311499B (en) | 2016-11-10 | 2016-11-10 | A kind of humorous impulse jet nozzle that shaken based on air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987629.9A CN106311499B (en) | 2016-11-10 | 2016-11-10 | A kind of humorous impulse jet nozzle that shaken based on air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106311499A CN106311499A (en) | 2017-01-11 |
| CN106311499B true CN106311499B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610987629.9A Active CN106311499B (en) | 2016-11-10 | 2016-11-10 | A kind of humorous impulse jet nozzle that shaken based on air |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962886A (en) * | 1988-10-14 | 1990-10-16 | The Board Of Trustees Of The University Of Maine | High flow rate nozzle system with production of uniform size droplets |
| US6186411B1 (en) * | 1999-11-15 | 2001-02-13 | Westinghouse Air Brake Technologies Corporation | Wheel flange lubrication nozzle |
| CN101553318A (en) * | 2006-08-23 | 2009-10-07 | 瓦利安特公司 | High-pressure pulse nozzle assembly |
| CN102069049A (en) * | 2010-11-24 | 2011-05-25 | 华北水利水电学院 | Self-excitation aspiration pulse jet nozzle |
| CN106040476A (en) * | 2016-07-11 | 2016-10-26 | 大连海事大学 | Active control device for oscillating jet |
| CN206199516U (en) * | 2016-11-10 | 2017-05-31 | 河南理工大学 | It is a kind of to be shaken humorous impulse jet nozzle based on air |
-
2016
- 2016-11-10 CN CN201610987629.9A patent/CN106311499B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962886A (en) * | 1988-10-14 | 1990-10-16 | The Board Of Trustees Of The University Of Maine | High flow rate nozzle system with production of uniform size droplets |
| US6186411B1 (en) * | 1999-11-15 | 2001-02-13 | Westinghouse Air Brake Technologies Corporation | Wheel flange lubrication nozzle |
| CN101553318A (en) * | 2006-08-23 | 2009-10-07 | 瓦利安特公司 | High-pressure pulse nozzle assembly |
| CN102069049A (en) * | 2010-11-24 | 2011-05-25 | 华北水利水电学院 | Self-excitation aspiration pulse jet nozzle |
| CN106040476A (en) * | 2016-07-11 | 2016-10-26 | 大连海事大学 | Active control device for oscillating jet |
| CN206199516U (en) * | 2016-11-10 | 2017-05-31 | 河南理工大学 | It is a kind of to be shaken humorous impulse jet nozzle based on air |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106311499A (en) | 2017-01-11 |
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