CN109277223A - A kind of vacuum injector - Google Patents
A kind of vacuum injector Download PDFInfo
- Publication number
- CN109277223A CN109277223A CN201811375368.0A CN201811375368A CN109277223A CN 109277223 A CN109277223 A CN 109277223A CN 201811375368 A CN201811375368 A CN 201811375368A CN 109277223 A CN109277223 A CN 109277223A
- Authority
- CN
- China
- Prior art keywords
- hole
- spray
- vacuum
- nozzle
- columnar member
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 16
- 230000003584 silencer Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Landscapes
- Nozzles (AREA)
Abstract
This application discloses a kind of vacuum injector, including pressurized part, nozzle and spray-hole set on nozzle one end, pressurized part coaxial arrangement forms ring jet channel in spray-hole between pressurized part and spray-hole.As a result, by the way that pressurized part is arranged in spray-hole, so that forming ring jet channel between pressurized part and spray-hole, jet channel can play pressurization to compressed gas, can reduce air consumption, improve the efficiency of vacuum, and improve vacuum degree.
Description
Technical field
The present invention relates to vacuum injector more particularly to a kind of vacuum injectors with supercharging effect.
Background technique
The shortcomings that existing vacuum injector be embodied in low pressure can not work normally, low efficiency, air consumption it is big.
In addition, it is easy to produce impurity at the ball-type set vacuum port of existing vacuum injector, but cleaning gets up to need ball
Shape covers integral demounting, could clean out internal impurity, causes impurity cleaning difficult, time-consuming and laborious.
In addition, the silencer of existing vacuum injector is easy to produce impurity in hush pipe, and the protective cover of muffler with
It is separation between hush pipe, when therefore, it is necessary to clear up impurity, needs to remove the protective cover of muffler, with metal hammer or rubber
Glue hammer beats hush pipe, and the impurity in hush pipe is cleared up by vibrating, and therefore, the impurity cleared up in muffler is time-consuming and laborious.
Summary of the invention
The purpose of the invention is to provide a kind of vacuum injector, solve one in above-mentioned prior art problem or
It is multiple.
According to an aspect of the present invention, a kind of vacuum injector is provided, including pressurized part, nozzle and is set to nozzle one
The spray-hole at end, pressurized part coaxial arrangement form ring jet channel in spray-hole between pressurized part and spray-hole.
The present invention in spray-hole by being arranged pressurized part, so that forming ring jet between pressurized part and spray-hole
Channel, jet channel can play pressurization to compressed gas, can reduce air consumption, improve the efficiency of vacuum, and improve
Vacuum degree.
In some embodiments: pressurized part is columnar member.Thus, it is possible to make jet channel that there is certain length,
It can be improved supercharging effect.
In some embodiments: columnar member a part is located in spray-hole, and another part is located in nozzle.
In some embodiments: columnar member is entirely located in spray-hole.
In some embodiments: columnar member a part is located in spray-hole, and another part stretches out in spray-hole.
In some embodiments: columnar member is cylindrical structure or taper rod structure.
In some embodiments: columnar member is connected to spray-hole or nozzle by connector, and connector includes circumferential equal
Multiple connecting rods of columnar member are distributed in, connecting rod one end is connected to columnar member, and the other end is connected to spray-hole or nozzle, adjacent
It is hollow-out parts for gas to pass through between connecting rod, the cross-sectional area sum of hollow-out parts is more than or equal to the cross section of injection hole exits
Product.Thereby, it is possible to realize the fixed installation of columnar member.
In some embodiments: the cross section of columnar member is round or regular polygon.
In some embodiments: further including spherical set, spherical shape set includes that vacuum port, nozzle connector and mixed gas enter
Mouthful, nozzle is set to nozzle connector, and spray-hole is located at spherical shape set inside, and spherical shape, which covers to be equipped in the side opposite with vacuum port, leads to
Hole, through-hole are configured with vacuum meter or sealing bolt.Upper aperture is covered in ball-type as a result, is sealed with bolt (vacuum meter), it is therefore an objective to just
In the impurity of cleaning ball-type set vacuum port, changes tradition cleaning impurity and need to ask what the disassembly of a whole set of injector can clear up
Topic, installation vacuum meter are easy for observation vacuum situation of change.
In some embodiments: further include spherical set and muffler, spherical shape set include vacuum port, nozzle connector and
Mixed gas entrance, nozzle are set to nozzle connector, and spray-hole is located at spherical set inside, and mixed gas entrance, which passes sequentially through, to be drawn
It penetrates room and is connected to muffler with diffusion room；Muffler includes hush tube and the protective cover for covering at hush pipe, and protective cover includes centre
Portion and end positioned at middle part both ends；Middle part is attached at hush pipe.Change existing silencer protective cover and hush pipe as a result,
Protective cover middle part is reclined with hush pipe and is set together by isolated structure, makes the noise reduction that impurity is also easy to produce inside silencer
The positions such as pipe and protective cover design are integral, and the protective cover middle part that cleaning impurity only needs to strike silencer can be completed pair
The purpose that impurity is cleared up in silencer.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of vacuum injector of the present invention；
Fig. 2 is a kind of schematic structural diagram of the first embodiment of the columnar member of vacuum injector of the present invention；
Fig. 3 is a kind of schematic structural diagram of the second embodiment of the columnar member of vacuum injector of the present invention.
Specific embodiment
Illustrate with reference to the accompanying drawing, invention is further described in detail.
As shown in Figure 1, a kind of vacuum injector, including pressurized part, nozzle 2 and spray-hole 3 set on 2 one end of nozzle,
Pressurized part coaxial arrangement forms ring jet channel 4 in spray-hole 3 between pressurized part and spray-hole 3.
In the present embodiment, pressurized part is columnar member 1, and 1 circle of position column construction of columnar member.
Wherein it is possible to the supercharging effect to compressed air is generated by the length for changing jet channel 4, as shown in Fig. 2,
1 a part of columnar member is located in spray-hole 3, and another part is located in nozzle 2, and the one end and spray of columnar member 1 close to spray-hole 3
The gas outlet of perforation 3 flushes.The jet channel 4 being linked together is respectively formed between columnar member 1 and fumarole 3,2 inner wall of nozzle.
In another embodiment, as shown in figure 3, columnar member 1 is entirely located in spray-hole 3.Columnar member 1 is close to spray-hole 3
One end of gas outlet is flushed with the gas outlet of spray-hole 3.The length of columnar member 1 can be consistent with the length of spray-hole 3, can also be with
Less than the length of spray-hole 3.
Further, it is also possible to be that 1 a part of columnar member is located in spray-hole 3, another part stretches out in spray-hole 3, specific next
Say stretched out from the gas outlet of spray-hole 3.
In another embodiment, columnar member 1 can also be taper rod structure, wherein the lesser one end of diameter can be with spray
The gas outlet of perforation 3 flushes, and is also possible to the one end being relatively large in diameter and flushes with the gas outlet of fumarole 3.
Wherein, columnar member 1 is connected to 2 spray-hole 3 of nozzle by connector, and connector includes that circumferential direction is distributed in columnar member 1
Multiple connecting rods 11,11 one end of connecting rod can by welding or integrally formed mode be connected to columnar member 1 close to nozzle 2
One end, the other end of connecting rod 11 can be by being detachably connected, welding or integrally formed mode is connected to 2 inner wall of nozzle
Or end, it is hollow-out parts for gas to pass through between adjacent connecting rod 11, the cross-sectional area sum of hollow-out parts is more than or equal to spray
The cross-sectional area that perforation 3 exports.
In addition, columnar member 1 can also be connected to spray-hole 3 by connector, the end of connecting rod 11 can be by removable
It unloads connection, welding or integrally formed mode and is connected to 2 inner wall of nozzle or end.
Wherein, spray-hole 3 is cylindrical hole or bellmouth.Cylindrical hole easy processing, bellmouth can further increase pair
The supercharging effect of compressed air.
Wherein, the cross section of columnar member 1 can be round or regular polygon.
In addition, further including spherical set 5, spherical shape set 5 includes vacuum port 51, nozzle connector 52 and mixed gas entrance 53,
Nozzle 2 is plugged in nozzle connector 52, and spray-hole 3 is located inside spherical set 5, and spray-hole 3 is towards mixed gas entrance 53.
Spherical shape set 5 offers through-hole 54 in the side opposite with vacuum port 51, and through-hole 54 can be threaded hole, and through-hole 54 is logical
Threaded connection is crossed configured with vacuum meter or sealing bolt 55.
Upper aperture is covered in ball-type as a result, is sealed with bolt (vacuum meter), it is therefore an objective to be convenient to clean the miscellaneous of ball-type set vacuum port
Matter changes tradition cleaning impurity and needs the problem of a whole set of injector disassembly can be cleared up, and installation vacuum meter is easy for observing
Vacuum situation of change.
In addition, further including spherical set 5 and muffler 6, spherical shape set 5 includes vacuum port 51, nozzle connector 52 and gaseous mixture
Body entrance 53, nozzle 2 are plugged in nozzle connector 52, and spray-hole 3 is located inside spherical set 5, and spray-hole 3 enters towards mixed gas
Mouth 53.Mixed gas entrance 53 passes sequentially through injecting chamber 7 and is connected to muffler 6 with diffusion room 8.
Muffler 6 includes hush tube 61 and the protective cover for covering at hush pipe 61, and protective cover includes middle part 63 and is located at
The end 64 at 63 both ends of middle part, in the present embodiment, protective cover be it is columnar structured, the diameter of middle part 63 is less than end 64
Diameter, hush pipe 61 be it is multiple, and be evenly arranged in a ring；It can lead between middle part 63 and the tube wall of each hush pipe 6
It crosses and welds the connection that is sticked.
Change the structure that existing silencer protective cover is separated with hush pipe as a result, protective cover middle part and hush pipe are pasted
By being set together, makes to be also easy to produce the positions such as the hush pipe of impurity inside silencer and protective cover design is integral, clear up impurity
The protective cover middle part for only needing to strike silencer can complete the purpose cleared up impurity in silencer.
In conclusion the present invention is in spray-hole by being arranged pressurized part, so that shape between pressurized part and spray-hole
Jet channel is circularized, jet channel can play pressurization to compressed gas, can reduce air consumption, improve the effect of vacuum
Rate, and improve vacuum degree.
The above is only one embodiment of the present invention, it is noted that those skilled in the art,
Without departing from the concept of the premise of the invention, some similar deformation and improvement can be made, these also should be regarded as this
Within the protection scope of invention.
Claims (10)
1. a kind of vacuum injector, it is characterised in that: including pressurized part, nozzle (2) and the spray for being set to the nozzle (2) one end
Perforation (3), the pressurized part coaxial arrangement is in the spray-hole (3), between the pressurized part and the spray-hole (3)
It is formed ring jet channel (4).
2. a kind of vacuum injector according to claim 1, it is characterised in that: the pressurized part is columnar member (1).
3. a kind of vacuum injector according to claim 2, it is characterised in that: described columnar member (1) a part is located at institute
It states in spray-hole (3), another part is located in the nozzle (2).
4. a kind of vacuum injector according to claim 2, it is characterised in that: the columnar member (1) is entirely located in described
In spray-hole (3).
5. a kind of vacuum injector according to claim 2, it is characterised in that: described columnar member (1) a part is located at institute
It states in spray-hole (3), another part stretches out in the spray-hole (3).
6. according to a kind of described in any item vacuum injectors of claim 2-5, it is characterised in that: the columnar member (1) is circle
Column construction or taper rod structure.
7. according to a kind of described in any item vacuum injectors of claim 2-5, it is characterised in that: the columnar member (1) passes through
Connector is connected to the spray-hole (3) or nozzle (2), and the connector includes that circumferential direction is distributed in the more of the columnar member (1)
A connecting rod (11), described connecting rod (11) one end are connected to the columnar member (1), and the other end is connected to the spray-hole (3)
Or nozzle (2), be hollow-out parts for gas to pass through between the adjacent connecting rod (11), the cross-sectional areas of the hollow-out parts it
With the cross-sectional area for being more than or equal to the spray-hole (3) outlet.
8. according to a kind of described in any item vacuum injectors of claim 2-5, it is characterised in that: the cross of the columnar member (1)
Section is round or regular polygon.
9. a kind of vacuum injector according to claim 1, it is characterised in that: it further include spherical set (5), the spherical set
It (5) include vacuum port (51), nozzle connector (52) and mixed gas entrance (53), the nozzle (2) is set to the nozzle
Connector (52), it is internal that the spray-hole (3) is located at the spherical set (5), the spherical set (5) with the vacuum port (51)
Opposite side is equipped with through-hole (54), and the through-hole (54) is configured with vacuum meter or sealing bolt (55).
10. a kind of vacuum injector according to claim 1, it is characterised in that: further include spherical set (5) and muffler
(6), the spherical set (5) includes vacuum port (51), nozzle connector (52) and mixed gas entrance (53), the nozzle (2)
It is set to the nozzle connector (52), the spray-hole (3) is located at spherical set (5) inside, the mixed gas entrance
(53) it passes sequentially through injecting chamber (7) and is connected to the muffler (6) with diffusion room (8)；The muffler (6) includes hush tube (61)
With the protective cover for covering at the hush pipe (61), the protective cover include middle part (63) and be located at the middle part (63) two
The end (64) at end；The middle part (63) is attached at the hush pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375368.0A CN109277223A (en) | 2018-11-19 | 2018-11-19 | A kind of vacuum injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375368.0A CN109277223A (en) | 2018-11-19 | 2018-11-19 | A kind of vacuum injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109277223A true CN109277223A (en) | 2019-01-29 |
Family
ID=65176487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375368.0A Pending CN109277223A (en) | 2018-11-19 | 2018-11-19 | A kind of vacuum injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116706160A (en) * | 2023-08-02 | 2023-09-05 | 山东美燃氢动力有限公司 | Controllable fuel pressure control system of fuel cell |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580657A (en) * | 1983-06-16 | 1986-04-08 | Donaldson Company, Inc. | Integral fluted tube for sound suppression and exhaust ejection |
| CN2785761Y (en) * | 2005-03-11 | 2006-06-07 | 贵阳铝镁设计研究院 | Ejector |
| CN202576589U (en) * | 2012-03-15 | 2012-12-05 | 河南中孚实业股份有限公司 | Electrolytic vacuum ladle low-voltage ejector |
| CN203256351U (en) * | 2013-05-22 | 2013-10-30 | 郑州久达科技有限公司 | Anti-blocking ejector |
| CN103459855A (en) * | 2011-03-28 | 2013-12-18 | 株式会社小金井 | Ejector |
| US20150354601A1 (en) * | 2012-12-21 | 2015-12-10 | Xerex Ab | Vacuum Ejector Nozzle With Elliptical Diverging Section |
| CN205823382U (en) * | 2016-07-15 | 2016-12-21 | 襄阳楚安科技实业有限公司 | A kind of injection acoustic filter |
| CN106801687A (en) * | 2017-01-20 | 2017-06-06 | 大连理工大学 | A self-exciting back-rotating jet supercharger |
-
2018
- 2018-11-19 CN CN201811375368.0A patent/CN109277223A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580657A (en) * | 1983-06-16 | 1986-04-08 | Donaldson Company, Inc. | Integral fluted tube for sound suppression and exhaust ejection |
| CN2785761Y (en) * | 2005-03-11 | 2006-06-07 | 贵阳铝镁设计研究院 | Ejector |
| CN103459855A (en) * | 2011-03-28 | 2013-12-18 | 株式会社小金井 | Ejector |
| CN202576589U (en) * | 2012-03-15 | 2012-12-05 | 河南中孚实业股份有限公司 | Electrolytic vacuum ladle low-voltage ejector |
| US20150354601A1 (en) * | 2012-12-21 | 2015-12-10 | Xerex Ab | Vacuum Ejector Nozzle With Elliptical Diverging Section |
| CN203256351U (en) * | 2013-05-22 | 2013-10-30 | 郑州久达科技有限公司 | Anti-blocking ejector |
| CN205823382U (en) * | 2016-07-15 | 2016-12-21 | 襄阳楚安科技实业有限公司 | A kind of injection acoustic filter |
| CN106801687A (en) * | 2017-01-20 | 2017-06-06 | 大连理工大学 | A self-exciting back-rotating jet supercharger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116706160A (en) * | 2023-08-02 | 2023-09-05 | 山东美燃氢动力有限公司 | Controllable fuel pressure control system of fuel cell |
| CN116706160B (en) * | 2023-08-02 | 2023-12-08 | 山东美燃氢动力有限公司 | Controllable fuel pressure control system of fuel cell |
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