CN207786850U - Rotary nozzle and fueling injection equipment - Google Patents

Rotary nozzle and fueling injection equipment Download PDF

Info

Publication number
CN207786850U
CN207786850U CN201721633118.3U CN201721633118U CN207786850U CN 207786850 U CN207786850 U CN 207786850U CN 201721633118 U CN201721633118 U CN 201721633118U CN 207786850 U CN207786850 U CN 207786850U
Authority
CN
China
Prior art keywords
head body
trombone slide
spray
rotary nozzle
hole
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.)
Active
Application number
CN201721633118.3U
Other languages
Chinese (zh)
Inventor
柳泽斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Automotive Components Manufacturing
Original Assignee
Honda Automotive Components Manufacturing
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Automotive Components Manufacturing filed Critical Honda Automotive Components Manufacturing
Priority to CN201721633118.3U priority Critical patent/CN207786850U/en
Application granted granted Critical
Publication of CN207786850U publication Critical patent/CN207786850U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Nozzles (AREA)

Abstract

The utility model is related to a kind of rotary nozzle and fueling injection equipment, rotary nozzle includes trombone slide and head body;Diversion channel is provided in head body, head body is equipped with multiple steering spray orifices, turns to spray orifice and is connected to diversion channel, and each injection stream sprayed in spray orifice that turns to generates rotating Vortex torque to head body;The both ends of trombone slide are respectively inlet end and an outlet end, and the outlet end of trombone slide is connected to diversion channel, and trombone slide is rotatablely connected with head body.Above-mentioned rotary nozzle, each injection stream sprayed in spray orifice that turns to generate rotating Vortex torque to head body, and head body can quickly rotate under the action of injection stream relative to trombone slide automatically, and then realize and spray work in all directions.Therefore, above-mentioned rotary nozzle and fueling injection equipment can realize efficient oil spout or spray, effectively reduce cost.

Description

Rotary nozzle and fueling injection equipment
Technical field
The utility model is related to spraying technique fields, more particularly to a kind of rotary nozzle and fueling injection equipment.
Background technology
Bearing press mounting is a kind of relatively common assembly method in mechanical automobile industry, but in the assembly of precision component In, quality requirements are relatively high, such as the bearing installation in gearbox cover.Due to the outer diameter of bearing and the internal diameter of end cap It is interference fit type, frictional force is big when press fitting, once more than the toughness of material, it is isobaric just to will produce burr, scratch Fill bad phenomenon.The generation of burr can cause oil circuit to block when serious, and then influence gearbox shifting, eventually lead to vehicle row Walk exception.In order to avoid the generation of this bad phenomenon, producer is using the ability Fitted Axles after the internal diameter of end cap carries out oiling at present It holds.Mode used at present is human hand oiling, and not only efficiency is low, and cost of labor is also high.
Utility model content
Based on this, it is necessary to be directed to the existing oiling mode problem low with efficiency of high cost, provide a kind of rotary nozzle and Fueling injection equipment realizes efficient oil spout, while reducing cost.
A kind of rotary nozzle, including trombone slide and head body;There is diversion channel and multiple steerings to spray in the head body Hole, the steering spray orifice are connected to the diversion channel, and each steering spray orifice generates in the same direction the head body for spraying The injection stream of turning moment;The both ends of the trombone slide are respectively inlet end and an outlet end, the outlet end of the trombone slide with described point Chute is connected to, and the trombone slide is rotatablely connected with the head body.
Above-mentioned rotary nozzle, each injection stream sprayed in spray orifice that turns to generate rotating Vortex torque to head body, from And when in use, by with hold it is tight, clamped with machine or fixed trombone slide by other means, head body can spray It is quickly rotated automatically relative to trombone slide under the action of stream, and then realizes and spray work in all directions.Above-mentioned rotary nozzle includes drawing Pipe and two construction package of head body, have the characteristics that simple in structure, at low cost.Therefore, above-mentioned rotary nozzle can realize height Oil spout or spray are imitated, is effectively reduced cost.
In addition, diversion channel can play the function of transitional fluid, so as to which the fluid entered from trombone slide to be orderly uniformly distributed To steering spray orifice.
The head body is rotary structure in one of the embodiments,;It is provided on the outside of the head body more A notch, each notch are circumferentially opened up along the head body, and convex block is formed between the two neighboring notch;The steering spray Hole is opened on the convex block.Head body is rotary structure, and to improve the stability of rotary nozzle rotation, use is more square Just, it sprays more uniform.The setting of notch can mitigate the weight of head body.
The outside of the head body is equidistantly opened up there are four notch in one of the embodiments, each described convex The steering spray orifice there are one being opened up on block.Four notches equidistantly open up, and can so form a generally central symmetry Head body, it is more uniform to spray to further increase the stability of rotation.
The steering spray orifice includes transitional pore and spray-hole in one of the embodiments, and the spray-hole passes through described Transitional pore is connected to the diversion channel, and the ejection end of the spray-hole is opened on the side wall of the notch, the spray-hole Tangential direction when opening direction is rotated with the head body is consistent.When the opening direction of spray-hole is rotated with head body Tangential direction is consistent, so efficiently can directly convert the reaction force that injection stream generates to the work for making head body rotate Firmly, to increase turning moment, accelerate the rotating speed of head body, improve spray efficiency.
The head body includes spill spin block and nozzle block in one of the embodiments,;It is opened in the middle part of the spill spin block There are first through hole, the wall surface of the first through hole to be equipped with first annular protrusion;The diversion channel is opened in the nozzle block, The steering spray orifice is opened in the nozzle block, and the spill spin block is connected in the nozzle block;The open end of the trombone slide Equipped with the second annular protrusion, second annular protrusion coordinates with the first annular projection contacts;The spill spin block with it is described Trombone slide is rotatably connected.
The bottom wall of the diversion channel is equipped with pillar, the top of the pillar and described the in one of the embodiments, Gap is equipped between second ring protrusion.The setting of pillar can enhance the Fluid pressure in rotary nozzle so that turn in spray orifice The fluid flow rate of ejection is accelerated, and then improves the rotating speed of head body, realizes higher spray efficiency.
The spill spin block is rotatablely connected by bearing and the trombone slide in one of the embodiments,;On the spill spin block It is connected with pressing plate, the bearing is pressed between the pressing plate and the first annular protrusion.It is fixed it is, pressing plate plays press fitting The effect of bearing.
Further include shield in one of the embodiments,;One end of the shield is equipped with mounting groove, the slot of the mounting groove Bottom is provided with the second through-hole;The trombone slide is threaded through in second through-hole, and the outlet end of the trombone slide is located at the mounting groove It is interior;The head body is arranged in the mounting groove, the outside for turning to spray orifice and being located at the mounting groove, and the nozzle This physical efficiency is rotated relative to the shield.On the one hand shield plays the role of aesthetic appeal, on the other hand can also prevent head body And a small amount of mist of oil that the gap between trombone slide leaks out distributes outward.
The shield is equipped with anti-collision ring, notch of the anti-collision ring along the mounting groove in one of the embodiments, Setting.
A kind of fueling injection equipment, including oil feeder, gas supply mechanism, oil-gas mixer and above-mentioned rotary nozzle, the oil feeder It is connect with the oil-gas mixer by oil pipe, the gas supply mechanism is connect by tracheae with the oil-gas mixer, the oil Gas mixer is connect by pipeline with the input end of the trombone slide.
Above-mentioned fueling injection equipment, in oil feeder fuel feeding to oil-gas mixer, using the air source of gas supply mechanism by oil-gas mixer In oil dispel to form mist of oil, mist of oil reach rotary nozzle after from rotary nozzle spray, carry out rotation oil spout.Therefore, above-mentioned spray Oily device can realize efficient oil spout, effectively reduce cost.
Description of the drawings
Fig. 1 is the Structure explosion diagram of rotary nozzle described in the utility model embodiment;
Fig. 2 is structural schematic diagram when rotary nozzle described in the utility model embodiment removes shield;
Fig. 3 is the structure sectional view of rotary nozzle described in the utility model embodiment;
Fig. 4 is the schematic diagram of rotary nozzle described in the utility model embodiment;
Fig. 5 is the structural schematic diagram of fueling injection equipment described in the utility model embodiment.
100, trombone slide, 110, input end, 120, outlet end, the 130, second annular protrusion, 200, head body, 210, lack Mouthful, 220, convex block, 230, spill spin block, 231, first through hole, 232, first annular protrusion, 240, nozzle block, 241, diversion channel, 242, spray orifice is turned to, 2421, transitional pore, 2422, spray-hole, 243, pillar, 250, pressing plate, 300, bearing, 400, snap ring, 500, Shield, 510, mounting groove, the 520, second through-hole, 600, anti-collision ring, 700, oil feeder, 800, gas supply mechanism, 900, air-fuel mixture Device.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making new to this practicality The disclosure of type understands more thorough and comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately One element may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", do not deposit In intermediary element.Term as used herein " first " " second " does not represent specific quantity and sequence, is only used for title Differentiation.
As shown in Figures 1 to 4, a kind of rotary nozzle, including trombone slide 100 and head body 200.Have in head body 200 There are diversion channel 241 and multiple steering spray orifices 242.Spray orifice 242 is turned to be connected to diversion channel 241.Spray orifice 242 is turned to for ejection pair Head body 200 generates the injection stream of rotating Vortex torque.The both ends of trombone slide 100 are respectively input end 110 and outlet end 120. The outlet end 120 of trombone slide 100 is connected to diversion channel 241.Trombone slide 100 is rotatablely connected with head body 200.
Above-mentioned rotary nozzle, each injection stream sprayed in spray orifice 242 that turns to generate rotating Vortex power to head body 200 Square, to when in use, by with hold it is tight, clamp or fix by other means trombone slide 100 with machine, fluid is from trombone slide 100 input end 110 enters, and the outlet end 120 through trombone slide 100 enters diversion channel 241, is finally sprayed from steering spray orifice 242. Head body 200 can be under the action of injection stream relative to the automatic quickly rotation of trombone slide 100, and then realizes and spray in all directions Work.Above-mentioned rotary nozzle just can be realized by trombone slide 100 and head body 200 sprays work in all directions, has structure letter Single, feature at low cost, and can be achieved with automatic rotary spray without motor driving.Therefore, above-mentioned rotary nozzle can be realized Efficient oil spout or spray, effectively reduce cost.
Wherein, diversion channel 241 can play the function of transitional fluid, orderly uniform so as to the fluid that will enter from trombone slide 100 Ground is distributed to steering spray orifice 242.
Further, as shown in Figure 1, Figure 2 and Figure 4, head body 200 is rotary structure.The outside of head body 200 It is provided with multiple notches 210.Each notch 210 is circumferentially opened up along head body 200.Convex block 220 is formed between two neighboring notch 210. Spray orifice 242 is turned to be opened on convex block 220.Head body 200 is rotary structure, to improve the stabilization of rotary nozzle rotation Property, using more convenient, spray is more uniform.The setting of notch 210 can mitigate the weight of head body 200.
Specifically, as shown in Figure 1, Figure 2 and Figure 4, the outside of head body 200 is equidistantly opened up there are four notch 210.Often Spray orifice 242 is turned to there are one being opened up on a convex block 220.Four notches 210 equidistantly open up, and can so form one generally Centrosymmetric head body 200 is more uniform to spray to further increase the stability of rotation.
Further, as shown in figure 4, it includes transitional pore 2421 and spray-hole 2422 to turn to spray orifice 242.Spray-hole 2422 is logical Transitional pore 2421 is crossed to be connected to diversion channel 241.The ejection end of spray-hole 2422 is opened on the side wall of notch 210.Spray-hole Tangential direction when 2422 opening direction is rotated with head body 200 is consistent.The opening direction of spray-hole 2422 and nozzle sheet Tangential direction when body 200 rotates is consistent, and so efficiently can directly convert the reaction force that injection stream generates to makes spray The active force that head ontology 200 rotates accelerates the rotating speed of head body 200 to increase turning moment, improves spray efficiency.For Facilitate explanation, the both ends of spray-hole 2422 are divided into ejection end and are connected to end.The opening direction of spray-hole 2422 is namely sprayed The center line direction of perforation 2422, tangential direction when head body 200 rotates are to be revolved at connection end in head body 200 The tangential direction turned, the tangential direction when opening direction of spray-hole 2422 is rotated with head body 200 is consistent namely to spray The center line in hole 2422 is parallel with the tangent line of rotation at end is connected in head body 200.
Preferably, as shown in figure 4, transitional pore 2421 is arranged along the radial direction of head body 200.The ejection end of spray-hole 2422 The side wall of place notch 210 is parallel to the central axis of transitional pore 2421 and head body 200 simultaneously.Spray-hole 2422 perpendicular to The side wall of notch 210 where the ejection end of spray-hole 2422.The two side walls of notch 210 are arranged in obtuse angle.
Specifically, as shown in Figure 1 to Figure 3, head body 200 includes spill spin block 230 and nozzle block 240.Spill spin block 230 Middle part is provided with first through hole 231.The wall surface of first through hole 231 is equipped with first annular raised 232.Diversion channel 241 is opened in spray On mouth block 240.Spray orifice 242 is turned to be opened in nozzle block 240.Spill spin block 230 is connected in nozzle block 240.Trombone slide 100 is opened Mouth end is equipped with the second annular protrusion 130.Second annular protrusion 130 is engaged with first annular raised 232.Spill spin block 230 with Trombone slide 100 is rotatably connected.Head body 200 is designed as spill spin block 230 and nozzle block 240, easily can process to be formed Spray orifice 242 and diversion channel 241 are turned to, while facilitating the assembly connection of trombone slide 100 and head body 200.
Further, as shown in figures 1 and 3, the bottom wall of diversion channel 241 is equipped with pillar 243.The top of pillar 243 with Gap is equipped between second annular protrusion 130.The setting of pillar 243 can enhance the Fluid pressure in rotary nozzle so that turn The fluid flow rate sprayed into spray orifice 242 is accelerated, and then improves the rotating speed of head body 200, realizes higher spray efficiency.
Specifically, as shown in figures 1 and 3, spill spin block 230 is rotatablely connected by bearing 300 and trombone slide 100.Spill spin block 230 On be connected with pressing plate 250.Bearing 300 is pressed between pressing plate 250 and first annular raised 232.It is, pressing plate 250 plays pressure Fill the effect of fixing bearing 300.Wherein, bearing 300 is set in the outside of trombone slide 100, and annular groove, bearing are provided on trombone slide 100 300 are fixed by snap ring 400 and 100 screens of trombone slide, the wall surface mistake in the outside and first through hole 231 on spill spin block 230 of bearing 300 It is full of cooperation.
Further, as shown in figures 1 and 3, rotary nozzle further includes shield 500.One end of shield 500 is equipped with mounting groove 510.The slot bottom of mounting groove 510 is provided with the second through-hole 520.Trombone slide 100 is threaded through in the second through-hole 520, and the outlet of trombone slide 100 End 120 is located in mounting groove 510.Head body 200 is arranged in mounting groove 510, turns to spray orifice 242 and is located at mounting groove 510 Outside, and head body 200 can the rotation of shield vis 500.500 one side of shield plays the role of aesthetic appeal, on the other hand It can also prevent a small amount of mist of oil that the gap between head body 200 and trombone slide 100 leaks out from distributing outward.Preferably, trombone slide 100 with Without relative rotation between shield 500.Shield 500 is preferably nylon shield 500.
Further, as shown in figures 1 and 3, shield 500 is equipped with anti-collision ring 600.Anti-collision ring 600 is along mounting groove 510 Notch is arranged.
As shown in figure 5, a kind of fueling injection equipment, including oil feeder 700, gas supply mechanism 800, oil-gas mixer 900 and above-mentioned Rotary nozzle.Oil feeder 700 is connect by oil pipe with oil-gas mixer 900.Gas supply mechanism 800 passes through tracheae and oil-gas mixer 900 connections.Oil-gas mixer 900 is connect by pipeline with the input end 110 of trombone slide 100.
Above-mentioned fueling injection equipment will be oily using the air source of gas supply mechanism 800 in oil feeder 700 fuel feeding to oil-gas mixer 900 Oil in gas mixer 900 dispels to form mist of oil, and mist of oil sprays after reaching rotary nozzle from rotary nozzle, carries out rotation oil spout. Therefore, above-mentioned fueling injection equipment can realize efficient oil spout, effectively reduce cost.
Wherein, the input end of trombone slide 100 is equipped with connector, which is used for and piping connection.
Preferably, nozzle block 240 is aluminum nozzle block 240.Spill spin block 230 is aluminum spill spin block 230.Pressing plate 250 is aluminium Pressing plate 250 processed.To mitigate weight, rotational resistance is reduced.
Need to illustrate when, can also be along 200 diameter of head body in head body 200 other than opening up and turning to spray orifice 242 To opening up more spray apertures etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of rotary nozzle, which is characterized in that including trombone slide and head body;There is diversion channel and more in the head body A steering spray orifice, the steering spray orifice are connected to the diversion channel, and the steering spray orifice produces the head body for spraying The injection stream of raw rotating Vortex torque;The both ends of the trombone slide are respectively inlet end and an outlet end, the outlet end of the trombone slide with The diversion channel connection, the trombone slide are rotatablely connected with the head body.
2. rotary nozzle according to claim 1, which is characterized in that the head body is rotary structure;The spray Multiple notches are provided on the outside of head ontology, each notch is circumferentially opened up along the head body, between the two neighboring notch Form convex block;The steering spray orifice is opened on the convex block.
3. rotary nozzle according to claim 2, which is characterized in that the outside of the head body equidistantly offers four A notch, opens up that there are one the steering spray orifices on each convex block.
4. rotary nozzle according to claim 2, which is characterized in that the steering spray orifice includes transitional pore and spray-hole, The spray-hole is connected to by the transitional pore with the diversion channel, and the ejection end of the spray-hole is opened in the side of the notch On wall, the tangential direction when opening direction of the spray-hole is rotated with the head body is consistent.
5. according to claim 1-4 any one of them rotary nozzles, which is characterized in that the head body include spill spin block and Nozzle block;First through hole is provided in the middle part of the spill spin block, the wall surface of the first through hole is equipped with first annular protrusion;It is described Diversion channel is opened in the nozzle block, and the steering spray orifice is opened in the nozzle block, and the spill spin block is connected to described In nozzle block;The open end of the trombone slide is equipped with the second annular protrusion, second annular protrusion and the first annular protrusion It is engaged;The spill spin block is rotatably connected with the trombone slide.
6. rotary nozzle according to claim 5, which is characterized in that be equipped with pillar, institute in the middle part of the bottom wall of the diversion channel It states and is equipped with gap between the top of pillar and second annular protrusion.
7. rotary nozzle according to claim 5, which is characterized in that the spill spin block is rotated by bearing and the trombone slide Connection;Pressing plate is connected on the spill spin block, the bearing is pressed between the pressing plate and the first annular protrusion.
8. according to claim 1-4 any one of them rotary nozzles, which is characterized in that further include shield;The one of the shield End is equipped with mounting groove, and the slot bottom of the mounting groove is provided with the second through-hole;The trombone slide is threaded through in second through-hole, and described The outlet end of trombone slide is located in the mounting groove;The head body is arranged in the mounting groove, and the steering spray orifice is located at The outside of the mounting groove, and the head body can be rotated relative to the shield.
9. rotary nozzle according to claim 8, which is characterized in that the shield is equipped with anti-collision ring, the anti-collision ring Notch along the mounting groove is arranged.
10. a kind of fueling injection equipment, which is characterized in that including oil feeder, gas supply mechanism, oil-gas mixer and such as claim 1-9 Any one of them rotary nozzle, the oil feeder are connect by oil pipe with the oil-gas mixer, and the gas supply mechanism passes through Tracheae is connect with the oil-gas mixer, and the oil-gas mixer is connect by pipeline with the input end of the trombone slide.
CN201721633118.3U 2017-11-29 2017-11-29 Rotary nozzle and fueling injection equipment Active CN207786850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721633118.3U CN207786850U (en) 2017-11-29 2017-11-29 Rotary nozzle and fueling injection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721633118.3U CN207786850U (en) 2017-11-29 2017-11-29 Rotary nozzle and fueling injection equipment

Publications (1)

Publication Number Publication Date
CN207786850U true CN207786850U (en) 2018-08-31

Family

ID=63286110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721633118.3U Active CN207786850U (en) 2017-11-29 2017-11-29 Rotary nozzle and fueling injection equipment

Country Status (1)

Country Link
CN (1) CN207786850U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277239A (en) * 2018-11-02 2019-01-29 安徽宏实自动化装备有限公司 A kind of Novel adjustable nozzle
CN111921759A (en) * 2020-08-27 2020-11-13 严高超 Paint spraying device for inner wall of pipeline
CN112604016A (en) * 2020-11-30 2021-04-06 东北大学 Spraying disinfection device
CN112690732A (en) * 2019-10-23 2021-04-23 宁波方太厨具有限公司 Water tank type cleaning machine and pot cleaning method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277239A (en) * 2018-11-02 2019-01-29 安徽宏实自动化装备有限公司 A kind of Novel adjustable nozzle
CN112690732A (en) * 2019-10-23 2021-04-23 宁波方太厨具有限公司 Water tank type cleaning machine and pot cleaning method
CN111921759A (en) * 2020-08-27 2020-11-13 严高超 Paint spraying device for inner wall of pipeline
CN112604016A (en) * 2020-11-30 2021-04-06 东北大学 Spraying disinfection device

Similar Documents

Publication Publication Date Title
CN207786850U (en) Rotary nozzle and fueling injection equipment
US11409894B2 (en) Fuel injection throttle body
CN102421532B (en) Projector and member for spraying a coating material, and spraying method using such a sprayer
CN109013124A (en) A kind of environment-friendly and energy-efficient pipe inner-wall spraying device
CN107321514B (en) A kind of solid cone shaped pressure atomized fog jet
WO2019100657A1 (en) Single-hole fuel atomization and injection device and front-facing atomization structure thereof
CN110976120B (en) Centrifugal paint nozzle for accelerating atomization by reverse airflow
CN107243206B (en) Flue gas scrubbing tower equipment
CN101406865A (en) Spray finishing device for bi-component nano material
CN102783476B (en) Spraying machine and air supply spraying device thereof
DE3340145A1 (en) TURNTABLE DISPENSER
US20200368769A1 (en) Method for spraying insulating mixed paint
US2110409A (en) Spray nozzle
CN1942252A (en) An adjustable and sealable jet nebuliser for bottles able to be elastically deformed by squeezing
CN205288758U (en) Dust removal shower nozzle
CN205253406U (en) Adjustable spray head structure
CN206276525U (en) One kind spray drying pipette tips component
CN107321513A (en) Modularization revolves cup
CN204074442U (en) A kind of inversion type paint spray structure
CN208416767U (en) A kind of engine nozzle
CN106733279A (en) One kind spray drying pipette tips component
CN201120325Y (en) Centrifugal gas-liquid mixing type nozzle
CN206276526U (en) One kind spray drying pipette tips component
CN206587943U (en) A kind of liquid film special-purpose sprayer shower nozzle
CN201195138Y (en) A nozzle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant