CN112497922A - Printing nozzle device suitable for ink-jet printer - Google Patents
Printing nozzle device suitable for ink-jet printer Download PDFInfo
- Publication number
- CN112497922A CN112497922A CN202011283542.6A CN202011283542A CN112497922A CN 112497922 A CN112497922 A CN 112497922A CN 202011283542 A CN202011283542 A CN 202011283542A CN 112497922 A CN112497922 A CN 112497922A
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- China
- Prior art keywords
- ink
- fixedly connected
- cavity
- pipe
- inner cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14193—Structure thereof only for on-demand ink jet heads movable member in the ink chamber
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- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The invention relates to the technical field of ink-jet printing, and discloses a printing nozzle device suitable for an ink-jet printer, which comprises a nozzle shell, wherein a high-voltage electrode deflection plate is fixedly connected to the middle lower part of an inner cavity of the nozzle shell, and a fixed clamping block is fixedly connected to the middle part of the inner cavity of the nozzle shell. This printing shower nozzle device suitable for inkjet printer, through the ink collecting pipe, the cooperation between S-shaped sliding tube and the ink droplet charging device, will advance too high voltage electrode deflection board and obtain when reacing ink collecting pipe left side top with higher speed to produce power and drive it and slide along ink collecting pipe and S-shaped sliding tube and change into centripetal force and slide to the inside of ink cavity along S-shaped sliding tube, and drive the toper driven plate through the ink that flows into again in the ink cavity and rotate, then promote to take place to slide between the inner wall of cleaning plate and ink cavity, thereby prevent that the ink from stewing, keep the homogeneity of ink concentration, improve the effect that inkjet printer printed out the typeface.
Description
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to a printing nozzle device suitable for an ink-jet printer.
Background
The ink-jet printing is that the vibration of a crystal vibration rod causes the jet flow of ink lines to split and then form ink drops, then the ink drops carry different electric quantities through a charging electrode, the charged ink drops enter an electric field and deflect under the action of electric field force, the electric quantities carried by the ink drops are different, the deflected positions are different, dot matrix characters or patterns are formed, and uncharged ink drops enter a recovery pipe.
When the existing ink-jet printer is used for printing, the characters to be printed are subjected to electric field formed by electrodes to carry out corresponding electric quantity, and then the electric field is deviated to a corresponding paper surface through the electric field force to form corresponding numerical symbols, however, uncharged ink drops vertically downwards do free-falling body motion along ink lines and then fall into a recovery tube, the existing ink in the recovery tube needs to be collected by a power device and then poured into an ink box, so that the production cost is increased, and the ink in the existing ink box mixes various raw materials according to a certain proportion, so that the ink solution on the side surface of the bottom of the inner cavity of the ink box can be solidified on the side wall in the using process, so that the concentration of the ink solution is uneven, the color depth (width) of the printed handwriting is easy to be uneven, and the effect of printing the font is influenced, when the ink is printed, the ink needs to be charged by external power, and certain electric charges push the ink drops to move, so that more electric power needs to be consumed, the kinetic energy generated by the dropped ink cannot be effectively utilized, and the running cost of the ink is increased.
Disclosure of Invention
The invention provides a printing nozzle device suitable for an ink-jet printer, which has the advantages of keeping the uniformity of ink concentration, improving the effect of printing characters by the ink-jet printer, effectively driving a guide block 55 to generate electric energy to supply power by kinetic energy generated by ink, effectively utilizing the energy and improving the energy saving performance of the ink-jet printer, solving the problems that when the existing ink-jet printer is used for printing, an electric field formed by a character to be printed is provided with corresponding electric quantity by an electrode, and then the electric field is deviated to a corresponding paper surface through the force of the electric field so as to form a corresponding digital symbol, while uncharged ink drops vertically downwards do free-falling motion along an ink line and then fall into a recovery tube, the existing ink in the recovery tube needs to be collected by a power device and then poured into an ink box, so that the production cost is increased, and various raw materials are mixed by the ink in the existing ink box according to a certain proportion, therefore in the use, the ink solution of ink cartridge inner chamber bottom side can solidify on the lateral wall, thereby cause the solution concentration of ink inhomogeneous, then make the writing colour depth (width) of printing out inhomogeneous easily, the effect of the typeface of printing out is influenced, and the ink is when printing out, need plus electric power to charge it, it removes to have certain electric charge promotion ink droplet, consequently need consume more electric power, can not carry out effectual utilization to the produced kinetic energy of the printing ink that drips, increase its running cost, the problem.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a printing nozzle device suitable for an ink-jet printer comprises a nozzle shell, a high-voltage electrode deflection plate fixedly connected with the middle lower part of the inner cavity of the nozzle shell, a fixed clamping block is fixedly connected at the middle part of the inner cavity of the spray head shell, an ink cavity is arranged above the fixed clamping block, the top of the ink cavity is fixedly connected with the top of the inner cavity of the spray head shell through a fixed pipe, an ink drop charging device and a charging detector are fixedly connected inside the fixed clamping block, the charging detector is positioned below the ink drop charging device, the high-voltage electrode deflection plate is positioned right below the fixed clamping block, the bottom of the ink cavity is fixedly connected with a nozzle plate, the middle part of the front surface of the ink cavity is fixedly provided with an ink dripping pipe, the bottom of ink dripping pipe runs through ink droplet charging device and fixed fixture block in proper order and extends to the bottom of fixed fixture block, the equal fixed connection in surface and fixed fixture block and the charging detector of ink dripping pipe.
Optionally, the right side of the inner cavity of the nozzle shell is fixedly connected with an ink collecting pipe through a fixing plate, an ink inlet of the ink collecting pipe and the bottom end of the ink dropping pipe are positioned in the same vertical straight line, the top end of the ink collecting pipe is fixedly connected with an S-shaped sliding pipe, and the top end of the S-shaped sliding pipe is in contact with the front surface of the ink drop charging device.
Optionally, the anti-adhesion device comprises an annular partition plate, a telescopic rod is fixedly connected to the middle of the lower surface of the annular partition plate, a fixed cylinder is arranged at the bottom of the telescopic rod, fixed cylinders are fixedly connected to the left side and the right side of the bottom of the fixed cylinder, and the bottoms of the two fixed cylinders are fixedly connected to the bottom of the inner cavity of the ink cavity.
Optionally, the equal fixedly connected with toper driven plate in upper and lower both sides at annular baffle top, the surface fixed connection of annular baffle has clean board, the outside of clean board contacts with the internal surface of china ink cavity, the top fixedly connected with of china ink cavity advances the china ink pipe, advances the top of china ink pipe and runs through the shower nozzle shell and extend to the top of shower nozzle shell, advance the outside of china ink pipe and the inside fixed connection of shower nozzle shell.
Optionally, the ink droplet charging device includes a charging electrode, an inner ring permanent magnet strip is fixedly connected to the middle of an inner cavity of the charging electrode, the inner side of the inner ring permanent magnet strip is movably connected to the outer surface of the ink droplet tube, a curved loop tube is fixedly connected to the inside of the charging electrode, the right end of the curved loop tube is communicated with the top end of the S-shaped sliding tube, the left end of the curved loop tube penetrates through the charging electrode and the ink cavity and extends into the ink cavity, the top end of the curved loop tube is communicated with the bottom of the ink cavity, an outer ring permanent magnet strip is fixedly connected to the outer side of the inner cavity of the curved loop tube, the top end of the curved loop tube is located right above the conical driven plate, a guide block is movably sleeved at the upper right side of the inner cavity of the curved loop tube, an iron strip is fixedly connected to the right side of the inner cavity.
The invention provides a printing nozzle device suitable for an ink-jet printer, which has the following beneficial effects:
1. this printing shower nozzle device suitable for inkjet printer, through the ink collecting pipe, the cooperation between S-shaped sliding tube and the ink droplet charging device, will advance too high voltage electrode deflection board and obtain when reacing ink collecting pipe left side top with higher speed to produce power and drive it and slide along ink collecting pipe and S-shaped sliding tube and change into centripetal force and slide to the inside of ink cavity along S-shaped sliding tube, and drive the toper driven plate through the ink that flows into again in the ink cavity and rotate, then promote to take place to slide between the inner wall of cleaning plate and ink cavity, thereby prevent that the ink from stewing, keep the homogeneity of ink concentration, improve the effect that inkjet printer printed out the typeface.
2. This print head device suitable for inkjet printer, through the ink collecting pipe, the cooperation between S-shaped slide pipe and the ink droplet charging device, when advancing too high voltage electrode deflection board and obtaining the decurrent printing ink droplet and pass curved shape ring canal, promote the guide block and rotate, thereby the induction magnetic induction line that produces between outer ring permanent magnetic stripe and the inner ring permanent magnetic stripe through the iron plate on the guide block cuts and produces induced-current and charge the charging electrode, thereby effectual kinetic energy that has with printing ink converts the guide block into and produces the electric energy and supply power, effectual energy utilizes, reduce inkjet printer 'S running cost simultaneously, improve inkjet printer' S energy-conservation nature.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of an ink droplet charging apparatus according to the present invention;
FIG. 3 is an enlarged view of the structure at A in the present invention;
FIG. 4 is a schematic top view of an ink droplet charging apparatus according to the present invention;
FIG. 5 is a schematic side view of the S-shaped slide tube according to the present invention;
FIG. 6 is a schematic bottom view of the anti-adhesion device of the present invention.
In the figure: 1. a nozzle housing; 2. an ink chamber; 3. fixing the fixture block; 4. a charging detector; 5. an ink droplet charging device; 51. a charging electrode; 52. a curved loop; 53. an outer ring permanent magnet strip; 54. an inner ring permanent magnet strip; 55. a guide block; 6. an ink collecting tube; 7. an anti-adhesion device; 71. an annular partition plate; 72. a telescopic rod; 73. a fixed cylinder; 74. a tapered driven plate; 75. cleaning the plate; 8. an ink dropping pipe; 9. an S-shaped sliding pipe; 10. a high voltage electrode deflection plate; 11. a nozzle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a printing nozzle device suitable for an inkjet printer includes a nozzle housing 1, and a high voltage electrode deflection plate 10 fixedly connected to a middle lower portion of an inner cavity of the nozzle housing 1, a fixed fixture block 3 fixedly connected to a middle portion of the inner cavity of the nozzle housing 1, an ink chamber 2 disposed above the fixed fixture block 3, a top portion of the ink chamber 2 fixedly connected to a top portion of the inner cavity of the nozzle housing 1 through a fixed tube, an ink droplet charging device 5 and a charging detector 4 fixedly connected to an inside of the fixed fixture block 3, the charging detector 4 disposed below the ink droplet charging device 5, the high voltage electrode deflection plate 10 disposed under the fixed fixture block 3, a nozzle plate 11 fixedly connected to a bottom portion of the ink chamber 2, an ink droplet tube 8 fixedly disposed in a middle portion of a front surface of the ink chamber 2, and a bottom end of the ink droplet tube 8 sequentially penetrating through the ink droplet charging device 5 and the fixed fixture block 3 and extending to a bottom portion of the fixed fixture block The outer surface of the ink dropping pipe 8 is fixedly connected with the fixed fixture block 3 and the charging detector 4, and the distance from the bottom end of the ink dropping pipe 8 to the lowest end of the ink collecting pipe 6 is two thirds of the distance from the lowest end of the ink collecting pipe 6 to the top end of the ink cavity 2.
Wherein, the right side of the inner cavity of the nozzle shell 1 is fixedly connected with an ink collecting pipe 6 through a fixing plate, the ink inlet of the ink collecting pipe 6 and the bottom end of an ink dropping pipe 8 are in the same vertical straight line, the top end of the ink collecting pipe 6 is fixedly connected with an S-shaped sliding pipe 9, the top end of the S-shaped sliding pipe 9 is contacted with the front surface of an ink drop charging device 5, a high-voltage electrode deflection plate 10 is advanced to obtain the accelerated downward ink drop which reaches the top end of the left side of the ink collecting pipe 6, power is generated to drive the ink drop to slide along the ink collecting pipe 6 and the S-shaped sliding pipe 9 and convert the ink drop into centripetal force and slide along the S-shaped sliding pipe 9 to the inside of the ink cavity 2, and the conical driven plate 74 is driven to rotate by the ink which flows into the ink cavity 2 again, then the cleaning plate 75 is pushed to slide along the inner wall of the ink cavity, the effect of printing out the font by the ink-jet printer is improved.
Wherein, antiseized device 7 is including annular partition plate 71, the middle part fixedly connected with telescopic link 72 of the lower surface of annular partition plate 71, the bottom of telescopic link 72 is provided with solid fixed cylinder 73, the equal fixedly connected with solid fixed cylinder 73 in the left and right sides of solid fixed cylinder 73 bottom, the bottom of two solid fixed cylinders 73 and the bottom fixed connection of ink cavity 2 inner chamber utilize the speed that the bottom of ink dripping pipe 8 produced to reach the ink collecting pipe 6 least significant end to strike for zero when sliding into to the top of ink cavity 2, guarantee then that it transports downwards and drive annular partition plate 71 and vibrate, avoid the solution concentration of ink inhomogeneous.
Wherein, the equal fixedly connected with toper driven plate 74 in the upper and lower both sides at annular baffle 71 top, the outer fixed surface of annular baffle 71 is connected with clean board 75, the outside of clean board 75 contacts with the internal surface of ink cavity 2, the ink pipe is advanced to the top fixedly connected with of ink cavity 2, and the top of advancing the ink pipe runs through shower nozzle shell 1 and extends to the top of shower nozzle shell 1, the outside of advancing the ink pipe and the inside fixed connection of shower nozzle shell 1 supply ink to the inside of ink cavity 2 through advancing the ink pipe, utilize clean board 75 to clear up the inner wall of ink cavity 2, prevent that the ink from deposiing, guarantee ink concentration's suitability.
Wherein, the ink drop charging device 5 comprises a charging electrode 51, the middle part of the inner cavity of the charging electrode 51 is fixedly connected with an inner ring permanent magnet strip 54, the inner side of the inner ring permanent magnet strip 54 is movably connected with the outer surface of the ink drop tube 8, the interior of the charging electrode 51 is fixedly connected with a curved ring tube 52, the right end of the curved ring tube 52 is communicated with the top end of an S-shaped sliding tube 9, the left end of the curved ring tube 52 penetrates through the charging electrode 51 and the ink cavity 2 and extends into the ink cavity 2, the top end of the curved ring tube 52 is communicated with the bottom of the ink cavity 2, the outer side of the inner cavity of the curved ring tube 52 is fixedly connected with an outer ring permanent magnet strip 53, the top end of the curved ring tube 52 is positioned right above a conical driven plate 74, the right upper right part of the inner cavity of the curved ring tube 52 is movably sleeved with a guide block 55, the, the bottom of the iron bar contacts with the inside of the curved annular tube 52, when the ink drops which enter the high-voltage electrode deflection plate 10 and accelerate downwards pass through the curved annular tube 52, the guide block 55 is pushed to rotate, then the induction magnetic induction lines generated between the outer ring permanent magnetic bar 53 and the inner ring permanent magnetic bar 54 are cut by the iron block on the guide block 55 so as to generate induction currents to charge the charging electrode 51, so that the kinetic energy generated by the ink can drive the guide block 55 to generate electric energy for supplying power, the effective energy is utilized, the running cost of the ink-jet printer is reduced, and the energy conservation of the ink-jet printer is improved.
Firstly, a worker fills ink into an ink inlet pipe fixedly connected with the top of an ink cavity 2, the filled ink is about three quarters of the volume of the ink cavity 2, then the ink which is made into a free-falling body slides into an ink collecting pipe 6 in the printing process, when the ink reaches the top end of the left side of the ink collecting pipe 6, power is generated to drive the ink collecting pipe 6 and an S-shaped sliding pipe 9 to slide along the ink collecting pipe 6 and the S-shaped sliding pipe 9 and convert the ink into centripetal force, the ink slides into the ink cavity 2 along the S-shaped sliding pipe 9, a conical driven plate 74 is driven to rotate by the ink which flows into the ink cavity 2 again, then the cleaning plate 75 is driven to slide with the inner wall of the ink cavity 2, so that the ink is prevented from standing, the uniformity of the ink concentration is kept, when the ink drops which enter a high-voltage electrode deflection plate 10 and accelerate downwards pass through a curved annular pipe 52, then, the induction magnetic induction lines generated between the outer ring permanent magnetic strips 53 and the inner ring permanent magnetic strips 54 are cut by the iron blocks on the guide block 55, so that induction currents are generated to charge the charging electrode 51, kinetic energy generated by the ink drives the guide block 55 to generate electric energy for supplying power, the effective energy is utilized, and the utilization efficiency of the energy is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a print shower nozzle device suitable for ink jet printer, includes shower nozzle shell (1), and the well below fixedly connected with high voltage electrode deflection board (10) of shower nozzle shell (1) inner chamber, its characterized in that: the middle part of the inner cavity of the sprayer shell (1) is fixedly connected with a fixed clamping block (3), an ink cavity (2) is arranged above the fixed clamping block (3), the top of the ink cavity (2) is fixedly connected with the top of the inner cavity of the sprayer shell (1) through a fixed pipe, the inner part of the fixed clamping block (3) is fixedly connected with an ink droplet charging device (5) and a charging detector (4), the charging detector (4) is positioned below the ink droplet charging device (5), a high-voltage electrode deflection plate (10) is positioned under the fixed clamping block (3), the bottom of the ink cavity (2) is fixedly connected with a nozzle plate (11), an ink dripping pipe (8) is fixedly arranged in the middle part of the front surface of the ink cavity (2), the bottom of the ink dripping pipe (8) sequentially penetrates through the ink droplet charging device (5) and the fixed clamping block (3) and extends to the bottom of the fixed clamping block (3), the outer surface of the ink dropping pipe (8) is fixedly connected with the fixed clamping block (3) and the inner part of the charging detector (4).
2. A print head assembly adapted for use in an ink jet printer according to claim 1, wherein: the right side of the inner cavity of the sprayer housing (1) is fixedly connected with an ink collecting pipe (6) through a fixing plate, the ink inlet of the ink collecting pipe (6) and the bottom end of the ink dropping pipe (8) are positioned in the same vertical straight line, the top end of the ink collecting pipe (6) is fixedly connected with an S-shaped sliding pipe (9), and the top end of the S-shaped sliding pipe (9) is in contact with the front surface of the ink drop charging device (5).
3. A print head assembly adapted for use in an ink jet printer according to claim 1, wherein: the anti-adhesion device (7) comprises an annular partition plate (71), a telescopic rod (72) is fixedly connected to the middle of the lower surface of the annular partition plate (71), a fixed cylinder (73) is arranged at the bottom of the telescopic rod (72), fixed cylinders (73) are fixedly connected to the left side and the right side of the bottom of the fixed cylinder (73), and the bottom ends of the two fixed cylinders (73) are fixedly connected with the bottom of the inner cavity of the ink cavity (2).
4. A print head assembly adapted for use in an ink jet printer according to claim 3, wherein: the equal fixedly connected with toper driven plate (74) in upper and lower both sides at annular baffle (71) top, the outer fixed surface of annular baffle (71) is connected with clean board (75), the outside of clean board (75) contacts with the internal surface of ink cavity (2), the top fixedly connected with of ink cavity (2) advances the china ink pipe, advances the top of china ink pipe and runs through shower nozzle shell (1) and extend to the top of shower nozzle shell (1), advance the outside of china ink pipe and the inside fixed connection of shower nozzle shell (1).
5. A print head assembly adapted for use in an ink jet printer according to claim 2, wherein: the ink drop charging device (5) comprises a charging electrode (51), an inner ring permanent magnet strip (54) is fixedly connected to the middle of an inner cavity of the charging electrode (51), the inner side of the inner ring permanent magnet strip (54) is movably connected with the outer surface of an ink drop tube (8), a curved ring tube (52) is fixedly connected to the interior of the charging electrode (51), the right end of the curved ring tube (52) is communicated with the top end of an S-shaped sliding tube (9), the left end of the curved ring tube (52) penetrates through the charging electrode (51) and an ink cavity (2) and extends into the ink cavity (2), the top end of the curved ring tube (52) is communicated with the bottom of the ink cavity (2), an outer ring permanent magnet strip (53) is fixedly connected to the outer side of the inner cavity of the curved ring tube (52), and the top end of the curved ring tube (52) is positioned right above a conical driven plate (74), the guide block (55) is movably sleeved at the upper right part of the inner cavity of the curved ring pipe (52), an iron strip is fixedly connected to the right side of the inner cavity of the guide block (55), and the bottom of the iron strip is in contact with the inside of the curved ring pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283542.6A CN112497922A (en) | 2020-11-17 | 2020-11-17 | Printing nozzle device suitable for ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283542.6A CN112497922A (en) | 2020-11-17 | 2020-11-17 | Printing nozzle device suitable for ink-jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112497922A true CN112497922A (en) | 2021-03-16 |
Family
ID=74956440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283542.6A Withdrawn CN112497922A (en) | 2020-11-17 | 2020-11-17 | Printing nozzle device suitable for ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112497922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320233A (en) * | 2022-09-30 | 2022-11-11 | 何军静 | Shower nozzle based on mask version printing |
-
2020
- 2020-11-17 CN CN202011283542.6A patent/CN112497922A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320233A (en) * | 2022-09-30 | 2022-11-11 | 何军静 | Shower nozzle based on mask version printing |
| CN115320233B (en) * | 2022-09-30 | 2023-12-12 | 何军静 | Shower nozzle based on mask printing |
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Application publication date: 20210316 |