CN112807114B - Pneumatic sand blasting machine - Google Patents
Pneumatic sand blasting machine Download PDFInfo
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- CN112807114B CN112807114B CN202110047977.9A CN202110047977A CN112807114B CN 112807114 B CN112807114 B CN 112807114B CN 202110047977 A CN202110047977 A CN 202110047977A CN 112807114 B CN112807114 B CN 112807114B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
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Abstract
The application relates to a pneumatic sand blasting machine, which comprises an M4 joint and a powder box component which are sequentially spliced, handle components and shower nozzle subassembly, handle components includes the handle shell and locates water pipe and powder pipe in the handle shell, the joint has the pipe positioning seat in the handle shell, the powder box subassembly includes the powder box, the one end that the powder box is close to handle components is equipped with powder box rear end interface benefit core, it has handle tail end joint to peg graft in the handle shell, it has the d inlet opening to run through in the powder box rear end interface benefit core, the water pipe runs through the pipe positioning seat and inserts to powder box rear end interface benefit in-core and communicate with the d inlet opening, the one end that the water pipe is located the pipe positioning seat is fixed with the water pipe end, the water pipe end supports tightly through sealing washer and pipe positioning seat internal perisporium, the shower nozzle subassembly includes the shower nozzle body, the shower nozzle body runs through the delivery pipe and keeps away from pipe positioning seat one end male e apopore and supply powder pipe male e venthole. This application has the effect of pneumatic sand blasting machine installation more easily.
Description
Technical Field
The application relates to the field of pneumatic sand blasting machines, in particular to a pneumatic sand blasting machine.
Background
The sand blasting tooth cleaning is to further clean the teeth by adding high pressure water to the pearl salt. Compared with ultrasonic tooth cleaning, the ultrasonic tooth cleaning device can vibrate large dental calculus in the oral cavity, sand blasting can clean tea dirt, smoke dirt and food soft dirt attached to teeth, the teeth sprayed with sand are very smooth and are not easy to deposit dental calculus again, so that the ultrasonic tooth cleaning and the sand blasting are carried out in a combined mode, and the effect is more ideal.
The pneumatic sand blasting machine comprises a nozzle assembly, a handle assembly, a powder box assembly and a powder inlet water assembly, wherein the powder inlet water assembly can be of the following types: the interface comprises a B2 interface main body assembly, an M4 interface main body assembly, a KV interface main body assembly and an NSK interface main body assembly. The powder water inlet assembly is internally connected with a gas pipe and a water pipe, and the gas pipe and the water pipe sequentially penetrate through the powder water inlet assembly, the powder box assembly, the handle assembly and the nozzle assembly.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the gas pipe and the water pipe run through the pneumatic sand blasting machine, when setting up the body of overlength, the body is worn and torn easily at high-pressure gas and high-pressure water flow in-process, and if the body breaks in the use wearing and tearing, managers are difficult to maintain or change the pipeline, simultaneously, need make the pipeline run through the sand blasting machine when installing the sand blasting machine, and the sand blasting machine volume is less, and the pipeline overlength makes the sand blasting machine difficult to install.
Disclosure of Invention
In order to make pneumatic sand blasting machine install more easily, this application provides a pneumatic sand blasting machine.
The application provides a pneumatic sand blasting machine adopts following technical scheme:
a pneumatic sand blasting machine comprises an M4 joint, a powder box component, a handle component and a spray head component which are sequentially spliced, the handle assembly comprises a handle shell, a water pipe and a powder pipe which are arranged in the handle shell, a pipe positioning seat is clamped in the handle shell, the powder box component comprises a powder box, one end of the powder box close to the handle component is provided with a powder box rear end interface refill, a handle tail end joint is inserted in the handle shell, a d water inlet hole penetrates through the patch core at the rear end joint of the powder box, the water pipe penetrates through the pipe positioning seat and is inserted into the powder box rear end interface supplement core and is communicated with the d water inlet hole, one end of the water pipe, which is positioned in the pipe positioning seat, is fixedly provided with a water pipe end socket which is tightly propped against the inner peripheral wall of the pipe positioning seat through a sealing ring, the spray head assembly comprises a spray head body, wherein the spray head body penetrates through an e water outlet hole formed in one end, far away from the pipe positioning seat, of the water supply pipe, and an e air outlet hole formed in one end, far away from the pipe positioning seat, of the water supply pipe.
By adopting the technical scheme, the holes for supplying water or gas can directly penetrate through the spray head body and the handle, and the spray head body and the handle are communicated through the water pipe and the powder pipe, so that the situation that the water pipe and the powder pipe are too long when the water pipe and the powder pipe penetrate through the spray head body and the handle is favorably reduced, the situation that the water pipe and the powder pipe both penetrate through the handle and the spray head body simultaneously when the water pipe and the powder pipe are installed is favorably reduced, and the water pipe and the powder pipe are easier to install; meanwhile, when the water pipe and the powder pipe are worn and broken, the water pipe and the powder pipe are easier to detach for replacement and maintenance.
Preferably, powder box an organic whole is connected with front end connecting cylinder and rear end connecting cylinder, it has powder box rear end interface benefit core to peg graft in the rear end connecting cylinder, powder box rear end interface benefit core is pegged graft and is had handle tail end joint, it has the water outlet channel to open in the powder box rear end interface benefit core, the water outlet channel runs through to the handle tail end joint in, the powder box subassembly is including going out the powder trombone slide, it communicates with the powder box inner chamber to go out the powder trombone slide, it is located water outlet channel to go out the powder trombone slide, d inlet opening and water outlet channel's lateral wall intercommunication.
Through adopting above-mentioned technical scheme, be favorable to reducing separately to set up water channel and go out the powder passageway, lead to the too big condition of volume of rear end connecting cylinder, simultaneously, water channel surrounds out the powder trombone slide, and the high-pressure gas and the powder in the play powder trombone slide take place the frictional heating with play powder trombone slide at the flow in-process, and the high pressure water is favorable to cooling out the heating tube wall of powder trombone slide, is favorable to reducing the condition that the powder trombone slide damaged, is favorable to reducing the condition that pneumatic sand blasting machine damaged.
Preferably, an annular water flow channel is arranged at one end of the handle tail end connector and surrounds the periphery of the powder pulling pipe, and the water outlet channel is communicated with the water inlet hole d through the water flow channel.
Through adopting above-mentioned technical scheme for the relative rear end connecting cylinder of handle components rotates the in-process of connecting, rivers passageway can keep the state with the apopore intercommunication all the time, thereby makes rivers keep the connected state, makes pneumatic sand blasting machine install more easily.
Preferably, the powder outlet pull pipe is a rigid pipe.
Through adopting above-mentioned technical scheme, be favorable to reducing the condition that takes place wearing and tearing in the contact of powder outlet trombone slide and high pressure water, be favorable to reducing the condition that the pipeline wearing and tearing of installing in pneumatic sand blasting machine are broken, be favorable to reducing the condition that needs to change the pipeline, maintain pneumatic sand blasting machine.
Preferably, a water-gas separation cylinder is arranged in the front end connecting cylinder, the water-gas separation cylinder is fixedly connected with the M4 connector in an inserted mode, and a water inlet hole b penetrate through the water-gas separation cylinder.
Through adopting above-mentioned technical scheme, the setting of aqueous vapor cylinder for rivers separately flow with the air current, are favorable to reducing the air current and carry moisture, lead to behind the gas entering powder box, and the condition that the pearl salt powder in the powder box is moist and then rotten is favorable to reducing the condition of the deposit caking of pearl salt powder in the powder box, is favorable to reducing the difficult abluent condition of powder box.
Preferably, an air inlet straight pipe is further inserted into the powder box, two ends of the air inlet straight pipe are respectively communicated with the powder box inner cavity and the air inlet hole b, and one end of the air inlet straight pipe, which is located in the powder box, is close to one end of the powder outlet pull pipe, which is located in the powder box.
Through adopting above-mentioned technical scheme, the straight tube intercommunication aqueous vapor separator and powder box admit air for gaseous lets in the powder box more easily, and gaseous pearl salt powder in the powder box pushes out the powder trombone slide after getting into the powder box, makes powder in the powder box and high-pressure gas mix the back and is spouted.
Preferably, a U-shaped water pipe penetrates through the powder box, the U-shaped water pipe is buried in the powder box, and the U-shaped water pipe is communicated with the water inlet hole b and the water outlet channel.
Through adopting above-mentioned technical scheme, U type water pipe buries underground in the powder box, is favorable to reducing when U type water pipe directly passes the powder box, and the friction takes place for highly-compressed gas and powder in U type water pipe and the powder box, and then leads to the condition of U type water pipe wearing and tearing, is favorable to protecting U type water pipe.
Preferably, the U-shaped water pipe is connected with the side wall of the water outlet channel.
Through adopting above-mentioned technical scheme for rivers flow around the circumference of play powder trombone slide more easily after getting into the exhalant canal, and if U type water pipe pegs graft in the tip of exhalant canal, require great to the radius of exhalant canal, lead to the condition of the volume increase of rear end connecting cylinder easily.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the holes for high-pressure water or high-pressure air to pass through which the water pipe and the powder pipe are arranged in the spray head body and the handle and are communicated with the spray head body and the handle through the water pipe and the powder pipe, the situation that the water pipe and the powder pipe are too long when the water pipe and the powder pipe penetrate through the spray head body and the handle is favorably reduced, the situation that the water pipe and the powder pipe both need to penetrate through the handle and the spray head body simultaneously when the water pipe and the powder pipe are installed is favorably reduced, and the water pipe and the powder pipe are easier to install; meanwhile, when the water pipe and the powder pipe are worn and broken, the water pipe and the powder pipe are easier to detach for replacement and maintenance;
2. through the arrangement of the annular water flow channel, in the process of rotationally connecting the handle and the rear end connecting cylinder, the water flow channel is always kept in a state of being communicated with the water outlet hole, so that the water flow is kept in a communicated state, and the pneumatic sand blasting machine is easier to install;
3. through the setting of U type water pipe in the powder box is buried underground, be favorable to reducing when U type water pipe directly passes the powder box, the friction takes place for high-pressure gas and powder in U type water pipe and the powder box, and then leads to the condition of U type water pipe wearing and tearing, is favorable to protecting U type water pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic sander according to the present application;
FIG. 2 is a schematic view for illustrating the structure of the M4 joint;
FIG. 3 is a schematic view for illustrating a structure of a water-gas separation cartridge;
FIG. 4 is a cross-sectional view of a pneumatic sander of the present application;
FIG. 5 is a schematic view for illustrating the structure of a cover pressing ring of the powder box;
FIG. 6 is a schematic view for illustrating the structure of the nozzle inner tube;
fig. 7 is a schematic view for illustrating the structure of the pipe positioning socket.
Description of reference numerals: 1. an M4 linker; 11. an interface housing; 12. a water inlet hole; 121. an atomized water-gas straight pipe; 13. a, air inlet holes; 131. an M-shaped air inlet straight pipe; 14. a cannula hole; 141. an M-shaped air return plug; 15. a six-hole sealing gasket; 2. a compact assembly; 21. powder box; 22. a front end connecting cylinder; 23. an air intake duct assembly; 231. an air inlet straight pipe; 232. an air intake guide cap; 233. a water-gas separation cylinder; 2331. b, air inlet holes; 2332. b, water inlet holes; 234. an air inlet pipe fixing seat; 235. a silica gel backstop; 236. a backstop joint; 24. a rear end connecting cylinder; 241. c, air outlet holes; 242. c, water outlet holes; 243. drawing the tube after powder discharge; 244. a powder feeding guide cap; 245. a water outlet channel; 246. the rear end interface of the powder box is repaired; 247. a water flow channel; 25. a powder box plastic cover; 26. pressing rings of the cover of the powder box; 261. a gasket; 262. a confinement ring; 3. a handle assembly; 31. a handle housing; 311. a tube positioning seat; 32. a handle tail end joint; 321. d air inlet holes; 322. d, water inlet holes; 4. a showerhead assembly; 41. a nozzle body; 411. e, water outlet; 412. e, air outlet holes; 42. a seal ring; 43. a nozzle inner tube; 44. a water pipe; 441. the end of the water pipe; 442. a water jet; 45. a powder tube; 451. a powder pipe joint; 5. a U-shaped water pipe; 51. and a water inlet pipe joint.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses pneumatic sand blasting machine.
Referring to fig. 1, a pneumatic sander comprises M4 fitting 1, compact assembly 2, handle assembly 3, and spray head assembly 4, all joined in sequence.
Referring to fig. 2, the connector housing 11 is sleeved outside the M4 connector 1, the M4 connector 1 penetrates through the a water inlet hole 12, the a air inlet hole 13 and the tube inserting hole 14, the atomized water vapor straight tubes 121 are inserted into the a water inlet hole 12, two of the a water inlet holes 12 are provided, and two of the atomized water vapor straight tubes 121 are provided corresponding to the a water inlet holes 12. An M-shaped air return plug 141 is inserted in the insertion hole 14, and an M-shaped air inlet straight pipe 131 is inserted in the air inlet hole 13. One end of the M4 joint 1 is provided with a six-hole sealing gasket 15, and the atomized water gas straight pipe 121, the M-shaped air return plug 141 and the M-shaped air inlet straight pipe 131 penetrate through the six-hole sealing gasket 15. The compact assembly 2 is located at the end of the M4 fitting 1 remote from the six-hole gasket 15.
Referring to fig. 1, the compact assembly 2 includes a compact 21. The both sides of powder box 21 are connected with front end connecting cylinder 22 and rear end connecting cylinder 24 respectively an organic whole, and the contained angle between front end connecting cylinder 22 and the rear end connecting cylinder 24 is greater than 90.
Referring to fig. 3 and 4, the front end connector 22 is provided with a water-gas separator 233, the water-gas separator 233 is inserted into the M4 connector 1, a b water inlet 2332 and a b air inlet 2331 penetrate through the water-gas separator 233, the b water inlet 2332 is communicated with the a water inlet 12, and the b air inlet 2331 is communicated with the a air inlet 13, so that water flow and air flow respectively flow in the water-gas separator 233. A non-return joint 236 is inserted into one end of the b air inlet hole 2331 far away from the M4 joint 1, the non-return joint 236 is tightly abutted against the inner peripheral wall of the b air inlet hole 2331 through two sealing rings 42, a silica gel non-return 235 is sleeved on one end of the non-return joint 236 far away from the water-gas separation cylinder 233, and an air inlet pipe assembly 23 is arranged at one end of the silica gel non-return 235 far away from the non-return joint 236.
Referring to fig. 3 and 4, an air inlet pipe assembly 23 is disposed in the front end connecting cylinder 22, the air inlet pipe assembly 23 includes an air inlet straight pipe 231 and an air inlet pipe fixing seat 234, the air inlet straight pipe 231 is inserted into one end of the air inlet pipe fixing seat 234, and a silica gel backstop 235 is inserted into the other end of the air inlet pipe fixing seat 234. The one end that the intake straight tube 231 kept away from intake pipe fixing base 234 is pegged graft and is had air inlet guide cap 232, and the intake straight tube 231 stretches into to the powder box 21 in. The gas enters the silica gel stopper 235 through the water-gas separating cylinder 233 and is introduced into the compact 21 through the gas inlet straight pipe 231.
Referring to fig. 3 and 4, a powder box rear end interface bushing 246 is inserted into the rear end connecting cylinder 24, a water outlet channel 245 is arranged at one end of the powder box rear end interface bushing 246 close to the powder box 21, a c air outlet hole 241 is arranged at the other end of the powder box rear end interface bushing 246, a powder outlet pull pipe 243 is inserted into the c air outlet hole 241, the powder outlet pull pipe 243 is communicated with the c air outlet hole 241, and the powder outlet pull pipe 243 and the air inlet straight pipe 231 are rigid pipes. The powder outlet pipe 243 penetrates through the water outlet passage 245 and extends into the powder box 21, and one end of the powder outlet pipe 243 in the powder box 21 is provided with a powder inlet guide cap 244. A gap for water to flow is formed between the outer peripheral wall of the powder outlet pull pipe 243 and the inner peripheral wall of the water outlet channel 245, a sealing ring 42 is sleeved on the powder outlet pull pipe 243, the sealing ring 42 is tightly abutted against the inner wall of the water outlet channel 245 for sealing, and the sealing ring 42 is positioned at one end of the water outlet channel 245 close to the powder box 21.
Referring to fig. 3 and 4, one end of the air inlet straight pipe 231, which is far away from the air inlet pipe fixing seat 234, is located in the powder box 21, and one end of the powder outlet pull pipe 243 and one end of the air inlet straight pipe 231, which is located in the powder box 21, are close to each other, so that after high-pressure gas enters the powder box 21 from the air inlet straight pipe 231, the high-pressure gas is mixed with powder, and high-pressure gas doped powder enters the powder outlet pull pipe 243.
Referring to fig. 3 and 4, a U-shaped water pipe 544 is further disposed in the bottom of the powder box 21, one end of the U-shaped water pipe 544 is fixedly communicated with a water inlet pipe joint 51, the water inlet pipe joint 51 is communicated with a water inlet hole 2332 b of the water-gas separation cylinder 233, and the water inlet pipe joint 51 is sealed with the water inlet hole 2332 b through a sealing ring 42, so that the atomized water-gas straight pipe 121 is communicated with the U-shaped water pipe 544. One end of the U-shaped water pipe 544 is inserted into one end of the powder box rear end interface bushing 246 close to the powder box 21, so that the U-shaped water pipe 544 is communicated with the water outlet channel 245, and water flows sequentially through the atomized water and gas straight pipe 121, the water and gas separating cylinder 233, the U-shaped water pipe 544 and the water outlet channel 245. The side wall of the water outlet channel 245 is provided with a c water outlet 242 arranged in the radial direction, and the c water outlet 242 is communicated with the water outlet channel 245.
Referring to fig. 5, the compact assembly 2 further includes a compact cover 25, the compact cover 25 is hemispherical, the outer peripheral wall of the compact cover 25 is integrally connected with a limit ring 262, the outer peripheral wall of the limit ring 262 is clamped with the inner side wall of the compact 21, the bottom wall of the limit ring 262 is flush with the bottom wall of the compact cover 25, the bottom end of the compact cover 25 is fixedly covered with a sealing gasket 261, the sealing gasket 261 covers the bottom wall of the limit ring 262, and the inner side wall of the compact 21 protrudes to form an inner ring (not shown in the figure) for clamping the sealing gasket 261 with the bottom end of the compact cover 25. The powder box cover 25 is further sleeved with a powder box cover pressing ring 26 for pressing the powder box cover 25 on the powder box 21, the powder box cover pressing ring 26 is in threaded connection with the outer side wall of the powder box 21, and the powder box cover pressing ring 26 presses the limiting ring 262.
Referring to fig. 6 and 7, the handle assembly 3 is provided to the rear end connecting cylinder 24 and is rotatably connected to the rear end connecting cylinder 24. The handle assembly 3 comprises a handle shell 31, a handle tail end connector 32 is inserted in the handle shell 31, one end of the rear end connecting cylinder 24, which is far away from the powder box 21, is inserted into one end of the handle tail end connector 32, the handle tail end connector 32 is inserted into the powder box rear end interface patch 246, the handle tail end connector 32 penetrates through a d air inlet hole 321 and a d water inlet hole 322, the d water inlet hole 322 is communicated with a water outlet channel 245, one end of the handle tail end connector 32, which faces the powder box rear end interface patch 246, is provided with an annular water flow channel 247, the water flow channel 247 is communicated with the water outlet channel 245, and the d water inlet hole 322 is communicated with the water flow channel 247. In the process of rotationally connecting the handle assembly 3 to the rear connecting cylinder 24, the water flow passage 247 can be always communicated with the d water inlet hole 322, so that the water flow can be kept in a communicated state.
Referring to fig. 7, the handle assembly 3 further includes a water tube 44 and a powder tube 45 disposed in the handle housing 31, and a tube positioning seat 311 for fixing the water tube 44 and the powder tube 45 is installed in the handle housing 31. The water pipe 44 penetrates through the pipe positioning seat 311 and is inserted into the powder box rear end interface patch core 246 and communicated with the d water inlet hole 322, a water pipe end 441 is fixed at one end of the water pipe 44 positioned in the pipe positioning seat 311, and the water pipe end 441 is tightly abutted to the inner peripheral wall of the pipe positioning seat 311 through a sealing ring 42.
Referring to fig. 6 and 7, the powder tube 45 is inserted into the air inlet hole 321 and penetrates through the tube positioning seat 311, the powder tube 45 penetrates through the tube positioning seat 311 and then communicates with the air outlet hole 241, a powder tube tip 451 is fixed at one end of the powder tube 45 located in the tube positioning seat 311, and the powder tube tip 451 is abutted against the inner peripheral wall of the tube positioning seat 311 through the sealing ring 42.
Referring to fig. 6 and 7, the nozzle assembly 4 includes a nozzle body 41, one end of the handle housing 31, which is far away from the rear end connecting cylinder 24, is adhered to the nozzle body 41 by glue 620, an e water outlet 411 through which the water supply pipe 44 is inserted and an e air outlet 412 through which the powder pipe 45 is inserted penetrate in the nozzle body 41, the water pipe 44 is communicated with the nozzle body 41 through the e water outlet 411, and the powder pipe 45 is communicated with the nozzle body 41 through the e air outlet 412. The end of the nozzle body 41 is provided with a water jet 442, and the water pipe 44 is communicated with the water jet 442; the nozzle inner tube 43 is inserted into the water jet 442, the outer wall of the nozzle inner tube 43 has a gap with the inner peripheral wall of the water jet 442, and the nozzle inner tube 43 communicates with the powder tube 45, so that the high-pressure water is finally ejected from the gap between the outer peripheral wall of the nozzle inner tube 43 and the inner peripheral wall of the water jet 442. At the same time, the pearl salt powder is sprayed from the nozzle inner tube 43 to the teeth, so that the water and the pearl salt powder separately flow in the pneumatic blasting machine and are finally sprayed from the nozzle body 41 at the same time.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a pneumatic sand blasting machine which characterized in that: including M4 joint (1), powder box subassembly (2), handle components (3) and shower nozzle subassembly (4) that splice in proper order, handle components (3) include handle shell (31) and locate water pipe (44) and powder pipe (45) in handle shell (31), the joint has pipe positioning seat (311) in handle shell (31), powder box subassembly (2) are including powder box (21), the one end that powder box (21) are close to handle components (3) is equipped with powder box rear end interface benefit core (246), it has handle tail end joint (32) to peg graft in handle shell (31), it has d inlet opening (322) to run through in powder box rear end interface benefit core (246), water pipe (44) run through pipe positioning seat (311) and insert in powder box rear end interface benefit core (246) and communicate with d inlet opening (322), one end that water pipe (44) are located pipe positioning seat (311) is fixed with water pipe end (441), the water pipe end (441) is abutted against the inner peripheral wall of the pipe positioning seat (311) through a sealing ring (42), the spray head assembly (4) comprises a spray head body (41), and an e water outlet hole (411) for inserting one end of a water supply pipe (44) far away from the pipe positioning seat (311) and an e air outlet hole (412) for inserting a powder pipe (45) penetrate through the spray head body (41);
the powder box (21) is integrally connected with a front end connecting cylinder (22) and a rear end connecting cylinder (24), the handle assembly (3) is arranged on the rear end connecting cylinder (24) and is rotationally connected with the rear end connecting cylinder (24), a powder box rear end interface bushing (246) is inserted in the rear end connecting cylinder (24), the powder box rear end interface bushing (246) is inserted with a handle tail end connector (32), a water outlet channel (245) is formed in the powder box rear end interface bushing (246), the water outlet channel (245) penetrates into the handle tail end connector (32), the powder box assembly (2) comprises a powder outlet pull pipe (243), the powder outlet pull pipe (243) is communicated with an inner cavity of the powder box (21), the powder outlet pull pipe (245) is positioned in the water outlet channel (245), and the d water inlet hole (322) is communicated with a side wall of the water outlet channel (245);
one end of the handle tail end connector (32) is provided with an annular water flow channel (247) around the periphery of the powder discharge pull pipe (243), and the water discharge channel (245) is communicated with the d water inlet hole (322) through the water flow channel (247).
2. A pneumatic blasting machine as claimed in claim 1, wherein: the powder outlet pull pipe (243) is a rigid pipe.
3. A pneumatic blasting machine as claimed in claim 1, wherein: a water-gas separation cylinder (233) is arranged in the front end connecting cylinder (22), the water-gas separation cylinder (233) is fixedly connected with the M4 joint (1) in an inserting mode, and a water inlet hole (2332) and a water inlet hole (2331) are formed in the water-gas separation cylinder (233) in a penetrating mode.
4. A pneumatic blasting machine according to claim 2, wherein: an air inlet straight pipe (231) is further inserted into the powder box (21), two ends of the air inlet straight pipe (231) are respectively communicated with an inner cavity of the powder box (21) and the b air inlet hole (2331), and one end, located in the powder box (21), of the air inlet straight pipe (231) is close to one end, located in the powder box (21), of the powder outlet pull pipe (243).
5. A pneumatic blasting machine according to claim 3, wherein: the powder box (21) is internally provided with a U-shaped water pipe (5) in a penetrating mode, the U-shaped water pipe (5) is embedded in the powder box (21), and the U-shaped water pipe (5) is communicated with a water inlet hole (2332) and a water outlet channel (245).
6. A pneumatic blasting machine according to claim 5, wherein: the U-shaped water pipe (5) is connected with the side wall of the water outlet channel (245).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047977.9A CN112807114B (en) | 2021-01-14 | 2021-01-14 | Pneumatic sand blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047977.9A CN112807114B (en) | 2021-01-14 | 2021-01-14 | Pneumatic sand blasting machine |
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| CN112807114A CN112807114A (en) | 2021-05-18 |
| CN112807114B true CN112807114B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110047977.9A Active CN112807114B (en) | 2021-01-14 | 2021-01-14 | Pneumatic sand blasting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113842235B (en) * | 2021-10-09 | 2023-04-18 | 李启超 | Dental sandblasting tooth cleaning system |
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|---|---|---|---|---|
| US5094615A (en) * | 1990-02-09 | 1992-03-10 | Young Dental Manufacturing Company | Dental polishing head and method |
| EP1145689A2 (en) * | 2000-04-13 | 2001-10-17 | Nakanishi Inc. | Dental handpiece for injecting therapeutic agent containing powders |
| CN101385886A (en) * | 2007-09-13 | 2009-03-18 | 株式会社中西 | Dental handpiece |
| WO2012123726A2 (en) * | 2011-03-11 | 2012-09-20 | Osspray Limited | Dental tip |
| CN110882071A (en) * | 2018-09-11 | 2020-03-17 | 杭州四方医疗器械有限公司 | Nozzle assembly of pneumatic dental sand blasting device |
-
2021
- 2021-01-14 CN CN202110047977.9A patent/CN112807114B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094615A (en) * | 1990-02-09 | 1992-03-10 | Young Dental Manufacturing Company | Dental polishing head and method |
| EP1145689A2 (en) * | 2000-04-13 | 2001-10-17 | Nakanishi Inc. | Dental handpiece for injecting therapeutic agent containing powders |
| CN101385886A (en) * | 2007-09-13 | 2009-03-18 | 株式会社中西 | Dental handpiece |
| WO2012123726A2 (en) * | 2011-03-11 | 2012-09-20 | Osspray Limited | Dental tip |
| CN110882071A (en) * | 2018-09-11 | 2020-03-17 | 杭州四方医疗器械有限公司 | Nozzle assembly of pneumatic dental sand blasting device |
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| CN112807114A (en) | 2021-05-18 |
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