CN214440103U

CN214440103U - Low-pressure high-efficiency SPR spiral structure without air nozzle

Info

Publication number: CN214440103U
Application number: CN202120137381.3U
Authority: CN
Inventors: 李庆华
Original assignee: Wuxi Siprui Industrial Technology Co ltd
Current assignee: Wuxi Siprui Industrial Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-22
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a high-effect no air nozzle SPR helical structure of low pressure, including communicating pipe, the protecting tube is installed to communicating pipe bottom, the sleeve pipe is installed at the communicating pipe top, protecting tube bottom fixedly connected with butt joint end cover, the equal fixedly connected with stopper in protecting tube inner wall both sides, two centre gripping fixedly connected with conveyer pipe between the stopper, the inlet is installed in the butt joint end cover to the conveyer pipe bottom, the inside retaining ring that is equipped with of butt joint end cover inlays, conveyer pipe top fixedly connected with infusion storehouse, the equal slope of protecting tube both sides is run through and is installed adjusting screw, adjusting screw one end is connected with the arc clamp plate in the protecting tube internal rotation, two one side in opposite directions of arc clamp plate respectively with infusion storehouse both sides looks butt joint, the intraductal turbulent flow cavity that is equipped with of cover. The utility model discloses it is convenient to load and unload, and overall structure stability is high, increase of service life, and the dynamics of low pressure spraying is strong, excellent in use effect.

Description

Low-pressure high-efficiency SPR spiral structure without air nozzle

Technical Field

The utility model relates to a high-effect airless nozzle SPR helical structure of low pressure specifically is in airless nozzle technical field.

Background

The electric spray gun and the airless sprayer are mainly used in household coating, the spraying area is relatively small in household coating, the current trend is to adopt the traditional airless spray nozzle to carry out concentrated small-area spraying, the internal structure of a common nozzle flow channel consists of two parts, wherein the first part is a spraying fluid feeding channel, and the second part is a spraying fluid atomization component. The interior of the spray fluid feed channel is controlled to be a generally circular through hole.

The existing low-pressure nozzle only can play a role in conveying the drainage of spraying fluid, so that the spraying force cannot be ensured, and the coating quality of the coating is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-effect no air nozzle SPR helical structure of low pressure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a low-pressure high-efficiency airless nozzle SPR spiral structure comprises a communicating pipe, wherein a protective pipe is installed at the bottom of the communicating pipe, a sleeve is installed at the top of the communicating pipe, a butt end cover is fixedly connected to the bottom of the protective pipe, limiting blocks are fixedly connected to two sides of the inner wall of the protective pipe, a conveying pipe is fixedly connected between the two limiting blocks in a clamping manner, a liquid inlet is installed in the butt end cover at the bottom end of the conveying pipe, a sealing check ring is embedded in the butt end cover, a transfusion cabin is fixedly connected to the top end of the conveying pipe, adjusting screws are obliquely and penetratingly installed on two sides of the protective pipe, one end of each adjusting screw is rotatably connected with an arc-shaped pressing plate in the protective pipe, one opposite sides of the two arc-shaped pressing plates are respectively abutted against two sides of the transfusion cabin, a turbulence chamber is arranged in the sleeve, a plurality of injection channels are arranged in the turbulence chamber, and the injection channels are spirally distributed along the vertical central line of the turbulence chamber, the shower nozzle is installed at the sleeve pipe top, shower nozzle internally mounted has the backing plate, backing plate bottom and turbulent flow cavity top are laminated mutually, and set up the orifice that docks mutually with jet passage on the backing plate, backing plate lateral wall fixedly connected with sealing ring, the shower nozzle inner wall is in the spacing fender ring of sealing ring top fixedly connected with, and just spacing fender ring inner wall contacts with turbulent flow cavity outer wall.

Preferably, the sleeve pipe surface is equipped with the external screw thread, communicating pipe internal surface be equipped with external screw thread assorted internal thread, and the sleeve pipe overcoat is equipped with the silica gel lasso, the silica gel lasso is located between sleeve pipe and communicating pipe.

Preferably, the bottom of the butt joint end cover is provided with a groove matched with the sealing retainer ring.

Preferably, the protective pipe is made of metal materials, and threaded holes matched with the adjusting screws are formed in the two sides of the protective pipe.

Preferably, the outer corner of the nozzle is arc-shaped.

Preferably, the inlet cross-sectional diameter of the injection channel is equal to the outlet cross-sectional diameter, and the outlet cross-sectional diameter of the injection channel is greater than the cross-sectional diameter of the central portion.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the communicating pipe is arranged, the butt joint of the protective pipe and the sleeve is convenient, the whole nozzle is convenient to assemble and disassemble, the protective pipe improves the protective capability of the main material conveying structure, the stability of the whole structure is improved, and the service life is prolonged;

2. the utility model discloses still set up turbulent flow cavity and backing plate simultaneously, can utilize a plurality of injection passage in the turbulent flow cavity to reduce the loss of coating process time pressure, let the even coating of coating on the object surface through the orifice again, the dynamics of low pressure spraying is strong, excellent in use effect.

Drawings

FIG. 1 is a schematic structural view of a low-pressure high-performance airless nozzle SPR spiral structure of the present invention;

FIG. 2 is an enlarged view of the helical structure of the low-pressure high-performance airless nozzle SPR of the present invention at the position A;

fig. 3 is an enlarged view of the position B of the low-pressure high-performance SPR helical structure of the present invention.

In the figure: 1. a communicating pipe; 2. a protective tube; 3. a sleeve; 4. end cover butt joint; 5. a limiting block; 6. a delivery pipe; 7. a liquid inlet; 8. a sealing retainer ring; 9. an infusion bin; 10. adjusting the screw rod; 11. an arc-shaped pressing plate; 12. a turbulent flow chamber; 13. an injection channel; 14. a spray head; 15. a base plate; 16. spraying a hole; 17. a seal ring; 18. and a limit stop ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a low-pressure high-efficiency SPR spiral structure of an airless nozzle comprises a communicating pipe 1, a protective pipe 2 is arranged at the bottom of the communicating pipe 1, a sleeve 3 is arranged at the top of the communicating pipe 1, external threads are arranged on the outer surface of the sleeve 3, internal threads matched with the external threads are arranged on the inner surface of the communicating pipe 1, a silica gel ferrule is sleeved outside the sleeve 3 and is positioned between the sleeve 3 and the communicating pipe 1, a butt end cover 4 is fixedly connected at the bottom of the protective pipe 2, stoppers 5 are fixedly connected on two sides of the inner wall of the protective pipe 2, a conveying pipe 6 is clamped and fixedly connected between the two stoppers 5, a liquid inlet 7 is arranged at the bottom end of the conveying pipe 6 in the butt end cover 4, a sealing check ring 8 is embedded in the butt end cover 4, a transfusion cabin 9 is fixedly connected at the top end of the conveying pipe 6, adjusting screws 10 are obliquely and penetratingly arranged on two sides of the protective pipe 2, one end of each adjusting screw 10 is rotatably connected with an arc-shaped pressing plate 11 in the protective pipe 2, the opposite sides of the two arc-shaped pressing plates 11 are respectively abutted against the two sides of the infusion bin 9, a turbulent flow chamber 12 is arranged in the sleeve 3, a plurality of injection channels 13 are arranged in the turbulent flow chamber 12, the plurality of injection channels 13 are spirally distributed along the vertical central line of the turbulent flow chamber 12, the loss of the pressure of the coating during passing is reduced by utilizing the plurality of spiral injection channels 13 in the turbulent flow chamber 12, the coating spraying nozzles 14 are uniformly coated on the surface of an object through spraying holes, the low-pressure spraying strength is strong, the nozzles 14 are arranged at the top of the sleeve 3, the backing plate 15 is arranged in the nozzles 14, the bottom of the backing plate 15 is attached to the top of the turbulent flow chamber 12, and the backing plate 15 is provided with a spray hole 16 butted with the spray channel 13, the outer side wall of the backing plate 15 is fixedly connected with a sealing ring 17, the inner wall of the spray head 14 is fixedly connected with a limit stop ring 18 above the sealing ring 17, and the inner wall of the limit stop ring 18 is contacted with the outer wall of the turbulent flow chamber 12.

The bottom of the butt end cover 4 is provided with a groove matched with the sealing retainer ring 8.

The protective tube 2 is made of metal materials, and threaded holes matched with the adjusting screws 10 are formed in the two sides of the protective tube 2.

The outer corners of the nozzle 14 are curved.

The inlet cross-sectional diameter of the injection channel 13 is equal to the outlet cross-sectional diameter, and the outlet cross-sectional diameter of the injection channel 13 is larger than the cross-sectional diameter of the central portion.

The working principle is as follows: the utility model discloses in, come to dock protecting tube 2 and sleeve pipe 3 through communicating pipe 1, communicating pipe 1 is used for the inside defeated material structure of intercommunication, it is convenient that whole nozzle loads and unloads, be favorable to follow-up maintenance to change the part, conveyer pipe 6 and infusion storehouse 9 are surrounded to protecting tube 2, promote the protective capacities to main defeated material structure, overall structure stability can improve, not fragile influence is defeated the material, increase of service life, after butt joint end cover 4 has connected external conveying pipe, coating sends into turbulent flow cavity 12 from infusion storehouse 9, a plurality of spiral helicine jet passage 13 in the reuse turbulent flow cavity 12 reduce the loss of coating pressure when passing through, let coating blowout shower nozzle 14 evenly coat on the object surface through the orifice again, the dynamics of low pressure spraying is strong, coating high quality, excellent in use effect.

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

1. The utility model provides a high-effect no air nozzle SPR helical structure of low pressure, includes communicating pipe (1), its characterized in that: the device comprises a communicating pipe (1), a protective pipe (2) is installed at the bottom of the communicating pipe (1), a sleeve (3) is installed at the top of the communicating pipe (1), a butt end cover (4) is fixedly connected to the bottom of the protective pipe (2), limit blocks (5) are fixedly connected to both sides of the inner wall of the protective pipe (2), a conveying pipe (6) is fixedly connected between the two limit blocks (5) in a clamping manner, a liquid inlet (7) is installed at the bottom end of the conveying pipe (6) in the butt end cover (4), a sealing check ring (8) is embedded in the butt end cover (4), an infusion bin (9) is fixedly connected to the top end of the conveying pipe (6), adjusting screws (10) are obliquely installed on both sides of the protective pipe (2) in a penetrating manner, an arc-shaped pressing plate (11) is rotatably connected to one end of the protective pipe (2), and two opposite sides of the arc-shaped pressing plates (11) are respectively abutted against both sides of the infusion bin (9), sleeve pipe (3) inside is equipped with turbulent chamber (12), a plurality of injection passage (13) have been seted up in turbulent chamber (12), and is a plurality of injection passage (13) distribute along turbulent chamber (12) vertical central line spiral, shower nozzle (14) are installed at sleeve pipe (3) top, shower nozzle (14) internally mounted has backing plate (15), backing plate (15) bottom is laminated with turbulent chamber (12) top mutually, and sets up orifice (16) that dock mutually with injection passage (13) on backing plate (15), backing plate (15) lateral wall fixedly connected with sealing ring (17), shower nozzle (14) inner wall is in sealing ring (17) top fixedly connected with spacing fender ring (18), and spacing fender ring (18) inner wall contacts with turbulent chamber (12) outer wall.

2. The low pressure high efficiency airless nozzle SPR spiral structure of claim 1, wherein: the utility model discloses a sleeve pipe, including sleeve pipe (3), communicating pipe (1), silica gel lasso, the outer surface of sleeve pipe (3) is equipped with the external screw thread, communicating pipe (1) internal surface be equipped with external screw thread assorted internal thread, and sleeve pipe (3) overcoat is equipped with the silica gel lasso, the silica gel lasso is located between sleeve pipe (3) and communicating pipe (1).

3. The low pressure high efficiency airless nozzle SPR spiral structure of claim 1, wherein: and the bottom of the butt end cover (4) is provided with a groove matched with the sealing retainer ring (8).

4. The low pressure high efficiency airless nozzle SPR spiral structure of claim 1, wherein: the protective pipe (2) is made of metal materials, and threaded holes matched with the adjusting screws (10) are formed in the two sides of the protective pipe (2).

5. The low pressure high efficiency airless nozzle SPR spiral structure of claim 1, wherein: the outer corner of the spray head (14) is arc-shaped.

6. The low pressure high efficiency airless nozzle SPR spiral structure of claim 1, wherein: the diameter of the inlet section of the injection channel (13) is equal to the diameter of the outlet section, and the diameter of the outlet section of the injection channel (13) is larger than the diameter of the section of the central part.