CN210875847U

CN210875847U - Spray head assembly suitable for electrostatic spraying

Info

Publication number: CN210875847U
Application number: CN201920909775.9U
Authority: CN
Inventors: 邓赛明
Original assignee: Zhejiang Kesai New Material Technology Co ltd
Current assignee: Zhejiang Kesai New Material Technology Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-06-30
Anticipated expiration: 2029-06-17

Abstract

The utility model belongs to the technical field of electrostatic spraying equipment, especially, relate to a shower nozzle subassembly suitable for electrostatic spraying. Including being the body that the column was made by polytetrafluoroethylene, body one end on seted up and send the liquid blind hole, be equipped with the positioning seat on the body other end, send the shower nozzle connection structure that is equipped with on the outer end in the liquid blind hole and is used for installing the shower nozzle, the body be close to one end outer wall of positioning seat on seted up annular liquid groove of crossing, annular liquid groove of crossing in be equipped with two at least along evenly distributed on the circumferential direction and wear to establish the body outer wall can with send the inlet of liquid blind hole intercommunication. Compared with the prior art, this shower nozzle subassembly suitable for electrostatic spraying's advantage lies in: 1. reasonable in design, sound construction reduces the maintenance cost.

Description

Spray head assembly suitable for electrostatic spraying

Technical Field

The utility model belongs to the technical field of electrostatic spraying equipment, especially, relate to a shower nozzle subassembly suitable for electrostatic spraying.

Background

Electrostatic spraying refers to a coating method in which atomized coating is negatively charged under the action of a high-voltage direct-current electric field by utilizing a corona discharge principle and is adsorbed on the surface of a positively charged substrate for discharge. The electrostatic spraying equipment comprises a spray gun, a spray cup, an electrostatic spraying high-voltage power supply and the like. In the prior art, a spray head of the spray gun is directly arranged on the spray gun, so that the spray gun is high in maintenance cost after being damaged, and the use cost is increased. Accordingly, there is a need for a spray head assembly that facilitates installation of the spray head and that provides for paint delivery.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, sound construction reduces the shower nozzle subassembly that is applicable to electrostatic spraying of maintenance cost.

In order to achieve the purpose, the sprayer assembly suitable for electrostatic spraying is characterized by comprising a columnar body made of polytetrafluoroethylene, wherein one end of the body is provided with a liquid feeding blind hole, the other end of the body is provided with a positioning seat, the outer end in the liquid feeding blind hole is provided with a sprayer connecting structure used for installing a sprayer, the outer wall of one end, close to the positioning seat, of the body is provided with an annular liquid passing groove, and the annular liquid passing groove is internally provided with at least two liquid inlets which are uniformly distributed in the circumferential direction and can be communicated with the liquid feeding blind hole in a penetrating mode and penetrate through the outer wall of the body.

In the above nozzle assembly suitable for electrostatic spraying, the positioning seat includes a positioning ring disposed at the other end of the body, and two positioning ports are symmetrically disposed at the outer end of the positioning ring.

In the above nozzle assembly suitable for electrostatic spraying, the peripheral portion of the body is further provided with an annular positioning groove, and the annular positioning groove is located on one side of the annular liquid passing groove, which is far away from the positioning seat.

In the above nozzle assembly suitable for electrostatic spraying, the nozzle connecting structure includes a limiting inner step disposed in the liquid feeding blind hole and located at the outer end, and the limiting inner step is provided with an internal thread for connecting with the nozzle.

In the above nozzle assembly suitable for electrostatic spraying, the annular liquid passing groove is internally provided with three liquid inlets which are uniformly distributed in the circumferential direction and penetrate through the outer wall of the body and can be communicated with the liquid feeding blind hole.

In the above nozzle assembly suitable for electrostatic spraying, the width of the annular liquid passing groove is larger than the inner diameter of the liquid inlet.

In the above nozzle assembly suitable for electrostatic spraying, the ratio of the width of the annular liquid passing groove to the inner diameter of the liquid inlet is 1.8: 1.

in the above nozzle assembly suitable for electrostatic spraying, the annular positioning groove is formed in the peripheral portion of the body at the inner end of the limiting inner step.

Compared with the prior art, this shower nozzle subassembly suitable for electrostatic spraying's advantage lies in: 1. reasonable in design, sound construction reduces the maintenance cost. 2. The installation is convenient, has improved assembly efficiency. 3. The paint trafficability is good, and the spraying effect is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a schematic structural view of the limiting inner step provided by the present invention.

Fig. 3 is a schematic structural diagram of another viewing angle provided by the present invention.

Fig. 4 is a schematic structural diagram of the positioning hole provided by the present invention.

In the figure, a body 1, a liquid feeding blind hole 2, a positioning seat 3, a spray head connecting structure 4, an annular liquid passing groove 5, a liquid inlet 51, a positioning ring 31, a positioning port 32, an annular positioning groove 6, a limiting inner step 41, an internal thread 42 and a liquid inlet 51 are arranged.

Detailed Description

As shown in fig. 1-4, this shower nozzle subassembly suitable for electrostatic spraying, including being the body 1 that the column is made by polytetrafluoroethylene, body 1 serves and has seted up on one and send liquid blind hole 2, be equipped with positioning seat 3 on the body 1 other end, send and be equipped with the shower nozzle connection structure 4 that is used for installing the shower nozzle on the outer end in the liquid blind hole 2, body 1 is close to and has seted up annular on the one end outer wall of positioning seat 3 and has crossed cistern 5, it is equipped with at least two along evenly distributed on the circumferential direction and wears to establish body 1 outer wall and can with send liquid inlet 51 that liquid blind hole 2 communicates to cross the cistern 5. The spray head is connected with the body 1 through the spray head connecting structure 4, the body 1 is installed on the spray gun, and the spray head connecting structure is damaged due to frequent maintenance and replacement of the spray head, so that the maintenance cost can be reduced after the scheme is adopted; the combination of the annular liquid passing groove 5 and at least two liquid inlets 51 is adopted, so that the supply of paint is guaranteed, and the spraying effect is guaranteed; the body is made of polytetrafluoroethylene, so that the service life is further prolonged, and the use cost is reduced.

More specifically, the positioning seat 3 comprises a positioning ring 31 disposed at the other end of the body 1, and two positioning openings 32 are symmetrically disposed at the outer end of the positioning ring 31. The two positioning holes 32 can be used for positioning to prevent the positioning socket 3 from rotating, thereby preventing the present invention 1 from rotating and shifting.

Preferably, the positioning ring 31 is integrally formed with the body 1.

In order to facilitate further fixing, an annular positioning groove 6 is further formed in the peripheral portion of the body 1, and the annular positioning groove 6 is located on one side, away from the positioning seat 3, of the annular liquid passing groove 5.

In order to facilitate replacement and maintenance and reduce maintenance cost, the nozzle connecting structure 4 comprises a limiting inner step 41 which is arranged in the liquid feeding blind hole 2 and located on the outer end, and an internal thread 42 used for being connected with the nozzle is arranged on the limiting inner step 41.

Preferably, three liquid inlets 51 which are uniformly distributed in the circumferential direction and penetrate through the outer wall of the body 1 to be communicated with the liquid feeding blind hole 2 are arranged in the annular liquid passing groove 5.

Preferably, the width of the annular liquid passing groove 5 is larger than the inner diameter of the liquid inlet 51.

Preferably, the ratio of the width of the annular liquid passing groove 5 to the inner diameter of the liquid inlet 51 is 1.8: 1.

in order to guarantee the structural strength, the annular positioning groove 6 is formed in the periphery of the body 1 at the inner end of the limiting inner step 41.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the body 1, the blind liquid feeding hole 2, the positioning seat 3, the nozzle connecting structure 4, the annular liquid passing groove 5, the liquid inlet 51, the positioning ring 31, the positioning port 32, the annular positioning groove 6, the inner limit step 41, the internal thread 42, the liquid inlet 51 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a shower nozzle subassembly suitable for electrostatic spraying, its characterized in that, is including being body (1) that the column was made by polytetrafluoroethylene, body (1) serve and has seted up and send liquid blind hole (2), be equipped with positioning seat (3) on body (1) other end, send the outer end in liquid blind hole (2) on be equipped with shower nozzle connection structure (4) that are used for installing the shower nozzle, body (1) be close to and seted up annular on the one end outer wall of positioning seat (3) and cross cistern (5), annular cross be equipped with two at least along on the circumferential direction evenly distributed and wear to establish body (1) outer wall can with send liquid blind hole (2) inlet (51) of intercommunication.

2. The spray head assembly for electrostatic spraying according to claim 1, wherein the positioning seat (3) comprises a positioning ring (31) disposed at the other end of the body (1), and two positioning openings (32) are symmetrically disposed at the outer end of the positioning ring (31).

3. The spray head assembly suitable for electrostatic spraying according to claim 1, wherein the body (1) further comprises an annular positioning groove (6) on the periphery, and the annular positioning groove (6) is located on one side of the annular liquid passing groove (5) away from the positioning seat (3).

4. The spray head assembly suitable for electrostatic spraying according to claim 3, wherein the spray head connecting structure (4) comprises a limiting inner step (41) arranged in the liquid feeding blind hole (2) and located at the outer end, and the limiting inner step (41) is provided with an inner thread (42) for connecting with the spray head.

5. The spray head assembly suitable for electrostatic spraying according to claim 1, 2 or 3, wherein three liquid inlets (51) are arranged in the annular liquid passing groove (5), are uniformly distributed along the circumferential direction, penetrate through the outer wall of the body (1), and can be communicated with the liquid feeding blind hole (2).

6. The spray head assembly suitable for electrostatic spraying according to claim 5 or the above, wherein the width of the annular liquid passing groove (5) is larger than the inner diameter of the liquid inlet (51).

7. The spray head assembly for electrostatic spraying according to claim 6 or claim, wherein the ratio of the width of the annular liquid passing groove (5) to the inner diameter of the liquid inlet (51) is 1.8: 1.

8. the spray head assembly suitable for electrostatic spraying according to claim 4 or claim, wherein the annular positioning groove (6) is formed in the peripheral portion of the body (1) at the inner end of the inner limiting step (41).