CN219271170U

CN219271170U - Sand blasting head

Info

Publication number: CN219271170U
Application number: CN202222916070.4U
Authority: CN
Inventors: 杨光; 熊玮强; 陈昌平
Original assignee: Guilin Walden Medical Technology Co ltd
Current assignee: Guilin Walden Medical Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-06-30
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a sand blasting head, wherein a nozzle cap is communicated with a nozzle base through a connecting pipe; the connecting pipe includes shower nozzle outer tube and shower nozzle inner tube, and the shower nozzle outer tube pipe box is established in shower nozzle inner tube outside, and has the clearance between shower nozzle outer tube and the shower nozzle inner tube, shower nozzle outer tube both ends respectively with shower nozzle base, nozzle cap fixed connection, shower nozzle inner tube one end runs through shower nozzle base and outside pipeline intercommunication, the other end communicates with the spout of nozzle cap, and the internal diameter diminishes, has seted up the guiding gutter in spout department. The beneficial effects of the utility model are as follows: when the sand blasting head works, water flows into a gap between the outer pipe and the inner pipe of the spray head, sand powder in the inner pipe of the spray head is mixed at a nozzle opening of the nozzle cap through a diversion trench on the inner pipe of the spray head, water continuously flows into the diversion trench, particles in the sand powder are dissolved, sand powder sprayed by the sand blasting head is uniformly mixed with the water, the sand powder can not fly, the treatment efficiency is improved, and meanwhile, the environmental pollution is reduced.

Description

Sand blasting head

Technical Field

The utility model relates to the technical field of dental treatment, in particular to a sand blasting head.

Background

When the common sand blasting head in the market is used, small particles in sand powder are not completely dissolved, and the sand powder can fly around when being sprayed out of the sand blasting head, so that the treatment effect is reduced, and the environment is also influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of improving the dissolving efficiency of sand powder when the sand blasting head is used.

The technical scheme for solving the technical problems is as follows:

the sand blasting head comprises a nozzle base, a connecting pipe and a nozzle cap, wherein the nozzle cap is communicated with the nozzle base through the connecting pipe; the connecting pipe includes shower nozzle outer tube and shower nozzle inner tube, and the shower nozzle outer tube pipe box is established in shower nozzle inner tube outside, and has the clearance between shower nozzle outer tube and the shower nozzle inner tube, shower nozzle outer tube both ends respectively with shower nozzle base, nozzle cap fixed connection, shower nozzle inner tube one end runs through shower nozzle base and outside pipeline intercommunication, the other end communicates with the spout of nozzle cap, and the internal diameter diminishes, has seted up the guiding gutter in spout department.

The beneficial effects of the utility model are as follows: when the sand blasting head works, water flows into a gap between the outer pipe and the inner pipe of the spray head, sand powder in the inner pipe of the spray head is mixed at a nozzle opening of the nozzle cap through a diversion trench on the inner pipe of the spray head, water continuously flows into the diversion trench, particles in the sand powder are dissolved, sand powder sprayed by the sand blasting head is uniformly mixed with the water, the sand powder can not fly, the treatment efficiency is improved, and meanwhile, the environmental pollution is reduced.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, one end of the connecting pipe, which is close to the nozzle cap, is of a bent pipe structure, and the bending angle is 110 degrees.

Further, the nozzle cap is of a conical structure, the taper angles at two sides are 22 degrees, the nozzle is of a two-section straight hole structure with the radius decreasing from inside to outside, the diameter of the outer straight hole is 0.7mm, the length is 1mm, and the inner taper angle at the joint of the two sections of straight holes is 60 degrees.

Further, the guiding gutter runs through the front end of shower nozzle inner tube, and the width of guiding gutter is 0.6mm, degree of depth is 1.3mm, and shower nozzle inner tube one end part that is provided with the guiding gutter sets up in the inboard straight hole of nozzle cap, and the depth of insertion is 0.6mm.

Further, the middle part of the spray head base is provided with threads, the spray head inner pipe is in threaded connection with the spray head base, and the tail part of the spray head base is sleeved with a plurality of sealing rings.

Drawings

FIG. 1 is a schematic view of a sand blasting head according to the present utility model;

FIG. 2 is a cross-sectional view of a blasting head of the present utility model;

FIG. 3 is a schematic view of a nozzle cap of a blasting head according to the present utility model;

FIG. 4 is a cross-sectional view of a nozzle cap of a blasting head of the present utility model;

fig. 5 is a schematic view of the inner tube of the nozzle of the blasting head according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the spray head comprises a spray head base, 2, a connecting pipe, 21, a spray head outer pipe, 22, a spray head inner pipe, 221, a diversion trench, 3, a nozzle cap, 4 and a sealing ring.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 5, a blasting head according to embodiment 1 of the present utility model includes a nozzle base 1, a connection pipe 2, and a nozzle cap 3, the nozzle cap 3 being communicated with the nozzle base 1 through the connection pipe 2; the connecting pipe 2 comprises a spray head outer pipe 21 and a spray head inner pipe 22, the spray head outer pipe 21 is sleeved outside the spray head inner pipe 22, a gap exists between the spray head outer pipe 21 and the spray head inner pipe 22, two ends of the spray head outer pipe 21 are fixedly connected with the spray head base 1 and the spray head cap 3 respectively, one end of the spray head inner pipe 22 penetrates through the spray head base 1 to be communicated with an external pipeline, the other end of the spray head inner pipe 22 is communicated with a nozzle of the spray head cap 3, and the inner diameter of the nozzle is reduced to be provided with a diversion trench 221.

When the sand blasting head works, water flows into a gap between the outer pipe 21 of the spray head and the inner pipe 22 of the spray head, sand powder in the inner pipe 22 of the spray head is mixed with sand powder in a nozzle of the spray cap 3 through the guide groove 221 on the inner pipe 22 of the spray head, water continuously flows into the guide groove 221, particles in the sand powder are dissolved, the sand powder sprayed by the sand blasting head is uniformly mixed with the water, the sand powder is not caused to fly, the treatment efficiency is improved, and meanwhile, the environmental pollution is reduced.

In the sand blasting head according to embodiment 2 of the present utility model, on the basis of embodiment 1, one end of the connecting pipe 2, which is close to the nozzle cap 3, is of a bent pipe structure, and the bending angle is 110 °. The connecting pipe 2 with the bent pipe structure can enable the angle to be smaller when the sand blasting head stretches into the oral cavity of a patient, so that a doctor can observe the cleaning condition of the gum of the patient conveniently.

According to the sand blasting head disclosed by the embodiment 3 of the utility model, on the basis of the embodiment 1, the nozzle cap 3 is of a conical structure, the taper angles at two sides are 22 degrees, the nozzle is of a two-section straight hole structure with the radius decreasing from inside to outside, the diameter of an outer straight hole is 0.7mm, the length is 1mm, and the inner taper angle at the joint of the two sections of straight holes is 60 degrees. Due to the two-section nozzle structure with the reduced radius, water and powder spraying can be extruded in the straight holes at the outer side due to the reduced aperture, so that the powder spraying and the water are further mixed, and the small particles in the powder spraying can be completely dissolved. In specific implementation, the diameter of the outer straight hole can be 0.6-0.8 mm, and the optimal diameter is 0.7mm, and the length can be 0.5-2 mm, and the optimal diameter is 1mm.

In the sandblasting head according to embodiment 4 of the present utility model, on the basis of embodiment 3, the diversion trench 221 penetrates the front end of the inner pipe 22 of the nozzle, the diversion trench 221 has a width of 0.6mm and a depth of 1.3mm, one end portion of the inner pipe 22 of the nozzle provided with the diversion trench 221 is disposed in the inner straight hole of the nozzle cap 3, and the insertion depth is 0.6mm. The inner nozzle pipe 22 fixed in the nozzle cap 3 can correct the position of the inner nozzle pipe 22 in the outer nozzle pipe 21, so that the inner nozzle pipe 22 is always positioned at the center of the outer nozzle pipe 21, and the continuous and stable water flow in the gap between the outer nozzle pipe 21 and the inner nozzle pipe 22 is ensured when the sand blasting head works.

In the sand blasting head of the embodiment 5 of the utility model, on the basis of the embodiment 1, the middle part of the nozzle base 1 is provided with threads, the nozzle inner pipe 22 is in threaded connection with the nozzle base 1, and the tail part of the nozzle base 1 is sleeved with a plurality of sealing rings 4. The sealing ring 4 can fill the gap between the sand blasting head base 1 and the external component, and can prevent air leakage.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The sand blasting head is characterized by comprising a nozzle base (1), a connecting pipe (2) and a nozzle cap (3), wherein the nozzle cap (3) is communicated with the nozzle base (1) through the connecting pipe (2); the connecting pipe (2) comprises a spray head outer pipe (21) and a spray head inner pipe (22), the spray head outer pipe (21) is sleeved outside the spray head inner pipe (22), a gap exists between the spray head outer pipe (21) and the spray head inner pipe (22), two ends of the spray head outer pipe (21) are respectively fixedly connected with the spray head base (1) and the spray head cap (3), one end of the spray head inner pipe (22) penetrates through the spray head base (1) and is communicated with an external pipeline, the other end of the spray head inner pipe is communicated with a spray nozzle of the spray head cap (3), and the inner diameter of the spray nozzle is reduced, and a guide groove (221) is formed in the spray nozzle.

2. A blasting head according to claim 1, wherein the end of the connecting tube (2) adjacent to the nozzle cap (3) is of a bent tube structure, the bending angle being 110 °.

3. A blasting head according to claim 1, wherein the nozzle cap (3) has a conical structure, the taper of two sides is 22 °, the nozzle has a two-stage straight hole structure with a radius decreasing from inside to outside, the diameter of the outer straight hole is 0.7mm, the length is 1mm, and the inner taper angle at the joint of the two stages of straight holes is 60 °.

4. A blasting head according to claim 3, wherein the guide groove (221) penetrates through the front end of the inner pipe (22) of the blast head, the guide groove (221) has a width of 0.6mm and a depth of 1.3mm, and one end portion of the inner pipe (22) of the blast head provided with the guide groove (221) is disposed in the inner straight hole of the blast cap (3) and has an insertion depth of 0.6mm.

5. A sand blasting head according to claim 1, wherein the middle part of the nozzle base (1) is provided with threads, the nozzle inner tube (22) is in threaded connection with the nozzle base (1), and the tail part of the nozzle base (1) is sleeved with a plurality of sealing rings (4).