CN215994344U

CN215994344U - Sand blasting handle nozzle assembly

Info

Publication number: CN215994344U
Application number: CN202122517778.8U
Authority: CN
Inventors: 杨光; 熊玮强; 张中哲; 陈昌平
Original assignee: Guilin Walden Medical Technology Co ltd
Current assignee: Guilin Walden Medical Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-11
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to a sand blasting handle spray head assembly, which comprises a spray head and a spray pipe, wherein a gas-sand mixing channel, a water channel and a spray cavity are arranged in the spray head, the front end of the gas-sand mixing channel is arranged at the top of the spray cavity, and the front end of the water channel is arranged on the side wall of the spray cavity; the spray pipe is arranged in the spray cavity, the central line of the spray pipe is superposed with the central line of the spray cavity, the diameter of one part of the spray cavity, which is positioned between the air-sand mixing channel and the water channel, is equal to the diameter of the spray pipe, and the diameter of the rest part of the spray cavity is larger than the diameter of the spray pipe. The utility model has the advantages that: this kind of sandblast handle shower nozzle subassembly adopts above-mentioned design, spouts the water in the chamber and can spout around the spray tube to can make water fully wash around tooth surface sandblast position after the blowout, the cleaning performance is good.

Description

Sand blasting handle nozzle assembly

Technical Field

The utility model relates to a sandblast handle technical field especially relates to a sandblast handle shower nozzle subassembly.

Background

Dental blasting tooth cleaning belongs to an air polishing technology, and therapeutic sand powder is sprayed on the surface of a tooth by using compressed gas (usually air) to be sprayed and mixed with a sprayed liquid medium (usually water) together to play a role in cleaning the surface of the tooth. For example, can remove dental plaque, soft dirt, smoke stain, tea stain and the like on the surface of teeth, can effectively prevent periodontal disease and maintain the health of teeth.

The dental sandblasting tooth cleaning handle comprises a handle and a spray head which can spray a gas sand powder mixture and water. Generally be equipped with gas sand mixing channel and water channel in the shower nozzle, spout in gas sand powder mixture and the water difference follow gas sand mixing channel and the water channel, consequently when clean tooth, the water that erupts can not carry out abundant washing around to the tooth sandblast, therefore the cleaning performance can receive the influence.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a sandblast handle shower nozzle subassembly is provided, solve the not enough of prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a sand blasting handle spray head assembly comprises a spray head and a spray pipe, wherein a gas-sand mixing channel, a water channel and a spray cavity are arranged in the spray head, the front end of the gas-sand mixing channel is arranged at the top of the spray cavity, and the front end of the water channel is arranged on the side wall of the spray cavity; the spray pipe is arranged in the spray cavity, the central line of the spray pipe is superposed with the central line of the spray cavity, the diameter of one part of the spray cavity, which is positioned between the air-sand mixing channel and the water channel, is equal to the diameter of the spray pipe, and the diameter of the rest part of the spray cavity is larger than the diameter of the spray pipe.

The utility model has the advantages that: this kind of sandblast handle shower nozzle subassembly, the water that spouts in the chamber can spout around the spray tube to can make water fully wash around tooth surface sandblast position after the blowout, the cleaning performance is good.

Further: and a gear is arranged on the outer wall of the spray pipe and below the front end of the water channel, and the outer wall of the gear is connected with the inner wall of the spray cavity.

The beneficial effects of the further scheme are as follows: water can be uniformly sprayed out through gaps among the sawteeth on the gear, and the cleaning effect is further improved.

Further: the spray pipe extends out of the spray cavity.

The beneficial effects of the further scheme are as follows: the spraying of the gas sand powder in the spray pipe can be prevented from being influenced when the water is sprayed out of the spray cavity.

Further: the rear end of the gas-sand mixing channel is provided with an air inlet nozzle.

The beneficial effects of the further scheme are as follows: the inlet nozzle may be adapted for connection with a gas conduit of the airframe assembly.

Further: the rear end of the water channel is connected with one end of a water connecting pipe, and the other end of the water connecting pipe is connected with a water nozzle.

The beneficial effects of the further scheme are as follows: the water injection well choke can be used for being connected with the water piping of organism subassembly.

Drawings

Fig. 1 is a schematic structural view of a nozzle assembly of a blasting handle according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic structural view of a nozzle according to an embodiment of the present invention;

in the figure: 1. a spray head; 11. a gas-sand mixing channel; 12. a water passage; 13. a spray chamber; 2. a nozzle; 21. A gear; 3. an air inlet nozzle; 4. a water connecting pipe; 5. a water nozzle.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-4, the embodiment provides a sandblasting handle nozzle assembly, which includes a nozzle 1 and a nozzle 2, wherein an air-sand mixing channel 11, a water channel 12 and a spraying cavity 13 are arranged in the nozzle 1, the front end of the air-sand mixing channel 11 is arranged at the top of the spraying cavity 13, and the front end of the water channel 12 is arranged on the side wall of the spraying cavity 13; the spray pipe 2 is arranged in the spray cavity 13, the central line of the spray pipe 2 is superposed with the central line of the spray cavity 13, the diameter of one part of the spray cavity 13, which is positioned between the gas-sand mixing channel 11 and the water channel 12, is equal to that of the spray pipe 2, and the diameter of the rest part of the spray cavity 13 is larger than that of the spray pipe 2.

When in use, the gas-sand-powder mixture can be sprayed on the tooth surface through the gas-sand mixing channel 11 and the spray pipe 2, water can be sprayed on the tooth surface through the water channel 12 and the spray cavity 13 to clean the teeth,

example 2

This embodiment provides a sandblast handle shower nozzle subassembly, and on embodiment 1's basis, the position that 2 outer walls of spray tube just are located water channel 12 front end below is equipped with gear 21, and gear 21 outer wall and spout 13 inner wall connections, and the sawtooth quantity on the gear 21 is six, and the even blowout in clearance between the sawtooth on the water accessible gear further cleaning performance.

Example 3

In this embodiment, on the basis of any one of embodiments 1-2, the outer end of the nozzle 2 extends out of the nozzle cavity 13 by 0.5cm, so as to prevent the water from affecting the spraying of the gas and sand powder in the nozzle 2 when the water is sprayed out of the nozzle cavity 13.

Example 4

The embodiment provides a sandblast handle nozzle assembly, on the basis of any one of embodiments 1 to 3, the rear end of the air-sand mixing channel 11 is provided with an air inlet nozzle 3, and the air inlet nozzle can be connected with an air pipeline of the machine body assembly.

Example 5

This embodiment provides a sandblast handle shower nozzle subassembly, on the basis of any embodiment of embodiment 1-4, water channel 12 rear end is connected with water connecting pipe 4 one end, and water connecting pipe 4 other end is connected with water injection well choke 5, and the water injection well choke can be used for being connected with organism subassembly's water pipeling.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The sandblast handle nozzle assembly is characterized by comprising a nozzle (1) and a nozzle (2), wherein an air-sand mixing channel (11), a water channel (12) and a spraying cavity (13) are arranged in the nozzle (1), the front end of the air-sand mixing channel (11) is arranged at the top of the spraying cavity (13), and the front end of the water channel (12) is arranged on the side wall of the spraying cavity (13); the spray pipe (2) is installed in a spray cavity (13), the center line of the spray pipe (2) is overlapped with the center line of the spray cavity (13), the diameter of one part of the spray cavity (13) between the gas-sand mixing channel (11) and the water channel (12) is equal to that of the spray pipe (2), and the diameter of the rest part of the spray cavity (13) is larger than that of the spray pipe (2).

2. A handle nozzle assembly for sandblasting according to claim 1, characterized in that the outer wall of the nozzle (2) and below the front end of the water channel (12) is provided with a gear (21), the outer wall of the gear (21) being connected to the inner wall of the nozzle chamber (13).

3. A blasting handle nozzle assembly according to claim 1, wherein the lance (2) extends out of the lance chamber (13).

4. A blasting handle nozzle assembly according to claim 1, wherein the air-sand mixing channel (11) is provided with an air inlet nozzle (3) at the rear end.

5. The handle spray head assembly for sandblasting according to claim 1, wherein the rear end of the water channel (12) is connected to one end of the water connection tube (4), and the other end of the water connection tube (4) is connected to the water nozzle (5).