CN215937735U - Controllable sandblast head of flow - Google Patents

Abstract

The utility model relates to a flow-controllable sand blasting head which comprises a nozzle, a spraying pipe, a connecting rod and a knob, wherein a cylindrical cavity is arranged at the bottom of the nozzle, the nozzle is arranged in the cavity, a spraying cavity is arranged in the nozzle, the bottom of the spraying cavity is opened, an inverted L-shaped first through hole is arranged at the top of the spraying cavity, a second through hole is arranged on the side wall of the spraying cavity, the spraying pipe is arranged in the spraying cavity, and the upper end of the spraying pipe is arranged in the first through hole. The utility model has the beneficial effects that: according to the flow-controllable sand blasting head, the gas sand powder mixture can be sprayed out through the first channel, the first through hole and the spraying pipe, meanwhile, water is sprayed out through the second channel, the second through hole and the spraying cavity, and the water and the gas sand powder mixture are converged on the surface of teeth, so that the sand blasting head can be prevented from being blocked; the connecting rod can be driven to rotate by rotating the knob, the connecting rod drives the nozzle to rotate, and the relative positions of the first through hole and the first channel and the relative positions of the second through hole and the second channel are adjusted, so that the flow of the sand-powder mixture and the water can be adjusted as required.

Description

Controllable sandblast head of flow

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a flow-controllable sand blasting head.

Background

At present, the treatment sand powder is generally sprayed to the surface of teeth by using compressed gas (generally air) to lift, and the treatment sand powder is mixed with a liquid medium (generally water) sprayed together to play a role in cleaning the surface of teeth and a subgingival periodontal pocket.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flow-controllable sand blasting head, which solves the defects of the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides a controllable sandblast head of flow, which comprises a spray head, the nozzle, the spray tube, connecting rod and knob, the shower nozzle bottom is equipped with cylindrical cavity, be equipped with the nozzle in the cavity, be equipped with in the nozzle and spout the chamber, spout chamber bottom opening, it is equipped with the first through-hole of falling L shape to spout the chamber top, it is equipped with the second through-hole to spout the chamber lateral wall, spout the intracavity and be equipped with the spray tube, the spray tube upper end is established in first through-hole, the spray tube lower extreme stretches out and spouts the chamber, the shower nozzle lateral wall be equipped with the first passageway of first through-hole intercommunication and with the second passageway of second through-hole intercommunication, the cavity top is equipped with the perforation, the nozzle top is equipped with the connecting rod, the connecting rod upper end is passed the perforation and is connected with the knob.

The utility model has the beneficial effects that: according to the flow-controllable sand blasting head, the gas sand powder mixture can be sprayed out through the first channel, the first through hole and the spraying pipe, meanwhile, water is sprayed out through the second channel, the second through hole and the spraying cavity, and the water and the gas sand powder mixture are converged on the surface of teeth, so that the sand blasting head can be prevented from being blocked; the connecting rod can be driven to rotate by rotating the knob, the connecting rod drives the nozzle to rotate, and the relative positions of the first through hole and the first channel and the relative positions of the second through hole and the second channel are adjusted, so that the flow of the sand-powder mixture and the water can be adjusted as required.

Further: the outer wall of the spray head is provided with a sealing sleeve which is in sealing connection with the inner wall of the cavity, and the sealing sleeve is provided with a third through hole which is opposite to the first through hole and a fourth through hole which is opposite to the second through hole.

The beneficial effects of the further scheme are as follows: the seal cover can seal between the spray head and the spray nozzle, and prevent the leakage of the gas sand powder mixture and water.

Further: the outer wall of the spray pipe is provided with a sealing ring which is connected with the inner wall of the first through hole in a sealing way.

The beneficial effects of the further scheme are as follows: the sealing ring can prevent the gas sand powder mixture from entering the spraying cavity and mixing with water to block the spraying cavity.

Further: the outer wall of the knob is evenly provided with anti-slip ribs.

The beneficial effects of the further scheme are as follows: the anti-slip ribs can prevent hands from slipping when the knob is rotated.

Further: the edge of the bottom of the knob is provided with a limiting block, and the top of the spray head is provided with an arc-shaped groove matched with the limiting block.

The beneficial effects of the further scheme are as follows: the rotating angle of the knob can be controlled through the matching of the limiting block and the arc-shaped groove, so that the flow can be conveniently adjusted.

Further: scales are arranged below the arc-shaped groove.

The beneficial effects of the further scheme are as follows: the scale is used for observing the flow regulation.

Further: the bottom of the spray cavity is provided with an annular baffle plate, and the annular baffle plate is evenly provided with a plurality of flow channels according to the circumference.

The beneficial effects of the further scheme are as follows: the design can make water spout the intracavity from spouting evenly like this to can improve clean effect.

Drawings

FIG. 1 is a schematic structural view of a controllable flow rate blast head according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

in the figure: 1. a spray head; 11. a cavity; 12. a first channel; 13. a second channel; 14. perforating; 15. An arc-shaped groove; 16. calibration; 2. a nozzle; 21. a spray chamber; 22. a first through hole; 23. a second through hole; 3. a nozzle; 4. a connecting rod; 5. a knob; 51. anti-slip ribs; 52. a limiting block; 6. sealing sleeves; 61. a third through hole; 62. a fourth via hole; 7. a seal ring; 8. a baffle plate; 81. and a flow passage.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-3, this embodiment provides a controllable flow sandblast head, including shower nozzle 1, nozzle 2, spray tube 3, connecting rod 4 and knob 5, shower nozzle 1 bottom is equipped with cylindrical cavity 11, be equipped with nozzle 2 in the cavity 11, be equipped with in the nozzle 2 and spout the chamber 21, spout the opening of chamber 21 bottom, it is equipped with the first through-hole 22 of shape of falling L to spout chamber 21 top, it is equipped with second through-hole 23 to spout chamber 21 lateral wall, it is equipped with spray tube 3 in the chamber 21 to spout the intracavity, the upper end of spray tube 3 is established in first through-hole 22, the lower extreme of spray tube 3 stretches out and spouts chamber 21, shower nozzle 1 lateral wall is equipped with first passageway 12 with first through-hole 22 intercommunication and second passageway 13 with second through-hole intercommunication, cavity 11 top is equipped with perforation 14, nozzle 2 top is equipped with connecting rod 4, the upper end of connecting rod 4 passes the perforation and is connected with knob 5.

When the gas sand powder mixture is used, the gas sand powder mixture can be sprayed out through the first channel 12, the first through hole 22 and the spray pipe 3, meanwhile, water is sprayed out through the second channel 13, the second through hole 23 and the spray cavity 21, and the water and the gas sand powder mixture are converged on the surface of teeth, so that the blockage of a sand-blasting head can be prevented; can drive connecting rod 4 through rotating knob 5 and rotate, connecting rod 4 drives nozzle 3 and rotates, adjusts the relative position of first through-hole 22 and first passageway 12 and second through-hole 23 and second passageway 13 to can adjust the flow of sand powder mixture and water as required.

Example 2

This embodiment provides a controllable sandblast head of flow, on embodiment 1's basis, 1 outer wall of shower nozzle is equipped with the seal cover 6 with cavity 11 inner wall sealing connection, be equipped with on the seal cover 6 with the relative third through-hole 61 of first through-hole 22 and the relative fourth through-hole 62 of second through-hole 23, seal cover 6 can seal between shower nozzle 1 and the nozzle 2, prevent that gas sand powder mixture and water from leaking, seal cover 6 adopts silica gel to make, and is sealed effectual.

Example 3

This embodiment provides a controllable sandblast head of flow, on the basis of any embodiment of embodiment 1-2, 3 outer walls of spray tube be equipped with first through-hole 22 inner wall sealing connection's sealing washer 7, and sealing washer 7 can prevent that gas sand powder mixture from entering into and spouting chamber 21 and mix with water, will spout the chamber 21 jam, and sealing washer 7 adopts silica gel to make, and is sealed effectual.

Example 4

The embodiment provides a flow-controllable sand blasting head, on the basis of any one of embodiments 1 to 3, anti-slip ribs 51 are uniformly arranged on the outer wall of a knob 5, and the anti-slip ribs 51 can prevent hands from slipping when the knob 5 is rotated.

Example 5

This embodiment provides a controllable sandblast head of flow, and on the basis of any embodiment of embodiment 1-4, 5 bottom edges of knob are equipped with stopper 52, and 1 top of shower nozzle is equipped with the arc recess 15 with stopper 52 matched with, can control knob 5 pivoted angle through stopper 52 and the cooperation of arc recess 15 to can conveniently adjust the flow.

The scales 16 are arranged below the arc-shaped groove 15, and the scales 16 are used for observing the flow regulation size, so that the flow can be accurately controlled conveniently.

Example 6

This embodiment provides a controllable sandblast head of flow, on the basis of any embodiment of embodiment 1-5, spouts the chamber 21 bottom and is equipped with ring baffle 8, and ring baffle 8 evenly is equipped with a plurality of runners 81 according to the circumference, and the design can make water evenly spout from spouting the chamber 21 like this to can improve clean effect.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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 utility model. 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 above, 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 within the scope of the present invention.

Claims (7)

1. The flow-controllable sand blasting head is characterized by comprising a spraying head (1), a spraying nozzle (2), a spraying pipe (3), a connecting rod (4) and a knob (5), wherein a cylindrical cavity (11) is arranged at the bottom of the spraying head (1), the spraying nozzle (2) is arranged in the cavity (11), a spraying cavity (21) is arranged in the spraying nozzle (2), the bottom of the spraying cavity (21) is open, an inverted L-shaped first through hole (22) is formed in the top of the spraying cavity (21), a second through hole (23) is formed in the side wall of the spraying cavity (21), the spraying pipe (3) is arranged in the spraying cavity (21), the upper end of the spraying pipe (3) is arranged in the first through hole (22), the lower end of the spraying pipe (3) extends out of the spraying cavity (21), a first channel (12) communicated with the first through hole (22) and a second channel (13) communicated with the second through hole are formed in the side wall of the spraying head (1), the top of the cavity (11) is provided with a through hole (14), the top of the nozzle (2) is provided with the connecting rod (4), and the upper end of the connecting rod (4) penetrates through the through hole (14) to be connected with the knob (5).

2. A flow-controllable sandblasting head as claimed in claim 1, characterized in that the outer wall of said nozzle (1) is provided with a sealing sleeve (6) sealingly connected to the inner wall of said cavity (11), said sealing sleeve (6) being provided with a third through hole (61) opposite to said first through hole (22) and a fourth through hole (62) opposite to said second through hole (23).

3. A flow-controlled sandblasting head as claimed in claim 1, characterized in that the outer wall of said nozzle (3) is provided with a sealing ring (7) in sealed connection with the inner wall of said first through hole (22).

4. A flow-controllable sandblasting head as claimed in claim 1, characterized in that the outer wall of said knob (5) is uniformly provided with anti-slip ribs (51).

5. A flow-controllable sandblasting head as claimed in claim 1, characterized in that the bottom edge of said knob (5) is provided with a stopper (52), and the top of said nozzle (1) is provided with an arc-shaped groove (15) matching with said stopper (52).

6. A flow-controllable sandblasting head as claimed in claim 5, characterized in that under said arched grooves (15) there are provided graduations (16).

7. A flow-controllable sandblasting head as claimed in claim 1, characterized in that said sandblasting chamber (21) has at the bottom an annular baffle (8), said annular baffle (8) having a plurality of flow channels (81) uniformly arranged circumferentially.

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