CN219070720U - Bubble jet nozzle and tooth-flushing device - Google Patents
Bubble jet nozzle and tooth-flushing device Download PDFInfo
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- CN219070720U CN219070720U CN202223152552.3U CN202223152552U CN219070720U CN 219070720 U CN219070720 U CN 219070720U CN 202223152552 U CN202223152552 U CN 202223152552U CN 219070720 U CN219070720 U CN 219070720U
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Abstract
The utility model provides a bubble jet nozzle and a tooth flusher, comprising: the flushing pipe is provided with a flushing flow passage penetrating along the self extending direction, the pipe head part comprises a main pipe section, a connecting pipe section and a bubbling pipe section, and a negative pressure suction hole penetrating through the pipe wall of the bubbling pipe section is arranged on the bubbling pipe section; the spray head cap comprises a large sleeve cavity part, a gas-collecting cavity part and a small sleeve cavity part which are sequentially communicated in the liquid flow direction, wherein the large sleeve cavity part is detachably sleeved with the connecting pipe section, and the small sleeve cavity part is detachably sleeved with the end part of the bubbling pipe section, which is opposite to the connecting pipe section, so that the jet hole is aligned and communicated with the flushing flow channel, and the negative pressure suction hole is communicated with the gas-collecting cavity part; the air-entraining runner is formed at the sleeving part of the cap edge part and the connecting pipe section, and the air-entraining runner is used for mutually communicating the air-gathering cavity part with the external environment. The utility model can form bubble jet flow with more abundant bubble quantity, and greatly improves the oral cavity cleaning experience of users.
Description
Technical Field
The utility model relates to the technical field of oral cavity cleaning, in particular to a bubble jet type nozzle and a tooth washer.
Background
Electric tooth irrigators are becoming more and more popular nowadays, becoming a new type of oral cleaning product in people's daily lives, and more people have become increasingly interested in such comfortable and practical oral care products. The existing tooth flusher in the market is controlled by the physical structure of a water pump and a spray head, and the spray head sprays water flow to impact teeth and the surface of an oral cavity no matter the gear of water spraying control or the function of starting water spraying. The greater the water pressure is, the better the cleaning effect is, but otherwise the increase of the strength can bring uncomfortable feeling to the oral cavity and even damage to the oral cavity, so that a designer proposes to make a special design on the flow passage of the nozzle, and the water flow passes through the nozzle to generate micro bubbles.
The prior art discloses a foamable nozzle and a tooth washer, which solves the problem that the sprayed flushing liquid is mixed with air by forming an air inlet hole through the gap of the nozzle. However, the connection of the pipeline at the water-gas mixing position of the nozzle is not smooth enough, a turbulent flow phenomenon is often formed, the loss of jet impact force is caused, and the jet impact force can possibly flow out from the joint of the nozzle body and the nozzle head; in addition, the jet ejected from the nozzle has fewer bubbles and needs to be further improved.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model aims to provide a bubble jet nozzle and a tooth washer, which can form a bubble jet with a richer bubble quantity, greatly improve the oral cavity cleaning experience of a user, and facilitate cleaning.
In order to solve the above technical problems, the present utility model provides a bubble jet nozzle, comprising:
the flushing pipe is provided with a flushing flow passage penetrating along the self extending direction, the pipe head part of the flushing pipe comprises a main pipe section, a connecting pipe section and a bubbling pipe section, the main pipe section, the connecting pipe section and the bubbling pipe section are sequentially connected in a step structure, and a negative pressure suction hole penetrating through the pipe wall of the bubbling pipe section is formed in the bubbling pipe section;
the spray head cap comprises a cap top with jet holes and a cap edge part formed by extending the outer periphery of the cap top, a cap cavity of the spray head cap comprises a large cavity part, a gas collecting cavity part and a small cavity part which are communicated in sequence towards the liquid flow direction, the large cavity part is detachably sleeved with the connecting pipe section, and the small cavity part is detachably sleeved with the end part of the bubbling pipe section, which is opposite to the connecting pipe section, so that the jet holes are aligned and communicated with a flushing flow channel, and a negative pressure suction hole is communicated with the gas collecting cavity part;
the air-entraining runner is formed at the sleeving part of the cap edge part and the connecting pipe section, and the air-entraining runner is used for mutually communicating the air-gathering cavity part with the external environment.
Preferably, the air-gathering cavity is in a tapered structure, a large opening end of the air-gathering cavity is communicated with the large sleeve cavity, and a small opening end of the air-gathering cavity is communicated with the small sleeve cavity.
Preferably, the air-gathering cavity is in a taper pipe shape.
Preferably, the bleed air flow passage is arranged on the peripheral wall of the connecting pipe section and the shaft shoulder of the connecting pipe section and the main pipe section.
Preferably, the negative pressure suction hole extends straight in the radial direction of the bubble tube section.
Preferably, the number of the negative pressure air suction holes is a plurality of, and the negative pressure air suction holes are in a circumferential array with the axis of the foam tube section as a circle center line.
Preferably, the flushing flow passage is in a tapered structure towards the liquid flow direction, and the flow cross section of the part of the flushing flow passage close to the negative pressure suction hole is minimum.
Preferably, the connecting pipe section is provided with external threads, and the large sleeve cavity part is provided with internal threads matched with the external threads.
Preferably, the bubble tube section is a slip fit with the small sleeve cavity portion.
The utility model also provides a tooth flusher, which comprises the bubble jet nozzle.
As described above, the bubble jet nozzle and the dental irrigator of the present utility model have the following advantageous effects: the two ends of the flushing pipe along the self extending direction are respectively a pipe tail part and a pipe head part, the pipe tail part is used for being installed on a water supply device, the pipe head part of the flushing pipe comprises a main pipe section, a connecting pipe section and a bubbling pipe section, the outer diameter of the main pipe section gradually decreases towards the liquid flow direction, and a negative pressure air suction hole penetrating through the pipe wall of the bubbling pipe section is arranged on the bubbling pipe section; meanwhile, the cap cavity of the spray head cap comprises a large sleeve cavity part, a gas collecting cavity part and a small sleeve cavity part which are sequentially communicated in the liquid flow direction, the large sleeve cavity part is detachably sleeved with the connecting pipe section, the small sleeve cavity part is detachably sleeved with the end part of the bubbling pipe section, which is opposite to the connecting pipe section, so that the jet hole is aligned and communicated with the flushing flow channel, and the negative pressure suction hole is communicated with the gas collecting cavity part. The arrangement is that the flushing flow passage, the jet hole and the negative pressure suction hole form a venturi tube; when the water supply device is operated, the high-speed flowing oral cleaning liquid sequentially flows through the pipe cavity of the main pipe section, the pipe cavity of the connecting pipe section, the pipe cavity of the bubbling pipe section and the jet hole at the top of the cap, negative pressure is formed in the pipe cavity of the bubbling pipe section, and therefore air in the external environment is mixed into the flushing flow channel, and jet flow with tiny bubbles is formed in the jet hole. Compared with the existing nozzles capable of mixing liquid and gas, the bubble jet nozzle of the utility model has the following innovation points: air in the external environment flows into the air collecting cavity of the nozzle cap through the air-entraining flow passage, and then flows into the pipe cavity of the foaming pipe section through the negative pressure air suction hole, so that the pipe cavity of the foaming pipe section is easier to mix with air, and the air bubble quantity of jet flow is further enriched; even if the flow rate of the liquid in the flushing flow channel is reduced due to insufficient electric quantity of the water supply device, more air can still be sucked into the pipe cavity of the foaming pipe section. Therefore, the bubble jet type nozzle can form bubble jet with more abundant bubble quantity, and the oral cavity cleaning experience of a user is greatly improved; in addition, the nozzle cap and the pipe head part of the flushing pipe can be disassembled and sleeved, so that the cleaning is convenient.
Drawings
FIG. 1 shows a perspective view of a bubble jet nozzle of the present utility model;
FIG. 2 shows an exploded view of the flush tube and the spray head cap;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 shows a partial cross-sectional view of a bubble jet nozzle in use;
FIG. 5 shows a cross-sectional view of the tip portion of the flush tube;
fig. 6 shows a cross-sectional view of the spray head cap.
Description of element reference numerals
1. Flushing pipe
11. Flushing flow channel
12. Main pipe section
13. Connecting pipe section
14. Bubble tube section
15. Negative pressure suction hole
2. Spray head cap
21. Cap top
22. Brim part
23. Jet hole
24. Large sleeve cavity part
25. Air-gathering cavity
26. Small set of cavity part
3. Bleed air flow passage
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the claims, unless otherwise indicated, and unless otherwise indicated, all changes in structure, proportions, or otherwise, used by those skilled in the art, are included in the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
The bubble jet nozzle provided by the utility model is mainly based on Venturi effect: refers to a phenomenon that the flow rate of a fluid increases when the restricted flow passes through a reduced flow cross section, and the flow rate is inversely proportional to the flow cross section. Whereas an increase in flow rate is known from bernoulli's law to be accompanied by a decrease in fluid pressure, a common venturi phenomenon. This effect is colloquially referred to as creating a low pressure in the vicinity of the fluid flowing at high velocity, thereby creating an adsorption effect.
Based on this, as shown in fig. 1, 2, 3 and 4, the present utility model provides a bubble jet nozzle comprising:
the flushing pipe 1 (see fig. 5 in detail), the flushing pipe 1 has a flushing flow channel 11 penetrating along the self extending direction, the pipe head part of the flushing pipe 1 comprises a main pipe section 12, a connecting pipe section 13 and a bubbling pipe section 14, the main pipe section 12, the connecting pipe section 13 and the bubbling pipe section 14 are connected in sequence in a step structure, and a negative pressure suction hole 15 penetrating through the pipe wall of the bubbling pipe section 14 is arranged on the bubbling pipe section;
the shower head cap 2 (see fig. 6 in detail), the shower head cap 2 includes the cap top 21 with jet hole 23 and extends the cap edge portion 22 formed by the outer peripheral edge of the cap top 21, the cap cavity of the shower head cap 2 includes the big set of cavity portions 24, gather the cavity portion 25 and small set of cavity portions 26 communicated sequentially in the direction of liquid flow, the big set of cavity portions 24 is removably sleeved with the connecting tube section 13, the small set of cavity portions 26 is removably sleeved with the end portion of the frothing tube section 14 facing away from the connecting tube section 13, in order to make the above-mentioned jet hole 23 align and communicate with the flushing flow channel 11 and make the negative pressure suction hole 15 communicate with the gathering cavity portion 25;
the air-entraining runner 3, the air-entraining runner 3 is formed at the sleeving part of the cap edge part 22 and the connecting pipe section 13, and the air-entraining runner 3 communicates the air-collecting cavity part 25 with the external environment.
In the utility model, the two ends of the flushing pipe 1 along the self extending direction are respectively a pipe tail part and a pipe head part, the pipe tail part is used for being installed on a water supply device (such as a pump assembly), the pipe head part of the flushing pipe 1 comprises a main pipe section 12, a connecting pipe section 13 and a bubbling pipe section 14, the outer diameter of the main pipe section is gradually reduced towards the liquid flow direction, and a negative pressure suction hole 15 penetrating through the pipe wall of the bubbling pipe section 14 is arranged on the bubbling pipe section; meanwhile, the cap cavity of the nozzle cap 2 comprises a large sleeve cavity part 24, a gas-collecting cavity part 25 and a small sleeve cavity part 26 which are sequentially communicated in the liquid flow direction, the large sleeve cavity part 24 is detachably sleeved with the connecting pipe section 13, the small sleeve cavity part 26 is detachably sleeved with the end part of the bubbling pipe section 14, which is opposite to the connecting pipe section 13, so that the jet hole 23 is aligned and communicated with the flushing flow channel 11, and the negative pressure gas suction hole 15 is communicated with the gas-collecting cavity part 25. So arranged, the flushing flow passage 11, the jet hole 23 and the negative pressure suction hole 15 form a venturi tube; when the water supply device is operated, the high-speed flowing oral rinse liquid sequentially flows through the lumen of the main body tube section 12, the lumen of the connecting tube section 13, the lumen of the bubble tube section 14 and the jet hole 23 of the cap top 21, a negative pressure is formed in the lumen of the bubble tube section 14, and air of the external environment is mixed into the flushing flow channel 11, so that a jet flow with micro bubbles is formed in the jet hole 23.
Compared with the existing nozzles capable of mixing liquid and gas, the bubble jet nozzle of the utility model has the following innovation points: air in the external environment flows into the air collecting cavity 25 of the nozzle cap 2 through the air entraining flow channel 3, and then flows into the pipe cavity of the bubble pipe section 14 through the negative pressure air suction hole 15, so that the pipe cavity of the bubble pipe section 14 is easier to mix with gas, and the air bubble amount of jet flow is further enriched; even if the flow rate of the liquid in the flushing flow path 11 is reduced due to insufficient power of the water supply device, more air can still be sucked into the lumen of the bubble tube section 14.
Therefore, the bubble jet type nozzle can form bubble jet with more abundant bubble quantity, and the oral cavity cleaning experience of a user is greatly improved; in addition, the nozzle cap 2 and the pipe head part of the flushing pipe 1 can be disassembled and sleeved, so that the flushing is convenient.
As shown in fig. 6, in order to reduce the flow resistance of the gas in the gas-collecting chamber 25, the gas-collecting chamber 25 has a tapered structure, and the large opening end of the gas-collecting chamber 25 communicates with the large sleeve chamber 24 and the small opening end communicates with the small sleeve chamber 26. Further, in order to further reduce the flow resistance of the gas in the gas-collecting chamber 25, the gas-collecting chamber 25 is tapered.
The bleed air flow passage 3 may be formed in the wall of the large sleeve portion 24 or in the head portion of the flush tube 1. For easy processing, the bleed air channel 3 is provided on the outer peripheral wall of the connecting pipe section 13 and on the shoulders of the connecting pipe section 13 and the main pipe section 12. The number of bleed air channels 3 may be plural, and the track of each bleed air channel 3 is substantially L-shaped.
In order to improve the suction capability of the negative pressure suction hole 15, the negative pressure suction hole 15 extends straight in the radial direction of the bubble tube section 14.
In order to more uniformly mix the air into the liquid, the number of the negative pressure suction holes 15 is plural and is arranged in a circumferential array with the axis of the bubbling pipe section 14 as a center line.
In order to form negative pressure in the lumen of the bubble tube section 14, the flushing flow channel 11 is tapered in the flow direction, and the flow cross section of the flushing flow channel 11 at the position close to the negative pressure suction hole 15 is minimized. In addition, the diameter of the negative pressure suction hole 15 is smaller than the diameter of the flow section of the bubble tube section 14, for example, the diameter of the flow section of the bubble tube section 14 is 3 to 10mm, and the diameter of the negative pressure suction hole 15 is 0.2 to 0.5mm.
In order to improve the connection between the large sleeve portion 24 and the connecting pipe section 13, the connecting pipe section 13 has an external thread, and the large sleeve portion 24 has an internal thread adapted to the external thread.
Because of the small size of the small pocket portion 26, and to ensure hygiene, the bubble tube segment 14 is a slip fit with the small pocket portion 26.
The utility model also provides a tooth flusher, which comprises the bubble jet nozzle. The tooth washer can form bubble jet flow with richer bubble quantity, and the oral cavity cleaning experience of a user is greatly improved.
In conclusion, the bubble jet type nozzle and the tooth washer can form bubble jet with more abundant bubble quantity, greatly improve oral cavity cleaning experience of a user and facilitate cleaning. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A bubble jet nozzle, comprising:
the flushing pipe (1), the flushing pipe (1) is provided with a flushing flow passage (11) penetrating along the self extending direction, the pipe head part of the flushing pipe (1) comprises a main pipe section (12), a connecting pipe section (13) and a bubbling pipe section (14), the main pipe section (12), the connecting pipe section (13) and the bubbling pipe section (14) are sequentially connected in a step structure, and a negative pressure air suction hole (15) penetrating through the pipe wall of the bubbling pipe section (14) is arranged on the bubbling pipe section;
the spray head cap (2), the spray head cap (2) comprises a cap top (21) with a jet hole (23) and a cap edge part (22) formed by extending the outer periphery of the cap top (21), a cap cavity of the spray head cap (2) comprises a large sleeve cavity part (24), a gas collecting cavity part (25) and a small sleeve cavity part (26) which are communicated sequentially towards the liquid flow direction, the large sleeve cavity part (24) is detachably sleeved with the connecting pipe section (13), the small sleeve cavity part (26) is detachably sleeved with the end part of the bubbling pipe section (14) opposite to the connecting pipe section (13), so that the jet hole (23) is aligned and communicated with the flushing flow channel (11), and a negative pressure suction hole (15) is communicated with the gas collecting cavity part (25);
the air-entraining runner (3), the air-entraining runner (3) is formed at the sleeving part of the cap edge part (22) and the connecting pipe section (13), and the air-entraining runner (3) is used for mutually communicating the air-gathering cavity part (25) with the external environment.
2. The bubble jet nozzle of claim 1, wherein: the air-gathering cavity (25) is of a tapered structure, the large opening end of the air-gathering cavity (25) is communicated with the large sleeve cavity (24) and the small opening end of the air-gathering cavity is communicated with the small sleeve cavity (26).
3. The bubble jet nozzle of claim 2, wherein: the air-gathering cavity (25) is in a taper pipe shape.
4. The bubble jet nozzle of claim 1, wherein: the air entraining flow passage (3) is arranged on the peripheral wall of the connecting pipe section (13) and the shaft shoulders of the connecting pipe section (13) and the main pipe section (12).
5. The bubble jet nozzle of claim 1, wherein: the negative pressure suction hole (15) extends along the radial straight line of the bubble tube section (14).
6. The bubble jet nozzle of claim 1, wherein: the number of the negative pressure air suction holes (15) is multiple, and the negative pressure air suction holes are circumferentially arrayed by taking the axis of the foam tube section (14) as a circular line.
7. The bubble jet nozzle of claim 1, wherein: the flushing flow passage (11) is in a tapered structure towards the liquid flow direction, and the flow cross section of the part of the flushing flow passage (11) close to the negative pressure air suction hole (15) is minimum.
8. The bubble jet nozzle of claim 1, wherein: the connecting pipe section (13) is provided with external threads, and the large sleeve cavity part (24) is provided with internal threads matched with the external threads.
9. The bubble jet nozzle of claim 1, wherein: the bubble tube section (14) is in a slip fit with the small sleeve portion (26).
10. A dental irrigator comprising a bubble jet nozzle as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223152552.3U CN219070720U (en) | 2022-11-25 | 2022-11-25 | Bubble jet nozzle and tooth-flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223152552.3U CN219070720U (en) | 2022-11-25 | 2022-11-25 | Bubble jet nozzle and tooth-flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219070720U true CN219070720U (en) | 2023-05-26 |
Family
ID=86402454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223152552.3U Active CN219070720U (en) | 2022-11-25 | 2022-11-25 | Bubble jet nozzle and tooth-flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219070720U (en) |
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2022
- 2022-11-25 CN CN202223152552.3U patent/CN219070720U/en active Active
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