CN216823737U - Combined gas-liquid mixed type water dental floss spray head - Google Patents
Combined gas-liquid mixed type water dental floss spray head Download PDFInfo
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- CN216823737U CN216823737U CN202220099568.3U CN202220099568U CN216823737U CN 216823737 U CN216823737 U CN 216823737U CN 202220099568 U CN202220099568 U CN 202220099568U CN 216823737 U CN216823737 U CN 216823737U
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Abstract
The utility model belongs to the technical field of tooth washing devices, relates to a water dental floss spray head, in particular to a combined gas-liquid mixed type water dental floss spray head, which comprises a spray head main body, wherein a fluid passage which penetrates up and down is formed inside the spray head main body, and the fluid passage comprises an extrusion accelerating area, a diffusion accelerating area and a gas-liquid mixing area which are sequentially arranged from bottom to top; the caliber of the channel of the extrusion accelerating area is gradually reduced; the caliber of the channel of the diffusion accelerating area is gradually increased, the gas-liquid mixing area is positioned at the outlet end of the diffusion accelerating area, and the gas-liquid mixing area is used as a cavity for mixing gas and fluid; the spray head main body is also provided with an air inlet, and the air inlet penetrates through the side wall of the diffusion acceleration area; the spray head main body comprises a spray pipe and a spray nozzle clamped at the front end part of the spray pipe, and the caliber of an outlet of the spray pipe is the same as that of an inlet of the spray nozzle and is communicated with that of the inlet of the spray nozzle. After the spray pipe and the spray nozzle are independently formed, the spray pipe and the spray nozzle can be assembled to form the spray head main body, so that the fluid channel is convenient to form.
Description
Technical Field
The utility model belongs to the technical field of the tooth cleaning device, a water dental floss shower nozzle is related to, refer in particular to a modular gas-liquid mixed type water dental floss shower nozzle.
Background
With the development of society, the requirements of people on living standard are higher and higher, and more people are pursuing the quality of life. For example: people are beginning to focus on their dental health. Furthermore, because the dental rinser is expensive and needs a long time to be used in oral hospitals for nursing teeth, the rinser is more and more popular. However, the existing tooth cleaners spray water through nozzles to impact teeth and oral surfaces, and users manually aim the nozzle of the tooth cleaner at the teeth so that the sprayed water can clean the oral cavity. However, the current water toothpick nozzle uses an inner cavity to control the water flow and provide a certain pressure through the water toothpick. Therefore, in the using process, in order to achieve the purpose of cleaning, the pressure of the control water flow needs to be increased, the formed water column can directly impact the gum, the penetrating force and the impact force caused by the pressure directly collide with the gum, so that the gum of a user can feel painful, and obvious using obstacles exist.
The applicant previously designed a water dental floss nozzle capable of mixing gas and liquid (chinese patent application No. 202111562441.7 applied by the applicant on 20/12/2021), but because the internal channel of the nozzle is complex, the production is very complex, and thus a redesign of a combined gas-liquid mixed type water dental floss nozzle which is easier to produce and process is required.
Disclosure of Invention
The utility model aims at providing a change combination formula gas-liquid mixed type water dental floss shower nozzle of production and processing.
The purpose of the utility model is realized like this:
a combined gas-liquid mixed type water dental floss spray head comprises a spray head main body, wherein a fluid passage which penetrates through the spray head main body from top to bottom is formed in the spray head main body, and the fluid passage comprises an extrusion accelerating area, a diffusion accelerating area and a gas-liquid mixing area which are sequentially arranged from bottom to top;
the caliber of the channel of the extrusion accelerating area is gradually reduced, and the caliber of the inlet end of the extrusion accelerating area is larger than that of the outlet end of the extrusion accelerating area;
the caliber of the channel of the diffusion accelerating region is gradually increased, the caliber of the inlet end of the diffusion accelerating region is smaller than that of the outlet end of the diffusion accelerating region, and the caliber of the inlet end of the diffusion accelerating region is the same as that of the outlet end of the extrusion accelerating region and is communicated with that of the outlet end of the extrusion accelerating region;
the gas-liquid mixing area is positioned at the outlet end of the diffusion accelerating area and is used as a cavity for mixing gas and fluid;
the spray head main body is also provided with an air inlet, and the air inlet penetrates through the side wall of the diffusion acceleration area;
the spray head main body comprises a spray pipe and a spray nozzle clamped at the front end part of the spray pipe, and the caliber of an outlet of the spray pipe is the same as that of an inlet of the spray nozzle and is communicated with that of the spray nozzle; the extrusion accelerating area is formed in the spray pipe, and the diffusion accelerating area, the air inlet hole and the air-liquid mixing area are formed in the nozzle.
The utility model discloses it is further, the exit end in diffusion acceleration zone is seted up to the inlet port.
The utility model discloses it is further, each position cross-section bore in gas-liquid mixture district is the same, and gas-liquid mixture district entrance point is the same and communicates with diffusion acceleration district exit end bore.
The utility model discloses it is further, the exit end shaping in extrusion accelerating region has accelerating inclined plane, the bore shrinkage factor on accelerating inclined plane is greater than the bore shrinkage factor in other positions in extrusion accelerating region.
The utility model discloses it is further, the lower extreme shaping of spray tube has connecting groove, the spray tube can pass through connecting groove is fixed in on the water dental floss ware.
The utility model discloses a further, the ring channel has been seted up to the lateral surface of spray tube front end, the shaping have on the nozzle with the block cover of ring channel adaptation, the nozzle can pass through the block cover is fixed in the front end of spray tube in the cooperation of ring channel.
The utility model discloses it is further, the external screw thread has been seted up to the lateral surface of spray tube front end, the shaping have on the nozzle with the internal thread that the external screw thread was joined in marriage, the nozzle can pass through the cooperation of internal and external screw thread is fixed in the spray tube front end.
The utility model discloses it is further, the lateral surface of spray tube front end still the shaping has the guide way.
Compared with the prior art, the utility model has the advantages that:
the utility model relates to a spray head used on a water dental floss device (a tooth washing machine), which accelerates water flow for many times and mixes gas through the special shape of a fluid channel in the spray head, so that the sprayed water flow can wash teeth and clean the water pressure of oral cavities, and can protect gum through the gas mixed in water; the effect of effectively cleaning teeth and avoiding pain caused by strong water pressure impacting teeth and gum is realized. The fluid channel comprises an extrusion accelerating area, a diffusion accelerating area, a gas-liquid mixing area and an air inlet hole which penetrates through the side surface of the diffusion accelerating area; during the use, the fluid can pass through the extrusion acceleration district earlier, the passageway bore of extrusion acceleration district reduces gradually, change through the bore and carry out first portion acceleration to the fluid, the diffusion acceleration district will be flowed through to the fluid that flows from extrusion acceleration district exit end, extrusion acceleration district and diffusion acceleration district are connected, form the middle narrow, the wide Laval nozzle effect in both ends, consequently the fluid that flows through diffusion acceleration district not only can not slow down, can further secondary acceleration on the contrary, make the fluid reach faster speed, thereby can do better cleanness to the oral cavity. The air inlet is seted up to the lateral wall in diffusion acceleration district, when the fluid that passes through the secondary acceleration in the diffusion acceleration district is flowing, the atmospheric pressure in diffusion acceleration district is less than outside atmospheric pressure, therefore, outside air can get into diffusion acceleration district through the air inlet, the air that gets into diffusion acceleration district can mix with the fluid in the gas-liquid mixture district, reach the purpose of gas-liquid mixture, make its liquid cleaner inside form multiunit bubble, the fluid after with gas mixture finally can follow the exit end blowout in gas-liquid mixture district, when contacting with the gum, break through the bubble film, with its partial pressure average distribution who contacts with the gum, reach the purpose that reduces penetrating power and impact force because of the water column brings, when protecting the gum, promote its clean effect. The special structure with narrow middle and wide two ends inside the flow channel makes the production difficult to be integrated, so that the sprayer body is designed into a combined type, the sprayer body is formed by two sections of separated spray pipes and nozzles, the extrusion accelerating area is formed in the spray pipes, and the diffusion accelerating area, the air inlet and the air-liquid mixing area are formed in the nozzles. After the spray pipe and the spray nozzle are independently formed, the spray pipe and the spray nozzle can be assembled to form the spray head main body, so that the fluid channel is convenient to form.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a side view of the nozzle of the present invention.
Fig. 6 is a cross-sectional view of a nozzle of the present invention.
Fig. 7 is a side view of the middle nozzle of the present invention.
Fig. 8 is a cross-sectional view of the middle nozzle of the present invention.
Fig. 9 is an exploded view of another embodiment of the present invention.
Fig. 10 is a cross-sectional view of fig. 9.
The reference numerals in the figures denote the meanings:
1-a nozzle body; 2-a fluid channel; 3-extrusion acceleration zone; 4-a diffusion acceleration region; 5-a gas-liquid mixing zone; 6-air inlet holes; 7-a spray pipe; 8-a nozzle; 9-acceleration ramp; 10-connecting card slot; 11-an annular groove;
12-a snap fit sleeve; 13-a guide groove; 14-external threads; 15-internal thread.
Detailed Description
The invention will be further described with reference to specific embodiments below:
a combined gas-liquid mixed type water dental floss spray head comprises a spray head main body, wherein a fluid passage which penetrates through the spray head main body from top to bottom is formed in the spray head main body, and the fluid passage comprises an extrusion accelerating area, a diffusion accelerating area and a gas-liquid mixing area which are sequentially arranged from bottom to top;
the caliber of the channel of the extrusion accelerating area is gradually reduced, and the caliber of the inlet end of the extrusion accelerating area is larger than that of the outlet end of the extrusion accelerating area;
the caliber of the channel of the diffusion accelerating region is gradually increased, the caliber of the inlet end of the diffusion accelerating region is smaller than that of the outlet end of the diffusion accelerating region, and the caliber of the inlet end of the diffusion accelerating region is the same as that of the outlet end of the extrusion accelerating region and is communicated with that of the outlet end of the extrusion accelerating region;
the gas-liquid mixing area is positioned at the outlet end of the diffusion accelerating area and is used as a cavity for mixing gas and fluid;
the spray head main body is also provided with an air inlet, and the air inlet penetrates through the side wall of the diffusion acceleration area;
the spray head main body comprises a spray pipe and a spray nozzle clamped at the front end part of the spray pipe, and the caliber of an outlet of the spray pipe is the same as that of an inlet of the spray nozzle and is communicated with that of the spray nozzle; the extrusion accelerating area is formed in the spray pipe, and the diffusion accelerating area, the air inlet hole and the air-liquid mixing area are formed in the nozzle.
The utility model relates to a spray head used on a water dental floss device (a tooth washing machine), which accelerates water flow for many times and mixes gas through the special shape of a fluid channel in the spray head, so that the sprayed water flow can wash teeth and clean the water pressure of oral cavities, and can protect gum through the gas mixed in water; the effect of effectively cleaning teeth and avoiding pain caused by strong water pressure impacting teeth and gum is realized. The fluid channel comprises an extrusion accelerating area, a diffusion accelerating area, a gas-liquid mixing area and an air inlet hole which penetrates through the side surface of the diffusion accelerating area; during the use, the fluid can pass through the extrusion acceleration district earlier, the passageway bore of extrusion acceleration district reduces gradually, change through the bore and carry out first portion acceleration to the fluid, the diffusion acceleration district will be flowed through to the fluid that flows from extrusion acceleration district exit end, extrusion acceleration district and diffusion acceleration district are connected, form the middle narrow, the wide Laval nozzle effect in both ends, consequently the fluid that flows through diffusion acceleration district not only can not slow down, can further secondary acceleration on the contrary, make the fluid reach faster speed, thereby can do better cleanness to the oral cavity. The side wall of the diffusion accelerating area is provided with an air inlet, when fluid which is secondarily accelerated in the diffusion accelerating area flows, the air pressure of the diffusion accelerating area is smaller than the external air pressure, therefore, the external air can enter the diffusion accelerating area through the air inlet, the air entering the diffusion accelerating area can be mixed with the fluid in the air-liquid mixing area, the purpose of air-liquid mixing is achieved, the liquid cleaning agent is ejected in a dense air-liquid mixing state, the cleaning force is increased through the breakage of bubbles and water drops after impacting gum, meanwhile, the pressure of the area contacting with the gum is uniformly distributed in the air-liquid mixing mode, the purpose of reducing the penetrating power and impact force caused by water columns is achieved, the oral cavity is protected, the pain feeling is reduced, the cleaning effect is improved, because the inside of the special structure with narrow middle and wide two ends, the integral production is difficult to occur during the production, therefore, the spray head main body is designed into a combined type, the spray head main body is formed by two sections of separated spray pipes and nozzles, the extrusion accelerating area is formed in the spray pipes, and the diffusion accelerating area, the air inlet and the air-liquid mixing area are formed in the nozzles. After the spray pipe and the spray nozzle are independently formed, the spray pipe and the spray nozzle can be assembled to form the spray head main body, so that the fluid channel is convenient to form.
The utility model discloses an optimal scheme does, the exit end in diffusion acceleration district is seted up to the inlet port. When the fluid flows fast, the outlet end of the diffusion acceleration area can not be blocked by the fluid, and the air inlet arranged at the outlet end of the diffusion acceleration area can allow more gas to enter the diffusion acceleration area, so that more gas can be mixed in the sprayed fluid, the experience of a user in the process of flushing teeth is effectively improved, and the comfort level is increased.
The utility model discloses an optimal scheme does, each position cross-section bore in gas-liquid mixture district is the same, and gas-liquid mixture district entrance point is the same and communicates with diffusion accelerating region exit end bore.
The utility model discloses an optimal scheme does, the exit end shaping in extrusion accelerating region has accelerating inclined plane, accelerating inclined plane's bore shrinkage factor is greater than the bore shrinkage factor of other positions in extrusion accelerating region.
The utility model discloses an optimal scheme does, the lower extreme shaping of spray tube has connecting slot, the spray tube can pass through connecting slot is fixed in on the water dental floss ware.
The utility model discloses an optimal scheme does, the ring channel has been seted up to the lateral surface of spray tube front end, the shaping has on the nozzle with the block cover of ring channel adaptation, the nozzle can pass through the block cover is fixed in the front end of spray tube in the cooperation of ring channel.
The utility model discloses an optimal scheme does, the external screw thread has been seted up to the lateral surface of spray tube front end, the shaping has on the nozzle with the internal thread that the external screw thread was joined in marriage, the nozzle can pass through the cooperation of internal and external screw thread is fixed in the spray tube front end.
The utility model discloses an optimal scheme does, the lateral surface of spray tube front end still the shaping has the guide way, and the guide way can make things convenient for nozzle card to spray tube on, improves the packaging efficiency.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a modular gas-liquid mixed type water dental floss shower nozzle, includes the shower nozzle main part, its characterized in that: a fluid passage which penetrates up and down is formed in the sprayer main body, and the fluid passage comprises an extrusion accelerating area, a diffusion accelerating area and a gas-liquid mixing area which are sequentially arranged from bottom to top;
the caliber of the channel of the extrusion accelerating area is gradually reduced, and the caliber of the inlet end of the extrusion accelerating area is larger than that of the outlet end of the extrusion accelerating area;
the caliber of the channel of the diffusion accelerating region is gradually increased, the caliber of the inlet end of the diffusion accelerating region is smaller than that of the outlet end of the diffusion accelerating region, and the caliber of the inlet end of the diffusion accelerating region is the same as that of the outlet end of the extrusion accelerating region and is communicated with that of the inlet end of the diffusion accelerating region;
the gas-liquid mixing area is positioned at the outlet end of the diffusion accelerating area and is used as a cavity for mixing gas and fluid;
the spray head main body is also provided with an air inlet which penetrates through the side wall of the diffusion accelerating area;
the spray head main body comprises a spray pipe and a spray nozzle clamped at the front end part of the spray pipe, and the caliber of an outlet of the spray pipe is the same as that of an inlet of the spray nozzle and is communicated with that of the spray nozzle; the extrusion accelerating area is formed in the spray pipe, and the diffusion accelerating area, the air inlet hole and the air-liquid mixing area are formed in the nozzle.
2. The combined gas-liquid mixed water dental floss spray head of claim 1, wherein: the air inlet is arranged at the outlet end of the diffusion accelerating area.
3. The combined gas-liquid mixed water dental floss spray head of claim 1, wherein: the section calibers of all parts of the gas-liquid mixing area are the same, and the inlet end of the gas-liquid mixing area is the same as and communicated with the outlet end of the diffusion accelerating area.
4. The combined gas-liquid mixed water dental floss spray head of claim 1, wherein: an accelerating inclined plane is formed at the outlet end of the extrusion accelerating area, and the caliber shrinkage rate of the accelerating inclined plane is larger than that of other parts of the extrusion accelerating area.
5. The combined gas-liquid mixed water dental floss spray head of claim 1, wherein: the lower end shaping of spray tube has connecting groove, the spray tube can pass through connecting groove is fixed in on the water dental floss ware.
6. The combined gas-liquid mixed water dental floss spray head of any one of claims 1-5, wherein: the outer side surface of the front end of the spray pipe is provided with an annular groove, the nozzle is provided with a clamping sleeve matched with the annular groove in a forming mode, and the nozzle can be fixed at the front end of the spray pipe through the matching of the clamping sleeve in the annular groove.
7. The combined gas-liquid mixed water dental floss spray head of any one of claims 1-5, wherein: the outer side surface of the front end of the spray pipe is provided with an external thread, an internal thread matched with the external thread is formed on the nozzle, and the nozzle can be fixed at the front end of the spray pipe through the matching of the internal thread and the external thread.
8. The combined gas-liquid mixed water dental floss spray head of claim 6, wherein: and a guide groove is formed on the outer side surface of the front end of the spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220099568.3U CN216823737U (en) | 2022-01-15 | 2022-01-15 | Combined gas-liquid mixed type water dental floss spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220099568.3U CN216823737U (en) | 2022-01-15 | 2022-01-15 | Combined gas-liquid mixed type water dental floss spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216823737U true CN216823737U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220099568.3U Active CN216823737U (en) | 2022-01-15 | 2022-01-15 | Combined gas-liquid mixed type water dental floss spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216823737U (en) |
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2022
- 2022-01-15 CN CN202220099568.3U patent/CN216823737U/en active Active
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