CN218953643U - Double-deck breathing machine fan that effect of making an uproar is fallen - Google Patents
Double-deck breathing machine fan that effect of making an uproar is fallen Download PDFInfo
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- CN218953643U CN218953643U CN202221831932.7U CN202221831932U CN218953643U CN 218953643 U CN218953643 U CN 218953643U CN 202221831932 U CN202221831932 U CN 202221831932U CN 218953643 U CN218953643 U CN 218953643U
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Abstract
The utility model discloses a double-layer ventilator fan with good noise reduction effect, which comprises a fan lower shell, a fan upper shell and a fan body, wherein the fan body is arranged in the fan upper shell, an air inlet is formed in the side face of the fan lower shell, an air outlet is formed in the side face of the fan upper shell, a partition plate and a baffle are arranged on the inner side wall of the fan lower shell, sound absorbing cotton is arranged on the inner side wall of the fan lower shell and the outer surface of the partition plate, a flow blocker is arranged in the fan lower shell, a sealing plate is arranged between the fan lower shell and the fan upper shell, the sealing plate is attached to the fan lower shell, and a first through hole, a second through hole and a third through hole are formed in the surfaces of the fan lower shell and the sealing plate; the air path A of the fan flows to an air inlet, a first through hole, a first cavity B, a second through hole, a third through hole, a second cavity C, a fan body, a third cavity D and an air outlet, and the longer air path can attenuate noise generated by the fan body.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a double-layer ventilator fan with a good noise reduction effect.
Background
The breathing machine has the advantages that the breathing machine can prevent and treat respiratory failure, increase lung ventilation, improve respiratory function, reduce complications and save and prolong vital medical equipment of patient life, a fan of the breathing machine is fixed on a base or a shell in a hard connection mode, vibration is large during operation, an air inlet of the fan is used for air intake, air is exhausted from an air outlet, an air path of the fan is short, and noise is easy to generate.
The existing ventilator fan air inlet is used for air intake, air is exhausted from the air outlet, the air path of the fan is short, and noise is easy to generate.
Disclosure of Invention
The utility model aims to provide a double-layer ventilator fan with good noise reduction effect, so as to solve the problems that the fan provided in the background art is short in air path and easy to generate noise.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-deck breathing machine fan that noise reduction effect is good, includes fan inferior valve, fan epitheca and fan body, and fan inferior valve, fan epitheca pass through the screw and close the connection, and fan body operation produces the negative pressure, plays the effect of air feed, increases lung ventilation volume for the breathing machine, improves respiratory function, reduces the complication, the inside at the fan epitheca is installed to the fan body, the side of fan inferior valve is provided with the air inlet, the side of fan epitheca is provided with the gas outlet, the air inlet of fan inferior valve, follows the gas outlet air feed of fan epitheca, be provided with division board, baffle on the inside wall of fan inferior valve and the surface of division board all, inhale the sound cotton and be connected through glue bonding with inside wall, the division board of fan inferior valve, the inside of fan inferior valve is provided with the flow blocker, be provided with the closing plate between fan inferior valve and the fan epitheca, the closing plate plays the effect of keeping apart inside cavity of fan inferior valve, fan epitheca, the closing plate laminating has been seted up first through-hole, second through-hole and third through-hole, third through-hole and cavity C has been seted up on the surface of fan inferior valve, third through-hole and the cavity C.
Preferably, the inside of fan inferior valve has been seted up the circulation of air chamber, division board and baffle are located the circulation of air intracavity portion, the gas circuit trend in fan inferior valve and the fan epitheca is fan gas circuit A, and fan gas circuit A flows to being air inlet, first through-hole, first cavity B, second through-hole, third through-hole, second cavity C, fan body, third cavity D and gas outlet, and fan gas circuit A's air flue is long, makes the noise attenuation that the fan produced.
Preferably, the first through hole, the second through hole and the first cavity B are communicated.
Preferably, the third through hole is communicated with the second cavity C, and an exhaust port is arranged on the fan body and is communicated with the third cavity D.
Preferably, the first cavity B, the second cavity C and the third cavity D in the fan upper case are not communicated.
Preferably, the bottom and the top of the fan body are respectively provided with a first damping lower shell and a second damping ring upper shell, the first damping lower shell 14 and the second damping ring upper shell 15 are made of rubber materials, and the first damping lower shell and the second damping ring upper shell can buffer vibration force generated by the fan body.
Preferably, the air hole is arranged on the air flow blocking device.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the fan inferior valve, fan epitheca, closing plate, the division board that set up, fan gas circuit A flows to for air inlet, first through-hole, first cavity B, second through-hole, third through-hole, second cavity C, fan body, third cavity D and gas outlet, longer gas circuit, can make the noise that the fan body produced obtain the attenuation.
2. Through the sound absorbing cotton that sets up, the sound absorbing cotton plays the effect of making an uproar that falls, makes the noise that fan body operation produced low.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the lower and upper fan shells of the present utility model;
FIG. 3 is a schematic view of the bottom structure of the lower housing of the blower of the present utility model;
FIG. 4 is a schematic diagram of a front view of a fan body according to the present utility model;
FIG. 5 is a schematic side view of the air dam of FIG. 2 illustrating the present utility model;
in the figure: 1. a fan lower case; 2. an air inlet; 3. an upper housing of the blower; 4. an air outlet; 5. a sealing plate; 6. a partition plate; 7. a first through hole; 8. a second through hole; 9. a third through hole; 10. sound absorbing cotton; 11. a baffle; 12. a flow blocking device; 13. a fan body; 14. a first shock-absorbing lower case; 15. a second shock ring upper case; A. a fan air path; B. a first cavity; C. a second cavity; D. and a third cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a double-deck ventilator fan that noise reduction effect is good, including fan inferior valve 1, fan superior case 3 and fan body 13, fan body 13 installs in the inside of fan superior case 3, the side of fan inferior valve 1 is provided with air inlet 2, the side of fan superior case 3 is provided with gas outlet 4, be provided with division board 6 on the inside wall of fan inferior valve 1, baffle 11, the air circulation chamber has been seted up to the inside of fan inferior valve 1, division board 6 and baffle 11 are located the air circulation intracavity, division board 6 and baffle 11 separate the air circulation chamber, all be provided with on the inside wall of fan inferior valve 1 and the surface of division board 6 and inhale the sound cotton 10, inhale the sound cotton 10 and play the effect of noise reduction, the inside of fan inferior valve 1 is provided with the stopper 12, the stopper 12 plays the effect of changing this part both ends atmospheric pressure and flow data, be provided with closing plate 5 between fan inferior valve 1 and the fan superior case 3, the sealing plate 5 is attached to the lower fan shell 1, a first through hole 7, a second through hole 8 and a third through hole 9 are formed in the surfaces of the lower fan shell 1 and the sealing plate 5, a first cavity B, a second cavity C and a third cavity D are formed in the upper fan shell 3, the air paths in the lower fan shell 1 and the upper fan shell 3 are in the trend of a double-layer air path, the air paths of the upper fan shell 3 and the lower fan shell 1 are formed by the air inlet 2 along the arrow, namely, the air paths of the upper fan shell 1 are in the flow direction of the air paths of the upper fan shell 2, the first through hole 7, the first cavity B, the second through hole 8, the third through hole 9, the second cavity C, the fan body 13, the third cavity D and the air outlet 4, a layer of air paths are formed in the lower fan shell 1, a layer of air paths is formed in the upper fan shell 3, the air paths of the fan body 13 are in the double-layer air paths, and the air paths of the upper fan shell A are longer and longer, noise generated from the fan body 13 can be attenuated.
In this embodiment, the air circulation cavity is provided in the lower fan casing 1, the partition plate 6 and the baffle 11 are located in the air circulation cavity, the partition plate 6 and the baffle 11 separate the air circulation cavity, the air path trend in the lower fan casing 1 and the upper fan casing 3 is a fan air path a, the fan air path a passes through the upper fan casing 3 along the arrow by the air inlet 2, and the air path formed in the lower fan casing 1, that is, the air path a flow direction of the fan is the air inlet 2, the first through hole 7, the first cavity B, the second through hole 8, the third through hole 9, the second cavity C, the fan body 13, the third cavity D and the air outlet 4, a layer of air path is provided in the lower fan casing 1, a layer of air path is provided in the upper fan casing 3, the air path of the fan body 13 is a double-layer air path, and the air path of the fan air path a is longer, and the longer air path can attenuate the noise generated by the fan body 13.
In this embodiment, the first through hole 7, the second through hole 8 and the first cavity B are connected, the third through hole 9 and the second cavity C are connected, the fan body 13 is provided with an exhaust port, the exhaust port is communicated with the third cavity D, and the first cavity B, the second cavity C and the third cavity D in the fan upper shell 3 are not communicated, so that the air path of the fan body 13 forms a double-layer air path.
In this embodiment, a first damping lower case 14 and a second damping ring upper case 15 are respectively provided on the bottom and top of the fan body 13, the first damping lower case 14 and the second damping ring upper case 15 are made of rubber materials, and the first damping lower case 14 and the second damping ring upper case 15 have damping effects.
In this embodiment, the air hole is arranged on the air flow blocking device 12, the air flow can pass through the air flow blocking device 12, the air hole is arranged on the air flow blocking device 12, and the air flow passes through the air flow blocking device 12, so that the air pressure and the flow data at two ends of the component are different.
The working principle and the using flow of the utility model are as follows:
when the fan body 13 is fixedly connected to the base or the shell of the breathing machine, the fan body 13 operates, the air channel of the fan body 13 is a double-layer air channel, the air channel of the fan air channel A is longer, the fan air channel A passes through the fan upper shell 3 and the air channel formed in the fan lower shell 1 shell along an arrow from the air inlet 2, namely, the air channel A flows to the air inlet 2, the first through hole 7, the first cavity B, the second through hole 8, the third through hole 9, the second cavity C, the fan body 13, the third cavity D and the air outlet 4, and the longer air channel can attenuate noise generated by the fan body 13;
when the air flow circulates in the fan lower shell 1, the sound absorbing cotton 10 plays a role in noise reduction, so that the noise generated by the operation of the fan body 13 is low.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a double-deck breathing machine fan that effect of making an uproar is good, includes fan inferior valve (1), fan epitheca (3) and fan body (13), its characterized in that: the novel air conditioner is characterized in that the fan body (13) is arranged inside the fan upper shell (3), an air inlet (2) is formed in the side face of the fan lower shell (1), an air outlet (4) is formed in the side face of the fan upper shell (3), a partition plate (6) and a baffle (11) are arranged on the inner side wall of the fan lower shell (1), sound absorbing cotton (10) is arranged on the inner side wall of the fan lower shell (1) and the outer surface of the partition plate (6), a flow blocking device (12) is arranged inside the fan lower shell (1), a sealing plate (5) is arranged between the fan lower shell (1) and the fan upper shell (3), the sealing plate (5) is attached to the fan lower shell (1), a first through hole (7), a second through hole (8) and a third through hole (9) are formed in the surface of the fan lower shell (1), and a first cavity B, a second cavity C and a third cavity D are formed in the inner side of the fan upper shell (3).
2. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: the inside of fan inferior valve (1) has seted up the circulation of air chamber, division board (6) and baffle (11) are located the circulation of air intracavity portion, the gas circuit trend in fan inferior valve (1) and fan epitheca (3) is fan gas circuit A, and fan gas circuit A flows to being air inlet (2), first through-hole (7), first cavity B, second through-hole (8), third through-hole (9), second cavity C, fan body (13), third cavity D and gas outlet (4).
3. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: the first through hole (7), the second through hole (8) and the first cavity B are communicated.
4. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: the third through hole (9) is communicated with the second cavity C, an exhaust port is formed in the fan body (13), and the exhaust port is communicated with the third cavity D.
5. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: the first cavity B, the second cavity C and the third cavity D in the upper fan shell (3) are not communicated.
6. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: the bottom and the top of the fan body (13) are respectively provided with a first damping lower shell (14) and a second damping ring upper shell (15).
7. The double-deck ventilator fan that noise reduction effect is good according to claim 1, characterized in that: and the air hole is formed in the air flow blocking device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831932.7U CN218953643U (en) | 2022-07-16 | 2022-07-16 | Double-deck breathing machine fan that effect of making an uproar is fallen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831932.7U CN218953643U (en) | 2022-07-16 | 2022-07-16 | Double-deck breathing machine fan that effect of making an uproar is fallen |
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| Publication Number | Publication Date |
|---|---|
| CN218953643U true CN218953643U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221831932.7U Active CN218953643U (en) | 2022-07-16 | 2022-07-16 | Double-deck breathing machine fan that effect of making an uproar is fallen |
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| CN (1) | CN218953643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145810A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Breathing machine |
| CN117145809A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
-
2022
- 2022-07-16 CN CN202221831932.7U patent/CN218953643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145810A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Breathing machine |
| CN117145809A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
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