CN211116185U - Labyrinth respirator with cooling fan - Google Patents
Labyrinth respirator with cooling fan Download PDFInfo
- Publication number
- CN211116185U CN211116185U CN201922212203.8U CN201922212203U CN211116185U CN 211116185 U CN211116185 U CN 211116185U CN 201922212203 U CN201922212203 U CN 201922212203U CN 211116185 U CN211116185 U CN 211116185U
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- fan
- labyrinth
- cavity
- cooling fan
- exhaust
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Abstract
The utility model discloses a labyrinth respirator with a cooling fan, belonging to the field of respirators and comprising a fan component and a labyrinth cavity, wherein the fan component and the labyrinth cavity are arranged up and down; the fan assembly comprises a driving fan, a cooling fan and a mounting cavity, the driving fan is arranged in the mounting cavity, the driving fan is coaxially connected with the cooling fan, and the cooling fan is arranged above the labyrinth cavity; the labyrinth cavity is used for buffering gas and balancing internal and external air pressure, so that noise can be effectively reduced, unseparated oil can be effectively filtered, the gas buffered by the labyrinth cavity enters the installation cavity, the driving fan is driven to rotate, and the cooling fan is used for cooling the labyrinth cavity and reducing the working temperature of the labyrinth cavity; the rotation of the cooling fan is realized by pushing the driving fan through high-speed gas, so that additional power is not needed, the energy is saved, and the labyrinth cavity can be effectively cooled.
Description
Technical Field
The utility model relates to a respirator field especially relates to a labyrinth respirator with cooling fan.
Background
The existing respirator is generally a labyrinth respirator with two cavities, gas enters from one cavity, is exhausted from an exhaust small hole after passing through a labyrinth structure, then enters from an air inlet small hole into the other cavity, and is exhausted from an exhaust port after passing through the labyrinth structure of the other cavity, so that the gas is buffered, but the labyrinth respirator has short flowing distance of the gas in the respirator and poor buffering effect on the gas; when the labyrinth respirator works, the cavity is easily heated due to the impact of high-speed gas on the cavity, and the normal operation of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a respirator that has cooling function to the respirator inner chamber.
To achieve the purpose, the utility model adopts the following technical proposal:
a labyrinth respirator with a cooling fan comprises a fan assembly and a labyrinth cavity, wherein the fan assembly and the labyrinth cavity are arranged up and down;
the fan assembly comprises a driving fan, a cooling fan and a mounting cavity, the driving fan is arranged in the mounting cavity, the driving fan is coaxially connected with the cooling fan, and the cooling fan is arranged above the labyrinth cavity;
the labyrinth cavity is provided with an air inlet pipeline, an exhaust hole and an air inlet hole, the air inlet pipeline is communicated with the exhaust hole, the air inlet hole is communicated with the installation cavity, and the installation cavity is communicated with the exhaust pipeline.
The labyrinth cavity is used for buffering gas and balancing internal and external air pressure, so that noise can be effectively reduced, unseparated oil can be effectively filtered, the gas buffered by the labyrinth cavity enters the installation cavity, the driving fan is driven to rotate, and the cooling fan is used for cooling the labyrinth cavity and reducing the working temperature of the labyrinth cavity; the rotation of the cooling fan is realized by pushing the driving fan through high-speed gas, so that additional power is not needed, the energy is saved, and the labyrinth cavity can be effectively cooled.
Preferably, the driving fan comprises a plurality of first fan blades and a connecting rotating shaft, the cooling fan comprises a plurality of second fan blades, the circumferential direction of the connecting rotating shaft is respectively provided with a plurality of first fan blades and a plurality of second fan blades which are obliquely arranged, and the oblique angles of the first fan blades and the second fan blades are the same.
Through set up first flabellum and second flabellum in the circumference of connecting the pivot, realized that the first flabellum of driving fan has received gaseous thrust and when rotating, the second flabellum of cooling fan also rotates, makes the coaxial rotation of driving fan and cooling fan, has realized need not extra power and can cool off the labyrinth cavity.
Preferably, an air inlet chamber and an air outlet chamber are arranged in the labyrinth cavity, the air inlet chamber is communicated with the air outlet hole, the air outlet chamber is communicated with the air inlet hole, and the air outlet chamber is communicated with the installation cavity.
The labyrinth cavity is provided with an air inlet chamber and an air outlet chamber, and labyrinth structures are arranged in the air inlet chamber and the air outlet chamber and used for buffering high-speed gas.
Preferably, the exhaust device further comprises a first connecting pipeline, one end of the first connecting pipeline is communicated with the exhaust chamber, and the other end of the first connecting pipeline is communicated with the installation cavity.
First connecting pipe is used for communicateing air discharge chamber and installation cavity, makes high-speed gas carry the installation cavity through first connecting pipe for promote the rotation of drive fan, when high-speed gas passes through first connecting pipe, first connecting pipe has also played the cushioning effect to gas, has guaranteed the buffering effect of respirator.
Preferably, the exhaust device further comprises a second connecting pipeline, one end of the second connecting pipeline is communicated with the installation cavity, and the other end of the second connecting pipeline is communicated with the exhaust pipeline.
The second connecting pipeline is used for communicating the installation cavity with the exhaust pipeline, so that gas in the installation cavity is discharged from the exhaust pipeline after passing through the second connecting pipeline, the gas pressure in the installation cavity is kept, and when high-speed gas passes through the second connecting pipeline, the second connecting pipeline also plays a role in buffering the gas, so that the buffering effect of the respirator is ensured.
Preferably, a middle partition plate is arranged in the exhaust pipeline, a first exhaust section is formed by one side of the middle partition plate and the inner wall of the exhaust pipeline, and a second exhaust section is formed by the other side of the middle partition plate and the exhaust pipeline.
The middle partition board is arranged on the exhaust pipeline, so that the first exhaust section and the second exhaust section are not communicated, namely, the first exhaust section and the second exhaust section are respectively communicated with the first connecting pipeline and the second connecting pipeline, and materials are saved.
Preferably, the fan assembly further includes a fan cover provided above the cooling fan.
The fan shroud is arranged above the cooling fan and used for protecting the second fan blade, so that the second fan blade is prevented from being touched by other sundries, and the use safety of the respirator is ensured.
Preferably, the fan assembly further comprises a bearing, an outer ring of the bearing is fixed on the surface of the labyrinth cavity, and an inner ring of the bearing is connected with the other end of the connecting rotating shaft.
The bearing is arranged for limiting the connecting rotating shaft, friction when the connecting rotating shaft rotates is reduced, and normal rotation of the driving fan and the cooling fan is guaranteed.
The utility model has the advantages that: the labyrinth cavity is used for buffering gas and balancing internal and external air pressure, so that noise can be effectively reduced, unseparated oil can be effectively filtered, the gas buffered by the labyrinth cavity enters the installation cavity, the driving fan is driven to rotate, and the cooling fan is used for cooling the labyrinth cavity and reducing the working temperature of the labyrinth cavity; the rotation of the cooling fan is realized by pushing the driving fan through high-speed gas, so that additional power is not needed, the energy is saved, and the labyrinth cavity can be effectively cooled.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the whole structure of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of a second connecting pipe of the present invention;
fig. 5 is a schematic cross-sectional view of the labyrinth chamber of the present invention.
Wherein: fan assembly 1, labyrinth cavity 2, driving fan 11, cooling fan 12, mounting cavity 123, air inlet pipe 212, exhaust pipe 222, exhaust hole 213, air inlet 223, first fan blade 111, connecting rotating shaft 112, second fan blade 121, air inlet chamber 211, exhaust chamber 221, first connecting pipe 41, second connecting pipe 42, intermediate diaphragm 224, first exhaust section 225, second exhaust section 226, fan cover 13, bearing 14.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the labyrinth respirator with a cooling fan of the present embodiment includes a fan assembly 1 and a labyrinth cavity 2, wherein the fan assembly 1 and the labyrinth cavity 2 are arranged above and below each other;
as shown in fig. 2 and 3, the fan assembly 1 includes a driving fan 11, a cooling fan 12 and a mounting cavity 123, the driving fan 11 is disposed in the mounting cavity 123, the driving fan 11 is coaxially connected to the cooling fan 12, and the cooling fan 12 is disposed above the labyrinth cavity 2;
an air inlet pipeline 212, an air outlet pipeline 222, an air outlet hole 213 and an air inlet hole 223 are formed in the labyrinth cavity 2, the air inlet pipeline 212 is communicated with the air outlet hole 213, the air inlet hole 223 is communicated with the installation cavity 123, and the installation cavity 123 is communicated with the air outlet pipeline 222.
The labyrinth cavity 2 is used for buffering gas and balancing internal and external air pressure, so that noise can be effectively reduced, unseparated oil can be effectively filtered, the gas buffered by the labyrinth cavity 2 enters the mounting cavity 123, the driving fan 11 is driven to rotate, so that the cooling fan 12 is driven to rotate, and the cooling fan 12 is used for cooling the labyrinth cavity 2 and reducing the working temperature of the labyrinth cavity 2; the rotation of the cooling fan 12 is realized by pushing the driving fan 11 by high-speed gas, so that additional power is not needed, the energy is saved, and the labyrinth cavity 2 can be effectively cooled.
As shown in fig. 3, the driving fan 11 includes a plurality of first fan blades 111 and a connecting rotating shaft 112, the cooling fan 12 includes a plurality of second fan blades 121, the connecting rotating shaft 112 is circumferentially provided with a plurality of first fan blades 111 and a plurality of second fan blades 121 which are obliquely arranged, and the first fan blades 111 and the second fan blades 121 are obliquely arranged at the same angle.
By arranging the first fan blade 111 and the second fan blade 121 in the circumferential direction of the connecting rotating shaft 112, when the first fan blade 111 of the driving fan 11 is rotated by the thrust of gas, the second fan blade 121 of the cooling fan 12 is also rotated, so that the driving fan 11 and the cooling fan 12 are coaxially rotated, and the labyrinth cavity 2 can be cooled without extra power.
As shown in fig. 5, an air inlet chamber 211 and an air outlet chamber 221 are arranged in the labyrinth cavity 2, the air inlet chamber 211 is communicated with the air outlet hole 213, the air outlet chamber 221 is communicated with the air inlet hole 223, and the air outlet chamber 221 is communicated with the installation cavity 123.
The labyrinth cavity 2 is provided with an air inlet chamber 211 and an air outlet chamber 221, and labyrinth structures are arranged in the air inlet chamber 211 and the air outlet chamber 221 and used for buffering high-speed gas.
The air exhaust device further comprises a first connecting pipeline 41, wherein one end of the first connecting pipeline 41 is communicated with the air exhaust chamber 221, and the other end of the first connecting pipeline 41 is communicated with the installation cavity 123.
The first connecting pipe 41 is used for communicating the exhaust chamber 221 with the mounting cavity 123, so that high-speed gas is conveyed to the mounting cavity 123 through the first connecting pipe, the high-speed gas is used for pushing the driving fan 11 to rotate, and when the high-speed gas passes through the first connecting pipe 41, the first connecting pipe 41 also has a buffering effect on the gas, and the buffering effect of the respirator is ensured.
As shown in fig. 1 and 4, the exhaust pipe assembly further includes a second connecting pipe 42, one end of the second connecting pipe 42 is communicated with the installation cavity 123, and the other end of the second connecting pipe 42 is communicated with the exhaust pipe 222.
The second connecting pipeline 42 is used for communicating the installation cavity 123 with the exhaust pipeline 222, so that the gas in the installation cavity 123 is exhausted from the exhaust pipeline 222 after passing through the second connecting pipeline 42, the gas pressure in the installation cavity 123 is kept, and when the high-speed gas passes through the second connecting pipeline 42, the second connecting pipeline 42 also has a buffering effect on the gas, and the buffering effect of the respirator is ensured.
An intermediate partition plate 224 is arranged in the exhaust pipeline 222, one side of the intermediate partition plate 224 and the inner wall of the exhaust pipeline 222 form a first exhaust section 225, and the other side of the intermediate partition plate 224 and the exhaust pipeline 222 form a second exhaust section 226.
The intermediate partition 224 is provided in the exhaust duct 222 so that the first exhaust section 225 and the second exhaust section 226 do not communicate with each other, i.e., they communicate with the first connecting duct 41 and the second connecting duct 42, respectively, to save materials.
The fan assembly 1 further comprises a fan cover 13, and the fan cover 13 is arranged above the cooling fan 12 in a covering mode.
The fan cover 13 covers the cooling fan 12 to protect the second blades 121, so as to prevent the second blades 121 from touching other impurities, thereby ensuring the safety of the respirator.
The fan assembly 1 further comprises a bearing 14, an outer ring of the bearing 14 is fixed on the surface of the labyrinth cavity 2, and an inner ring of the bearing 14 is connected with the other end of the connecting rotating shaft 112.
The bearing 14 is provided for limiting the connecting shaft 112, and reduces friction when the connecting shaft 112 rotates, ensuring normal rotation of the driving fan 11 and the cooling fan 12.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A labyrinth respirator with a cooling fan is characterized by comprising a fan assembly and a labyrinth cavity, wherein the fan assembly and the labyrinth cavity are arranged up and down;
the fan assembly comprises a driving fan, a cooling fan and a mounting cavity, the driving fan is arranged in the mounting cavity, the driving fan is coaxially connected with the cooling fan, and the cooling fan is arranged above the labyrinth cavity;
the labyrinth cavity is provided with an air inlet pipeline, an exhaust hole and an air inlet hole, the air inlet pipeline is communicated with the exhaust hole, the air inlet hole is communicated with the installation cavity, and the installation cavity is communicated with the exhaust pipeline.
2. The labyrinth respirator with the cooling fan according to claim 1,
the drive fan includes a plurality of first fan blades and connects the pivot, and the cooling fan includes a plurality of second fan blades, the circumference of connecting the pivot is equipped with the slope respectively and sets up a plurality ofly first fan blade and a plurality of second fan blade, first fan blade with the angle that second fan blade slope set up is the same.
3. The labyrinth respirator with the cooling fan as claimed in claim 1, wherein an inlet chamber and an outlet chamber are provided in the labyrinth cavity, the inlet chamber is communicated with the outlet hole, the outlet chamber is communicated with the inlet hole, and the outlet chamber is communicated with the mounting cavity.
4. The labyrinth respirator as claimed in claim 3, further comprising a first connecting duct, one end of which communicates with the exhaust chamber and the other end of which communicates with the mounting chamber.
5. The labyrinth respirator as claimed in claim 1, further comprising a second connecting duct, one end of which communicates with the mounting chamber and the other end of which communicates with the exhaust duct.
6. The labyrinth respirator with the cooling fan as claimed in claim 1, wherein an intermediate partition is provided in the exhaust duct, one side of the intermediate partition and the inner wall of the exhaust duct form a first exhaust section, and the other side of the intermediate partition and the exhaust duct form a second exhaust section.
7. The labyrinth respirator of claim 1, wherein the fan assembly further comprises a fan shroud disposed above the cooling fan.
8. The labyrinth respirator as claimed in claim 2, wherein the fan assembly further comprises a bearing, an outer ring of which is fixed to a surface of the labyrinth chamber, and an inner ring of which is connected to the other end of the connecting shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922212203.8U CN211116185U (en) | 2019-12-11 | 2019-12-11 | Labyrinth respirator with cooling fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922212203.8U CN211116185U (en) | 2019-12-11 | 2019-12-11 | Labyrinth respirator with cooling fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211116185U true CN211116185U (en) | 2020-07-28 |
Family
ID=71694861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922212203.8U Expired - Fee Related CN211116185U (en) | 2019-12-11 | 2019-12-11 | Labyrinth respirator with cooling fan |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211116185U (en) |
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2019
- 2019-12-11 CN CN201922212203.8U patent/CN211116185U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211211 |