CN220415749U - High-flow axial-flow air pump structure - Google Patents
High-flow axial-flow air pump structure Download PDFInfo
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- CN220415749U CN220415749U CN202321989416.1U CN202321989416U CN220415749U CN 220415749 U CN220415749 U CN 220415749U CN 202321989416 U CN202321989416 U CN 202321989416U CN 220415749 U CN220415749 U CN 220415749U
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- 230000007547 defect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 20
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- 230000007423 decrease Effects 0.000 description 1
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Abstract
The utility model discloses a high-flow axial flow air pump structure, and aims to solve the defect that the conventional electric pump can only meet the single requirement of high-flow inflation or high-pressure inflation and has poor inflation effect. The utility model comprises a pump body, wherein the pump body is internally provided with: a centrifugal air chamber, wherein a flow increasing impeller is arranged in the centrifugal air chamber; an axial flow air chamber, in which a pressurizing impeller is installed; a swirl chamber; an air supply flow passage is arranged between the centrifugal air chamber and the axial flow air chamber, a vortex flow passage is arranged between the axial flow air chamber and the vortex cavity, the vortex flow passage is arranged near the periphery of the pressurizing impeller, and the vortex flow passage is arranged in a downward inclined mode in the circumferential direction. The high-flow axial flow air pump structure can not only meet the requirement of high-flow rapid inflation, but also meet the requirement of high-pressure inflation, and has good inflation effect.
Description
Technical Field
The utility model relates to the technical field of inflation devices, in particular to a high-flow axial flow air pump structure.
Background
At present, many inflatable products are matched with an electric pump, and the inflatable products are inflated through the electric pump, so that compared with manual inflation, the inflatable speed is greatly improved, and time and labor are saved. However, when many inflatable products are used, certain requirements are set for the internal air pressure, so that the condition that the air pressure is too small to meet the use requirements of the inflatable products is avoided. Along with the inflation, the air pressure in the inflatable product is larger and larger, the inflation resistance is increased, and the conventional electric pump can only meet the single requirement of high-flow inflation or high-pressure inflation, so that the inflation effect is poor.
Disclosure of Invention
In order to overcome the defects, the utility model provides a high-flow axial flow air pump structure which can not only meet the requirement of high-flow rapid inflation, but also meet the requirement of high-pressure inflation, and has good inflation effect.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a high-flow axial-flow air pump structure, includes the pump body, sets up in the pump body:
a centrifugal air chamber, wherein a flow increasing impeller is arranged in the centrifugal air chamber;
an axial flow air chamber, in which a pressurizing impeller is installed;
a swirl chamber;
an air supply flow passage is arranged between the centrifugal air chamber and the axial flow air chamber, a vortex flow passage is arranged between the axial flow air chamber and the vortex cavity, the vortex flow passage is arranged near the periphery of the pressurizing impeller, and the vortex flow passage is arranged in a downward inclined mode in the circumferential direction.
The flow increasing impeller runs in the centrifugal air chamber to form high flow, the high flow is sent into the axial flow air chamber through the air supply flow passage, the pressurizing impeller runs in the axial flow air chamber to pressurize the air flow, the pressurized air flow is conveyed into the vortex cavity through the vortex flow passage to form vortex, and finally the air flow is flushed out through the vortex in a homeotropic manner, so that high pressure is formed, and meanwhile, the output of the flow is greatly increased. The high-flow axial flow air pump structure can not only meet the requirement of high-flow rapid inflation, but also meet the requirement of high-pressure inflation, and has good inflation effect.
Preferably, a driving motor is arranged in the vortex cavity, an output shaft of the driving motor penetrates into the axial flow air chamber and the centrifugal air chamber, and the flow increasing impeller and the pressurizing impeller are both arranged on the output shaft of the driving motor.
The same driving motor drives the flow increasing impeller and the pressurizing impeller to rotate, which is beneficial to reducing the cost.
Preferably, the top and the bottom of the centrifugal air chamber on the pump body are respectively provided with an upper cover and a separation disc, the separation disc is provided with a convex ring, the flow increasing impeller is arranged in the convex ring, and the air inlet opening of the air supply runner is arranged on the convex ring.
The air inlet opening of the air supply runner is arranged on the convex ring, which is beneficial to the flow of air flow.
Preferably, the top and the bottom of the axial flow air chamber on the pump body are respectively provided with a connecting cover and a vortex disk, the air outlet opening of the air supply flow channel is provided with the middle part of the connecting cover, and the vortex flow channel is arranged at the edge of the vortex disk.
The middle of the pressurizing impeller is charged, the edge is discharged through the centrifugal force, and the air flow is pressurized.
Preferably, an air inlet is arranged in the middle of the centrifugal air chamber, and an air outlet is arranged in the middle of the bottom of the vortex cavity.
The air inlet is arranged in the middle of the centrifugal air chamber, and air intake is smooth. The center of the vortex airflow formed in the vortex cavity is at the middle position, and the air outlet is arranged at the middle position of the vortex cavity, so that the impact force of the airflow is large.
Preferably, the flow increasing impeller comprises a rotary disc and a plurality of centrifugal blades, wherein the centrifugal blades are of arc-shaped structures, and the centrifugal blades are obliquely arranged from the inner end to the outer end to deviate from the radial direction.
After the flow increasing impeller rotates, the air flow is thrown outwards through centrifugal force, and the centrifugal blades are inclined, so that the air flow is thrown outwards.
Preferably, centrifugal channels are formed between two adjacent centrifugal blades, and the width of each centrifugal channel is gradually increased from inside to outside.
The width of the arc centrifugal channel is gradually increased from inside to outside, which is favorable for outward throwing out of air flow.
Preferably, the pressurizing impeller comprises an upper sealing plate and a lower sealing plate, a plurality of sealing blades are connected between the upper sealing plate and the lower sealing plate, the sealing blades are of arc-shaped structures, and the sealing blades are obliquely arranged from the inner end to the outer end to deviate from the radial direction.
The pressurizing impeller with the structure forms a closed structure, and in the operation process of the pressurizing impeller, air flow is thrown outwards through centrifugal force, and the inclination of the closed blades is beneficial to throwing the air flow outwards.
Preferably, an air outlet channel is formed between two adjacent closed blades, and the width of the air outlet channel is gradually increased from inside to outside.
The closed air outlet channel is beneficial to increasing the air pressure.
Preferably, the upper closing plate is arranged obliquely downwards from the middle to the edge, and the gap between the upper closing plate and the lower closing plate gradually decreases from inside to outside.
The inclined arrangement of the upper closing plate is beneficial to increasing the airflow pressure.
Compared with the prior art, the utility model has the beneficial effects that: (1) The high-flow axial flow air pump structure can meet the requirement of high-flow rapid inflation and high-pressure inflation, and has good inflation effect; (2) One motor drives two impellers to operate, so that the cost is reduced; (3) The driving motor is arranged in the vortex cavity, the air flow continuously flows, the heating problem of the driving motor can be greatly reduced, the output efficiency of the driving motor is improved, meanwhile, the safety problem and hidden danger are avoided, and the performance and the service life of a product can be greatly improved.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
in the figure: 1. the centrifugal air chamber, 2, the flow increasing impeller, 3, the axial flow air chamber, 4, the pressurizing impeller, 5, the vortex cavity, 6, the driving motor, 7, the air supplying flow passage, 8, the vortex flow passage, 9, the air inlet, 10, the air outlet, 11, the inflow opening, 12, the outflow opening, 13, the air passage, 14, the upper cover, 15, the separation disc, 16, the connecting cover, 17, the vortex disc, 18, the vortex cylinder, 19, the convex ring, 20, the convex rib, 21, the centrifugal blade, 22, the centrifugal channel, 23, the upper sealing plate, 24, the lower sealing plate, 25, the sealing blade, 26, the air outlet channel, 27 and the air inlet hole.
Detailed Description
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
examples: the utility model provides a high-flow axial-flow air pump structure (see fig. 1 to 3), includes the pump body, sets up in the pump body:
a centrifugal air chamber 1, in which a flow increasing impeller 2 is arranged; the flow increasing impeller is a centrifugal impeller;
an axial flow air chamber 3 in which a pressurizing impeller 4 is installed; the pressurizing impeller is a closed impeller;
a swirl chamber 5; the axial flow air chamber is arranged between the centrifugal air chamber and the vortex cavity;
an air supply flow passage 7 is arranged between the centrifugal air chamber and the axial flow air chamber, a vortex flow passage 8 is arranged between the axial flow air chamber and the vortex cavity, the vortex flow passage is arranged near the periphery of the pressurizing impeller, and the periphery of the vortex flow passage is inclined downwards. An air inlet 9 is arranged in the middle of the centrifugal air chamber, and an air outlet 10 is arranged in the middle of the bottom of the vortex cavity. The air supply flow passage comprises an inflow port 11 and an outflow port 12, the inflow port is arranged along the tangential direction of the centrifugal air chamber, and the outflow port is arranged in the middle of the axial flow air chamber; an arc-shaped air passage 13 is arranged between the inflow port and the outflow port.
A driving motor 6 is arranged in the vortex cavity, an output shaft of the driving motor penetrates into the axial flow air chamber and the centrifugal air chamber, and a flow increasing impeller and a pressurizing impeller are both arranged on the output shaft of the driving motor. The top and the bottom of the centrifugal air chamber on the pump body are respectively provided with an upper cover 14 and a separation disc 15, the air inlet is arranged in the middle of the upper cover, the separation disc is provided with a convex ring 19, the flow increasing impeller is arranged in the convex ring, the upper end surface of the convex ring is in sealing fit with the upper cover, and the air inlet opening of the air supply flow channel is tangentially arranged on the convex ring.
The top and the bottom of the axial flow air chamber on the pump body are respectively provided with a connecting cover 16 and a vortex disk 17, the air outlet opening of the air supply flow channel is provided with the middle part of the connecting cover, and the vortex flow channel is arranged at the edge of the vortex disk. The vortex tube 18 is connected below the vortex plate, and a vortex cavity is formed in the inner cavity of the vortex tube. The upper surface of the connecting cover is provided with a convex rib 20, the upper end of the convex rib is in sealing fit with the lower surface of the separation disc to form an air passage, and the end part of the air passage penetrates through the upper surface of the separation disc and is communicated with the inflow port.
The flow increasing impeller comprises a turntable and a plurality of centrifugal blades 21, wherein the centrifugal blades are uniformly distributed in the circumferential direction and are of arc-shaped structures, and the centrifugal blades are obliquely arranged from the inner end to the outer end to deviate from the radial direction. Centrifugal channels 22 are formed between two adjacent centrifugal blades, and the width of the centrifugal channels gradually increases from inside to outside. The pressurizing impeller comprises an upper sealing plate 23 and a lower sealing plate 24, a plurality of sealing blades 25 are connected between the upper sealing plate and the lower sealing plate, the sealing blades are of arc-shaped structures, and the sealing blades are obliquely arranged from the inner end to the outer end to deviate from the radial direction. And an air outlet channel 26 is formed between two adjacent closed blades, and the width of the air outlet channel is gradually increased from inside to outside. The upper closing plate is arranged in a downward inclined way from the middle to the edge, and the gap between the upper closing plate and the lower closing plate is gradually reduced from inside to outside. The middle part of the upper sealing plate is provided with an air inlet 27, and the edge of the air inlet is inclined upwards for guiding flow.
The flow increasing impeller runs in the centrifugal air chamber to form high flow, the high flow is sent into the axial flow air chamber through the air supply flow passage, the pressurizing impeller runs in the axial flow air chamber to pressurize the air flow, the pressurized air flow is conveyed into the vortex cavity through the vortex flow passage to form vortex, and finally the air flow is flushed out through the vortex in a homeotropic manner, so that high pressure is formed, and meanwhile, the output of the flow is greatly increased. The high-flow axial flow air pump structure can not only meet the requirement of high-flow rapid inflation, but also meet the requirement of high-pressure inflation, and has good inflation effect.
The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (10)
1. The utility model provides a high-flow axial-flow type air pump structure which is characterized by, including the pump body, set up in the pump body:
a centrifugal air chamber, wherein a flow increasing impeller is arranged in the centrifugal air chamber;
an axial flow air chamber, in which a pressurizing impeller is installed;
a swirl chamber;
an air supply flow passage is arranged between the centrifugal air chamber and the axial flow air chamber, a vortex flow passage is arranged between the axial flow air chamber and the vortex cavity, the vortex flow passage is arranged near the periphery of the pressurizing impeller, and the vortex flow passage is arranged in a downward inclined mode in the circumferential direction.
2. The high-flow axial flow air pump structure according to claim 1, wherein a driving motor is installed in the vortex cavity, an output shaft of the driving motor penetrates into the axial flow air chamber and the centrifugal air chamber, and the flow increasing impeller and the pressurizing impeller are installed on the output shaft of the driving motor.
3. The high-flow axial flow air pump structure according to claim 1, wherein the top and the bottom of the centrifugal air chamber on the pump body are respectively provided with an upper cover and a separation disc, the separation disc is provided with a convex ring, the flow increasing impeller is arranged in the convex ring, and the air inlet opening of the air supply runner is arranged on the convex ring.
4. The high-flow axial flow air pump structure according to claim 1, wherein the top and the bottom of the axial flow air chamber on the pump body are respectively provided with a connecting cover and a vortex disk, the air outlet opening of the air supply flow channel is provided with the middle part of the connecting cover, and the vortex flow channel is arranged at the edge of the vortex disk.
5. The high-flow axial flow air pump structure according to claim 1, wherein the centrifugal air chamber is provided with an air inlet at a middle position and an air outlet at a middle position of the bottom of the vortex chamber.
6. The high flow axial flow air pump structure as claimed in claim 1, wherein the flow increasing impeller comprises a turntable and a plurality of centrifugal blades, the centrifugal blades are arc-shaped, and the centrifugal blades are inclined from the inner end to the outer end to deviate from the radial direction.
7. The high flow rate axial flow air pump structure as defined in claim 6, wherein a centrifugal passage is formed between two adjacent centrifugal blades, and the width of the centrifugal passage is gradually increased from inside to outside.
8. The high flow rate axial flow air pump structure as defined in any one of claims 1-7, wherein the pressurizing impeller comprises an upper closing plate and a lower closing plate, a plurality of closing blades are connected between the upper closing plate and the lower closing plate, the closing blades are in an arc-shaped structure, and the closing blades are obliquely arranged from the inner end to the outer end to deviate from the radial direction.
9. The high flow rate axial flow air pump structure as defined in claim 8, wherein an air outlet channel is formed between two adjacent closing blades, and the width of the air outlet channel is gradually increased from inside to outside.
10. The high flow rate axial flow air pump structure as defined in claim 8, wherein the upper closing plate is inclined downwardly from the middle toward the edge, and the gap between the upper closing plate and the lower closing plate is gradually reduced from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989416.1U CN220415749U (en) | 2023-07-26 | 2023-07-26 | High-flow axial-flow air pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989416.1U CN220415749U (en) | 2023-07-26 | 2023-07-26 | High-flow axial-flow air pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415749U true CN220415749U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321989416.1U Active CN220415749U (en) | 2023-07-26 | 2023-07-26 | High-flow axial-flow air pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415749U (en) |
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2023
- 2023-07-26 CN CN202321989416.1U patent/CN220415749U/en active Active
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