CN217761355U - Pipeline type air pump - Google Patents
Pipeline type air pump Download PDFInfo
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- CN217761355U CN217761355U CN202221619187.XU CN202221619187U CN217761355U CN 217761355 U CN217761355 U CN 217761355U CN 202221619187 U CN202221619187 U CN 202221619187U CN 217761355 U CN217761355 U CN 217761355U
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Abstract
The utility model relates to a pipeline type air pump which has the same structural characteristics and can generate large-range pressure, the core of the pipeline type air pump is that an outer rotor shell is directly and integrally formed with a fan blade in a die-casting way or a fan blade runner is clamped into the outer rotor shell through a clamping groove to form a rotor fan, a fan shell is in a conical barrel structure, and radiating fins are arranged on the outer side of the shell; the stator shaft is connected with the outer rotor through a bearing, blades of each group of fan blades are uniformly distributed along the circumferential direction, the plurality of groups of fan blades are arranged in order along the axial direction, and the air inlet end cover has the functions of positioning and supporting the stator shaft and the fan shell, supporting the annular air inlet of the fan and supporting the whole fan. The air outlet end cover has the functions of positioning and supporting the stator shaft and the fan shell, and supporting the fan air outlet and the whole fan. The utility model aims at providing an improve wind pressure, simple structure does not form the sharp curved passageway, forms the pipeline formula air pump of wind pressure and the big amount of wind on a large scale easily.
Description
Technical Field
The utility model belongs to the technical field of the air pump, refer in particular to a pipeline formula air pump.
Background
Ordinary air pump is as the vacuum pump, and the structure is complicated and to the part precision requirement higher, and the maintenance cost is also very high, and is single relatively when providing the product according to work wind pressure requirement moreover, and when forming serialization product, the wind pressure scope is narrower. In addition, a common air pump such as an air compressor can be added with a large amount of lubricating oil to reduce friction loss and increase the possibility of environmental pollution. After the air pump works for a long time, the inside of the air pump also generates higher temperature, so that the service life of working parts is shortened, and the working efficiency is reduced.
Disclosure of Invention
The utility model aims at providing a can improve wind speed pressure, simple structure does not form the sharp bend passageway, forms the pipeline formula air pump of wind pressure, big amount of wind on a large scale easily.
The purpose of the utility model is realized like this:
a pipeline type air pump comprises an external rotation motor, an air inlet end cover, an air outlet end cover and a fan shell, wherein the external rotation motor comprises an outer rotor, a rotor fan and a stator shaft,
the rotor fan is connected with the stator shaft through a bearing, the rotor fan comprises an outer rotor shell and fan blades circumferentially distributed on the outer rotor shell, a fan shell is sleeved outside the outer rotating motor, the inner wall of the fan shell is of a conical barrel structure, a gap is reserved between the rotor fan and the inner wall of the fan shell, and the air inlet end cover and the air outlet end cover are respectively and fixedly connected to two ends of the fan shell.
In the above-mentioned duct type air pump, one of the structures is that the outer rotor shell and the fan blades are integrally formed by die casting.
In the above-mentioned pipeline type air pump, the second structure is that the blade runner is clamped into the outer rotor shell through the clamping groove.
In the above-mentioned duct-type air pump, the inner wall of the blower housing and the rotor fan form a heat dissipation channel of the external rotation motor.
In the above-mentioned ducted air pump, at least three blades are circumferentially distributed on the outer rotor casing as a set.
In the above-mentioned ducted air pump, the rotor fans are at least two groups and are arranged orderly along the axial direction.
In the above-mentioned pipeline type air pump, the one end fixedly connected with air intake end cover that the fan shell cross section is big, other end fixedly connected with air outlet end cover, air intake end cover and air outlet end cover fixed connection stator shaft's both ends.
In the above-mentioned duct type air pump, the size of the fan blade gradually decreases from the air inlet end to the air outlet end.
In the above-mentioned pipeline type air pump, the lower end of the air outlet end cover is provided with an air outlet supporting leg, and the air outlet supporting leg and the air outlet end cover are integrally formed by die-casting; the air inlet end cover lower extreme is equipped with the air intake supporting legs, and the air intake supporting legs is integrated die-casting with the air intake end cover and is formed.
In the above-mentioned pipeline type air pump, there are at least 3 fin on the fan shell, the fin is the triangle-shaped structure.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses a casing is circular cone structure, its inside stator shaft that is provided with, external rotor and rotor fan, the external rotor is established on the stator shaft through the bearing housing, the air is when air intake to the air outlet from the fan, through rotor fan multistage compression, form the high pressure in inside, from the air outlet blowout after the air gathering, just so can increase the wind pressure, the fin equipartition is in the outside of casing, when can reduce the fan temperature like this, the fin that encircles can enclose into a cylindrical structure basically, the space of casing can effectually be utilized like this.
The utility model discloses a main parameter range, fan housing inner wall cross section is 0-90 degrees for axial angle, and the flabellum is 0-90 degrees for the flabellum corner angle interval of air intake terminal surface, and the flabellum cross section is 30-90 degrees for axial angle, and the flabellum is 3-300, and the rotor fan generally is 2-100 groups, and the quantity of every group fin is 3-500 pieces.
Drawings
Fig. 1 is one of the schematic structural diagrams of the first embodiment of the present invention.
Fig. 2 is a second schematic diagram of the first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a second cross-sectional view of the first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a rotor fan according to a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a rotor fan according to a second embodiment of the present invention.
Fig. 7 is a second structural schematic diagram of a rotor fan according to a second embodiment of the present invention.
1-a fan housing; 2-clearance; 3-a rotor fan; 3a outer rotor shell; 3 b-fan blades; 4-a stator shaft; 5-a bearing; 6-air inlet end cover; 7-air outlet end cover.
Detailed Description
The invention will be further described in the following with reference to the accompanying drawings in which:
embodiment one, as shown in fig. 1-5: a pipeline type air pump with 5.5KW power, 600mm length, 450mm diameter, 3600 r/min rotation speed and 233 kPa outlet pressure comprises an external rotation motor, an air inlet end cover, an air outlet end cover and a fan shell,
the external rotation motor comprises an external rotor, a rotor fan and a stator shaft, wherein the rotor fan is connected with the stator shaft through a bearing, and the rotor fan comprises an external rotor shell and fan blades which are circumferentially distributed on the external rotor shell; the outer side of the external rotation motor is sleeved with a fan shell, the inner wall of the fan shell is of a conical barrel structure, the angle of the cross section of the inner wall of the fan shell relative to the axial direction is 0-90 degrees, and the utility model discloses preferred adoption is 10 degrees; a gap is reserved between the rotor fan and the inner wall of the fan shell; and the air inlet end cover and the air outlet end cover are respectively and fixedly connected to two ends of the fan shell. Like this can be better compressed air, form high pressure inside, the air is gathered together the back blowout from the air outlet, increase injection wind pressure.
In the above-mentioned ducted air pump, the outer rotor casing and the fan blades are of an integrally formed structure, and particularly, the manufacturing cost can be reduced, and meanwhile, the connection stability of the outer rotor casing and the fan blades can be ensured.
In the pipeline type air pump, the inner wall of the fan shell and the rotor fan form a heat dissipation channel of the outward rotating motor, and in the working process of the fan, heat on the outward rotating motor can be taken away by air in the high-speed flowing process.
In the above-mentioned pipeline type air pump, the outer rotor shell is upwards distributed 20 pieces as a group, and the fan amount of wind can greatly be increased by evenly distributing a plurality of fan blades along the circumference.
In the above-mentioned pipeline type air pump, the rotor fan is 3 groups, and arrange in order along the axial direction, 3 groups of rotor fan flabellum are 90 degrees, 85 degrees, 80 degrees respectively from the air intake to the air outlet end relative to the angle of axial. The fan blade corner angles of the fan blades relative to the end face of the air inlet are respectively 65 degrees, 58 degrees and 40 degrees from the air inlet to the air outlet.
In the above-mentioned pipeline type air pump, the end of the fan housing with a large cross section is fixedly connected with the air inlet end cover, the other end is fixedly connected with the air outlet end cover, and the air inlet end cover and the air outlet end cover are used for fixedly connecting two ends of the stator shaft.
In the above-mentioned duct-type air pump, the size of the fan blade is gradually reduced from the air inlet end to the air outlet end, so as to improve the compression of air, and the compression is performed in one stage.
In the pipeline type air pump, the lower end of the air outlet end cover is provided with an air outlet supporting leg, and the air outlet supporting leg and the air outlet end cover are integrally formed in a die-casting manner; the air inlet end cover lower extreme is equipped with the air intake supporting legs, and the air intake supporting legs is the integrative die-casting shaping with the air intake end cover, and integrative die-casting stable performance, the technology is simplified more.
In foretell pipeline formula air pump, 80 fin on the fan shell, the fin is the triangle-shaped structure, and the fin is evenly arranged, and fan outlet air compression is high heat production, consequently increases the fin area, and fan inlet air has not begun the compression, consequently low heat production reduces the fin area, can increase the radiating efficiency on equal cost.
Example two, as shown in fig. 6 and 7: this embodiment is the same basically as embodiment one, and its difference lies in, back on every group flabellum runner passes through the draw-in groove card advances outer rotor shell, and every rotor fan of group closely laminates, and the bolt fastening is passed through at last first last both ends, and is concrete, and the product of being convenient for like this forms seriation, and the processing of the outer factory is entrusted to the motor of also being convenient for.
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 are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a pipeline formula air pump, includes outer motor of changeing, air intake end cover, air outlet end cover, fan housing, its characterized in that:
the external rotation motor comprises an external rotor, a rotor fan and a stator shaft, wherein the external rotor is connected with the stator shaft through a bearing, and the rotor fan comprises an external rotor shell and fan blades which are circumferentially distributed on the external rotor shell;
a fan shell is sleeved on the outer side of the outer rotating motor, the inner wall of the fan shell is of a conical barrel structure, and a gap is reserved between the rotor fan and the inner wall of the fan shell;
and the air inlet end cover and the air outlet end cover are respectively and fixedly connected to two ends of the fan shell.
2. The ducted air pump according to claim 1, wherein: the outer rotor shell and the fan blades are integrally formed in a die-casting mode.
3. The ducted air pump according to claim 1, wherein: the fan blade rotating wheel is clamped into the outer rotor shell through the clamping groove.
4. The ducted air pump according to claim 1, wherein: the inner wall of the fan shell and the rotor fan form a heat dissipation channel of the external rotation motor.
5. The ducted air pump according to claim 1, wherein: at least three fan blades are circumferentially distributed on the outer rotor shell to form a group.
6. The ducted air pump according to claim 5, wherein: the rotor fans are at least two groups and are orderly arranged along the axial direction.
7. The ducted air pump according to claim 1, wherein: the large-cross-section end of the fan shell is fixedly connected with an air inlet end cover, the other end of the fan shell is fixedly connected with an air outlet end cover, and the air inlet end cover and the air outlet end cover are fixedly connected with two ends of the stator shaft.
8. The ducted air pump according to claim 1, wherein: the size of the fan blade is gradually reduced from the air inlet end to the air outlet end.
9. The ducted air pump according to claim 1, wherein: the lower end of the air outlet end cover is provided with an air outlet supporting leg, and the air outlet supporting leg and the air outlet end cover are integrally formed in a die-casting mode; the air inlet end cover lower extreme is equipped with the air intake supporting legs, and the air intake supporting legs is integrated die-casting with the air intake end cover and is formed.
10. The ducted air pump according to claim 1, wherein: the fan shell is provided with at least 3 radiating fins which are of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221619187.XU CN217761355U (en) | 2022-06-27 | 2022-06-27 | Pipeline type air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221619187.XU CN217761355U (en) | 2022-06-27 | 2022-06-27 | Pipeline type air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761355U true CN217761355U (en) | 2022-11-08 |
Family
ID=83894261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221619187.XU Active CN217761355U (en) | 2022-06-27 | 2022-06-27 | Pipeline type air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761355U (en) |
-
2022
- 2022-06-27 CN CN202221619187.XU patent/CN217761355U/en active Active
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