CN213717783U - Circulating air cooling structure of air pump motor - Google Patents
Circulating air cooling structure of air pump motor Download PDFInfo
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- CN213717783U CN213717783U CN202023244893.4U CN202023244893U CN213717783U CN 213717783 U CN213717783 U CN 213717783U CN 202023244893 U CN202023244893 U CN 202023244893U CN 213717783 U CN213717783 U CN 213717783U
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Abstract
The utility model discloses a circulation forced air cooling structure of air pump motor, include: a motor housing in which a motor is disposed; the top of the crank case is hermetically connected with the motor shell, wherein the top of the crank case is provided with a vent hole for communicating the inner cavity of the motor shell with the inner cavity of the crank case, and the side wall of the crank case is provided with a crank case air outlet pipe; one end of the cylinder body is hermetically connected with the crank box; the cylinder head is connected with the cylinder body in a sealing mode, a first cylinder head air pipe and a second cylinder head air pipe are arranged on the side wall of the cylinder head, and the first cylinder head air pipe is connected with the crank box air outlet pipe through a connecting hose. The sealing structure is formed among the motor shell, the crank box, the cylinder body and the cylinder head in sequence, the motor can be cooled without external equipment during working, a circulating air cooling mode is adopted, the structure is simple, the cost is saved, and the installation is convenient.
Description
Technical Field
The utility model belongs to the technical field of the air pump, concretely relates to circulation forced air cooling structure of air pump motor.
Background
The existing motor cooling generally adopts: (1) the naturally cooled motor does not need a special method to cool each part of the motor, and only drives air to flow by the rotation of the rotor to cool; (2) the self-ventilated heating part of the motor is cooled by a built-in fan or a special device attached to the rotating part of the motor; (3) the outer surface of the motor (blowing cooling type motor) with external ventilation is cooled by the wind generated by a fan arranged on the shaft of the motor, and the outside air can not enter the heating part in the motor; (4) the circulation of the motor cooling medium with additional cooling equipment is produced by special means outside the motor, such as water cooling tanks, air cooling tanks, centrifugal vortex fans, etc. Cooling the motor by using liquid or gas to maintain the stable operation of the motor and avoid motor faults caused by high temperature; the cooling structures are all complex except natural cooling, and the manufacturing process and the cost are high; in order to avoid the failure of the short circuit of the motor caused by water entering the coil part of the motor, the motor is waterproof by adopting a sealing mechanism matched with a sealant, a sealing gasket and the like, the gluing process is complicated, and the cost of the sealing gasket is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a circulation forced air cooling structure of air pump motor.
The utility model discloses the technical scheme who adopts does: a circulating air cooling structure of an air pump motor comprises:
a motor housing in which a motor is disposed;
the top of the crank case is hermetically connected with the motor shell, wherein the top of the crank case is provided with a vent hole for communicating the inner cavity of the motor shell with the inner cavity of the crank case, and the side wall of the crank case is provided with a crank case air outlet pipe;
one end of the cylinder body is hermetically connected with the crank box;
the cylinder head is connected with the cylinder body in a sealing mode, a first cylinder head air pipe and a second cylinder head air pipe are arranged on the side wall of the cylinder head, and the first cylinder head air pipe is connected with the crank box air outlet pipe through a connecting hose.
As an optional technical scheme, a crank mechanism connected with an output shaft of the motor is arranged in the crank box, and a piston connected with the crank mechanism is arranged in the cylinder body.
As an optional technical solution, the crank mechanism includes:
the crank is connected with an output shaft of the motor;
one end of the connecting screw is connected with the crank;
and one end of the connecting rod is provided with a first deep groove ball bearing, the other end of the connecting rod is connected with the piston, and the inner ring of the first deep groove ball bearing is connected with the other end of the connecting screw.
As an optional technical solution, a second deep groove ball bearing for mounting the output shaft is further arranged at the top of the crank case.
As an optional technical scheme, a wire waterproof rubber sleeve is further arranged on the crank case.
As an optional technical solution, the crank case and the motor housing are connected in a sealing manner through a first O-ring.
As an optional technical scheme, the crank box is connected with the cylinder body in a sealing mode through a second O-shaped sealing ring.
The utility model has the advantages that: in the application, the sealing structure is sequentially formed among the motor shell, the crank box, the cylinder body and the cylinder head, when the air pump works, the motor can be cooled without external equipment, and a circulating air cooling mode is adopted, so that the structure is simple, the cost is saved, and the efficiency is improved; the O-shaped ring and the wire waterproof rubber sleeve are sealed with the crank case, the motor shell and the cylinder body to form a seal, the structure is simple, the installation is convenient, and the cost is low.
Drawings
Fig. 1 is a schematic perspective view of a circulating air cooling structure of an air pump motor.
Fig. 2 is a schematic view of fig. 1 with the motor housing and motor removed.
Fig. 3 is a schematic view of fig. 1 with the motor housing and crankcase removed.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a sectional view a-a in fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
as shown in fig. 1 and 2, a circulating air cooling structure of an air pump motor includes:
a motor housing 1 in which a motor 2 is provided;
the top of the crank case 3 is hermetically connected with the motor shell 1, wherein the top of the crank case 3 is provided with a vent hole 301 for communicating the inner cavity of the motor shell 1 with the inner cavity of the crank case 3, and a crank case air outlet pipe 302 is arranged on the side wall of the crank case 3;
a cylinder block 4, one end of which is hermetically connected with the crank case 3;
and a cylinder head 5 hermetically connected with the cylinder body 4, wherein a first cylinder head air pipe 501 and a second cylinder head air pipe 502 are arranged on the side wall of the cylinder head 5, and the first cylinder head air pipe 501 is connected with the crankcase air outlet pipe 302 through a connecting hose (not shown in the figure).
The motor comprises a motor shell 1, a crank case 3, a cylinder body 4 and a cylinder head 5, wherein a sealing structure is sequentially formed between the motor shell 1, the crank case 3, the cylinder body 4 and the cylinder head 5, a vent hole 301 is formed between the crank case 3 and the motor shell 1 to form gas flow, when a piston 401 moves towards the direction close to the crank case 3, the air pressure in the crank case 3 is increased, so that hot air generated by the work of a motor in the crank case 3 is discharged into an inner cavity of the cylinder head 5 sequentially through a crank case air outlet pipe 302, a connecting hose and a cylinder head first air pipe 501, a part of hot air is discharged through a cylinder head second air pipe 502, and the other part of hot air enters the cylinder body 4 through a one-way valve between the cylinder head 5 and; when the piston 401 moves away from the crank case 3, the one-way valve air inlet channel between the cylinder head 5 and the cylinder body 4 is closed, and the outside cold air enters the crank case 3 through the cylinder head second air pipe 502, the cylinder head first air pipe 501, the connecting hose and the crank case air outlet pipe 302 due to pressure difference and then enters the motor shell 1 through the vent hole 301 to cool the motor 2. When the air pump works, the motor 1 can be cooled without external equipment, and a circulating air cooling mode is adopted, so that the structure is simple, the cost is saved, and the efficiency is improved.
As an alternative embodiment, as shown in fig. 3, 4 and 5, a crank mechanism connected to the output shaft 201 of the motor 2 is provided in the crank case 3, and a piston 401 connected to the crank mechanism is provided in the cylinder 4. The crank mechanism includes:
a crank 303 connected to the output shaft 201 of the motor;
a connecting screw 304 having one end connected to the crank 303;
and a connecting rod 305, one end of which is provided with a first deep groove ball bearing 306, and the other end of which is connected with the piston 401, wherein the inner ring of the first deep groove ball bearing 306 is connected with the other end of the connecting screw 304.
The motor 2 rotates to drive the crank 303 to rotate, so that the first deep groove ball bearing 306 connected with the crank 303 makes a circumferential motion along with the rotation of the crank 303, and finally the piston 401 moves left and right in the cylinder 4 (as shown in fig. 5).
As an alternative embodiment, the top of the crank case 3 is further provided with a second deep groove ball bearing 307 for mounting the output shaft 201.
As an alternative embodiment, a wire waterproof rubber sleeve 308 is further provided on the crank case 3 to facilitate the wire layout and seal the wire from the crank case 3.
As an alternative embodiment, the crank case 3 and the motor housing 1 are connected in a sealing manner by a first O-ring 6 to ensure the sealing between the crank case 3 and the motor housing 1. The crank case 3 and the cylinder block 4 are connected in a sealing mode through a second O-shaped sealing ring 7, and therefore the sealing performance between the crank case 3 and the cylinder block 4 is guaranteed. The common O-shaped sealing ring is matched with the waterproof structure for waterproofing, so that the cost is lower and the assembly is convenient.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a circulation forced air cooling structure of air pump motor which characterized in that includes:
a motor housing in which a motor is disposed;
the top of the crank case is hermetically connected with the motor shell, wherein the top of the crank case is provided with a vent hole for communicating the inner cavity of the motor shell with the inner cavity of the crank case, and the side wall of the crank case is provided with a crank case air outlet pipe;
one end of the cylinder body is hermetically connected with the crank box;
the cylinder head is connected with the cylinder body in a sealing mode, a first cylinder head air pipe and a second cylinder head air pipe are arranged on the side wall of the cylinder head, and the first cylinder head air pipe is connected with the crank box air outlet pipe through a connecting hose.
2. The circulating air cooling structure of an air pump motor according to claim 1, wherein: a crank mechanism connected with an output shaft of the motor is arranged in the crank box, and a piston connected with the crank mechanism is arranged in the cylinder body.
3. The circulating air-cooling structure of the air pump motor as claimed in claim 2, wherein the crank mechanism comprises:
the crank is connected with an output shaft of the motor;
one end of the connecting screw is connected with the crank;
and one end of the connecting rod is provided with a first deep groove ball bearing, the other end of the connecting rod is connected with the piston, and the inner ring of the first deep groove ball bearing is connected with the other end of the connecting screw.
4. The circulating air cooling structure of the air pump motor as claimed in claim 2, wherein: and the top of the crank case is also provided with a second deep groove ball bearing for mounting the output shaft.
5. The circulating air cooling structure of an air pump motor according to claim 1, wherein: and the crank case is also provided with a wire waterproof rubber sleeve.
6. The circulating air cooling structure of an air pump motor according to claim 1, wherein: the crank case with motor housing passes through first O type sealing washer sealing connection.
7. The circulating air cooling structure of an air pump motor according to claim 1, wherein: the crank case is connected with the cylinder body in a sealing mode through a second O-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244893.4U CN213717783U (en) | 2020-12-29 | 2020-12-29 | Circulating air cooling structure of air pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244893.4U CN213717783U (en) | 2020-12-29 | 2020-12-29 | Circulating air cooling structure of air pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213717783U true CN213717783U (en) | 2021-07-16 |
Family
ID=76789487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023244893.4U Active CN213717783U (en) | 2020-12-29 | 2020-12-29 | Circulating air cooling structure of air pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213717783U (en) |
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2020
- 2020-12-29 CN CN202023244893.4U patent/CN213717783U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiao Ran Inventor after: Zeng Qiang Inventor after: Li Zeping Inventor after: Xia Dong Inventor before: Xiao Ran Inventor before: Zeng Qiang Inventor before: Li Zeping Inventor before: Xia Dong |