CN220979789U - Air compressor with built-in eccentric wheel - Google Patents
Air compressor with built-in eccentric wheel Download PDFInfo
- Publication number
- CN220979789U CN220979789U CN202322794217.1U CN202322794217U CN220979789U CN 220979789 U CN220979789 U CN 220979789U CN 202322794217 U CN202322794217 U CN 202322794217U CN 220979789 U CN220979789 U CN 220979789U
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- eccentric wheel
- motor
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- bearing
- air compressor
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- 238000007789 sealing Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000004323 axial length Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an air compressor with an internal eccentric wheel, and belongs to the technical field of compressors. It has solved the problem that current compressor assembly efficiency is low. The built-in air compressor of this eccentric wheel, including the motor, be fixed in the outer casing of motor and connect in the casing of casing lateral part, be provided with piston and piston rod in the casing, the output shaft of motor passes the lateral part of casing and stretch into in the casing, still be provided with the eccentric wheel of being connected with the piston rod in the casing, the casing with the output shaft position of motor corresponds the department and has the annular portion of stepping down that is to the convex of motor direction, the portion internal fixation that steps down has the bearing, the output shaft of motor pass the bearing and with the eccentric wheel is connected, the eccentric wheel stretches into in the portion of stepping down and the tip of eccentric wheel towards motor one end offsets with the terminal surface of bearing. The air compressor with the built-in eccentric wheel has the advantage of high assembly efficiency.
Description
Technical Field
The utility model belongs to the technical field of compressors, and relates to an air compressor with an internal eccentric wheel.
Background
An air compressor is a device for compressing gas, most of which are reciprocating piston type, rotary vane or rotary screw. The piston type air compressor is a positive displacement compressor, and its compression element is a piston, and reciprocates in a cylinder to compress air.
At present, there is a double-cylinder air compressor on the market, wherein the compressor adopts a layout form that one motor drags two pump heads, namely a single motor and double cylinders, and the maximum structural characteristic is that the two cylinders are respectively arranged at two ends of a motor shaft, so that the compressor layout form of the two pump heads is formed.
But in this double-cylinder air compressor, relate to the connection assembly of structures such as motor shaft, piston rod, eccentric wheel, the installation accuracy requirement is higher, and assembly efficiency is lower.
Disclosure of utility model
The utility model aims to solve the problems in the prior art, and provides an air compressor with an internal eccentric wheel, which solves the problem of low assembly efficiency of the existing compressor.
The aim of the utility model can be achieved by the following technical scheme:
The built-in air compressor of eccentric wheel, including the motor, be fixed in the outer casing of motor and connect in the casing of casing lateral part, be provided with piston and piston rod in the casing, the output shaft of motor passes the lateral part of casing and stretch into in the casing, its characterized in that, still be provided with the eccentric wheel of being connected with the piston rod in the casing, the casing with the output shaft position of motor corresponds the department and has the annular portion of stepping down that is to the motor direction convex, the portion of stepping down is fixed with the bearing in the portion of stepping down, the output shaft of motor pass the bearing and with the eccentric wheel is connected, the eccentric wheel stretches into in the portion of stepping down and the tip of eccentric wheel towards motor one end offsets with the terminal surface of bearing.
After the bearing is fixed in the abdication part, when the eccentric wheel is pressed, the end face of the eccentric wheel is directly abutted against the end face of the bearing, so that the eccentric wheel is convenient to install in place during installation, the stability is good after installation, the positioning is more accurate, and the assembly efficiency is improved.
In the air compressor with the built-in eccentric wheel, the inner side of the abdication part is provided with the reinforcing part which protrudes inwards to form a circular ring shape, the bearing is arranged in the reinforcing part and is tightly matched with the reinforcing part, the axial length of the reinforcing part is greater than that of the bearing, and the two end surfaces of the bearing do not extend out of the two end surfaces of the reinforcing part. Through the setting of reinforcement, provide stable support for the connection and the work of bearing.
In the air compressor with the built-in eccentric wheel, the eccentric wheel is arranged between the piston rod and the motor, the eccentric part of one end of the eccentric wheel, facing the motor, is provided with a convex annular abutting part, an output shaft of the motor penetrates into the abutting part, and the end part of the abutting part abuts against the bearing.
In the air compressor with the built-in eccentric wheel, one end of the eccentric wheel, which faces the piston rod, is provided with a connecting part protruding to be cylindrical, and the connecting part penetrates into the piston rod.
In the air compressor with the built-in eccentric wheel, the shell is provided with the disc-shaped end cover relative to the other side of the shell, the end cover is fixed on the shell through the fastener, the end cover part stretches into the shell, the outer edge of the end cover positioned in the shell is provided with the concave annular sealing groove, and the sealing groove is internally provided with the sealing ring, and the sealing ring part stretches out of the sealing groove and is abutted against the shell for sealing.
Compared with the prior art, after the bearing is fixed in the abdication part of the air compressor with the built-in eccentric wheel, the end face of the eccentric wheel is directly abutted against the end face of the bearing during press fitting, so that the eccentric wheel is convenient to install in place during installation, the stability is good after installation, the positioning is more accurate, and the assembly efficiency is improved.
Drawings
Fig. 1 is a schematic sectional structure of an air compressor with an eccentric wheel arranged therein.
In the figure, 1, a motor; 2. a housing; 3. a housing; 4. a piston; 5. a piston rod; 6. an eccentric wheel; 7. a yielding part; 8. a bearing; 9. a reinforcing part; 10. an abutting portion; 11. a connection part; 12. an end cap; 13. and (5) sealing the groove.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, the air compressor with the built-in eccentric wheel comprises a motor 1, a casing 2 fixed outside the motor 1 and a casing 3 connected to two sides of the casing 2, wherein a piston 4 and a piston rod 5 are arranged in the two casings 3. Since the structures of the housings 3 on both sides of the casing 2 are identical and symmetrically distributed, the structure of one of the housings 3 will be described below.
The upper end of the piston rod 5 is connected with the piston 4, an eccentric wheel 6 connected with the lower end of the piston rod 5 is also arranged in the shell 3, and the eccentric wheel 6 is positioned between the piston rod 5 and the motor 1. The position of the shell 3, which corresponds to the position of the output shaft of the motor 1, is provided with a ring-shaped abdication part 7 protruding towards the direction of the motor 1, a ring-shaped bearing 8 is fixed in the abdication part 7, the output shaft of the motor 1 passes through the bearing 8 and is connected with the eccentric wheel 6, most of the eccentric wheel 6 stretches into the abdication part 7, and the end part of the eccentric wheel 6, which faces one end of the motor 1, is propped against the end face of the bearing 8. In the embodiment, an eccentric part of one end of the eccentric wheel 6 facing the motor 1 is provided with an abutting part 10 protruding in a circular ring shape, an output shaft of the motor 1 penetrates into the abutting part 10, and the end part of the abutting part 10 abuts against the bearing 8; the eccentric wheel 6 has a connecting part 11 protruding in a cylindrical shape toward one end of the piston rod 5, and the connecting part 11 penetrates into the lower end of the piston rod 5.
The inside of the abdication part 7 is provided with a reinforcing part 9 which protrudes inwards to form a circular ring shape, the bearing 8 is arranged in the reinforcing part 9 and is tightly matched with the reinforcing part 9, the axial length of the reinforcing part 9 is greater than that of the bearing 8, and the two end faces of the bearing 8 do not extend out of the two end faces of the reinforcing part 9. The other side of the shell 3 relative to the shell 2 is provided with a disc-shaped end cover 12, the end cover 12 is fixed on the shell 3 through a fastener, the end cover 12 partially stretches into the shell 3, the outer edge of the end cover 12 positioned in the shell 3 is provided with a concave circular sealing groove 13, a sealing ring is arranged in the sealing groove 13, and the sealing ring partially stretches out of the sealing groove 13 and is abutted against the shell 3 for sealing.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides an air compressor machine that eccentric wheel is built-in, includes motor (1), is fixed in casing (2) outside motor (1) and connect in casing (3) of casing (2) lateral part, be provided with piston (4) and piston rod (5) in casing (3), the output shaft of motor (1) passes the lateral part of casing (3) stretches into in casing (3), a serial communication port, still be provided with eccentric wheel (6) that are connected with piston rod (5) in casing (3), casing (3) with the output shaft position of motor (1) corresponds the department has and is annular portion of stepping down (7) to the protruding of motor (1) direction, be fixed with bearing (8) in portion of stepping down (7), the output shaft of motor (1) pass bearing (8) and with eccentric wheel (6) are connected, eccentric wheel (6) stretch into in stepping down portion (7) and the tip of eccentric wheel (6) one end and bearing (8) are supported.
2. The air compressor with the built-in eccentric wheel according to claim 1, wherein the inner side of the abdication part (7) is provided with a reinforcing part (9) protruding inwards to form a circular ring shape, the bearing (8) is arranged in the reinforcing part (9) and is tightly matched with the reinforcing part (9), the axial length of the reinforcing part (9) is larger than that of the bearing (8), and two end surfaces of the bearing (8) do not extend out of two end surfaces of the reinforcing part (9).
3. An air compressor with built-in eccentric wheel according to claim 1 or 2, characterized in that the eccentric wheel (6) is arranged between the piston rod (5) and the motor (1), the eccentric part of the eccentric wheel (6) towards one end of the motor (1) is provided with a convex annular abutting part (10), the output shaft of the motor (1) penetrates into the abutting part (10), and the end part of the abutting part (10) abuts against the bearing (8).
4. An air compressor with built-in eccentric wheel according to claim 3, characterized in that the end of the eccentric wheel (6) facing the piston rod (5) is provided with a connecting part (11) protruding in a cylinder shape, and the connecting part (11) penetrates into the piston rod (5).
5. The air compressor with the built-in eccentric wheel according to claim 1 or 2, wherein a disc-shaped end cover (12) is arranged on the other side of the shell (3) relative to the shell (2), the end cover (12) is fixed on the shell (3) through a fastener, the end cover (12) partially stretches into the shell (3), a concave annular sealing groove (13) is formed in the outer edge of the end cover (12) positioned in the shell (3), and a sealing ring is arranged in the sealing groove (13), and the sealing ring partially stretches out of the sealing groove (13) and is in abutting sealing with the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794217.1U CN220979789U (en) | 2023-10-18 | 2023-10-18 | Air compressor with built-in eccentric wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794217.1U CN220979789U (en) | 2023-10-18 | 2023-10-18 | Air compressor with built-in eccentric wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979789U true CN220979789U (en) | 2024-05-17 |
Family
ID=91054213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322794217.1U Active CN220979789U (en) | 2023-10-18 | 2023-10-18 | Air compressor with built-in eccentric wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979789U (en) |
-
2023
- 2023-10-18 CN CN202322794217.1U patent/CN220979789U/en active Active
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