CN222731704U - A compact air compressor - Google Patents
A compact air compressor Download PDFInfo
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- CN222731704U CN222731704U CN202421603058.0U CN202421603058U CN222731704U CN 222731704 U CN222731704 U CN 222731704U CN 202421603058 U CN202421603058 U CN 202421603058U CN 222731704 U CN222731704 U CN 222731704U
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- air
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- cylinder
- air compressor
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a compact air compressor, which comprises a driving mechanism, a compression mechanism and a cooling mechanism, wherein the driving mechanism comprises a motor shell, a motor body arranged in the motor shell and an output shaft connected with the motor body, the output shaft is used for outputting rotary power, the cooling mechanism comprises a connecting box, an axial flow fan positioned in an inner cavity of the connecting box and an air inlet component communicated with the connecting box, the side wall of the connecting box is connected with the motor shell, the output shaft penetrates through the side wall of the connecting box and then is coaxially connected with the axial flow fan, the air inlet component is positioned at one side of the connecting box close to the motor shell, the compression mechanism comprises a cylinder barrel, a piston arranged in the cylinder barrel in a sliding manner and a connecting rod connected with the piston, the cylinder barrel is connected with the connecting box, the connecting rod penetrates through the connecting box and then is rotationally connected with the eccentric block, and the connecting rod is positioned at one side of the axial flow fan far away from the motor body. The utility model can reduce the volume, does not occupy the space and has lower manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a compact air compressor.
Background
The principle of the air compressor is that a crank-link mechanism is driven by a motor, and the crank-link mechanism drives a piston to reciprocate in a cylinder barrel to compress gas. Because of the change of the pressure in the cylinder, air enters the cylinder through the air inlet valve, and in the compression stroke, compressed air enters the air storage tank through the exhaust pipe under the action of the exhaust valve due to the reduction of the volume of the cylinder.
The piston can generate heat in the cylinder working process, the shell of the compressor can be provided with a fan device, air flow generated by the fan device enters the inner cavity of the compressor and is blown to heating parts such as the cylinder and the cylinder cover, and therefore the cooling effect is achieved.
However, the fan device of the existing compressor adopts an external design, and the fan blade and the fixed base of the fan device make the whole machine have large volume, not compact enough and have large overall cost.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the compact air compressor which can reduce the volume, does not occupy the space and has lower manufacturing cost.
According to an embodiment of the first aspect of the utility model, the compact air compressor comprises a driving mechanism, a compression mechanism and a cooling mechanism, wherein the driving mechanism is used for providing power for the compression mechanism and the cooling mechanism, the compression mechanism is used for compressing air, the cooling mechanism is used for cooling fluid output by the compression mechanism, the driving mechanism comprises a motor shell, a motor body arranged in the motor shell, an output shaft connected with the motor body and used for outputting rotary power, the cooling mechanism comprises a connecting box, an axial flow fan positioned in an inner cavity of the connecting box and an air inlet assembly communicated with the connecting box, the side wall of the connecting box is connected with the motor shell, the output shaft penetrates through the side wall of the connecting box and is coaxially connected with the axial flow fan, the axial flow fan is used for generating fluid, the air inlet assembly is positioned on one side of the connecting box close to the motor shell, the compression mechanism comprises a cylinder barrel, a piston arranged in the cylinder barrel in a sliding mode, a connecting rod connected with the piston, the piston is connected with the connecting box and used for outputting rotary power, the axial flow fan is arranged in the connecting box to generate axial flow in the connecting box, and the eccentric air cylinder barrel is connected with the eccentric connecting rod and is positioned on one side far away from the eccentric connecting rod.
According to the embodiment of the utility model, the compact air compressor has at least the following beneficial effects:
The utility model integrates the motor shell and the connecting box of the air compressor, enhances the connection mechanical strength of the whole machine and reduces the vibration of the whole machine, the connecting box is communicated with the air inlet component, and under the matching action of the stator and the rotor of the motor body, the output shaft drives the eccentric block to move, so that the connecting rod drives the piston to slide in the cylinder barrel, thereby generating compressed air, and meanwhile, the cooling fan on the eccentric block can cool the cylinder barrel, the connecting rod, the piston and other components by the air flow generated by the air stirred from the inner cavity of the connecting box, and the design of an external cooling fan and a base is avoided, so that the whole machine of the air compressor has compact structure, small volume and low cost.
According to some embodiments of the utility model, the intake assembly comprises an intake pipe, the cylinder being provided with an intake duct, the intake pipe communicating with the interior of the cylinder through the intake duct.
According to some embodiments of the utility model, the inner cavity of the connecting box is an air compensation cavity, and the air inlet pipe is communicated with the air compensation cavity.
According to some embodiments of the utility model, the air inlet of the air inlet pipe is provided with an air filter for filtering air.
According to some embodiments of the utility model, the connecting box comprises a box body and a sealing cover detachably connected with the box body, wherein the sealing cover is positioned on one side of the box body and is arranged in the axial direction of the output shaft.
According to some embodiments of the utility model, the eccentric block is a connecting shaft, the connecting shaft is eccentrically arranged with the axial flow fan, and the connecting rod is rotatably connected with the connecting shaft.
According to some embodiments of the utility model, the side wall of the connecting box is provided with a bearing hole and a first bearing arranged in the bearing hole, and the connecting box is rotationally connected with the output shaft through the first bearing.
According to some embodiments of the utility model, the connecting sleeve has a second bearing, and the connecting shaft is rotatably connected to the connecting rod through the second bearing.
According to some embodiments of the utility model, the cylinder is provided with a valve plate provided with an inlet valve for inlet air to the inner cavity of the cylinder and an outlet valve for outlet air to the inner cavity of the cylinder.
According to some embodiments of the utility model, the compression mechanism is provided with an exhaust pipe through which the compressed air of the inner cavity of the cylinder tube is discharged.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a compact air compressor according to an embodiment of the present utility model;
FIG. 2 is a schematic side elevational view of a compact air compressor of the type shown in FIG. 1;
FIG. 3 is a schematic A-A cross-sectional view of a compact air compressor of FIG. 1;
FIG. 4 is a schematic B-B cross-sectional view of a compact air compressor shown in FIG. 1.
Reference numerals 100-motor housing, 110-motor body, 120-output shaft, 130-connection box, 140-axial fan, 150-cylinder, 160-piston, 170-connecting rod, 180-intake pipe, 190-intake pipe, 200-air compensation chamber, 210-air filter, 220-box, 230-sealed cover, 240-connection shaft, 250-first bearing, 260-second bearing, 270-valve plate, 280-intake valve, 290-exhaust valve, 300-exhaust pipe.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A compact air compressor according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1, a compact air compressor, which may be a V-type or H-type piston 160 air compressor, in accordance with an embodiment of the present utility model includes a driving mechanism for providing power to the compression mechanism for compressing air and a cooling mechanism for cooling fluid output from the compression mechanism.
The driving mechanism comprises a motor housing 100, a motor body 110 arranged in the motor housing 100, and an output shaft 120 connected with the motor body 110, wherein the output shaft 120 is used for outputting rotary power.
It will be appreciated that the motor body 110 includes a stator and a rotor, the output shaft 120 is disposed coaxially with the rotor, and the stator is disposed within the motor housing 100.
The cooling mechanism includes a connection box 130, an axial fan 140 located in an inner cavity of the connection box 130, and an air inlet component communicated with the connection box 130, wherein a side wall of the connection box 130 is connected with the motor housing 100, the output shaft 120 penetrates through the side wall of the connection box 130 and is coaxially connected with the axial fan 140, the axial fan 140 is used for generating fluid, and the air inlet component is located on one side of the connection box 130 close to the motor housing 100.
The compression mechanism comprises a cylinder 150, a piston 160 slidably arranged in the cylinder 150, and a connecting rod 170 connected with the piston 160, wherein the cylinder 150 is connected with the connecting box 130, the piston 160 slides in the cylinder 150 to generate compressed air, the axial flow fan 140 is provided with an eccentric block, the connecting rod 170 penetrates through the connecting box 130 and then is rotationally connected with the eccentric block, and the connecting rod 170 is positioned on one side of the axial flow fan 140 far away from the motor body 110.
In some embodiments of the present utility model, referring to fig. 2, 3 and 4, the intake assembly includes an intake duct 180, the cylinder 150 is provided with an intake duct 190, and the intake duct 180 communicates with the inside of the cylinder 150 through the intake duct 190, so that external air enters the inside of the cylinder 150 through the intake duct 180, so that the piston 160 can compress the air.
In some embodiments of the present utility model, referring to fig. 4, the inner cavity of the connection box 130 is an air compensation chamber 200, and the air inlet pipe 180 is communicated with the air compensation chamber 200, so that during the rotation of the axial flow fan 140, air enters the air compensation chamber 200 from the air inlet pipe 180, and the air compensation chamber 200 generates an air flow, so that the air flow cools down the cylinder 150, the piston 160, and the like.
In some embodiments of the present utility model, the air inlet of the air inlet pipe 180 is provided with an air filter 210, and the air filter 210 is used to filter air, so that impurities and foreign materials in the air can be reduced, and the foreign materials are reduced from entering the cylinder 150.
In some embodiments of the present utility model, the connection box 130 includes a box 220, and a sealing cap 230 detachably connected to the box 220, the sealing cap 230 being located at one side of the box 220 and disposed in an axial direction of the output shaft 120.
Therefore, when the compressor is mounted, the case 220 and the motor housing 100 can be connected by bolts, then the axial fan 140, the connecting rod 170 and other components are mounted on the output shaft 120, and finally the sealing cover 230 is connected with the case 220, thereby greatly reducing the mounting difficulty.
In some embodiments of the present utility model, the side wall of the connection box 130 is provided with a bearing hole, a first bearing 250 provided in the bearing hole, and the connection box 130 is rotatably connected to the output shaft 120 through the first bearing 250.
Therefore, the first bearing 250 is installed on the bearing hole, and the output shaft 120 is matched with the inner ring of the first bearing 250, so that friction between the output shaft 120 and the connecting box 130 is reduced, and the service life is prolonged.
In some embodiments of the present utility model, the eccentric block is a connection shaft 240, the connection shaft 240 is eccentrically disposed with the axial flow fan 140, and the connection rod 170 is rotatably connected with the connection shaft 240.
Specifically, the connection shaft 240 is sleeved with a second bearing 260, and the connection shaft 240 is rotatably connected with the link 170 through the second bearing 260.
Thus, the connecting shaft 240 and the connecting rod 170 are connected through the second bearing 260, which is advantageous in reducing wear of the eccentric mass and improving the service life.
In some embodiments of the present utility model, the cylinder 150 is provided with a valve plate 270, the valve plate 270 being provided with an intake valve 280 and an exhaust valve 290, the intake valve 280 being for intake of air to the interior cavity of the cylinder 150 and the exhaust valve 290 being for exhaust of air to the interior cavity of the cylinder 150.
Note that, the intake valve 280 and the exhaust valve 290 are a one-way intake valve 280 and a one-way exhaust valve 290, respectively, and thus, air in the intake pipe 180 can enter the cylinder 150 through the one-way exhaust valve 290, and compressed air in the cylinder 150 can be discharged through the one-way exhaust valve 290.
In some embodiments of the present utility model, referring to fig. 1, the compression mechanism is provided with an exhaust pipe 300, and the exhaust pipe 300 exhausts the compressed air of the inner cavity of the cylinder 150 through the exhaust valve 290, so that the exhaust pipe 300 can deliver the compressed air exhausted from the one-way exhaust valve 290 into the storage tank.
Thus, the present embodiment has the following effects:
The motor shell 100 and the connecting box 130 of the air compressor are integrated, the mechanical strength of the whole machine connection is enhanced, the vibration of the whole machine is reduced, the connecting box 130 is communicated with an air inlet component, and under the matching effect of a stator and a rotor of the motor body 110, an output shaft drives an eccentric block to move during compression operation, so that a connecting rod 170 drives a piston 160 to slide in a cylinder 150, compressed air is generated, meanwhile, air generated by air stirred by a cooling fan on the eccentric block from the inner cavity of the connecting box 130 can cool the cylinder 150, the connecting rod 170, the piston 160 and other components, and the design of an external cooling fan and a base is avoided, so that the whole machine of the air compressor is compact in structure, small in size and low in cost.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A compact air compressor comprising a drive mechanism for powering the compression mechanism and a cooling mechanism for compressing air, the cooling mechanism for cooling fluid output by the compression mechanism:
The driving mechanism comprises a motor shell (100), a motor body (110) arranged in the motor shell (100) and an output shaft (120) connected with the motor body (110), wherein the output shaft (120) is used for outputting rotary power;
the cooling mechanism comprises a connecting box (130), an axial flow fan (140) positioned in the inner cavity of the connecting box (130) and an air inlet component communicated with the connecting box (130), wherein the side wall of the connecting box (130) is connected with the motor shell (100), the output shaft (120) penetrates through the side wall of the connecting box (130) and then is coaxially connected with the axial flow fan (140), the axial flow fan (140) is used for generating fluid, and the air inlet component is positioned on one side, close to the motor shell (100), of the connecting box (130);
The compression mechanism comprises a cylinder barrel (150), a piston (160) arranged in the cylinder barrel (150) in a sliding manner, and a connecting rod (170) connected with the piston (160), wherein the cylinder barrel (150) is connected with a connecting box (130), the piston (160) slides in the cylinder barrel (150) to generate compressed air, an eccentric block is arranged on an axial flow fan (140), the connecting rod (170) penetrates through the connecting box (130) and then is connected with the eccentric block in a rotating manner, and the connecting rod (170) is located on one side, away from the motor body (110), of the axial flow fan (140).
2. The compact air compressor as recited in claim 1, characterised in that said intake assembly comprises an intake duct (180), said cylinder (150) being provided with an intake duct (190), said intake duct (180) being in communication with the interior of said cylinder (150) through said intake duct (190).
3. A compact air compressor as claimed in claim 2, wherein the inner cavity of said connecting box (130) is an air compensating cavity (200), and said air inlet pipe (180) communicates with said air compensating cavity (200).
4. A compact air compressor as claimed in claim 2, characterized in that the air inlet of the air inlet pipe (180) is provided with an air filter (210), said air filter (210) being adapted to filter air.
5. The compact air compressor as recited in claim 1, characterised in that said connection box (130) includes a box body (220), a seal cover (230) detachably connected to said box body (220), said seal cover (230) being located on one side of said box body (220) and being provided in an axial direction of said output shaft (120).
6. A compact air compressor as claimed in claim 1, characterized in that the side wall of the connection box (130) is provided with bearing holes, a first bearing (250) arranged in the bearing holes, the connection box (130) being rotatably connected with the output shaft (120) by means of the first bearing (250).
7. The compact air compressor as recited in claim 1, characterised in that said eccentric mass is a connecting shaft (240), said connecting shaft (240) being arranged eccentrically to said axial fan (140), said connecting rod (170) being rotatably connected to said connecting shaft (240).
8. The compact air compressor as recited in claim 7, characterised in that said connecting shaft (240) is sleeved with a second bearing (260), said connecting shaft (240) being rotatably connected with said connecting rod (170) by means of said second bearing (260).
9. A compact air compressor as recited in claim 1, characterised in that said cylinder (150) is provided with a valve plate (270), said valve plate (270) being provided with an inlet valve (280) and an outlet valve (290), said inlet valve (280) being adapted to inlet air to the inner cavity of said cylinder (150), said outlet valve (290) being adapted to exhaust air to the inner cavity of said cylinder (150).
10. A compact air compressor as claimed in claim 9, characterised in that the compression mechanism is provided with an exhaust duct (300), said exhaust duct (300) discharging compressed air from the inner cavity of the cylinder (150) through said exhaust valve (290).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421603058.0U CN222731704U (en) | 2024-07-08 | 2024-07-08 | A compact air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421603058.0U CN222731704U (en) | 2024-07-08 | 2024-07-08 | A compact air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222731704U true CN222731704U (en) | 2025-04-08 |
Family
ID=95217264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421603058.0U Active CN222731704U (en) | 2024-07-08 | 2024-07-08 | A compact air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222731704U (en) |
-
2024
- 2024-07-08 CN CN202421603058.0U patent/CN222731704U/en active Active
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