Permanent magnet air compressor head

Abstract

The utility model provides a permanent magnet air compressor head, and belongs to the technical field of air compressors. The air compressor head solves the problem that in the prior art, heat dissipation in an air compressor head is not good enough. A permanent magnet motor is fixedly installed in the machine shell, a motor shaft extends out of the permanent magnet motor, a vortex centrifugal impeller is fixedly connected to the motor shaft, an air cylinder cavity is formed above the crankcase, an air cylinder is fixedly installed in the air cylinder cavity, a connecting rod is fixed below the air cylinder, and the connecting rod is connected with the motor shaft. A controller box is fixedly installed above the machine shell, a controller is fixed in the controller box, the two sides of the outer surface of the controller box are in an inclined plane shape, a shell inner cavity is formed between the vortex centrifugal impeller and the controller box, a guide flow channel is formed between the controller box and the shell inner cavity, a through groove is formed in the inner side of the air cylinder cavity, and the air cylinder cavity is communicated with the shell inner cavity through the through groove. The air compressor head has the advantages of being good in heat dissipation performance inside the air compressor head and good in ventilation performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air compressor technical field relates to a kind of permanent-magnetic air compressor machine head. BACKGROUND

[0002] Air compressor plays a key role in industrial control power, mainly used to drive cylinder and pneumatic components. In industrial production, many equipment and machinery need power to run, and the air pressure provided by air compressor is the power source required by these equipment. It generates power by compressing air, and this power can accurately control various pneumatic components and drive cylinders, so as to realize accurate and efficient industrial operation.

[0003] The Chinese patent with publication number CN204239176U discloses an air compressor head, which comprises a head main body, the head main body comprises a motor and cylinder body assemblies located at both ends of the motor, two cylinder body assemblies are connected to each other through two air pipes, the top of the cylinder body assembly is provided with a plurality of evenly arranged heat dissipation fins, the head main body is provided with a heat dissipation device, the heat dissipation device comprises a wind deflector and a heat dissipation fan, the opening of the wind deflector faces the motor and is buckled on the two cylinder body assemblies, the heat dissipation fan is arranged between the two cylinder body assemblies and is fixed with the wind deflector, the blowing direction of the heat dissipation fan faces the wind deflector, the middle part of the wind deflector is provided with a wind guide part, the two ends of the wind deflector are provided with air outlet holes corresponding to the cylinder body assemblies, and the fan and the air outlet hole form a through air flow channel.

[0004] Since the air cylinder needs to repeatedly perform piston movement when the air compressor head is running, the cylinder wall is easy to heat up. In the air compressor head provided by the patent, the heat dissipation of the cylinder and the controller is lacking. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems existing in prior art, provides a kind of permanent-magnetic air compressor machine head.

[0006] The utility model discloses a kind of permanent-magnetic air compressor machine head, including shell and the crankcase of being horizontally opposed installation at both sides of shell, the shell is fixedly installed with permanent-magnet motor in inside, the permanent-magnet motor extends with motor shaft, the motor shaft is fixedly connected with vortex centrifugal impeller, the crankcase is formed with cylinder cavity above, the cylinder cavity is fixedly installed with cylinder, the cylinder is fixed with connecting rod below, the connecting rod is connected with motor shaft, the shell is fixedly installed with controller box above, the controller box is fixed with controller inside, the controller box outer surface both sides are inclined, vortex centrifugal impeller and controller box form shell inner cavity between, the controller box and shell inner cavity form guide flow channel between, the through groove is set in cylinder cavity inboard, the through groove makes cylinder cavity and shell inner cavity be communicated.

[0007] In the above-mentioned permanent magnet air compressor head, a heat dissipation through hole is formed below the controller box.

[0008] In the above-mentioned permanent magnet air compressor head, a bearing seat is formed in the crankcase, a plurality of reinforcing ribs are fixed to the inner wall of the crankcase, a bearing is fixed in the bearing seat, and the bearing is sleeved on the motor shaft.

[0009] In the above-mentioned permanent magnet air compressor head, a heat dissipation through hole is formed below the controller box.

[0010] In the above-mentioned permanent magnet air compressor head, an air compressor fan is fixedly connected to the two sides of the motor shaft, the air compressor fan is installed below the crankcase, and a heat dissipation window is formed on the crankcase.

[0011] Compared with the prior art, the permanent magnet air compressor head has the following beneficial effects: 1. The vortex centrifugal impeller is fixedly installed on the motor shaft at one end of the permanent magnet motor, a heat dissipation through hole is formed below the controller box, and a heat dissipation groove is formed on the two sides of the upper shell, so that the vortex centrifugal impeller can effectively dissipate heat for the controller inside the controller box; 2. The guide flow channel is formed between the controller box and the inner cavity of the shell by setting the two inclined surfaces below the controller box, and the through groove is formed in the inner side of the cylinder cavity, so that the wind blown by the vortex centrifugal impeller enters the cylinder cavity through the guide flow channel and the through groove to cool and dissipate heat for the outer wall of the cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the shell structure;

[0015] Figure 4 It is a schematic diagram of the crankcase structure.

[0016] In the figure: 1, shell; 11, inner cavity of shell; 12, guide flow channel; 13, heat dissipation groove; 2, crankcase; 21, cylinder cavity; 22, through groove; 23, bearing seat; 24, reinforcing rib; 25, heat dissipation window; 3, permanent magnet motor; 31, motor shaft; 4, vortex centrifugal impeller; 5, cylinder; 6, connecting rod; 7, controller box; 71, controller; 72, heat dissipation through hole; 8, bearing; 9, air compressor fan. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] As Figures 1 to 4 shown, the embodiment includes a casing 1 and two identical and horizontally opposite installation crankcases 2 on both sides of the casing 1, the casing 1 is fixedly installed with a permanent magnet motor 3 inside, the permanent magnet motor 3 extends with a motor shaft 31, the motor shaft 31 is fixedly connected with a vortex centrifugal impeller 4, the vortex centrifugal impeller 4 is attached to one side of the permanent magnet motor 3, the crankcase 2 is formed with a cylinder cavity 21 above, a cylinder 5 is fixedly installed in the cylinder cavity 21, a controller box 7 is fixedly installed on the casing 1 above, the controller box 7 is located directly above the vortex centrifugal impeller 4, the controller box 7 is fixedly provided with a controller 71 inside, the controller box 7 is provided with a heat dissipation through hole 72 below, the airflow generated by the vortex centrifugal impeller 4 can enter the controller box 7 from the heat dissipation through hole 72, the casing 1 is provided with a through heat dissipation groove 13 on both sides above, the airflow generated by the vortex centrifugal impeller 4 can also enter the controller box 7 from the heat dissipation groove 13.

[0019] As Figures 1 to 4 shown, the controller box 7 is inclined on both sides below the outer surface and is open above, the vortex centrifugal impeller 4 and the controller box 7 form an inner cavity 11 in the casing 1, the inclined surfaces on both sides below the controller box 7 and the inner cavity 11 form a guide flow channel 12, this structure can guide the airflow to pass through the guide flow channel 12, the cylinder cavity 21 is provided with a through groove 22 inside, the through groove 22 connects the cylinder cavity 21 and the inner cavity 11, the airflow generated by the vortex centrifugal impeller 4 enters the cylinder cavity 21 through the guide flow channel 12 and the through groove 22, and the cylinder 5 is cooled and radiated.

[0020] Further, as Figures 1 to 4 shown, the through groove 2 and the heat dissipation groove 13 are attached, the cylinder cavity 21 and the inside of the casing 1 are connected.

[0021] Further, as Figures 1 to 4 shown, the crankcase 2 is formed with a bearing seat 23, the bearing seat 23 is fixedly provided with a plurality of reinforcing ribs 24 on the inner wall of the crankcase 2, the bearing seat 23 is fixedly provided with a bearing 8, the bearing 8 is sleeved on the motor shaft 31, the cylinder 5 is fixedly provided with a connecting rod 6 below, the connecting rod 6 extends out of the cylinder cavity 21 and is connected with the motor shaft 31, and the bearing 8 is located on one side of the connecting rod 6.

[0022] Further, as Figures 1 to 4 shown, the motor shaft 31 is fixedly connected with an air compressor fan 9 on both sides, the air compressor fan 9 is installed below the inside of the crankcase 2, the crankcase 2 is provided with a heat dissipation window 25 above, and the air compressor fan 9 and the heat dissipation window 25 on the crankcase 2 ensure the ventilation of the inside of the embodiment.

[0023] The utility model discloses a working principle as follows: permanent magnet motor 3 operation drive motor shaft 31 and vortex centrifugal impeller 4 rotation, vortex centrifugal impeller 4 blows out airflow through the action of centrifugal force, airflow passes through shell inner chamber 11 and passes through guide flow channel 12 and through groove 22 into cylinder cavity 21 in cylinder 5 cooling heat dissipation, through groove 22 and heat dissipation groove 13 make cylinder cavity 21 and the inside of casing 1 interpenetration, airflow passes through heat dissipation through -hole 72 and heat dissipation groove 3 into controller box 7 in controller 7 cooling heat dissipation.

[0024] The specific embodiments described herein are merely illustrative of the present utility model. Those skilled in the art of the present utility model can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

[0025] Although various terms are used herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present utility model; any additional limitation is contrary to the spirit of the present utility model.

Claims

1. A permanent magnet air compressor head, comprising a casing (1) and horizontally opposite installation of crankcase (2) on both sides of the casing (1), the casing (1) is fixedly installed with a permanent magnet motor (3) inside, the permanent magnet motor (3) extends with a motor shaft (31), characterized in that: The motor shaft (31) is fixedly connected with a vortex centrifugal impeller (4), the upper portion of the crankcase (2) is formed with a cylinder cavity (21), the cylinder cavity (21) is fixedly installed with a cylinder (5), the lower portion of the cylinder (5) is fixedly installed with a connecting rod (6), the connecting rod (6) is connected with the motor shaft (31), the upper portion of the casing (1) is fixedly installed with a controller box (7), the controller box (7) is fixedly installed with a controller (71) inside, the outer surface of the controller box (7) is inclined on both sides, the vortex centrifugal impeller (4) and the controller box (7) are formed with a shell inner cavity (11), the controller box (7) and the shell inner cavity (11) are formed with a guide flow channel (12), the inner side of the cylinder cavity (21) is provided with a through groove (22), and the through groove (22) is communicated between the cylinder cavity (21) and the shell inner cavity (11).

2. A permanent magnet air compressor head according to claim 1, characterized in that: The lower portion of the controller box (7) is provided with a heat dissipation through hole (72).

3. The permanent magnet air compressor head of claim 1, wherein: The crankcase (2) is formed with a bearing seat (23), the bearing seat (23) and the inner wall of the crankcase (2) are fixedly installed with a plurality of reinforcing ribs (24), the bearing seat (23) is fixedly installed with a bearing (8), and the bearing (8) is sleeved on the motor shaft (31).

4. The permanent magnet air compressor head of claim 1, wherein: The upper portion of the casing (1) is provided with a through heat dissipation groove (13) on both sides.

5. The permanent magnet air compressor head of claim 1, wherein: The motor shaft (31) is fixedly connected with an air compressor fan (9) on both sides, the air compressor fan (9) is installed below the crankcase (2), and the crankcase (2) is provided with a heat dissipation window (25) on the upper portion.

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