Horizontal opposed piston oil-free silent air compressor

Abstract

A left air cylinder and a right air cylinder are horizontally arranged on the two sides of a machine box of the air compressor respectively, a motor is installed in the middle of the machine box, and a left eccentric wheel and a right eccentric wheel which are oppositely arranged are sequentially arranged on a motor shaft of the motor located in the machine box. A left piston rod and a right piston rod are installed on the left eccentric wheel and the right eccentric wheel through bearings respectively, connecting discs are arranged at the outer ends of the left piston rod and the right piston rod respectively, the connecting discs are connected with a left piston and a right piston through bolts respectively, the left piston and the right piston are matched with the left air cylinder and the right air cylinder respectively, and air inlet valve devices are arranged at the ends of the left piston and the right piston respectively. The air inlet valve device corresponds to an exhaust valve device fixedly installed at the front end in the air cylinder, and an air inlet channel arranged on the bottom face of a connecting disc of the piston rod is communicated with a disc cavity of the connecting disc. The mute motor is simple in structure, convenient to produce, obvious in mute effect, capable of saving part of power of the motor, good in adaptability and more practical.

Description

TECHNICAL FIELD

[0001] The utility model discloses air compressor technical field belongs to the improvement of air compressor structure, especially a kind of horizontal opposed piston oil-free silent air compressor. BACKGROUND

[0002] Air compressor is air compressor, it is a kind of equipment to compress gas, can be divided into volume, power, thermal type compressor according to working principle;It can be divided into oil-free air compressor and oil lubricated air compressor according to lubrication mode, can be divided into low noise, variable frequency, explosion-proof air compressor according to performance, widely used in various industries.

[0003] The existing air compressor is noisy, and the compressed air is brought into lubricating oil, and the working noise is large, so that the ordinary air compressor cannot meet the requirements in the industries with high requirements such as automobile, medical treatment and food. UTILITY MODEL CONTENTS

[0004] The utility model discloses air compressor technical field belongs to the improvement of air compressor structure, especially a kind of horizontal opposed piston oil-free silent air compressor.

[0005] The utility model discloses a kind of horizontal opposed piston oil-free silent air compressor, including air cylinder inside setting admission valve piece, with the admission valve seat matched admission valve device, exhaust valve piece, with the exhaust valve seat matched exhaust valve device, the machine case of air compressor two sides are horizontally set left cylinder and right cylinder, motor is installed in the middle part of machine case, the motor shaft of motor in machine case is sequentially set with left eccentric wheel and right eccentric wheel, left piston rod and right piston rod are installed on left eccentric wheel, right eccentric wheel respectively through bearing, the outer end of left piston rod and right piston rod is respectively set with connecting disc, connecting disc is connected with respectively left piston, right piston matched with left cylinder, right cylinder respectively through bolt, admission valve device is set in the end of left piston, right piston respectively, admission valve device corresponds with the exhaust valve device fixed in the front end of air cylinder, air inlet is set on the bottom surface of the connecting disc of piston rod and connecting disc disc cavity is communicated.

[0006] The utility model has the following characteristics:

[0007] Air compressor piston uses horizontal opposed simultaneous opening and closing design, cleverly utilize the principle of mutual cancellation of action force and reaction force

[0008] Make the mechanical vibration of air compressor when working particularly small, even if high-speed operation mechanical vibration is very small, other type air compressor is unable to do so;

[0009] For adopting piston horizontal opposed design, part of power of motor can be saved when piston works;

[0010] The air compressor is simple in the process of machining and installation of parts,

[0011] The air compressor is simple in the process of machining and installation of parts,

[0012] The air compressor is simple in the process of machining and installation of parts,

[0013] The working principle of the air compressor is as follows:

[0014] When the brushless motor is powered, the eccentric wheel is rotated by the shaft of the brushless motor, two circular bearings are installed on the inner ring of the eccentric wheel, and a pair of piston connecting rods are installed on the outer ring of the circular bearings.

[0015] The air compressor is simple in the process of machining and installation of parts, BRIEF DESCRIPTION OF DRAWINGS

[0016] The air compressor is simple in the process of machining and installation of parts, Figure 1 The air compressor is simple in the process of machining and installation of parts, Figure 2 The air compressor is simple in the process of machining and installation of parts, Figure 1 The air compressor is simple in the process of machining and installation of parts, Figure 3 The air compressor is simple in the process of machining and installation of parts, Figure 2 The air compressor is simple in the process of machining and installation of parts, Figure 4 The air compressor is simple in the process of machining and installation of parts, Figure 1 The air compressor is simple in the process of machining and installation of parts, DETAILED DESCRIPTION

[0017] A horizontal-opposed-piston oil-free silent air compressor, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, including the cylinder set in the intake valve plate 1, with the intake valve seat matched with the intake valve device, exhaust valve plate, with the exhaust valve seat matched with the exhaust valve device 2, the air compressor machine box 3 both sides are respectively set horizontally left cylinder 12 and right cylinder 13, in the middle of the machine box 3 is installed motor 4, the motor shaft 5 of the motor 4 is located in the machine box 3, the left eccentric wheel 6 and the right eccentric wheel 7 are set in turn on the opposite side, the left piston rod 9 and the right piston rod 10 are installed on the left eccentric wheel 6, the right eccentric wheel 7 through the bearing 8, the connecting disc 11 is set on the outer end of the left piston rod 9 and the right piston rod 10 respectively, the connecting disc 11 is connected with the left piston 14 and the right piston 15 matched with the left cylinder 12 and the right cylinder 13 respectively through the bolt, the intake valve device is set on the end of the left piston 14 and the right piston 15, the intake valve device corresponds with the exhaust valve device fixed in the front end of the cylinder, the intake port 16 set on the bottom surface of the connecting disc 11 of the piston rod is communicated with the disc cavity. The left piston 14 and the right piston 15 are disc-shaped pistons, the disc-shaped pistons are matched with the corresponding cylinder through the flexible sealing ring 17, the air holes uniformly arranged on the disc surface of the left piston 14 and the right piston 15 are communicated with the corresponding intake valve device. The flywheel 18 is set on the motor shaft 5. The exhaust port 21 is set on the cylinder cover 19 of the left cylinder 12 and the right cylinder 13 respectively. The air inlet 20 is set on the machine box 3. The air compressor is installed with the outer support through the fixing bolt, and the air compressor is supported and fixed. The motor 4 is an outer rotor brushless motor. The left piston 14 and the right piston 15 work simultaneously in the opposite two directions.

Claims

1. A horizontally opposed piston oilless silent air compressor, comprising an intake valve plate (1) disposed in a cylinder, an intake valve device cooperating with an intake valve seat, an exhaust valve plate, and an exhaust valve device (2) cooperating with an exhaust valve seat, characterized in that: The air compressor housing (3) has a left cylinder (12) and a right cylinder (13) horizontally arranged on both sides. The motor (4) is installed in the middle of the housing (3). On the motor shaft (5) of the motor (4) inside the housing (3), there are opposing left eccentric wheels (6) and right eccentric wheels (7). The left piston rod (9) and right piston rod (10) are installed on the left eccentric wheel (6) and right eccentric wheel (7) respectively through bearings (8). (10) has a connecting plate (11) at its outer end. The connecting plate (11) is connected to the left piston (14) and right piston (15) which are respectively matched with the left cylinder (12) and right cylinder (13) by bolts. An intake valve device is provided at the end of the left piston (14) and right piston (15). The intake valve device corresponds to the exhaust valve device fixed at the front end of the cylinder. The intake passage (16) provided on the bottom surface of the connecting plate (11) of the piston rod is connected to the cavity of the connecting plate.

2. The horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: The left piston (14) and right piston (15) are disc pistons. The disc pistons cooperate with the corresponding cylinders through flexible sealing rings (17). The ventilation holes evenly distributed on the disc surfaces of the left piston (14) and right piston (15) are connected to the corresponding intake valve devices.

3. The horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: A flywheel (18) is mounted on the motor shaft (5).

4. A horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: Exhaust ports (21) are provided on the cylinder heads (19) of the left cylinder (12) and the right cylinder (13).

5. A horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: An air inlet (20) is provided on the chassis (3).

6. A horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: The air compressor is mounted on an external bracket by fixing bolts, which supports and fixes the air compressor.

7. A horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: The motor (4) is an external rotor brushless motor.

8. A horizontally opposed piston oilless silent air compressor according to claim 1, characterized in that: The left piston (14) and the right piston (15) do work in opposite directions at the same time.

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