CN211975320U

CN211975320U - Oilless air compressor

Info

Publication number: CN211975320U
Application number: CN202020533463.5U
Authority: CN
Inventors: 罗斌
Original assignee: Zhejiang Lawston Technology Co ltd
Current assignee: Zhejiang Lawston Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-20
Anticipated expiration: 2030-04-13

Abstract

The utility model belongs to the technical field of the air compressor machine, especially, oil-free air compressor machine, including dual output shaft motor, box, cylinder, valve plate and cylinder cap, the both ends output shaft of dual output shaft motor extends to two respectively the inside of box and the fixed crank that has cup jointed through the cooperation of key and keyway, articulate link pass through the bearing with the fixed cover in bottom of the piston rod in the cylinder connects, the valve plate set up in the top of cylinder, the fixed cup joint of valve plate is in the inside of cylinder cap. This oil-free air compressor machine, through setting up dual output axle motor, the motion of make full use of dual output axle motor is divided into two with the great cylinder of air compression volume originally, can reduce single air compression's volume under the unchangeable circumstances of assurance air compression volume, reduces the noise that single shock wave produced, also can reduce the internal energy behind the single air compression simultaneously to reduce the produced temperature of air compression.

Description

Oilless air compressor

Technical Field

The utility model relates to an air compressor machine technical field especially relates to an oil-free air compressor machine.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. Centrifugal compressors are very large applications.

At present, most of air compressors utilize a motor to drive a piston in a cylinder through a single output shaft to compress air, and the main principle of the air compressor is as an oil-free air compressor (application number is 201510000529.8) disclosed in Chinese patent websites, and the air compressor has the following problems:

1. the stroke of a single air cylinder is large, the compressed air volume is large each time, a high-power motor is required for driving, and the volume of the compressed air is large each time, so that the noise generated by shock waves is increased along with the increase of the volume of the compressed air;

2. the larger the volume in the air compression process is, the larger the internal energy is, and the temperature is increased;

3. the air enters from the lower part of the bottom of the air cleaner, the closer the air cleaner is to the ground, the smaller the volume of the air sucked is, and the dust and impurities on the ground can be easily and directly sucked.

SUMMERY OF THE UTILITY MODEL

The technical problem that there is above-mentioned shortcoming based on current air compressor machine, the utility model provides an oil-free air compressor machine.

The utility model provides an oilless air compressor, including dual output shaft motor, box, cylinder, valve plate and cylinder cap, the both ends output shaft of dual output shaft motor extends to two respectively the inside of box and through the cooperation fixed cover of key and keyway connect the crank, the link of crank through the bearing with the bottom fixed cover of the piston rod in the cylinder connect, the valve plate set up in the top of cylinder, the fixed cover of valve plate connects in the inside of cylinder cap;

both ends of dual output shaft motor are all fixed the cup joint and are had the flabellum, two the side of box all has inwards caved in the protection casing that is the arc shape through the fixed cup joint of hasp, the protection casing will the flabellum cup joints inside it.

Preferably, piston rods located at two ends of the double-output-shaft motor and in the cylinder reciprocate in the positive and negative directions.

Through the technical scheme, the problem of load damage to the double-output-shaft motor during simultaneous movement work can be avoided by the cylinders distributed in the forward and reverse reciprocating motion.

Preferably, the fan blades rotate to suck air outside the shield into the box.

Through above-mentioned technical scheme, can utilize the flabellum rotation to inhale some in advance with the air, conveniently admit air.

Preferably, the upper surface of the box body is in a rectangular array and is fixedly provided with radiating fins.

Through above-mentioned technical scheme, can play radiating effect to the produced heat of cylinder work back.

Preferably, the surfaces of two sides of the top of the box body are provided with noise reduction holes distributed in a rectangular array.

Through the technical scheme, the noise reduction effect can be realized for the noise generated by the air cylinder in the box body.

Preferably, the upper surface of the protective cover is provided with heat dissipation grooves distributed in a rectangular array.

Through the technical scheme, the effect of further heat dissipation is carried out to the heat while keeping off dirt to the box top has been realized.

The utility model provides a beneficial effect does:

1. through setting up dual output shaft motor, the motion of make full use of dual output shaft motor divides into two the great cylinder of air compression volume originally, can reduce single air compression's volume under the unchangeable circumstances of assurance air compression volume, reduces the noise that single shock wave produced, also can reduce the internal energy behind the single air compression simultaneously to reduce the produced temperature of air compression.

2. Through setting up two the side of box all has connected the inside sunken protection casing that is the arc shape through the fixed cover of hasp, has reached and has improved the air inlet of air to both ends to avoid near the dust of ground to enter into the air compressor machine, the problem that the dust that falls perpendicularly on the protection casing surface can be avoided to the protection casing of arc shape simultaneously.

Drawings

Fig. 1 is a schematic view of an oil-free air compressor according to the present invention;

fig. 2 is the utility model provides an oil-free air compressor's box structure cross-sectional view.

In the figure: 1. a motor with double output shafts; 2. a box body; 3. a cylinder; 4. a valve plate; 5. a cylinder cover; 6. a crank; 7. a piston rod; 8. a fan blade; 9. locking; 10. a protective cover; 11. a heat sink; 12. a noise reduction hole; 13. a heat dissipation groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an oil-free air compressor comprises a double-output-shaft motor 1, two cases 2, an air cylinder 3, a valve plate 4 and a cylinder cover 5, wherein output shafts at two ends of the double-output-shaft motor 1 respectively extend into the two cases 2 and are fixedly sleeved with a crank 6 through matching of keys and key grooves;

further, the upper surface of the box body 2 is distributed and fixedly provided with radiating fins 11 in a rectangular array.

The heat generated after the operation of the cylinder 3 can be radiated.

Furthermore, the surfaces of two sides of the top of the box body 2 are both provided with noise reduction holes 12 distributed in a rectangular array.

The noise reduction effect can be achieved for the noise generated by the cylinder 3 in the box body 2.

The connecting end of the crank 6 is fixedly sleeved with the bottom end of a piston rod 7 in the cylinder 3 through a bearing;

further, piston rods 7 in cylinders 3 at two ends of the double-output-shaft motor 1 reciprocate in the positive and negative directions.

The cylinders 3 which are distributed in the forward and reverse reciprocating motion can avoid the problem of load damage to the double-output-shaft motor 1 when the double-output-shaft motor works in a simultaneous motion mode.

The valve plate 4 is arranged at the top of the cylinder 3, and the valve plate 4 is fixedly sleeved inside the cylinder cover 5;

two ends of the motor 1 with double output shafts are fixedly sleeved with fan blades 8;

the side surfaces of the two box bodies 2 are fixedly sleeved with protective covers 10 which are inwards sunken and are in arc shapes through lock catches 9;

further, the fan blades 8 rotate to suck the air outside the protection mask 10 into the inside of the case 2.

Can utilize the flabellum 8 rotation to inhale some in advance with the air, conveniently admit air.

The fan blade 8 is sleeved inside the protective cover 10;

all have inwards sunken protection casing 10 that is the arc shape through the fixed cover of hasp 9 through the side that sets up two boxes 2, reached and improved the air inlet of air to both ends to avoid near the dust on ground to enter into the air compressor machine, the problem that the dust that falls perpendicularly falls on protection casing 10 surface can be avoided to the protection casing 10 of arc shape simultaneously.

Further, the upper surface of the protective cover 10 is provided with heat dissipation grooves 13 distributed in a rectangular array.

The effect of further radiating heat while shielding dust on the top of the box body 2 is realized;

through setting up dual output shaft motor 1, the motion of make full use of dual output shaft motor 1 divides into two the great cylinder 3 of air compression volume originally, can reduce single air compression's volume under the unchangeable circumstances of assurance air compression volume, reduces the noise that single shock wave produced, also can reduce the internal energy behind the single air compression simultaneously to reduce the produced temperature of air compression.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oil-free air compressor, includes dual output shaft motor (1), box (2), cylinder (3), valve plate (4) and cylinder cap (5), its characterized in that: output shafts at two ends of the double-output-shaft motor (1) respectively extend to the interiors of the two boxes (2) and are fixedly sleeved with cranks (6) through matching of keys and key grooves, connecting ends of the cranks (6) are fixedly sleeved with the bottom ends of piston rods (7) in the cylinders (3) through bearings, the valve plates (4) are arranged at the tops of the cylinders (3), and the valve plates (4) are fixedly sleeved in the cylinder covers (5);

both ends of dual output shaft motor (1) are all fixed the cup joint and are had flabellum (8), two the side of box (2) is all through hasp (9) fixed cup joint inside sunken protection casing (10) that are the arc shape, protection casing (10) will flabellum (8) cup joint inside it.

2. An oil-free air compressor as claimed in claim 1, wherein: and piston rods (7) positioned at two ends of the double-output-shaft motor (1) in the air cylinder (3) are in forward and reverse reciprocating motion.

3. An oil-free air compressor as claimed in claim 1, wherein: the fan blades (8) rotate to suck air outside the protective cover (10) into the box body (2).

4. An oil-free air compressor as claimed in claim 1, wherein: the upper surface of the box body (2) is in rectangular array distribution and is fixedly provided with radiating fins (11).

5. An oil-free air compressor as claimed in claim 1, wherein: the surface of both sides of the top of the box body (2) is provided with noise reduction holes (12) distributed in a rectangular array.

6. An oil-free air compressor as claimed in claim 1, wherein: the upper surface of the protective cover (10) is provided with heat dissipation grooves (13) distributed in a rectangular array.