CN216381750U - Direct-connected high-pressure air compressor - Google Patents

Abstract

The utility model provides a direct-connected high-pressure air compressor, and belongs to the technical field of air compression. The problem that the high-pressure air compressor in the prior art cannot meet the requirements of working performance and miniaturization is solved. The direct-connected high-pressure air compressor comprises a high-pressure air compressor body arranged on a rack and a plurality of piston cylinders connected with the high-pressure air compressor body in a matched mode, wherein the plurality of piston cylinders comprise at least one single-piston-rod double-acting piston cylinder, an exhaust channel of a primary compression cavity of each piston cylinder is communicated with an air inlet channel of a secondary compression cavity of the piston cylinder, and an exhaust channel of the secondary compression cavity of each piston cylinder is communicated with an air inlet channel of a next piston cylinder. The utility model has the advantage of ensuring compact structure while improving the working performance of the high-pressure air compressor.

Description

Direct-connected high-pressure air compressor

Technical Field

The utility model belongs to the technical field of air compression, and relates to a direct-connected high-pressure air compressor.

Background

The air compressor belongs to strategic emerging industries such as 'national industrial energy-saving technical equipment recommendation directory (2019) published by Ministry of industry and trust in 2019', green industry guidance directory (2019) published by the Ministry of development and reform of the country, and 'strategic emerging industry classification (2018)' air compressor belongs to '7.1.1 high-efficiency energy-saving general equipment manufacturing'. With the rapid development of economy in China, particularly the continuous improvement of the industrialization level, the total demand of an air compressor device is gradually improved, the market scale is estimated to reach 655.92 billion yuan in 2021, the air compressor is a device for compressing gas, is a main body in an electromechanical bleed air source device which is a core device for providing air source power and a pneumatic system, is a device for converting mechanical energy of prime motion into gas pressure energy, is an air pressure generating device for compressing air, is limited by processing precision and manufacturing process, the existing high-pressure air compressor production generally adopts a multi-stage compression structure for improving the energy efficiency of the high-pressure air compressor, but the volume of the high-pressure air compressor is increased when the first-stage compression is added, which is not in line with the development trend of miniaturization of the high-pressure air compressor, therefore, research and innovation are urgently needed, so that the high-pressure air compressor meets the requirements of both working performance and miniaturization.

Disclosure of Invention

The utility model aims to provide a direct-connected high-pressure air compressor aiming at the problems in the prior art. The utility model solves the technical problem of how to ensure compact structure while improving the working performance of the high-pressure air compressor.

The purpose of the utility model can be realized by the following technical scheme: the direct-connected high-pressure air compressor comprises a high-pressure air compressor body arranged on a rack and a plurality of piston cylinders connected with the high-pressure air compressor body in a matched mode, and is characterized in that the plurality of piston cylinders comprise at least one piston cylinder with a single piston rod and a double function, an exhaust channel of a primary compression cavity of each piston cylinder is communicated with an air inlet channel of a secondary compression cavity of the piston cylinder, and an exhaust channel of the secondary compression cavity of each piston cylinder is communicated with an air inlet channel of a next piston cylinder.

This associated mode high pressure air compressor's a plurality of piston cylinder includes the double-acting piston cylinder of at least one single piston rod, the double-acting piston cylinder of single piston rod makes this piston cylinder possess the ability of secondary compression, thereby but increased this associated mode high pressure air compressor's compression level under the prerequisite that does not increase the piston cylinder, because do not increase the piston cylinder, so also do not correspondingly increase this associated mode high pressure air compressor's volume and weight, accord with the miniaturized and lightweight development trend of high pressure air compressor, because the double-acting piston cylinder of single piston rod possesses the ability of secondary compression again, so this associated mode high pressure air compressor's working property obtains promotion by a wide margin again, and then guaranteed this associated mode high pressure air compressor's compact structure when improving high pressure air compressor working property.

In the above-mentioned associated mode high pressure air compressor machine, the piston cylinder has three, and three piston cylinder is single piston rod two acting's piston cylinder one and single piston rod two and the piston cylinder three of acting respectively, and piston cylinder one, piston cylinder two and piston cylinder three set up along circumference.

In order to compromise the volume and the working property of high-pressure air compressor, this high-pressure air compressor is provided with three piston cylinder, and three piston cylinder is the piston cylinder of single piston rod double action and the piston cylinder two and the piston cylinder three of single piston rod single action respectively, and three piston cylinder sets up along the circumferential direction for this high-pressure air compressor's structure is compacter.

In the above-mentioned direct-connected high-pressure air compressor, the front portion of high-pressure air compressor body is provided with radiator fan, and is provided with the wind scooper in radiator fan's flabellum outside, and the wind scooper is provided with a plurality of radial recesses along circumference interval in its edge, forms the guiding gutter that is used for just to each piston cylinder between the adjacent radial recess respectively.

This associated mode high-pressure air compressor's guiding gutter can guide radiator fan's wind to blow to the piston cylinder that corresponds with the wind-guiding heat dissipation, thereby prevent that the heat of piston cylinder from piling up, and radiating efficiency has been improved, because the piston cylinder is high-pressure air compressor's main heat production part, so above-mentioned structure can make high-pressure air compressor's radiating effect better, in addition, the wind scooper has dirt-proof effect, it is also comparatively convenient to the cleanness of wind scooper and radiator fan's flabellum, above-mentioned heat abstractor occupation space is less, make this associated mode high-pressure air compressor's structure compacter, and simultaneously, the heat dissipation of wind scooper is good, can guarantee high-pressure air compressor's working property.

In the above-mentioned direct-connected high-pressure air compressor, the guiding gutter is provided with an arc inclined plane that inclines towards the corresponding piston cylinder along the length direction thereof. The arc inclined plane on the guiding gutter can further guide the wind current to blow to corresponding piston cylinder, can improve radiating efficiency and effect.

In the above-mentioned associated mode high pressure air compressor machine, adjacent radial sunken make guiding gutter along its length direction's both sides wall slope in opposite directions, and every guiding gutter homoenergetic covers the orthographic projection of corresponding piston cylinder.

The guide groove inclines in opposite directions along the two side walls of the length direction of the guide groove, so that the width of the guide groove along the length direction of the guide groove is gradually reduced, a narrow tube effect is formed, the flow velocity of wind can be accelerated by the guide groove, the radiating efficiency is improved, each guide groove can cover the orthographic projection of the corresponding piston cylinder, the wind flow guided by the guide groove can be blown to the whole surface of the corresponding piston cylinder, and the radiating effect is improved.

In the above-mentioned direct-connected high-pressure air compressor, a plurality of ventilation holes are provided on the position of the wind guide cover facing the fan blades of the cooling fan, and a plurality of cooling fins are provided on the surface of each piston cylinder.

The plurality of radiating fins on the surface of each piston cylinder are convenient for absorbing heat generated by the piston cylinder, and the heat can be taken away when the air of the radiating fan passes through the radiating fins, so that the heat accumulation of the piston cylinder is further prevented, and the radiating efficiency is improved.

In the direct-connected high-pressure air compressor, the frame is provided with the motor, and the motor is in transmission connection with the high-pressure air compressor body through the rigid coupling. The rigid coupling has the superior performance of light in weight, ultralow inertia and high sensitivity to in the in-service use process, the rigid coupling has non-maintaining, superstrong anti-oil and corrosion-resistant advantage, and the rigid coupling makes the transmission of this associated mode high-pressure air compressor machine adopt the mode that motor and high-pressure air compressor machine body rigidity directly ally oneself with in addition, has abandoned the belt transmission mode that occupies more volume space, thereby makes the structure of high-pressure air compressor machine body and motor after the connection compacter.

In the above direct-connected high-pressure air compressor, the motor is a variable frequency motor. Adopt inverter motor to make the rotational speed of motor adjustable for this associated mode high-pressure air compressor machine's commonality is stronger, and this associated mode high-pressure air compressor machine can replace the equipment of several models promptly, thereby improves this associated mode high-pressure air compressor machine's working property by a wide margin on the basis that does not increase extra structure.

In the above-mentioned associated mode high pressure air compressor machine, still be provided with the air purification filter that is arranged in filtering the impurity such as suspension dust in the compressed air and the multistage oil-water separator that is arranged in separating oil droplet and water droplet in the compressed air in the frame, air purification filter is connected with the last oil-water separator of multistage oil-water separator.

The compressed air containing oil and water enters the oil-water separator to generate abrupt change of flow direction and speed, and then depends on the action of inertia, oil drops and water drops with the density higher than that of the compressed air are separated to obtain separated liquid, the separated liquid flows into the lower part of the oil-water separator to be discharged through a valve opened manually or an air drain valve is installed on the lower part of the oil-water separator to be discharged, on the basis that the oil drops and the water drops in the compressed air are separated by the oil-water separator, the air purification filter can further filter impurities such as suspended dust in the compressed air, the compressed air is enabled to be cleaner, and therefore the working performance of the direct-connected high-pressure air compressor is improved.

In the above-mentioned associated mode high-pressure air compressor machine, air purification filter and oil water separator adjacent setting and both are located same one side of high-pressure air compressor machine body. The structure makes the direct-connected high-pressure air compressor more compact.

Compared with the prior art, the direct-connected high-pressure air compressor has the advantages that: 1. the piston cylinders of the high-pressure air compressor comprise at least one single-piston-rod double-acting piston cylinder, so that the direct-connected high-pressure air compressor is compact in structure while the working performance of the high-pressure air compressor is improved.

2. The air guide cover of the direct-connected high-pressure air compressor enables the structure of the direct-connected high-pressure air compressor to be more compact, and the working performance of the high-pressure air compressor can be guaranteed through a good heat dissipation effect.

Drawings

Fig. 1 is a schematic perspective view of the direct-connected high-pressure air compressor.

Fig. 2 is a schematic perspective view of the air guide cover of the direct-connected high-pressure air compressor.

Fig. 3 is a schematic perspective view of the second direct-connected high-pressure air compressor.

Fig. 4 is a rear view of the direct connection type high-pressure air compressor.

In the figure, 1, a frame; 2. a high-pressure air compressor body; 3. a piston cylinder I; 4. a piston cylinder II; 5. a piston cylinder III; 6. a wind scooper; 7. a diversion trench; 8. an arc-shaped inclined surface; 9. a vent hole; 10. a motor; 11. a multi-stage oil-water separator; 12. an air cleaning filter; 13. a rigid coupling; 14. and 6, radial depression.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

A direct-connected high-pressure air compressor is disclosed, and referring to FIGS. 1-4, the direct-connected high-pressure air compressor comprises a high-pressure air compressor body 2 arranged on a frame 1 and a plurality of piston cylinders which are connected with the high-pressure air compressor body in a matched mode, the plurality of piston cylinders comprise at least one piston cylinder with a single piston rod and a double action function, an exhaust channel of a primary compression cavity of each piston cylinder is communicated with an air inlet channel of a secondary compression cavity of the piston cylinder, and an exhaust channel of the secondary compression cavity of each piston cylinder is communicated with an air inlet channel of a next piston cylinder. Specifically, the preferable piston cylinder of this embodiment has three, and three piston cylinder are single piston rod two acting's piston cylinder 3 and single piston rod two 4 and the piston cylinder three 5 of acting respectively, and piston cylinder one 3, piston cylinder two 4 and piston cylinder three 5 set up along the circumference.

This associated mode high pressure air compressor's a plurality of piston cylinder includes the double-acting piston cylinder of at least one single piston rod, the double-acting piston cylinder of single piston rod makes this piston cylinder possess the ability of secondary compression, thereby but increased this associated mode high pressure air compressor's compression level under the prerequisite that does not increase the piston cylinder, because do not increase the piston cylinder, so also do not correspondingly increase this associated mode high pressure air compressor's volume and weight, accord with the miniaturized and lightweight development trend of high pressure air compressor, because the double-acting piston cylinder of single piston rod possesses the ability of secondary compression again, so this associated mode high pressure air compressor's working property obtains promotion by a wide margin again, and then guaranteed this associated mode high pressure air compressor's compact structure when improving high pressure air compressor working property. In order to take account of the volume and the working performance of the high-pressure air compressor, the direct-connected high-pressure air compressor is provided with three piston cylinders, each piston cylinder comprises a single-piston-rod double-acting piston cylinder 3, two single-piston-rod single-acting piston cylinders II 4 and a piston cylinder III 5, and the three piston cylinders are arranged along the circumferential direction, so that the direct-connected high-pressure air compressor is more compact in structure.

Referring to fig. 1, 2, 3 and 4, a cooling fan is disposed at the front of the high-pressure air compressor body 2, an air guiding cover 6 is disposed outside a fan blade of the cooling fan, a plurality of radial recesses 14 are circumferentially spaced at the edge of the air guiding cover 6, and a guiding groove 7 for facing each piston cylinder is formed between each adjacent radial recess 14; the guide groove 7 is provided with an arc-shaped inclined surface 8 which inclines towards the corresponding piston cylinder along the length direction; the adjacent radial depressions 14 enable the two side walls of the guide grooves 7 in the length direction to incline oppositely, and each guide groove 7 can cover the orthographic projection of the corresponding piston cylinder.

The flow guide groove 7 of the direct-connected high-pressure air compressor can guide the wind of the cooling fan to blow to the corresponding piston cylinder to guide the wind and dissipate the heat, meanwhile, the arc-shaped inclined surface 8 on the diversion trench 7 can further guide the wind flow to blow to the corresponding piston cylinder, two side walls of the diversion trench 7 along the length direction incline oppositely to ensure that the width of the diversion trench 7 along the length direction is gradually reduced to form a narrow tube effect, the flow guide groove 7 can accelerate the flow velocity of the wind, the plurality of radiating fins on the surface of each piston cylinder are convenient for absorbing the heat generated by the piston cylinder, the wind of the radiating fan can take away the heat when passing through the radiating fins, thereby further preventing the heat accumulation of the piston cylinder and improving the heat dissipation efficiency, the heat dissipation device occupies smaller space, the direct-connected high-pressure air compressor has a more compact structure, and the working performance of the high-pressure air compressor can be ensured through a good heat dissipation effect.

Referring to fig. 1, 3 and 4, a motor 10 is arranged on the frame 1, the motor 10 is in transmission connection with the high-pressure air compressor body 2 through a rigid coupling, and the motor 10 is a variable frequency motor. The rigid coupling 13 has the advantages of light weight, ultralow inertia and high sensitivity, and in the actual use process, the rigid coupling 13 has the advantages of maintenance free, superstrong oil resistance and corrosion resistance, and the rigid coupling enables the transmission of the direct-connected high-pressure air compressor to adopt a mode of rigid direct connection of the motor and the high-pressure air compressor body, and a belt transmission mode occupying a larger volume space is abandoned, so that the structures of the connected high-pressure air compressor body 2 and the motor are more compact; adopt inverter motor to make motor 10's rotational speed adjustable for this associated mode high-pressure air compressor machine's commonality is stronger, and this equipment can replace the equipment of several models promptly, thereby improves this associated mode high-pressure air compressor machine's working property by a wide margin on the basis that does not increase extra structure.

Referring to fig. 1, fig. 3 and fig. 4, frame 1 is last still to be provided with air purification filter 12 that is arranged in filtering the impurity such as suspension dust in the compressed air and multistage oil-water separator 11 that is arranged in separating oil drops and water droplet in the compressed air, and air purification filter 12 is connected with multistage oil-water separator 11's last stage oil-water separator 11, and further, air purification filter 12 and oil-water separator 11 adjacent set up and both all are located same one side of high-pressure air compressor body 2 for this associated mode high-pressure air compressor structure is compacter, and the space that needs to occupy is littleer. Produce the abrupt change of flow direction and speed after the compressed air who contains oil and water gets into oil water separator 9, rely on inertial effect again, the liquid that separates out the oil drop that density ratio compressed air is big and water drop flows into oil water separator's lower part and opens the valve discharge or at oil water separator's lower part installation air leakage valve discharge through the manual work, on the basis of oil drop and water drop in oil water separator 9 separation compressed air, air purification filter 10 can further strain impurity such as suspension dust in the compressed air, make compressed air cleaner, thereby improve this associated mode high pressure air compressor's working property.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a direct-coupled high pressure air compressor machine, includes high pressure air compressor machine body (2) and a plurality of piston cylinder rather than the cooperation connection that set up in frame (1), its characterized in that, a plurality of piston cylinder include the piston cylinder of at least one single piston rod double-acting, and the exhaust passage in this piston cylinder one-level compression chamber is linked together with the inlet channel in its second grade compression chamber, and the exhaust passage in this piston cylinder second grade compression chamber is linked together with the inlet channel of next stage piston cylinder.

2. The direct-connected high-pressure air compressor as claimed in claim 1, wherein the number of the piston cylinders is three, the three piston cylinders are respectively a single-piston-rod double-acting piston cylinder I (3), a single-piston-rod single-acting piston cylinder II (4) and a single-piston-rod single-acting piston cylinder III (5), and the piston cylinder I (3), the piston cylinder II (4) and the piston cylinder III (5) are circumferentially arranged.

3. The direct-connected high-pressure air compressor as claimed in claim 1, wherein a radiator fan is arranged at the front of the high-pressure air compressor body (2), an air guiding cover (6) is arranged outside the fan blades of the radiator fan, a plurality of radial recesses (14) are circumferentially arranged on the edge of the air guiding cover (6) at intervals, and guide grooves (7) for facing each piston cylinder are respectively formed between every two adjacent radial recesses (14).

4. The direct-connected high-pressure air compressor as claimed in claim 3, wherein the flow guide grooves (7) are provided with arc-shaped inclined surfaces (8) which are inclined towards the corresponding piston cylinders along the length direction thereof.

5. The direct-connected high-pressure air compressor as claimed in claim 4, wherein the adjacent radial recesses (14) enable the two side walls of the guiding grooves (7) in the length direction to incline towards each other, and each guiding groove (7) can cover the orthographic projection of the corresponding piston cylinder.

6. The direct-connected high-pressure air compressor as claimed in claim 3, 4 or 5, wherein the air guiding cover (6) is provided with a plurality of ventilation holes (9) at positions facing the blades of the cooling fan, and the surface of each piston cylinder is provided with a plurality of cooling fins.

7. The direct-connected high-pressure air compressor as claimed in claim 1, 2, 3 or 4, wherein the frame (1) is provided with a motor (10), and the motor (10) is in transmission connection with the high-pressure air compressor body (2) through a rigid coupling (13).

8. The direct-connected high-pressure air compressor as claimed in claim 7, wherein the motor (10) is an inverter motor.

9. The direct-connected high-pressure air compressor according to claim 1, 2, 3 or 4, characterized in that the frame (1) is further provided with an air cleaning filter (12) for filtering impurities such as suspended dust and the like in the compressed air and a multistage oil-water separator (11) for separating oil drops and water drops in the compressed air, wherein the air cleaning filter (12) is connected with the final oil-water separator (11) of the multistage oil-water separator (11).

10. The direct-connected high-pressure air compressor as claimed in claim 9, wherein the air cleaning filter (12) and the multistage oil-water separator (11) are disposed adjacent to each other and are both located on the same side of the high-pressure air compressor body (2).

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