CN108035863A - A kind of compressor and the mechanized equipment with the compressor - Google Patents

Abstract

The invention discloses a compressor, comprising: a cylinder body, the cylinder body includes a compression chamber and an output chamber, a valve plate is arranged between the compression chamber and the output chamber, a first communication hole is arranged on the valve plate, and a power unit is provided in the compression chamber. The source interface and the air inlet, the output chamber is provided with an output hole for compressed gas output; the air intake filter is arranged at the air inlet; the eccentric wheel is arranged at the power source interface, and the eccentric part of the eccentric wheel is connected to the connecting rod piston Assembly, to drive the connecting rod piston assembly to move in the compression chamber, the piston end of the connecting rod piston assembly is circumferentially sealed with the compression chamber, the piston end is provided with a second communication hole connecting the first communication hole and the compression chamber, and the second communication hole The hole is covered with an intake valve sheet; the second communicating hole is covered with an exhaust valve sheet. The compressor adopts a pendulum mechanism formed by an eccentric wheel and a connecting rod piston assembly. There is no obvious temperature rise during use, and various problems caused by temperature rise can be avoided. The application also discloses a mechanical equipment including the above-mentioned compressor .

Description

A compressor and mechanical equipment with the compressor

technical field

The present invention relates to the technical field of compressor design, and more specifically, relates to a compressor. Furthermore, the present invention also relates to a mechanical equipment comprising the above-mentioned compressor.

Background technique

Compressors are widely used in industries, vehicles and other occasions. Most of the existing compressors are oil-cooled. Now that environmental protection requirements are becoming increasingly stringent, the market needs an oil-free compressor.

In the process of compressing the medium, the compressor generates a lot of heat, especially the temperature of the compression piston will reach 180-200°C, and the temperature of the bearing of the connecting rod will also be high, which is the key to the normal operation of the product. At present, the maintenance design of the compressors on the market has many disadvantages such as many parts to be disassembled for maintenance, and the internal core components are easily polluted, which needs to be improved. Improving the wear resistance of the sealing ring and the cylinder block during the working process and improving the service life are also the key points of product design.

To sum up, how to provide a compressor that avoids excessively high operating temperature is an urgent problem to be solved by those skilled in the art.

Contents of the invention

In view of this, the object of the present invention is to provide a compressor, the temperature of which is controllable during use, and will not generate high temperature, so as to avoid affecting normal operation.

Another object of the present invention is to provide a mechanical installation comprising the above-mentioned compressor.

In order to achieve the above object, the present invention provides the following technical solutions:

A compressor comprising:

Cylinder, the cylinder includes a compression chamber and an output chamber, a valve plate is provided between the compression chamber and the output chamber, a first communication hole is provided on the valve plate, and a power source is provided in the compression chamber an interface and an air inlet, and the output chamber is provided with an output hole for compressed gas output;

an air intake filter located at the air intake;

An eccentric wheel arranged at the interface of the power source, the eccentric part of the eccentric wheel is connected to the connecting rod piston assembly to drive the connecting rod piston assembly to move in the compression chamber, the piston end of the connecting rod piston assembly is connected to the The compression chamber is circumferentially sealed, the piston end is provided with a second communication hole communicating with the first communication hole and the compression chamber, the second communication hole is covered with an intake valve plate, and the piston end faces the When the valve plate moves, the intake valve plate is closed, and when the piston end is away from the valve plate, the intake valve plate is opened; the second communicating hole is covered with an exhaust valve plate, and the piston end When moving toward the valve plate, the exhaust valve plate is opened, and when the piston end moves away from the valve plate, the exhaust valve plate is closed.

Preferably, the eccentric wheel is sleeved in the hole of the connecting rod part of the connecting rod-piston assembly, the eccentric wheel is connected with the hole through a bearing, and the eccentric wheel is perpendicular to the connecting rod part.

Preferably, the valve plate is provided with a limiting plate for limiting the opening angle of the exhaust valve plate.

Preferably, the cylinder body includes a crankcase for setting the air intake filter, and the air intake filter is provided at a position inside the cylinder body for restricting the gas in the cylinder body from flowing into the air inlet filter. Rubber valve plate for air filter reverse flow.

Preferably, the air inlet is provided with a filter element end cover, and the filter element end cover is provided with a through hole for communicating with the intake pipe, and the side of the filter element end cover facing the inside of the cylinder is provided with the air intake filter, the intake filter is fixed to the filter element end cover through an annular compression seal, and the rubber valve plate is arranged on the annular compression seal.

Preferably, the piston end comprises:

a pusher, the pusher is connected to the connecting rod part of the connecting rod-piston assembly;

A pressure plate arranged on the pusher, the second communication hole runs through the pressure plate and the pusher, and the circumferential clamping between the pressure plate and the pusher is used for sealing with the inner periphery of the compression chamber of the sealing ring.

Preferably, the cylinder body includes a lower cylinder body forming the compression chamber and an upper cylinder body forming the output chamber, and the upper cylinder body and the lower cylinder body are sealed and connected by the valve plate.

A kind of mechanical equipment, including a compressor, and the compressor is the compressor described in any one of the above.

Preferably, the mechanical equipment is a vehicle.

The compressor provided by this application adopts the swing link mechanism formed by the eccentric wheel and the connecting rod piston assembly, which can realize the conversion of rotary motion into linear motion, and only the bearing in the direction of rotation is involved in the connection of the eccentric wheel and the connecting rod piston assembly , There is no obvious temperature rise during the use of the bearing, which can avoid various problems caused by temperature rise. The compressor provided in this application is an air compressor, which avoids the problem of temperature rise in oil-cooled compressors. In addition, the compressor of the present application has a simple structure, is easy to implement, and is tightly connected to ensure sealing.

The present application also provides mechanical equipment including the above-mentioned compressor, and the mechanical equipment may be a vehicle or other mechanical structures.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a sectional view of a compressor provided by the present invention.

In Figure 1:

Air intake A, compression execution part B, compression output part C, power source part D;

Compression screw 1, main engine end cover 2, filter element end cover 3, intake filter 4, rubber valve plate 5, eccentric wheel 6, bearing 7, connecting rod piston assembly 8, sealing ring 9, pressure plate 10, intake valve plate 11. Lower cylinder block 12, valve plate 13, exhaust valve plate 14, limit plate 15, cylinder head 16, heat shield 17, crankcase 18.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The core of the present invention is to provide a compressor, the temperature of the compressor is controllable during use, and no high temperature will be generated to avoid affecting normal operation. Another core of the present invention is to provide a mechanical equipment including the above-mentioned compressor.

Please refer to FIG. 1 , which is a cross-sectional view of a compressor provided by the present invention.

The structure of a compressor provided by the present application mainly includes a cylinder block, an air intake filter 4 used for air intake filtering, and an eccentric wheel 6 used as a power source.

Specifically, the cylinder body includes a compression chamber and an output chamber, and a valve plate 13 for separating the two is provided between the compression chamber and the output chamber. The valve plate 13 is provided with a first communication hole, and the compression chamber is provided with a power source. Interface and air inlet, the output chamber is provided with an output hole for compressed gas output.

The air intake filter 4 is arranged at the air inlet; the eccentric wheel 6 is arranged at the power source interface, and the eccentric part of the eccentric wheel 6 is connected with the connecting rod piston assembly 8 to drive the connecting rod piston assembly 8 to move in the compression chamber, and the connecting rod piston The piston end of the assembly 8 is circumferentially sealed with the compression chamber, and the piston end is provided with a second communication hole connecting the first communication hole and the compression chamber, and the second communication hole is covered with an intake valve plate 11; the piston end faces the valve plate 13 When moving, the intake valve plate 11 is closed, and when the piston end is away from the valve plate 13, the intake valve plate 11 is opened; the second communication hole is covered with an exhaust valve plate 14, and when the piston end moves to the valve plate 13, the exhaust valve The sheet 14 is opened, and when the piston end is away from the valve plate 13, the exhaust valve sheet 14 is closed.

It should be noted that the cylinder body can be a complete cylinder body with a compression chamber and an output chamber inside, and the two are separated inside by a valve plate 13; or the cylinder body is formed by splicing two cylinder body parts, and the cylinder body The body pieces respectively form a compression chamber and an output chamber.

A first communication hole is provided on the valve plate 13, and the first communication hole realizes connection or blockage under different usage conditions, so as to realize the function of compressing the gas in the cylinder.

An air inlet is arranged on the compression chamber, and an air inlet filter 4 is arranged on the air inlet to filter the input air.

The compression chamber is provided with a power source interface. By setting the eccentric wheel 6 on the interface, the eccentric part of the eccentric wheel 6 is connected to the connecting rod piston assembly 8, so as to drive the connecting rod piston assembly 8 to move and realize the piston-type movement in the cavity. .

The connecting rod-piston assembly 8 includes a connecting rod part and a piston end, and the circumferential direction of the piston end is in sealing connection with the inner wall of the compression chamber, so as to realize the piston action.

A second connection hole is provided on the piston end, and when the piston end moves in different directions, the second connection hole realizes communication and blockage respectively, so as to realize the compression and discharge of gas in different states.

Specifically, when the piston end is close to the valve plate 13, the intake valve plate 11 is closed, and when the piston end is away from the valve plate 13, the intake valve plate 11 is opened; the second communication hole is covered with an exhaust valve plate 14, and the piston end is close to the valve plate 13. When the valve plate 13 is closed, the exhaust valve plate 14 is opened, and when the piston end is far away from the valve plate 13, the exhaust valve plate 14 is closed.

In a specific embodiment, the intake valve plate 11 is arranged on the end surface of the second communication hole facing the first communication hole, and the exhaust valve plate 14 is arranged on the end surface of the first communication hole facing the output chamber.

The compressor provided by this application adopts the swing mechanism formed by the eccentric wheel 6 and the connecting rod-piston assembly 8. This mechanism can realize the conversion of rotary motion into linear motion, and only rotation is involved in the connection between the eccentric wheel 6 and the connecting rod-piston assembly 8. The bearing in the direction, the bearing has no obvious temperature rise during use, and can avoid various problems caused by temperature rise. The compressor provided in this application is an air compressor, which avoids the problem of temperature rise in oil-cooled compressors. In addition, the compressor of the present application has a simple structure, is easy to implement, and is tightly connected to ensure sealing.

On the basis of the above embodiment, the eccentric wheel 6 is sleeved in the hole of the connecting rod part of the connecting rod piston assembly 8, the eccentric wheel 6 and the hole are connected through the bearing 7, and the eccentric wheel 6 is perpendicular to the connecting rod part.

Based on the above embodiments, the valve plate 13 is provided with a limiting plate 15 for limiting the opening angle of the exhaust valve plate 14 .

Optionally, the above-mentioned limit plate 15 is connected to the valve plate 13 by bolts. The limit plate 15 is an elastic element, one end of which is connected to the valve plate 13 by bolts, and the other end is a free end that can be opened and closed and arranged in the first communication hole. .

Optionally, the axes of the first communication hole and the second communication hole are arranged in parallel, and further, the two are not arranged on the same line.

On the basis of the above embodiments, the air intake filter 4 is provided with a rubber valve plate 5 for restricting the gas in the cylinder to flow back to the intake filter 4 at the position inside the cylinder body.

Optionally, the above-mentioned rubber valve sheet 5 may be valve sheets of various types and materials. Optionally, valve plates made of materials other than rubber can also be selected.

On the basis of the above embodiment, the cylinder block includes a crankcase 18 for setting the intake filter 4, specifically, the cylinder block includes a crankcase 18 and a cylinder part arranged on the crankcase 18, and the cylinder part can be Including an upper cylinder block and a lower cylinder block, the above-mentioned air inlet is arranged on the crankcase 18, the air inlet is provided with a filter element end cover 3, and a through hole for connecting the intake pipe is provided on the filter element end cover 3, and the filter element end cover 3 faces One side inside the crankcase 18 is provided with an air intake filter 4, and the air intake filter 4 is fixed on the filter element end cover 3 through an annular compression seal, and a rubber valve plate 5 is arranged on the annular compression element.

The above-mentioned filter element end cover 3 is used to fix the intake filter 4, and the rubber valve plate 5 provided on the annular pressing member can avoid reverse leakage of gas.

On the basis of the foregoing embodiments, the piston end includes:

A pusher, the pusher is connected to the connecting rod portion of the connecting rod piston assembly 8;

The pressure plate 10 arranged on the pusher, the second communication hole runs through the pressure plate 10 and the pusher, and the circumferential direction of the pressure plate 10 and the pusher clamps the sealing ring 9 for sealing with the inner periphery of the compression chamber.

It should be noted that the above-mentioned sealing ring 9 can ensure that the connecting rod-piston assembly 8 forms a piston function.

On the basis of the above embodiments, the cylinder body includes a lower cylinder body 12 forming a compression chamber and an upper cylinder body forming an output chamber, and the upper cylinder body and the lower cylinder body 12 are hermetically connected by a valve plate 13 .

Optionally, the above-mentioned upper cylinder body may specifically be the cylinder head 16 in FIG. 1 .

Optionally, a heat shield assembly 17 is provided on the cylinder head 16 to improve the heat insulation capability of the device.

Optionally, the air intake passage of the air intake filter 4 is a bent passage.

The compressor provided by this application includes an air inlet A, a compression execution part B, a compression output part C, a power source part D and other parts. The specific structure includes compression screw 1, main engine end cover 2, filter element end cover 3, intake filter 4, rubber valve plate 5, eccentric wheel 6, bearing 7, connecting rod piston assembly 8, sealing ring 9, pressure plate 10, Intake valve plate 11, cylinder block 12, valve plate 13, exhaust valve plate 14, limit plate 15, cylinder head 16, heat shield 17 and crankcase 18 and other components.

The air inlet A of the above-mentioned compressor is used for air intake, and is provided with an air intake filter 4, and the rotational power provided by the power source part D passes through the compression execution part B, so that the medium is compressed and output in the compression output part C.

The air flow of the compressor is filtered by the intake filter 4, enters the cylinder body through the rubber valve plate 5, and reaches the intake valve plate 11 due to the action of the connecting rod piston assembly, is compressed by the sealing ring 9 and the connecting rod piston assembly 8, and reaches At the upper end of the exhaust valve plate 14, the final airflow completes the compression output.

In the power input part, the power source component can be a structure such as a reducer or an engine, so that the rotational power is transmitted to the eccentric wheel 6 connected to it, and the eccentric wheel 6 rotates in the cylinder body, and the eccentric wheel 6 is connected to the connecting rod piston assembly 8, and the eccentric wheel The rotation of the wheel 6 drives the connected bearing 7 and the connecting rod piston assembly 8 to move. It should be noted that the application uses the rotation of the eccentric wheel 6 to drive the longitudinal movement of the connecting rod piston assembly, so the through hole on the connecting rod piston assembly 8 It needs to be larger than the eccentric wheel 6 so that the rotary motion can be converted into linear motion. The sealing ring 9, the pressure plate 10, the intake valve plate 11 and other components reciprocate with the connecting rod-piston assembly 8, so as to realize the suction and compression exhaust of the compression chamber.

Specifically, the semicircular counterbore on the filter element end cover 3 cooperates with the compression screw 1, and the semicircular screw on the main engine end cover 2 cooperates with the compression screw 1, and the compression screw 1 is between the two parts. In the meantime, fix the filter element end cover 3 on the host end cover 2.

The air inlet filter 4 is provided with a metal frame, and both ends of the metal frame are provided with sealing rubber, which is convenient to keep sealed when being pressed by the filter element end cover 3 .

In the process of airflow being compressed, there may be a small amount of gas flowing backward from the intake filter valve 4. The setting of the rubber valve plate 5 can prevent the reverse flow of the small amount of leakage, prevent the backflow of the airflow, and improve the compression efficiency. During maintenance, the internal Core components are also protective.

The sealing ring 9 is installed between the pressure plate 10 and the connecting rod-piston assembly 8, and plays a sealing role during compression.

The intake valve plate 11 is installed on the pressing plate 10, and when the connecting rod-piston assembly 8 moves downward in FIG. 1, it opens; when it moves upward in FIG. 1, it closes. The exhaust valve plate 14 is installed on the valve plate 13, and when the connecting rod-piston assembly 8 moves downward in FIG. 1, it closes; when it moves upward in FIG. 1, it opens.

The limiting plate 15 is used to prevent the opening height of the exhaust valve plate 14 from being too large. The cylinder body cooperates with the connecting rod-piston assembly 8 to realize the reciprocating movement of the connecting rod-piston assembly 8 and realize the compression of the medium.

Optionally, a cylinder head 16 is arranged on the cylinder body, and an output hole is provided on the cylinder head 16 to complete the output of the compressed gas.

The connecting rod piston assembly 8, sealing ring 10, intake valve plate 11, exhaust valve plate 14, and limit plate 15 inside the product have relatively high temperature, and the external cylinder block and cylinder head 16 have relatively high temperature. 17. Block the exposed parts to prevent manual touch and burns.

When the product needs to replace the air intake filter 4 regularly, it is only necessary to remove the compression screw 1, remove the filter element end cover 3, and pull out the air intake filter 4 by hand. Because the core of the product still has a rubber valve plate 5 at this time Therefore, during the replacement process, dirt will not enter the inner core of the product, thereby avoiding the core from being polluted. The maintenance steps are simplified and the reliability is improved.

The compressor provided by this application can generate a compressed medium with a maximum pressure of 10 bar, and can be used in medicine, oxygen production industry, and new energy transportation vehicles where the compressed medium is oil-free and the air purity is high.

In addition to the main structure of the compressor provided in the above-mentioned embodiments, the present invention also provides a mechanical equipment including the compressor disclosed in the above-mentioned embodiments. Please refer to the prior art for the structure of other parts of the mechanical equipment. Let me repeat.

Optionally, the above-mentioned mechanical equipment may be mechanical structures of various structures such as vehicles and industrial machinery.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The compressor provided by the present invention and the mechanical equipment having the compressor have been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (9)

1. A kind of 1. compressor, it is characterised in that including：

   Cylinder body, the cylinder body include compression chamber and output cavity, and valve plate (13) is equipped between the compression chamber and the output cavity, described Valve plate (13) is equipped with the first intercommunicating pore, and the compression chamber is equipped with power source interface and air inlet, and the output cavity, which is equipped with, to be used The delivery outlet that gas exports after being compressed；

   Arranged on the air intake filter (4) of the air inlet；

   Arranged on the eccentric wheel (6) of the power source interface, the eccentric part connection connecting rod piston component (8) of the eccentric wheel (6), with The connecting rod piston component (8) is driven to be moved in the compression chamber, piston end and the pressure of the connecting rod piston component (8) Contracting chamber circumferential seal, the piston end is equipped with the second intercommunicating pore for connecting first intercommunicating pore and the compression chamber, described Covered with air-intake valve plate (11) on second intercommunicating pore, the piston end to the valve plate (13) it is mobile when, the air-intake valve plate (11) close, when the piston end is away from the valve plate (13), the air-intake valve plate (11) is opened；The second intercommunicating pore overlying Exhaust valve plate (14) is stamped, the piston end is to during the valve plate (13) movement, and the exhaust valve plate (14) is opened, the piston When end is away from the valve plate (13), the exhaust valve plate (14) is closed.
2. 2. compressor according to claim 1, it is characterised in that the eccentric wheel (6) is socketed in the connecting rod piston group In the hole of the link rod part of part (8), the eccentric wheel (6) is connected with the hole by bearing (7), the eccentric wheel (6) with it is described Link rod part is vertical.
3. 3. compressor according to claim 2, it is characterised in that the valve plate (13), which is equipped with, to be used to limit the exhaust The limiting plate (15) of valve block (14) opening angle.
4. 4. compressor according to claim 3, it is characterised in that the cylinder body includes being used to set the air intake filter (4) crankcase (18), is equipped with the air intake filter (4) positioned at the internal position of the crankcase (18) and is used to limit institute State the rubber valve plate (5) that crankcase (18) interior gas is flow backwards to the air intake filter (4).
5. 5. compressor according to claim 4, it is characterised in that the air inlet is equipped with end cover of filter element (3), the filter core End cap (3) is equipped with the through hole for being used for connecting air inlet pipe, side of the end cover of filter element (3) towards the crankcase (18) inside Equipped with the air intake filter (4), the air intake filter (4) is fixed on the end cover of filter element by ring compression seal (3), the ring compression seal is equipped with the rubber valve plate (5).
6. 6. compressor according to claim 5, it is characterised in that the piston end includes：

   Impeller, the impeller are connected with the link rod part of the connecting rod piston component (8)；

   The pressing plate (10) being arranged on the impeller, second intercommunicating pore is through the pressing plate (10) and the promotion The circumferential clamping of part, the pressing plate (10) and the impeller is used for the sealing ring (9) with compression chamber inner circumferential sealing.
7. 7. compressor according to claim 6, it is characterised in that the cylinder body includes the lower cylinder body for forming the compression chamber (12) and the upper cylinder body of the output cavity is formed, the upper cylinder body and the lower cylinder body (12) pass through the valve plate (13) sealing and connect Connect.
8. 8. a kind of mechanized equipment, including compressor, it is characterised in that the compressor is claim 1 to 7 any one of them Compressor.
9. 9. mechanized equipment according to claim 8, it is characterised in that the mechanized equipment is vehicle.