CN218293801U

CN218293801U - Air compressor

Info

Publication number: CN218293801U
Application number: CN202220709687.6U
Authority: CN
Inventors: 朱志辉
Original assignee: Foshan Honghuiteng Machinery Technology Co ltd
Current assignee: Foshan Honghuiteng Machinery Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2023-01-13
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to the technical field of compressors, in particular to an air compressor, which comprises a shell, a motor, a connecting rod, a piston, a valve plate, an air inlet valve plate, an air outlet valve plate and a limit lug; the both sides of casing bottom plate are equipped with the air inlet, middle part in the casing is equipped with the motor, the both sides of motor all are connected with the one end of connecting rod through the cam, the motor rotates and can drive the connecting rod through the cam and reciprocate, the piston sets up in the other end of connecting rod, the valve plate is located the top of piston, the bottom of valve plate is located to the discharge valve piece, the top of valve plate is located to the suction valve piece, spacing lug is located the top of discharge valve piece, the top of casing is equipped with the gas vent, the top of valve plate is passed through the blast pipe and is connected with the gas vent. The limit bump above the exhaust valve plate is used for limiting the lift height of the exhaust valve plate, so that the service life of the exhaust valve plate is prolonged under the condition that normal air intake and exhaust of the compressor are not influenced, and noise generated when compressed air passes through the exhaust valve plate is reduced.

Description

Air compressor

Technical Field

The utility model relates to a compressor technical field, concretely relates to air compressor.

Background

The valve plate is a key component of the air suction and exhaust system of the compressor, and the performance and reliability of the valve plate directly affect the performance, reliability and service life of the compressor. When the compressor exhausts, the air flow pushes the valve plate to open, and when the exhaust is finished, the valve plate is closed under the action of self elasticity and high-low pressure difference and collides with the valve plate to cover the exhaust hole. At present, in the design and research of a compressor, the problems of deformation, fracture and the like of a valve plate easily caused by overhigh lift of the valve plate are found, so that the service life of the compressor is shortened, and larger noise is generated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air compressor.

In order to achieve the above object, the present invention provides the following technical solution, an air compressor, including: the valve comprises a shell, a motor, a connecting rod, a piston, a valve plate, an air inlet valve plate, an air outlet valve plate and a limiting bump; the improved air-discharge valve comprises a shell bottom plate, and is characterized in that air inlets are formed in two sides of the shell bottom plate, a motor is arranged in the middle of the shell, two sides of the motor are connected with one end of a connecting rod through a cam, the motor rotates to drive the connecting rod to move up and down through the cam, a piston is arranged at the other end of the connecting rod, a valve plate is arranged above the piston, an air discharge valve block is arranged at the bottom of the valve plate, the air inlet valve block is arranged at the top of the valve plate, a limiting lug is arranged above the air discharge valve block, an air discharge port is formed in the top of the shell, and the top of the valve plate is connected with the air discharge port through an air discharge pipe.

Further specifically, in the above technical solution, one end of the limiting bump close to the vent valve sheet is an inclined surface, and when the vent valve sheet is opened, the vent valve sheet is attached to the inclined surface of the limiting bump.

More specifically, in the above technical scheme, a groove is formed in the bottom of the valve plate, and the groove is used for limiting the lift height of the air inlet valve plate.

More specifically, in the above technical solution, the bottom surface of the groove is an inclined surface, and when the intake valve sheet is opened, the intake valve sheet is attached to the inclined surface of the groove.

Further specifically speaking, among the above-mentioned technical scheme, the cam is close to one side of motor is provided with the spread groove, the motor can stretch into the spread groove and drive the cam rotates, the cam is close to one side of connecting rod is provided with the arch, the arch is used for driving the connecting rod reciprocates.

More specifically, in the above technical solution, the piston at one side in the housing and the piston at the other side in the housing move in opposite directions.

More specifically, in the above technical solution, the discharge valve plate is fixed to the top of the valve plate by a fixing member.

More specifically, in the above technical solution, the bottom of the piston is connected with an air storage tank.

Compared with the prior art, the beneficial effects of the utility model are that: the limit bump above the exhaust valve plate is used for limiting the lift height of the exhaust valve plate, so that the service life of the exhaust valve plate is prolonged under the condition of not influencing the normal air intake and exhaust of the compressor, and the noise generated when compressed air passes through the exhaust valve plate is reduced; and the motor is utilized to simultaneously rotate the cams at the two sides in the shell, so that the pistons at the two sides of the shell simultaneously compress air, and the compression efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is a schematic view of the cam;

fig. 4 is a schematic structural view of the piston and the connecting rod.

In the figure: 1. a housing; 2. a motor; 3. a connecting rod; 4. a piston; 5. a valve plate; 6. an air inlet valve plate; 7. a limiting bump; 8. an air inlet; 9. a cam; 10. an exhaust valve plate; 11. an exhaust port; 12. a groove; 13. connecting grooves; 14. a protrusion; 15. a fixing member; 16. a gas storage tank; 17. and (4) exhausting the gas.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1-4, to achieve the above objects, the present invention provides an air compressor, comprising: the valve comprises a shell 1, a motor 2, a connecting rod 3, a piston 4, a valve plate 5, an air inlet valve plate 6, an air outlet valve plate 10 and a limiting bump 7; the both sides of 1 bottom plate of casing are equipped with air inlet 8, middle part in the casing 1 is equipped with motor 2, motor 2's both sides all are connected with the one end of connecting rod 3 through cam 9, motor 2 rotates and to drive connecting rod 3 through cam 9 and reciprocate, piston 4 sets up in the other end of connecting rod 3, valve plate 5 is located the top of piston 4, the bottom of valve plate 5 is located to discharge valve piece 10, the top of valve plate 5 is located to the valve piece 6 that admits air, spacing lug 7 is located the top of discharge valve piece 10, the top of casing 1 is equipped with gas vent 11, the top of valve plate 5 is passed through blast pipe 17 and is connected with gas vent 11.

When the air compressor works, the motor 2 rotates to drive the cam 9 to rotate, the cam 9 is connected with the connecting rod 3, the piston 4 is arranged at the other end of the connecting rod 3 and finally drives the piston 4 to reciprocate up and down in a gap between the piston 4 and the valve plate 5, air enters the connecting rod 3 and the piston 4 from the air inlet 8 and enters the gap between the piston 4 and the valve plate 5 and is compressed by the reciprocating up and down of the piston 4, the compressed air is finally conveyed to the exhaust pipe 17 by the valve plate 5 in a one-way mode, and compressed air is finally output from the exhaust port 11, so that the purpose of compressing the air is achieved.

The limit bump 7 above the exhaust valve plate 10 is used for limiting the lift height of the exhaust valve plate 10, so that the service life of the exhaust valve plate 10 is prolonged under the condition that normal air intake and exhaust of the compressor are not influenced, and noise generated when compressed air passes through the exhaust valve plate 10 is reduced; and the motor 2 is utilized to simultaneously rotate the cams 9 at two sides in the shell 1, so that the pistons 4 at two sides of the shell 1 simultaneously compress air, and the compression efficiency is improved.

As shown in fig. 1 and 2, in some embodiments, one end of the limiting protrusion 7 close to the air release flap 10 is an inclined surface, and when the air release flap 10 is opened, the air release flap 10 fits the inclined surface of the limiting protrusion 7. The contact area of the exhaust valve plate 10 and the limiting bump 7 can be increased by the inclined surface of the limiting bump 7, so that the limiting bump 7 can uniformly apply force to the exhaust valve plate 10, when the exhaust valve plate 10 is opened, the exhaust valve plate 10 can be completely attached to the inclined surface of the limiting bump 7, and deformation or breakage of the exhaust valve plate 10 is further avoided.

In some embodiments, as shown in fig. 2, the bottom of the valve plate 5 is provided with a groove 12, and the groove 12 is used for limiting the lift height of the intake valve plate 6. When the air inlet valve plate 6 is opened, the air inlet valve plate 6 is in contact with the groove 12, and deformation or fracture caused by excessive opening of the air inlet valve plate 6 is avoided.

In some embodiments, the bottom surface of the groove 12 is an inclined surface, when the intake valve sheet 6 is opened, the intake valve sheet 6 is attached to the inclined surface of the groove 12, and the inclined surface of the groove 12 can increase the contact area between the intake valve sheet 6 and the groove 12, in other words, the inclined surface of the groove 12 can gently limit the lift height of the intake valve sheet 6, thereby prolonging the service life of the intake valve sheet 6.

As shown in fig. 1 and 3, in some embodiments, a connecting groove 13 is provided on a side of the cam 9 close to the motor 2, the motor 2 can extend into the connecting groove 13 and drive the cam 9 to rotate, and a protrusion 14 is provided on a side of the cam 9 close to the connecting rod 3, and the protrusion 14 is used for driving the connecting rod 3 to move up and down. The connecting groove 13 can be located above one side of the cam 9, the protrusion 14 is located below the other side of the cam 9, a height difference is formed between the protrusion 14 and the connecting groove 13, the motor 2 extends into the connecting groove 13 to drive the cam 9 to rotate, and the protrusion 14 and the connecting groove 13 have a height difference, so that the cam 9 can move up and down in the rotating process, and the connecting rod 3 drives the piston 4 to move up and down in a reciprocating mode.

As shown in fig. 1, in some embodiments, the piston 4 on one side of the housing 1 moves in the opposite direction to the piston 4 on the other side of the housing 1. When the cam 9 on one side in the housing 1 has the connecting groove 13 located above one side of the cam 9 and the protrusion 14 located below the other side of the cam 9, the cam 9 on the other side in the housing 1 has the connecting groove 13 located below one side of the cam 9 and the protrusion 14 located above the other side of the cam 9, the reverse movement of the piston 4 on one side in the housing 1 and the piston 4 on the other side in the housing 1 can be realized, in other words, when the piston 4 on one side in the housing 1 moves upwards to compress air, the piston 4 on the other side in the housing 1 moves downwards to suck air, and vice versa. The piston 4 on one side in the shell 1 and the piston 4 on the other side in the shell 1 move in opposite directions, so that the piston 4 can be prevented from compressing gas at the same time, and dangerous conditions caused by overlarge air pressure in the exhaust pipe 17 can be avoided.

As shown in fig. 2, in some embodiments, the discharge valve plate 10 is fixed on the top of the valve plate 5 by a fixing member 15, and the fixing member 15 may be a plate screw or the like, and the fixing member 15 is used to improve the firmness of the discharge valve plate 10.

As shown in fig. 4, in some embodiments, an air storage tank 16 is connected to the bottom of the piston 4, so that the pressure applied to the piston 4 during the reciprocating motion is reduced, and thus the pushing speed can be increased, thereby greatly increasing the efficiency of air compression.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An air compressor, comprising: the valve comprises a shell, a motor, a connecting rod, a piston, a valve plate, an air inlet valve plate, an air outlet valve plate and a limiting bump;

the improved air exhaust valve comprises a shell bottom plate, and is characterized in that air inlets are formed in two sides of the shell bottom plate, a motor is arranged in the middle of the shell, two sides of the motor are connected with one end of a connecting rod through a cam, the motor rotates to drive the connecting rod to move up and down through the cam, a piston is arranged at the other end of the connecting rod, a valve plate is arranged above the piston, an air exhaust valve block is arranged at the bottom of the valve plate, the air intake valve block is arranged at the top of the valve plate, a limiting lug is arranged above the air exhaust valve block, an air exhaust port is formed in the top of the shell, and the air exhaust pipe is connected with the air exhaust port above the valve plate.

2. The air compressor of claim 1, wherein an end of the limiting protrusion near the discharge valve plate is an inclined surface, and when the discharge valve plate is opened, the discharge valve plate is attached to the inclined surface of the limiting protrusion.

3. The air compressor of claim 2, wherein the bottom of the valve plate is provided with a groove, and the groove is used for limiting the lift height of the intake valve plate.

4. The air compressor as claimed in claim 3, wherein the bottom surface of the groove is an inclined surface, and when the intake valve sheet is opened, the intake valve sheet is attached to the inclined surface of the groove.

5. The air compressor as claimed in claim 1, wherein a side of the cam adjacent to the motor is provided with a connecting slot, the motor can extend into the connecting slot and drive the cam to rotate, and a side of the cam adjacent to the connecting rod is provided with a protrusion for driving the connecting rod to move up and down.

6. The air compressor as claimed in claim 5, wherein the piston on one side of the housing moves in an opposite direction to the piston on the other side of the housing.

7. The air compressor according to any one of claims 1 to 6, wherein the discharge valve sheet is fixed to the top of the valve plate by a fixing member.

8. The air compressor according to any one of claims 1 to 6, wherein an air tank is connected to the bottom of the piston.