CN113123941A

CN113123941A - Air compressor with noise reduction function

Info

Publication number: CN113123941A
Application number: CN202110613960.5A
Authority: CN
Inventors: 肖长江; 张红霞; 肖一然
Original assignee: Xiangyang Fudeyuan Electromechanical Co ltd
Current assignee: Xiangyang Fudeyuan Electromechanical Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-07-16

Abstract

The invention discloses an air compressor with a noise reduction function, which belongs to the technical field of air compressors and comprises a shell, wherein the lower surface of the shell is fixedly connected with the upper surface of a tank body, the right side surface of the shell is fixedly connected with the left side surface of an airtight box, and the upper surface of the inner wall of the shell is fixedly connected with the upper surface of an upper support plate. This air compressor with function of making an uproar falls, through setting up the casing, a jar body, first piston and pipe, and through the effect of check valve down with the gaseous suction of amortization admission section of thick bamboo external world through the hose, simultaneously with gaseous leading-in through positive check valve and pipe, the gaseous structure of impressing of this kind of three compression stroke, make its in-process that uses compare in its efficiency of the mode of traditional single stroke and obtain further improvement, can be in the equal reduction that work efficiency can be showing under keeping of admitting air, make its greatly reduced the production of noise, play the effect of making an uproar from the root cause.

Description

Air compressor with noise reduction function

Technical Field

The invention belongs to the technical field of air compressors, and particularly relates to an air compressor with a noise reduction function.

Background

An air compressor is a device for compressing gas, and is constructed similarly to a water pump. Most air compressors are of the reciprocating piston type, with rotating vanes or rotating screws, which can be divided into several categories according to the working principle, lubrication mode, performance, etc. The control of air compressor machine noise mainly adopts three aspects of silencer, noise elimination gallery and sound insulation technique, can divide into three main categories according to the theory of operation: the volume type, power type (speed type or turbine type), thermal type compressor can be divided into oil-free air compressor and machine oil lubrication air compressor according to the lubricated mode, can divide into according to the performance: air compressors with low noise, variable frequency, explosion prevention and the like can be divided into the following parts according to the purposes: the compressor is directly driven by a motor to rotate a crankshaft, so that a connecting rod is driven to drive a piston to reciprocate, and the volume of a cylinder is changed. Because of the change of the pressure in the cylinder, the air enters the cylinder through the air filter by the air inlet valve, in the compression stroke, the compressed air enters the air storage tank through the exhaust pipe and the check valve under the action of the exhaust valve due to the reduction of the volume of the cylinder, and the automatic stop is realized by the control of the pressure switch when the exhaust pressure reaches the rated pressure of 0.7 MPa. When the pressure of the air storage tank is reduced to 0.5-0.6 MPa, the pressure switch is automatically connected and started, when the existing piston type air compressor is used, the high-frequency reciprocating motion of a single piston is adopted, so that the piston compresses air and stores the compressed air into the air storage tank, however, the high-frequency operation of the single piston is required to be kept when sufficient air is injected, and the noise decibel is in a higher level, so that the working environment is greatly influenced.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the invention provides an air compressor with a noise reduction function, which solves the problems that when the existing piston type air compressor is used, the piston of the existing piston type air compressor adopts high-frequency reciprocating motion of the single piston to compress air and store the compressed air into an air cylinder, and the high-frequency operation of the existing piston type air compressor needs to be maintained when sufficient gas is injected, so that the noise decibel is at a higher level, and the noise decibel has great influence on the working environment.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an air compressor with a noise reduction function comprises a shell, wherein the lower surface of the shell is fixedly connected with the upper surface of a tank body, the right side surface of the shell is fixedly connected with the left side surface of an airtight box, the upper surface of the inner wall of the shell is fixedly connected with the upper surface of an upper support plate, the lower surface of the inner wall of the shell is fixedly connected with the lower surface of a lower support plate, two crankshaft structures are clamped on the opposite surfaces of the upper support plate and the lower support plate through bearings, first linkage rods are sleeved on the surfaces of the two crankshaft structures, the left ends of the two first linkage rods are movably connected with the front end and the rear end of the same first connecting plate through connecting pieces, two second linkage rods are sleeved on the surface of the crankshaft structures, the right ends of the two second linkage rods are movably connected with the front end and the rear end of the same second connecting plate through connecting pieces, and the right side surface of the, the right side face of the first connecting plate is fixedly connected with the left end of the sliding rod, the surface of the sliding rod slides on the inner wall of the sliding barrel, a rectangular hole is formed in the upper surface of the rear crankshaft structure, and a rectangular shaft is clamped on the inner wall of the rectangular hole.

The top end of the rectangular shaft is fixedly connected with an output shaft of a motor, the output shaft of the motor is clamped on the upper surface of the inner wall of the shell through a bearing, the lower surface of the motor is fixedly connected with the upper surface of the shell, the right end of the slide bar is fixedly connected with the left side surface of the first piston, the right end of the slide cylinder is fixedly connected with the right side surface of the second piston, the surfaces of the first piston and the second piston are lapped with the inner wall of the same airtight box, the upper surface of the shell is fixedly connected with the lower surface of the silencing air inlet cylinder, the upper surface of the silencing air inlet cylinder is fixedly connected with the lower surface of the hard filter screen, the upper surface of the hard filter screen is fixedly connected with the lower surface of the steel wire mesh, the inner wall of the silencing air inlet cylinder is communicated with one ends of a plurality of hoses, the other ends of the plurality of hoses are communicated with the upper surface of the inner wall of the airtight box through check valves, the bottom of pipe is linked together with the upper surface of the jar body, the front of casing and control panel's back fixed connection.

As a further scheme of the invention: the bent axle structure includes three connection axis body, corresponds two equal fixedly connected with of one end that the connection axis body is relative and has concentric cardboard, corresponds the opposite face of two concentric cardboards and the both ends fixed connection of same external member, the upper surface at being located the top connection axis body is seted up in the rectangular hole.

As a further scheme of the invention: the bottom of bent axle structure and the inner wall fixed connection of gear, intermeshing between two gears, the one end of gear lower surface passes through the bearing joint at the lower surface of shells inner wall.

As a further scheme of the invention: the hard filter screen is in a conical barrel shape, and the surface of the steel wire mesh is fixedly connected with the inner wall of the dust cover.

As a further scheme of the invention: the inner wall of the silencing air inlet cylinder is fixedly connected with the surface of the arc-shaped part, and a plurality of through holes are formed in the surface of the arc-shaped part.

As a further scheme of the invention: the right flank of the jar body communicates with the left end that connects, the lower fixed surface of the jar body is connected with a plurality of gyro wheel, control panel's output is connected with the input electricity of motor.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the air compressor with the noise reduction function comprises a shell, a tank body, an airtight box, an upper support plate, a lower support plate, a crankshaft structure, a connecting shaft body, a concentric clamping plate, a kit, a first linkage rod, a second linkage rod, a first connecting plate, a slide rod, a slide cylinder, a first piston and a conduit, wherein when the air compressor is used, a motor drives a rectangular shaft to start rotating, then the rectangular shaft drives a crankshaft structure positioned behind to start rotating under the cooperation of a rectangular hole, meanwhile, the crankshaft structure positioned behind drives the crankshaft structure positioned in front to synchronously rotate under the meshing action of two gears, then the two crankshaft structures synchronously drive one ends of the two first linkage rods and one end of the two second linkage rods to start rotating around the connecting shaft body, so that the first linkage rod and the second linkage rod respectively drive the first connecting plate and the second connecting plate to start reciprocating movement which are far away from each other and approach each other, the first connecting plate drives the sliding rod to slide on the inner wall of the sliding cylinder, the sliding cylinder synchronously slides on the left side surface of the inner wall of the airtight box under the action of the second connecting plate, the sliding cylinder, the first piston and the second piston at the right end of the sliding rod synchronously start to reciprocate close to and away from each other in the airtight box, the right side surface of the first piston, the left side surface of the second piston and the opposite surfaces of the first piston and the second piston independently form an independent space, outside gas is pumped in through the hose and the silencing air inlet cylinder under the action of the check valve, and the gas is introduced through the check valve and the guide pipe on the front side, so that the efficiency of the gas pressing structure with three compression strokes is further improved compared with that of a traditional single stroke mode in the using process, and the working efficiency can be remarkably reduced under the condition of keeping the same air inlet, the noise is greatly reduced, and the effect of reducing noise is achieved fundamentally.

2. This air compressor with function of making an uproar falls, through setting up the amortization air inlet cylinder, the stereoplasm filter screen, the wire net, filter pulp, arc piece and through-hole, when using, along with gaseous through the hose gold get into in the airtight box, make its amortization air inlet cylinder inside be the negative pressure, external gas gets into through stereoplasm filter screen and wire net immediately, dust in the air is filtered under filter pulp's effect when gaseous gets into, gaseous passing the arc piece through the through-hole immediately and getting into the amortization air inlet cylinder in, gaseous under the cooperation of stereoplasm filter screen, wire net and filter pulp, the air current can not produce great sound when keeping filterable when getting into, make its gas flow noise obtain very big suppression.

3. This air compressor with function of making an uproar falls, connect through the setting, dust cover and rectangular axle, connect when using and can conveniently derive the high atmospheric pressure of jar internal portion, the dust cover can keep the good safeguard effect to the wire net when using simultaneously, prevent that the dust from falling in the wire net when placing, and the stereoplasm filter screen adopts the reduction surface that the toper can be very big to save the dust, through setting up rectangular axle, rectangular axle makes it can keep good transmission effect with the rectangular hole cooperation, and can conveniently dismantle it when motor failure and maintain.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic three-dimensional structure of an upper support plate according to the present invention;

FIG. 3 is a schematic diagram of the explosive structure of the present invention;

FIG. 4 is a perspective structural view of a crankshaft of the present invention;

figure 5 is a schematic cross-sectional view of the airtight box of the present invention viewed from the rear;

FIG. 6 is a schematic cross-sectional view of a front view of a muffling air intake barrel according to the present invention;

in the figure: the device comprises a shell 1, a tank body 2, an airtight box 3, an upper support plate 4, a lower support plate 5, a crankshaft structure 6, a connecting shaft body 61, a concentric clamping plate 62, a set 63, a first linkage rod 7, a second linkage rod 8, a first connection plate 9, a second connection plate 10, a sliding rod 11, a sliding cylinder 12, a first piston 13, a second piston 14, a gear 15, a rectangular shaft 16, a motor 17, a rectangular hole 18, a connector 19, a one-way valve 20, a hose 21, a silencing air inlet cylinder 22, a hard filter screen 23, a steel wire mesh 24, a dust cover 25, filter cotton 26, an arc-shaped part 27, a through hole 28, a conduit 29, a control panel 30 and a roller 31.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the present invention provides a technical solution: an air compressor with a noise reduction function comprises a shell 1, wherein the lower surface of the shell 1 is fixedly connected with the upper surface of a tank body 2, the right side surface of the shell 1 is fixedly connected with the left side surface of an airtight box 3, the upper surface of the inner wall of the shell 1 is fixedly connected with the upper surface of an upper supporting plate 4, the lower surface of the inner wall of the shell 1 is fixedly connected with the lower surface of a lower supporting plate 5, two crankshaft structures 6 are clamped on the opposite surfaces of the upper supporting plate 4 and the lower supporting plate 5 through bearings, first linkage rods 7 are sleeved on the surfaces of the two crankshaft structures 6, the left ends of the two first linkage rods 7 are movably connected with the front end and the rear end of the same first connecting plate 9 through connecting pieces, two second linkage rods 8 are sleeved on the surface of the crankshaft structures 6, the right ends of the two second linkage rods 8 are movably connected with the front end and the rear end of the same second connecting plate 10 through connecting pieces, the right side, the right side surface of the first connecting plate 9 is fixedly connected with the left end of the sliding rod 11, the surface of the sliding rod 11 slides on the inner wall of the sliding barrel 12, a rectangular hole 18 is formed in the upper surface of the rear crankshaft structure 6, and a rectangular shaft 16 is clamped on the inner wall of the rectangular hole 18.

The top end of a rectangular shaft 16 is fixedly connected with an output shaft of a motor 17, the output shaft of the motor 17 is clamped on the upper surface of the inner wall of a shell 1 through a bearing, the lower surface of the motor 17 is fixedly connected with the upper surface of the shell 1, the right end of a slide rod 11 is fixedly connected with the left side surface of a first piston 13, the right end of a slide cylinder 12 is fixedly connected with the right side surface of a second piston 14, the surfaces of the first piston 13 and the second piston 14 are lapped with the inner wall of the same airtight box 3, the upper surface of the shell 1 is fixedly connected with the lower surface of a silencing air inlet cylinder 22, the upper surface of the silencing air inlet cylinder 22 is fixedly connected with the lower surface of a hard filter screen 23, the upper surface of the hard filter screen 23 is fixedly connected with the lower surface of a steel wire mesh 24, the inner wall of the silencing air inlet cylinder 22 is communicated with one end of a plurality of hoses 21, the back of the inner wall of the airtight box 3 is communicated with the top ends of a plurality of guide pipes 29 through check valves, the bottom ends of the guide pipes 29 are communicated with the upper surface of the tank body 2, and the front of the shell 1 is fixedly connected with the back of the control panel 30.

Specifically, as shown in fig. 1, 2 and 3, the bottom end of the crankshaft structure 6 is fixedly connected with the inner wall of the gear 15, the two gears 15 are engaged with each other, one end of the lower surface of the gear 15 is clamped on the lower surface of the inner wall of the housing 1 through a bearing, the right side surface of the tank body 2 is communicated with the left end of the joint 19, the lower surface of the tank body 2 is fixedly connected with a plurality of rollers 31, the output end of the control panel 30 is electrically connected with the input end of the motor 17, by arranging the gear 15, the gear 15 can keep good transmission effect of the two crankshaft structures 6, so that the synchronous driving of a single motor 17 can be completed, by arranging the joint 19, the joint 19 can conveniently discharge high-pressure air inside the tank body 2 in the using process, by arranging the rollers 31, the rollers 31 can conveniently move the device when in use, by arranging the control panel 30, the control panel 30 can operate the, and the adjustment and the setting of the device are convenient for personnel to adjust.

Specifically, as shown in fig. 4, 5 and 6, the crankshaft structure 6 includes three connecting shaft bodies 61, one end corresponding to two opposite connecting shaft bodies 61 is fixedly connected with a concentric clamping plate 62, the opposite surfaces corresponding to the two concentric clamping plates 62 are fixedly connected with two ends of a same sleeve 63, a rectangular hole 18 is formed in the upper surface of the upper connecting shaft body 61, the hard filter screen 23 is specifically in a cone shape, the surface of the steel wire mesh 24 is fixedly connected with the inner wall of the dust cover 25, the inner wall of the silencing air inlet cylinder 22 is fixedly connected with the surface of the arc-shaped member 27, the surface of the arc-shaped member 27 is provided with a plurality of through holes 28, by arranging the sleeve 63, the sleeve 63 can keep stable sleeve joint with the first linkage rod 7, so that the sleeve can keep good transmission effect, by arranging the dust cover 25, the dust cover 25 can keep good protection effect on the steel wire mesh 24 when in use, and prevent dust from falling into, and the hard filter screen 23 adopts the toper can be very big reduction surface area collect up the dust, through setting up rectangular shaft 16, rectangular shaft 16 and rectangular hole 18 cooperation make it can keep good transmission effect, and can conveniently dismantle it when motor 17 trouble and maintain it, through setting up arc 27, can keep spacing good to filter pulp 26 each other, and the through-hole 28 of cooperation surface can keep its air flow in-process more even simultaneously.

The working principle of the invention is as follows:

s1, when the device is used, the motor 17 drives the rectangular shaft 16 to rotate, then the rectangular shaft 16 drives the crankshaft structure 6 located behind to rotate under the matching of the rectangular hole 18, meanwhile, the crankshaft structure 6 located behind drives the crankshaft structure 6 located in front to synchronously rotate under the meshing action of the two gears 15, then the two crankshaft structures 6 synchronously drive one ends of the two first linkage rods 7 and the two second linkage rods 8 to rotate around the connecting shaft body 61, and the first linkage rods 7 and the second linkage rods 8 respectively drive the first connecting plates 9 and the second connecting plates 10 to reciprocate away from and close to each other;

s2, the first connecting plate 9 drives the sliding rod 11 to slide on the inner wall of the sliding cylinder 12, and simultaneously the sliding cylinder 12 slides on the left side surface of the inner wall of the airtight box 3 under the action of the second connecting plate 10, so that the sliding cylinder 12 and the first piston 13 and the second piston 14 at the right end of the sliding rod 11 synchronously start to reciprocate close to and away from each other in the airtight box 3, the right side surface of the first piston 13, the left side surface of the second piston 14 and the opposite surfaces of the first piston 13 and the second piston 14 form an independent space independently, and outside air is pumped in through the hose 21 and the silencing air inlet cylinder 22 under the action of the check valve;

s3, introducing the gas through the check valve and the guide pipe 29 on the front side, making the gas enter the airtight box 3 through the hose 21 to form negative pressure inside the noise reduction air inlet cylinder 22, allowing the external gas to enter through the hard filter screen 23 and the steel wire mesh 24, filtering the dust in the air under the action of the filter cotton 26 when the gas enters, and allowing the gas to pass through the arc-shaped member 27 through the through hole 28 and enter the noise reduction air inlet cylinder 22.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An air compressor with noise reduction function, including casing (1), its characterized in that: the lower surface of the shell (1) is fixedly connected with the upper surface of the tank body (2), the right side surface of the shell (1) is fixedly connected with the left side surface of the airtight box (3), the upper surface of the inner wall of the shell (1) is fixedly connected with the upper surface of the upper support plate (4), the lower surface of the inner wall of the shell (1) is fixedly connected with the lower surface of the lower support plate (5), two crankshaft structures (6) are clamped on the opposite surfaces of the upper support plate (4) and the lower support plate (5) through bearings, first linkage rods (7) are sleeved on the surfaces of the two crankshaft structures (6), the left ends of the two first linkage rods (7) are movably connected with the front end and the rear end of the same first connecting plate (9) through connecting pieces, two second linkage rods (8) are sleeved on the surfaces of the crankshaft structures (6), the right ends of the two second linkage rods (8) are movably connected with the front end and the rear end of the same second connecting plate (10), the right side surface of the second connecting plate (10) is fixedly connected with the surface of the sliding barrel (12), the right side surface of the first connecting plate (9) is fixedly connected with the left end of the sliding rod (11), the surface of the sliding rod (11) slides on the inner wall of the sliding barrel (12), a rectangular hole (18) is formed in the upper surface of the rear crankshaft structure (6), and a rectangular shaft (16) is clamped on the inner wall of the rectangular hole (18);

the top of rectangle axle (16) and the output shaft fixed connection of motor (17), the output shaft of motor (17) passes through the bearing joint at the upper surface of casing (1) inner wall, the lower surface of motor (17) and the upper surface fixed connection of casing (1), the right-hand member of slide bar (11) and the left surface fixed connection of first piston (13), the right-hand member of slide cartridge (12) and the right flank fixed connection of second piston (14), the surface of first piston (13) and second piston (14) and the inner wall overlap joint of same airtight box (3), the upper surface of casing (1) and the lower fixed connection of amortization air inlet cylinder (22), the upper surface of amortization air inlet cylinder (22) and the lower fixed connection of stereoplasm filter screen (23), the upper surface of stereoplasm filter screen (23) and the lower fixed connection of wire net (24), the inner wall of the silencing air inlet cylinder (22) is communicated with one ends of the hoses (21), the other ends of the hoses (21) are communicated with the upper surface of the inner wall of the airtight box (3) through check valves, the back surface of the inner wall of the airtight box (3) is communicated with the top ends of the ducts (29) through check valves, the bottom ends of the ducts (29) are communicated with the upper surface of the tank body (2), and the front surface of the shell (1) is fixedly connected with the back surface of the control panel (30).

2. An air compressor having a noise reduction function according to claim 1, wherein: bent axle structure (6) include three connection axis body (61), correspond two equal fixedly connected with concentric cardboard (62) of one end that connection axis body (61) is relative, correspond the opposite face of two concentric cardboard (62) and the both ends fixed connection of same external member (63), rectangular hole (18) are seted up and are located the upper surface of top connection axis body (61).

3. An air compressor having a noise reduction function according to claim 1, wherein: the bottom of bent axle structure (6) and the inner wall fixed connection of gear (15), intermeshing between two gear (15), the lower surface of bearing joint at casing (1) inner wall is passed through to the one end of gear (15) lower surface.

4. An air compressor having a noise reduction function according to claim 1, wherein: the hard filter screen (23) is in a conical cylinder shape, and the surface of the steel wire mesh (24) is fixedly connected with the inner wall of the dust cover (25).

5. An air compressor having a noise reduction function according to claim 1, wherein: the inner wall of amortization admission section of thick bamboo (22) and the fixed surface connection of arc (27), a plurality of through-hole (28) have been seted up on the surface of arc (27).

6. An air compressor having a noise reduction function according to claim 1, wherein: the right flank of the jar body (2) communicates with the left end that connects (19), the lower fixed surface of the jar body (2) is connected with a plurality of gyro wheel (31), the output of control panel (30) is connected with the input electricity of motor (17).