阅读说明：本技术 一种空压机内壁间隙的智能凸轮节流调节机构 (Intelligent cam throttling adjusting mechanism for inner wall clearance of air compressor ) 是由 吴全 高志成 于 2020-04-16 设计创作，主要内容包括：本发明公开了一种空压机内壁间隙的智能凸轮节流调节机构,属于空压机技术领域,包括智能节流阀、节流壳体和增速装置,智能节流阀设在节流壳体的上方并与进气口相连通；节流壳体的内腔还设有浮动块和涡轮扇,增速装置设在节流壳体的底部,涡轮扇与增速装置的输出轴传动配合；浮动块设在涡轮扇的上方；当气压增大时,驱动电机转动凸轮,使凸轮上半径较小的点与浮动块的表面相抵,从而使浮动块向上移动,增大了节流壳体内腔气体可通过的体积,当进气的气压减小时,通过驱动电机转动凸轮,是凸轮半径较大的点与浮动块的表面相抵,从而压下浮动块,使浮动块向下移动,从而使浮动块回到初始位置,减小节流壳体内的气体可通过的体积。(The invention discloses an intelligent cam throttling regulation mechanism for an inner wall gap of an air compressor, belonging to the technical field of air compressors and comprising an intelligent throttling valve, a throttling shell and a speed increasing device, wherein the intelligent throttling valve is arranged above the throttling shell and is communicated with an air inlet; the inner cavity of the throttling shell is also provided with a floating block and a turbine fan, the speed increasing device is arranged at the bottom of the throttling shell, and the turbine fan is in transmission fit with an output shaft of the speed increasing device; the floating block is arranged above the turbine fan; when the air pressure of the air inlet is reduced, the cam is rotated by the driving motor, the point with the larger radius of the cam is abutted to the surface of the floating block, so that the floating block is pressed down to move downwards, the floating block is returned to the initial position, and the volume which can be penetrated by the air in the throttling shell is reduced.)

1. An intelligent cam throttling regulation mechanism for an inner wall gap of an air compressor is characterized by comprising an intelligent throttling valve, a throttling shell and a speed increasing device, wherein an air inlet is formed above the throttling shell, an air outlet is formed in one side of the throttling shell, and the intelligent throttling valve is arranged above the throttling shell and communicated with the air inlet;

the inner cavity of the throttling shell is also provided with a floating block and a turbine fan, the speed increasing device is arranged at the bottom of the throttling shell, and the turbine fan is in transmission fit with an output shaft of the speed increasing device; the floating block is arranged above the turbine fan;

a driving motor is arranged on the throttling shell, a cam is arranged on a rotating shaft of the driving motor, and the edge of the cam is attached to the surface of the floating block;

the intelligent throttle valve is used for adjusting the air inflow entering the inner cavity of the throttle shell after sensing the air inflow.

2. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, further comprising a fixing plate, wherein the fixing plate is arranged at the air inlet, and the floating block is arranged below the fixing plate.

3. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, further comprising a return spring, wherein two ends of the return spring respectively abut against the floating block and the throttling housing.

4. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 2, wherein a circular ring extension portion is arranged at the bottom of the fixed plate, a circular ring groove is arranged on the floating block, and the circular ring extension portion corresponds to the circular ring groove.

5. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 4, wherein a limiting protrusion is arranged on the inner side of the annular extension part, a limiting groove is formed on the annular groove, and the limiting protrusion corresponds to the limiting groove.

6. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 2, wherein the inner side of the air inlet is further provided with a limiting strip, and the vertical distance between the limiting strip and the fixed plate is 1 mm.

7. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, wherein the intelligent throttle valve comprises a valve body, an air inlet inner cavity with an upper opening is formed in the valve body, a sensing device, a push plate motor, a first driving disc, a first movable push plate, a second movable push plate and a second driving disc are sequentially arranged in the air inlet inner cavity from top to bottom, and the push plate motor is in transmission connection with the first driving disc and the second driving disc respectively; the first driving disc and the second driving disc are respectively matched with the first movable push plate and the second movable push plate, and an air outlet gap is formed between the first movable push plate and the inner wall of the air inlet inner cavity and between the second movable push plate and the inner wall of the air inlet inner cavity; the bottom of the valve body is provided with a valve port; the induction device comprises an induction motor and induction fan blades, the induction fan blades are in transmission connection with the induction motor, and the induction fan blades are arranged close to the opening of the air inlet inner cavity.

8. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 7, wherein a first threaded surface is arranged on the lower surface of the first drive disk, a plurality of first salient points are linearly arranged on the upper surface of the first movable push plate, and the plurality of first salient points are all meshed with the first threaded surface; the upper surface of the second transmission disc is provided with a second threaded surface, the lower surface of the second movable push plate is provided with a plurality of second salient points which are linearly arranged, and the plurality of second salient points are all meshed with the second threaded surface.

9. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor according to claim 8, characterized by further comprising two fixed baffles, wherein the two fixed baffles are respectively arranged at two sides of the first movable push plate and the second movable push plate, the two fixed baffles are connected with the inner wall of the valve body, the first movable push plate and the second movable push plate are in sliding fit with the fixed baffles, and the first movable push plate, the two fixed baffles, the inner wall of the air inlet inner cavity and the second movable push plate, the two fixed baffles and the inner wall of the air inlet inner cavity are all formed with the air outlet gap.

10. The intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 9, wherein the inner sides of the two fixed baffles are respectively provided with a first chute and a second chute, the first chute and the second chute are vertically arranged, two sides of the first movable push plate are respectively in sliding fit with the first chute, and two sides of the second movable push plate are respectively in sliding fit with the second chute.

Technical Field

The invention relates to the technical field of air compressors, in particular to an intelligent cam throttling adjusting mechanism for an inner wall gap of an air compressor.

Background

The surge phenomenon is vibration of the air compressor under an abnormal working condition when the flow of the air compressor is reduced to a certain degree, and the surge of the air compressor can destroy the flowing regularity of media inside the machine, generate mechanical noise, cause strong vibration of working parts and accelerate the damage of a bearing and a seal. Once surge causes the pipe, machine and its foundation to resonate, it can also have serious consequences.

Disclosure of Invention

The invention aims to provide an intelligent cam throttling adjusting mechanism for an inner wall gap of an air compressor.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent cam throttling regulation mechanism for an inner wall gap of an air compressor comprises an intelligent throttling valve, a throttling shell and a speed increasing device, wherein an air inlet is formed above the throttling shell, an air outlet is formed in one side of the throttling shell, and the intelligent throttling valve is arranged above the throttling shell and communicated with the air inlet;

the inner cavity of the throttling shell is also provided with a floating block and a turbine fan, the speed increasing device is arranged at the bottom of the throttling shell, and the turbine fan is in transmission fit with an output shaft of the speed increasing device; the floating block is arranged above the turbine fan;

a driving motor is arranged on the throttling shell, a cam is arranged on a rotating shaft of the driving motor, and the edge of the cam is attached to the surface of the floating block;

the intelligent throttle valve is used for adjusting the air inflow entering the inner cavity of the throttle shell after sensing the air inflow.

When the air pressure of the air inlet is reduced, the cam is rotated by driving the motor, the point with the larger radius of the cam is abutted to the surface of the floating block, so that the floating block is pressed down and moved downwards, the floating block is returned to the initial position, and the volume which can be passed by the gas in the throttling shell is reduced; the intelligent throttle valve is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle shell, so that the intelligent throttle valve is used for overall adjustment of the air inflow, the floating block is used for fine adjustment, and the intelligent throttle valve and the floating block adjust the air flow mutually to achieve the best air flow control effect.

Preferably, the air conditioner further comprises a fixing plate, the fixing plate is arranged at the air inlet, and the floating block is arranged below the fixing plate.

The fixing plate is used for fixing the floating block, and has a limiting effect on the upward movement of the floating block, so that the normal movement of the floating block is ensured.

Preferably, the throttle valve further comprises a return spring, and two ends of the return spring are respectively abutted against the floating block and the throttle housing.

The reset spring plays a role in buffering and resetting the floating block and provides supporting force for the movement of the floating block.

Preferably, the bottom of the fixed plate is provided with a circular ring extension part, the floating block is provided with a circular ring groove, and the circular ring extension part corresponds to the circular ring groove.

Through set up the ring groove on the slider, make the ring groove correspond with the ring extension of fixed plate, be convenient for install the fixed plate, and play limiting displacement to the lift removal of slider.

Preferably, the inner side of the ring extension part is provided with a limiting protrusion, the ring groove is provided with a limiting groove, and the limiting protrusion corresponds to the limiting groove.

The limiting protrusions are arranged to correspond to the limiting grooves, so that the circumferential movement of the floating block is limited, and the floating block is prevented from rotating.

Preferably, the inner side of the air inlet is further provided with a limiting strip, and the vertical distance between the limiting strip and the fixing plate is 1 mm.

And a limit strip is arranged for limiting the floating block, so that the up-and-down movement of the floating block is between 0.3mm and 1 mm.

Preferably, the intelligent throttle valve comprises a valve body, an air inlet inner cavity with an upper opening is formed in the valve body, an induction device, a push plate motor, a first drive disc, a first movable push plate, a second movable push plate and a second drive disc are sequentially arranged in the air inlet inner cavity from top to bottom, and the push plate motor is in transmission connection with the first drive disc and the second drive disc respectively; the first driving disc and the second driving disc are respectively matched with the first movable push plate and the second movable push plate, and an air outlet gap is formed between the first movable push plate and the inner wall of the air inlet inner cavity and between the second movable push plate and the inner wall of the air inlet inner cavity; the bottom of the valve body is provided with a valve port; the induction device comprises an induction motor and induction fan blades, the induction fan blades are in transmission connection with the induction motor, and the induction fan blades are arranged close to the opening of the air inlet inner cavity.

Set up induction system at the inner chamber of admitting air, a pressure of admitting air for detecting the inner chamber of admitting air, wherein the response flabellum is established at the opening part that is close to the inner chamber of admitting air, be convenient for accurately detect out the initial air input of choke valve, in operation, the air current gets into the back from the inner chamber upper shed that admits air, promote the rotation of response flabellum, induction machine converts corresponding electric current into according to the rotational speed of response flabellum, thereby drive push pedal motor, make push pedal motor with the activity about first activity push pedal and the second activity push pedal, thereby the size of the gap of giving vent to anger realizes the choke valve and passes through the size of tolerance, the intelligent control to the choke valve has been realized, need not artificial control, through the cooperation of first driving plate and second driving plate respectively with first activity push pedal and second activity push pedal control the tolerance that passes through.

Preferably, the lower surface of the first drive disc is provided with a first threaded surface, the upper surface of the first movable push plate is provided with a plurality of first salient points which are linearly arranged, and the plurality of first salient points are all meshed with the first threaded surface; the upper surface of the second transmission disc is provided with a second threaded surface, the lower surface of the second movable push plate is provided with a plurality of second salient points which are linearly arranged, and the plurality of second salient points are all meshed with the second threaded surface.

The first driving disc is meshed with the plurality of first salient points through the first thread surface, so that the left and right sliding of the first movable push plate is realized, and the air output is more accurately adjusted; the second transmission disc realizes the left-right sliding of the first movable push plate through the engagement of the second thread surface and the plurality of second salient points, so that the adjustment of the air output is more accurate.

Preferably, still include two fixed stop, two fixed stop establishes respectively first activity push pedal reaches the both sides of second activity push pedal, two fixed stop all with the interior wall connection of valve body, first activity push pedal and second activity push pedal all with fixed stop horizontal sliding fit, first activity push pedal, two fixed stop the inner wall of the inner chamber that admits air and second activity push pedal, two fixed stop all form between the inner wall of the inner chamber that admits air the gap of giving vent to anger.

The fixed baffle is arranged on two sides of the first movable push plate and the second movable push plate and used for supporting the movable push plates, so that the first movable push plate and the second movable push plate are prevented from being damaged due to the fact that the first movable push plate and the second movable push plate are subjected to air inlet pressure for a long time, and the service life of the throttle valve is prolonged.

Preferably, two the inboard of fixed stop is equipped with first spout and second spout respectively, first spout with the second spout sets up from top to bottom, the both sides of first activity push pedal respectively with first spout sliding fit, the both sides of second activity push pedal respectively with second spout sliding fit.

The inner sides of the fixed baffle plates are respectively provided with a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove are arranged up and down and are convenient to correspond to the first sliding groove and the second sliding groove in position, the first movable push plate and the second movable push plate are respectively in sliding fit with the first sliding groove and the second sliding groove, the left-right sliding guide of the first movable push plate and the second movable push plate is realized, the friction during sliding is reduced, and a supporting effect is provided.

The invention has the beneficial effects that: when the air pressure of the air inlet is reduced, the cam is rotated by driving the motor, the point with the larger radius of the cam is abutted to the surface of the floating block, so that the floating block is pressed down and moved downwards, the floating block is returned to the initial position, and the volume which can be passed by the gas in the throttling shell is reduced; the intelligent throttle valve is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle shell, so that the intelligent throttle valve is used for overall adjustment of the air inflow, the floating block is used for fine adjustment, and the intelligent throttle valve and the floating block adjust the air flow mutually to achieve the best air flow control effect.

Drawings

The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.

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

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic view of the cam of the present invention;

FIG. 4 is a schematic view of the mounting plate and slider assembly of the present invention;

fig. 5 is a schematic diagram of the internal structure of the intelligent throttle valve of the present invention.

Wherein: the intelligent throttle valve 2, the throttle housing 1, the speed increasing device 3, the air inlet 111, the air outlet 112, the slider 12, the turbine fan 13, the driving motor 41, the cam 42, the fixing plate 14, the return spring 15, the ring extension 141, the annular groove 131, the limiting protrusion 142, the limiting groove 132, the limiting strip 113, the valve body 21, the air inlet inner cavity, the push plate motor 231, the first driving plate 232, the first movable push plate 241, the second movable push plate 242, the second driving plate 233, the valve port 25, the induction motor 221, the induction fan blade 222, the first salient point 243, the fixing baffle 26, the first sliding groove 261 and the second sliding groove 262.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-4, the intelligent cam throttling regulation mechanism for the inner wall gap of the air compressor in the embodiment comprises an intelligent throttling valve 2, a throttling shell 1 and a speed increasing device 3, wherein an air inlet 111 is formed above the throttling shell 1, an air outlet 112 is formed in one side of the throttling shell 1, and the intelligent throttling valve 2 is arranged above the throttling shell 1 and communicated with the air inlet 111;

the inner cavity of the throttling shell 1 is also provided with a floating block 12 and a turbine fan 13, the speed increasing device 3 is arranged at the bottom of the throttling shell 1, and the turbine fan 13 is in transmission fit with an output shaft of the speed increasing device 3; the slider 12 is arranged above the turbine fan 13;

a driving motor 41 is arranged on the throttling shell 1, a cam 42 is arranged on a rotating shaft of the driving motor 41, and the edge of the cam 42 is attached to the surface of the floating block 12;

the intelligent throttle valve 2 is used for adjusting the air inflow entering the inner cavity of the throttle housing 1 after sensing the air inflow.

The floating block 12 is arranged between the turbine fan 13 and the air inlet 111 and used for adjusting a gap between the turbine fan 13 and the inner wall of the throttling shell 1, and the intelligent throttle valve 2 arranged on the air inlet 111 is used for adjusting the air inlet flow, so that the effect of air pressure balance of the inner cavity of the throttling shell 1 is realized, when the air pressure is increased, the driving motor 41 rotates the cam 42, the point with the smaller radius on the cam 42 is abutted against the surface of the floating block 12, so that the floating block 12 moves upwards, the volume which can be passed by air in the inner cavity of the throttling shell 1 is increased, when the air pressure is decreased, the driving motor 41 rotates the cam 42, the point with the larger radius on the cam 42 is abutted against the surface of the floating block 12, so that the floating block 12 is pressed down, the floating block 12 moves downwards, the floating block 12 returns to the initial position, and the volume which can be passed by air in the throttling shell 1 is reduced; the intelligent throttle valve 2 is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle housing 1, so that the intelligent throttle valve 2 is used for overall adjustment of the air inflow, the floating block 12 is used for fine adjustment, and the intelligent throttle valve 2 and the floating block 12 adjust air flow mutually to achieve the effect of optimally controlling the air flow.

The air-conditioning device further comprises a fixing plate 14, wherein the fixing plate 14 is arranged at the air inlet 111, and the floating block 12 is arranged below the fixing plate 14.

The fixing plate 14 is used for fixing the slider 12, and plays a role in limiting the upward movement of the slider 12, thereby ensuring the normal movement of the slider 12.

The throttle valve further comprises a return spring 15, and two ends of the return spring 15 are respectively abutted against the floating block 12 and the throttle housing 1.

The return spring 15 plays a role in buffering and returning the slider 12, and provides a supporting force for the movement of the slider 12.

The bottom of the fixed plate 14 is provided with a circular ring extension 141, the floating block 12 is provided with a circular ring groove 131, and the circular ring extension 141 corresponds to the circular ring groove 131.

The circular ring groove 131 is formed in the slider 12, so that the circular ring groove 131 corresponds to the circular ring extension portion 141 of the fixing plate 14, the fixing plate 14 is convenient to mount, and the lifting movement of the slider 12 is limited.

The inner side of the ring extension 141 is provided with a limiting protrusion 142, the ring groove 131 is provided with a limiting groove 132, and the limiting protrusion 142 corresponds to the limiting groove 132.

The limiting protrusion 142 is arranged to correspond to the limiting groove 132, so that the circumferential movement of the slider 12 is limited, and the slider 12 is prevented from rotating.

The inside of air inlet 111 still is equipped with spacing 113, spacing 113 with the vertical distance between fixed plate 14 is 1 mm.

The limit strip 113 is arranged for limiting the floating block 12, so that the up-and-down movement of the floating block 12 is between 0.3mm and 1 mm.

As shown in fig. 2 and 5, the intelligent throttle valve 2 includes a valve body 21, an air intake cavity with an upper opening is formed in the valve body 21, an induction device, a push plate motor 231, a first drive plate 232, a first movable push plate 241, a second movable push plate 242 and a second drive plate 233 are sequentially arranged in the air intake cavity from top to bottom, and the push plate motor 231 is in transmission connection with the first drive plate 232 and the second drive plate 233 respectively; the first driving disk 232 and the second driving disk 233 are respectively matched with a first movable push plate 241 and a second movable push plate 242, and an air outlet gap is formed between the first movable push plate 241 and the inner wall of the air inlet cavity and between the second movable push plate 242 and the inner wall of the air inlet cavity; the bottom of the valve body 21 is provided with a valve port 25; the induction device comprises an induction motor 221 and induction fan blades 222, the induction fan blades 222 are in transmission connection with the induction motor 221, and the induction fan blades 222 are arranged close to the opening of the air inlet inner cavity.

Set up induction system in the inner chamber of admitting air, a pressure of admitting air for detecting the inner chamber of admitting air, wherein response flabellum 222 is established at the opening part that is close to the inner chamber of admitting air, be convenient for accurately detect out the initial air input of choke valve, in operation, the air current gets into the back from the inner chamber upper shed that admits air, promote the rotation of response flabellum 222, response motor 221 converts corresponding electric current into according to response flabellum 222's rotational speed, thereby drive push pedal motor 231, make push pedal motor 231 with the left and right sides activity of first activity push pedal 241 and second activity push pedal 242, thereby the size of choke valve through-put is realized to the size of gap of giving vent to anger of control, the intelligent control to the choke valve has been realized, need not artificial control, the tolerance that passes through is controlled with the cooperation of first activity push pedal 241 and second activity push pedal 242 respectively through first driving plate 232 and.

A first threaded surface is arranged on the lower surface of the first drive disc 232, a plurality of first salient points 243 are linearly arranged on the upper surface of the first movable push plate 241, and the plurality of first salient points 243 are all meshed with the first threaded surface; the upper surface of the second transmission disc 233 is provided with a second threaded surface, the lower surface of the second movable pushing plate 242 is provided with a plurality of second protruding points which are linearly arranged, and the plurality of second protruding points are all meshed with the second threaded surface.

The first driving disk 232 is meshed with the plurality of first salient points 243 through the first thread surface to realize the left-right sliding of the first movable push plate 241, so that the air output is more accurately adjusted; the second transmission disc 233 is engaged with the plurality of second salient points through the second thread surface, so that the first movable push plate 241 slides left and right, and the air output is adjusted more accurately.

Still include two fixed stop 26, two fixed stop 26 establishes respectively first activity push pedal 241 reaches the both sides of second activity push pedal 242, two fixed stop 26 all with the inner wall connection of valve body 21, first activity push pedal 241 and second activity push pedal 242 all with fixed stop 26 side-to-side sliding fit, first activity push pedal 241, two fixed stop 26 the inner wall of the inner chamber that admits air and second activity push pedal 242, two fixed stop 26 all form between the inner wall of the inner chamber that admits air the gap of giving vent to anger.

The fixed baffle 26 is disposed at two sides of the first movable push plate 241 and the second movable push plate 242, and is used for supporting the movable push plates, so as to prevent the first movable push plate 241 and the second movable push plate 242 from being damaged due to the pressure of the intake air for a long time, and prolong the service life of the throttle valve.

The first movable pushing plate 241 and the second movable pushing plate 242 of the present embodiment have the same structure, and the first driving plate 232 and the second driving plate 233 have the same structure.

Two the inboard of fixed stop 26 is equipped with first spout 261 and second spout 262 respectively, first spout 261 with second spout 262 sets up from top to bottom, the both sides of first activity push pedal 241 respectively with first spout 261 sliding fit, the both sides of second activity push pedal 242 respectively with second spout 262 sliding fit.

The inner sides of the fixed baffle 26 are respectively provided with a first sliding groove 261 and a second sliding groove 262, the first sliding groove 261 and the second sliding groove 262 are arranged up and down, the positions of the first sliding groove 261 and the second sliding groove 262 are convenient to correspond, the first movable push plate 241 and the second movable push plate 242 are respectively in sliding fit with the first sliding groove 261 and the second sliding groove 262, the guide of the left-right sliding of the first movable push plate 241 and the second movable push plate 242 is realized, the friction during sliding is reduced, and the supporting effect is provided.

In this embodiment, the specific types and parameters of the induction motor 221 are as follows: the manufacturer: zhuoye micro motor factory, model: r280, test voltage: 24V, maximum induced current: 42mA, maximum rotation speed: 7200r/min, the diameter of the machine body is 24mm, and the height is 32 mm.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.