A compressed air delivery system

Abstract

The application is suitable for the field of air delivery technology, and provides a compressed air delivery system, which comprises a gas distribution shell, a detachable cover plate is sealingly installed at the open end of the gas distribution shell, a plurality of air outlet covers are installed in a circumferential array on the cover plate, each of the air outlet covers is provided with an anti-backflow device, a plurality of air outlet branch pipes are respectively connected with the plurality of air outlet covers, an air inlet main pipe is connected with a compressed air source at one end and extends into an air inlet cover at the other end, and the air inlet cover is fixedly installed on the gas distribution shell. The compressed air filtered by the filter part is divided into the corresponding air outlet covers through the on-off control valve, the compressed air in the air outlet branch pipe enters the air outlet branch pipe through the air outlet cover, and the anti-backflow device is arranged to prevent the compressed air drained from the air outlet branch pipe from flowing back to the gas distribution shell.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of air conveying, and particularly relates to a compressed air conveying system. BACKGROUND

[0002] The compressed air needs to be transported by using a pipeline system during conveying.

[0003] As disclosed in the patent file with the announcement number CN210440975U, a compressed air conveying pipeline system includes a gas conveying pipe, one end of the gas conveying pipe is fixed with a shunt pipe through a connecting assembly, the connecting assembly includes a connecting sleeve, a retreat groove, an embedding groove, an embedding pipe and an embedding convex strip, the inner wall of the gas conveying pipe is provided with the retreat groove, the embedding groove is arranged on the outer side of the retreat groove and is arranged on the inner wall of the gas conveying pipe, one end of the embedding pipe is integrally formed on one end of the shunt pipe, and the embedding convex strip is integrally formed on the outer wall of the embedding pipe; the pipeline is additionally provided with a branch pipe and a conveying pipe body, the branch pipe is connected with the shunt pipe, and an adjusting valve can adjust the on-off of the branch pipe.

[0004] In the compressed air conveying pipeline system provided by the above scheme, when the compressed gas stops supplying, manual control of the on-off of the branch pipe needs to be additionally performed, so that the air in the branch pipe of the compressed air is prone to backflow and re-enters the conveying pipeline to pollute the compressed gas. SUMMARY

[0005] The purpose of the embodiment of the present application is to provide a compressed air conveying system, and aims to solve the problem that in the compressed air conveying pipeline system of the prior art, when the compressed gas stops supplying, manual control of the on-off of the branch pipe needs to be additionally performed, so that the air in the branch pipe of the compressed air is prone to backflow and re-enters the conveying pipeline to pollute the compressed gas. In order to achieve the above purpose, the present application provides the following technical scheme.

[0006] A compressed air conveying system, the compressed air conveying system comprises:

[0007] A gas distribution shell, a detachable cover plate is sealingly installed at the open end of the gas distribution shell, a plurality of gas outlet covers are installed in a circumferential array on the cover plate, and each of the gas outlet covers is provided with an anti-backflow device;

[0008] A plurality of gas outlet branch pipes are correspondingly connected between the plurality of gas outlet covers, so that the compressed air in the gas distribution shell enters the gas outlet covers and is drained through the gas outlet branch pipes, and the compressed air drained through the gas outlet branch pipes will not flow back to the gas distribution shell due to the anti-backflow device.

[0009] A plurality of control valves are one-to-one corresponding to the plurality of gas outlet covers, and the control valves are used to control the on-off of the airflow in the gas distribution shell when entering the corresponding gas outlet covers.

[0010] An air inlet main pipe, one end of which is connected with a compressed air source, and the other end of which extends into an air inlet cover fixedly installed on the air distribution shell.

[0011] Further, a filter part is arranged in the air distribution shell, and the other end of the air inlet main pipe extends into the filter part.

[0012] Further, the air outlet cover has an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through an air outlet channel, and the lower cavity is provided with a blocking groove at a connection position of the lower cavity and the air outlet channel.

[0013] Further, the anti-backflow device comprises:

[0014] a first blocking block corresponding to the blocking groove, the first blocking block is supported and installed in the lower cavity through a supporting spring, and under the elastic supporting action of the supporting spring, the first blocking block is pushed against the corresponding blocking groove to achieve the blocking of the blocking groove; when the compressed air enters the lower cavity through the upper cavity, the first blocking block is separated from the blocking groove, and the supporting spring is in a compressed state, so that the compressed air in the upper cavity can enter the lower cavity; when the compressed air in the upper cavity no longer enters the lower cavity, the first blocking block is pushed against the blocking groove under the elastic supporting action of the supporting spring to achieve the blocking, thereby achieving the anti-backflow effect.

[0015] Further, the end of the air outlet branch pipe is connected with the air outlet cover, and the end of the air outlet branch pipe extends into the lower cavity, so that the compressed gas in the lower cavity is discharged through the air outlet branch pipe.

[0016] Further, the first blocking block has a bowl-shaped structure, and the end of the air outlet branch pipe is opposite to the concave surface of the first blocking block.

[0017] Further, a ring-shaped partition cover is fixedly installed in the air distribution shell, a plurality of air vents are formed in the ring-shaped partition cover, and the plurality of air vents correspond to the plurality of air outlet covers.

[0018] Further, the control valve comprises a second blocking block, the second blocking block is supported and sealed and slidably arranged in an adjusting cylinder, the upper cavity of the air outlet cover is communicated with the middle part of the adjusting cylinder, the air vents are communicated with the end part of the adjusting cylinder, and the second blocking block is installed on a first lead screw in a threaded connection mode, and an adjusting handle is fixedly installed at the outer end of the first lead screw.

[0019] Further, the filter part comprises:

[0020] A filter cartridge is fixedly installed in the air distribution shell, and the filter cartridge has a filter cavity therein, and the end of the air inlet main pipe extends into the filter cavity;

[0021] A filter screen is arranged at the top end of the filter cavity;

[0022] An inclined channel is arranged at the bottom of the filter cartridge, one end of the inclined channel communicates with the inner cavity of the air distribution shell, and the other end of the inclined channel communicates with the filter cavity.

[0023] Further, the filter part further comprises:

[0024] A blocking ring is slidably arranged at the lower part of the filter cartridge, and the blocking ring is used for blocking the inclined channel;

[0025] The communication between the air inlet cover and the air distribution shell is located above the blocking ring;

[0026] The position of the inclined channel on the filter cartridge is adjusted by a lifting assembly;

[0027] The lifting assembly comprises a second lead screw, the blocking ring is fixedly installed on a support rod, the bottom of the filter cartridge has a support cavity, a lifting block is slidably arranged in the support cavity, the lifting block is installed on the second lead screw in a threaded connection manner, the blocking ring and the lifting block are fixedly connected through the support rod, and the end of the second lead screw has a handle.

[0028] Beneficial effects

[0029] Compared with the prior art, the compressed gas flowing into the air distribution shell through the air inlet main pipe is first filtered through the filter part, the compressed gas filtered through the filter part is then shunted to the corresponding air outlet cover through the on-off control valve, and the compressed air flowing out of the air outlet branch pipe through the air outlet cover will not flow back into the air distribution shell through the anti-backflow device;

[0030] In addition, the height position of the lifting block is adjusted by rotating the second lead screw, so as to drive the blocking ring to move to block the inclined channel, at this time, the compressed gas flowing into the filter cavity through the air inlet main pipe is filtered through the filter screen and then discharged into the air inlet cover, so that the airflow in the air inlet cover flows into the air distribution shell; when the compressed gas of the air inlet main pipe does not need to be filtered, the blocking ring is only needed to be moved upward to block the communication between the air inlet cover and the air distribution shell, at this time, the compressed gas flows into the air distribution shell through the inclined channel. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only represent some embodiments of the present application.

[0032] Figure 1 A perspective view of the compressed air conveying system according to the present application from a first angle of view;

[0033] Figure 2 A perspective view of the compressed air conveying system according to the present application from a second angle of view;

[0034] Figure 3 A sectional view of the compressed air conveying system according to the present application;

[0035] Figure 4 A structural schematic view of the filter part in the compressed air conveying system according to the present application;

[0036] Figure 5 A structural schematic view of the internal structure of the air outlet cover in the compressed air conveying system according to the present application.

[0037] In Figures 1-5 which:

[0038] 100, air distribution shell; 101, annular partition cover; 102, air inlet;

[0039] 200, air inlet main pipe; 201, air inlet cover;

[0040] 300, air outlet branch pipe; 301, air outlet cover; 302, air outlet passage; 303, first blocking block; 304, blocking groove; 305, supporting spring;

[0041] 400, adjusting cylinder; 401, adjusting handle; 402, first screw rod; 403, second blocking block;

[0042] 500, filter part; 501, filter cylinder; 502, filter cavity; 503, filter screen; 504, handle; 505, obliquely arranged passage; 506, blocking ring; 507, supporting rod; 508, lifting block; 509, second screw rod; 510, supporting cavity. DETAILED DESCRIPTION

[0043] In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0044] The specific implementation of the present application will be described in detail below with reference to specific embodiments.

[0045] AsFigures 1-2 As shown in one embodiment provided by the present application, a compressed air delivery system comprises:

[0046] An air distribution shell 100, a detachable cover plate is sealingly installed at an open end of the air distribution shell 100, a plurality of air outlet covers 301 are installed in a circumferential array on the cover plate, and each of the air outlet covers 301 is provided with an anti-backflow device.

[0047] A plurality of air outlet branch pipes 300 are respectively connected to the plurality of air outlet covers 301, so that the compressed air in the air distribution shell 100 is drained out through the air outlet branch pipes 300 after entering the air outlet covers 301, and the compressed air drained out by the air outlet branch pipes 300 will not flow back to the air distribution shell 100 due to the anti-backflow device.

[0048] Please continue to refer to Figures 1-3 In the embodiment of the present application, the compressed air delivery system further comprises:

[0049] A plurality of control valves are provided one-to-one corresponding to the plurality of air outlet covers 301, and the control valves are used to control the on-off of the airflow in the air distribution shell 100 entering the corresponding air outlet covers 301.

[0050] Further, the compressed air delivery system further comprises:

[0051] An air inlet main pipe 200, one end of the air inlet main pipe 200 is connected to a compressed air source, and the other end of the air inlet main pipe 200 extends into an air inlet cover 201, and the air inlet cover 201 is fixedly installed on the air distribution shell 100.

[0052] As preferred, as Figures 1-3 As shown in the embodiment of the present application, a filter part 500 is further provided in the air distribution shell 100, and the other end of the air inlet main pipe 200 extends into the filter part 500, so that the compressed air introduced into the air distribution shell 100 through the air inlet main pipe 200 is first filtered by the filter part 500, and the compressed air filtered by the filter part 500 is then divided into the corresponding air outlet covers 301 through the on-off of the control valve, and further, the compressed air introduced into the air outlet branch pipes 300 through the air outlet covers 301 will not flow back to the air distribution shell 100 due to the anti-backflow device.

[0053] As preferred, as Figure 3 and Figure 5As shown, in the embodiment of the present application, the air outlet cover 301 has an upper cavity and a lower cavity, the upper cavity is communicated with the lower cavity through an air outlet channel 302, and the lower cavity is connected with the air outlet channel 302 and has a blocking groove 304; the anti-backflow device comprises:

[0054] A first blocking block 303 corresponding to the blocking groove 304 is supported and installed in the lower cavity through a supporting spring 305, under the elastic supporting action of the supporting spring 305, the first blocking block 303 is pushed against the corresponding blocking groove 304 to achieve the plugging of the blocking groove 304, when the compressed air enters the lower cavity through the upper cavity, the first blocking block 303 is out of the blocking groove 304 at this time, and the supporting spring 305 is in a compressed state, so that the compressed air in the upper cavity can enter the lower cavity; when the compressed air in the upper cavity no longer enters the lower cavity, under the elastic supporting action of the supporting spring 305, the first blocking block 303 is pushed against the blocking groove 304 to achieve the plugging, thereby achieving the anti-backflow effect.

[0055] Further, in the embodiment of the present application, the end of the air outlet branch pipe 300 is connected with the air outlet cover 301, and the end of the air outlet branch pipe 300 extends into the lower cavity, so that the compressed gas in the lower cavity is discharged through the air outlet branch pipe 300.

[0056] As preferred, the first blocking block 303 is in a bowl-shaped structure, and the end of the air outlet branch pipe 300 is opposite to the concave surface of the first blocking block 303.

[0057] Please continue to refer to Figures 2-3 In the embodiment of the present application, the air distribution shell 100 is fixedly installed with an annular partition cover 101, a plurality of air vents 102 are formed in the annular partition cover 101, and the plurality of air vents 102 correspond to the plurality of air outlet covers 301.

[0058] Specifically, in the embodiment of the present application, the control valve comprises a second blocking block 403, the second blocking block 403 is supported and sealed and slidably arranged in an adjusting cylinder 400, the upper cavity of the air outlet cover 301 is communicated with the middle part of the adjusting cylinder 400, the air vent 102 is communicated with the end part of the adjusting cylinder 400, and the second blocking block 403 is installed on the first lead screw 402 in a threaded connection mode, and the outer end of the first lead screw 402 is fixedly installed with an adjusting handle 401.

[0059] Please continue to refer to Figures 3-4In the embodiment of the present application, the filtering part 500 comprises:

[0060] A filtering cylinder 501 is fixedly installed in the air distribution shell 100, and the filtering cylinder 501 has a filtering cavity 502 therein, and the end of the air inlet main pipe 200 extends into the filtering cavity 502;

[0061] A filter screen 503 is arranged at the top end of the filtering cavity 502;

[0062] An oblique channel 505 is arranged at the bottom of the filtering cylinder 501, one end of the oblique channel 505 communicates with the inner cavity of the air distribution shell 100, and the other end of the oblique channel 505 communicates with the filtering cavity 502.

[0063] Further, in the embodiment of the present application, the filtering part 500 further comprises:

[0064] A blocking ring 506 is slidably sleeved on the lower part of the filtering cylinder 501, and the blocking ring 506 is used for blocking the oblique channel 505.

[0065] Still further, in the embodiment of the present application, the communication between the air inlet cover 201 and the air distribution shell 100 is located above the blocking ring 506.

[0066] The position of the oblique channel 505 on the filtering cylinder 501 is adjusted by a lifting assembly.

[0067] Specifically, the lifting assembly comprises a second lead screw 509, the blocking ring 506 is fixedly installed on a support rod 507, the bottom of the filtering cylinder 501 has a support cavity 510, a lifting block 508 is slidably arranged in the support cavity 510, the lifting block 508 is installed on the second lead screw 509 in a threaded connection manner, the blocking ring 506 is fixedly connected with the lifting block 508 through the support rod 507, and the end of the second lead screw 509 has a handle 504.

[0068] In the embodiment of the present application, the second lead screw 509 is rotated to adjust the height position of the lifting block 508, and then the blocking ring 506 is moved to block the oblique channel 505, at this time, the compressed gas entering the filtering cavity 502 through the air inlet main pipe 200 is filtered by the filter screen 503 and then discharged into the air inlet cover 201, and then the airflow in the air inlet cover 201 enters the air distribution shell 100; when the compressed gas of the air inlet main pipe 200 does not need to be filtered, the blocking ring 506 is only moved upward to block the communication between the air inlet cover 201 and the air distribution shell 100, at this time, the compressed gas enters the air distribution shell 100 through the oblique channel 505.

[0069] The foregoing description is only exemplary of the principles of the application and is not intended to limit the application to the embodiments described. Changes and modifications can be made to the application without departing from the spirit and scope of the application.

[0070] The number of devices and the size of the processes described here are intended to illustrate the application. Applications, modifications and variations of the application will be apparent to those skilled in the art.

[0071] While the embodiments of the application have been disclosed as above, it is not limited to the applications listed in the specification and the embodiments. It can be applied to various fields suitable for the application. Further modifications can be easily made by those skilled in the art. Therefore, the application is not limited to the specific details and the figures shown and described herein. It is intended to cover the general concepts defined by the claims and their equivalents.

Claims

1. A compressed air delivery system, characterized in that, The compressed air delivery system includes: an air distribution shell, the opening of which is sealed with a removable cover plate, and multiple air outlet hoods are distributed in a circumferential array on the cover plate, each of which has an anti-backflow device. The exhaust branch pipes are connected to the exhaust hoods respectively. Control valves, with multiple control valves corresponding to multiple air outlet hoods, are used to control the on / off state of airflow entering the corresponding air outlet hood from the air distribution housing. An intake manifold, one end of which is connected to a compressed air source, and the other end of which extends into the intake hood, which is fixedly installed on the air distribution housing. The air distribution housing is also provided with a filter section, and the other end of the air intake pipe extends into the filter section; The vent hood has an upper cavity and a lower cavity, which are connected by an vent channel. The connection between the lower cavity and the vent channel has a plug groove. The anti-backflow device includes a first blocking block that corresponds to and cooperates with the blocking groove. The first blocking block is supported and installed in the lower cavity by a support spring. Under the elastic support of the support spring, the first blocking block is pushed against the corresponding blocking groove. The end of the outlet branch pipe is connected to the outlet hood, and the end of the outlet branch pipe extends into the lower cavity, so that the compressed gas in the lower cavity is discharged through the outlet branch pipe. The first block has a bowl-shaped structure, and the end of the air outlet branch pipe is directly opposite the concave surface of the first block; An annular hood is fixedly installed inside the air distribution shell. The annular hood has multiple air vents, and the multiple air vents correspond to multiple air outlets.

2. The compressed air delivery system according to claim 1, characterized in that, The control valve includes a second plug, which is slidably and sealingly disposed inside the regulating cylinder, and the upper cavity of the vent hood communicates with the middle part of the regulating cylinder; The vent is connected to the end of the regulating cylinder; the second plug is installed on the first lead screw by a threaded connection, and an adjusting handle is fixedly installed on the outer end of the first lead screw.

3. The compressed air delivery system according to claim 1 or 2, characterized in that, The filtration unit includes: a filter cylinder, which is fixedly installed inside the air distribution housing, and has a filter cavity inside the filter cylinder, with the end of the main air intake pipe extending into the filter cavity; A filter screen, wherein the filter screen is disposed at the top of the filter chamber; An inclined channel is provided at the bottom of the filter cylinder. One end of the inclined channel communicates with the inner cavity of the air distribution shell, and the other end of the inclined channel communicates with the filter cavity.

4. The compressed air delivery system according to claim 3, characterized in that, The filtration section further includes a plugging ring, which is slidably sleeved on the lower part of the filter cylinder; The connection between the air intake hood and the air distribution housing is located above the plugging ring; The position of the inclined channel on the filter cylinder is adjusted by a lifting assembly; The lifting assembly includes a second lead screw, the plugging ring is fixedly installed on the support rod, the bottom of the filter cylinder has a support cavity, a lifting block is slidably arranged in the support cavity, the lifting block is installed on the second lead screw by a threaded connection, and the plugging ring and the lifting block are fixedly connected by the support rod.

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