CN218188611U

CN218188611U - Detachable multi-stage filtration drying cylinder

Info

Publication number: CN218188611U
Application number: CN202222270510.3U
Authority: CN
Inventors: 燕海兵; 刘小云; 崔坤兵; 叶伟杰
Original assignee: Wenzhou Ruirong Auto Parts Manufacturing Co ltd
Current assignee: Wenzhou Ruirong Auto Parts Manufacturing Co ltd
Priority date: 2022-08-27
Filing date: 2022-08-27
Publication date: 2023-01-03
Anticipated expiration: 2032-08-27

Abstract

The utility model discloses a detachable multistage filter drying cylinder, including the shell with locate the filter chamber in the shell, be equipped with connection pad and butt in the back cover of connection pad in the filter chamber, the back cover can be dismantled, the utility model discloses need install and use on the air compressor machine, play the function of filtering gas, just the utility model discloses a mode and the air compressor machine of threaded connection are connected, and connected mode is simple, the utility model discloses be equipped with rectangle circle and the sealing washer that prevents the gas loss; the connecting disc, the bottom sealing cover and the filtering component positioned in the filtering cavity of the utility model can be separated from the shell, and then the working personnel can replace the consumable materials in the filtering component, thereby reducing the use and maintenance cost of the air compressor; the utility model discloses an be equipped with the top dish in the inner bag shell, the lower filter element that the top dish can jack-up be located the inner bag shell avoids its deformation, and increases the efficiency of giving vent to anger to a certain extent under the bending state lower filter element.

Description

Detachable multi-stage filtration drying cylinder

Technical Field

The utility model relates to a filter technical field especially relates to a detachable multistage filtration drying cylinder.

Background

The drying cylinder needs to be mounted on the air compressor to absorb moisture in the air compressor.

Disclosed in the application No. 201922099212.0 is a multistage filter drying cylinder including a cylinder housing and a bottom cap disposed below the cylinder housing and snap-fit connected to the cylinder housing, in which the filter media are all located within the cylinder housing, which has the following drawbacks:

1. the bottom cover is buckled and connected with the cylinder shell, so that the filter material in the cylinder shell cannot be replaced, and the whole drying cylinder needs to be replaced after the filter material reaches the service life, so that the cost is high;

2. in the application, air entering the cylinder shell through the through hole for filtering needs to be bent for multiple times, so that the ventilation efficiency is low;

3. in this application, there is no separation between the through-holes and the passage circular holes, and the air to be filtered is easily mixed with the air that is filtered.

Therefore, improvements in this solution are needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a detachable multiple filtration drying cylinder for solve above-mentioned problem.

The utility model provides a following technical scheme: a detachable multistage filtering drying cylinder comprises a shell, wherein a filtering cavity with a downward opening is arranged in the shell, a connecting disc is arranged in the filtering cavity, an air outlet hole which is communicated up and down is arranged at the axis of the connecting disc, a first thread is processed in the side face of the air outlet hole, the edge of the air outlet hole extends upwards to increase the length of the first thread, a plurality of air inlet holes which are communicated up and down are also arranged in the connecting disc, the air inlet holes are distributed at equal angles by taking the axis of the air outlet hole as the center, the lower end of the shell is detachably connected with a bottom sealing cover, and the bottom sealing cover is abutted against the lower side face of the connecting disc so that the connecting disc cannot be separated from the filtering cavity;

the lower side surface of the bottom sealing cover is recessed to form a first round groove, a rectangular ring is inserted into the first round groove and is positioned on the outer side of the air inlet hole, a second round groove is arranged in the lower side surface of the connecting disc and is positioned between the air outlet hole and the air inlet hole, and a first sealing ring is arranged in the second round groove;

the filter assembly is arranged in the filter cavity and can filter gas rushing in from the gas inlet hole and discharge the gas through the gas outlet hole;

the utility model discloses a detachable multiple filtration drying cylinder needs to install and uses on the air compressor machine, and the staff can be with connection pad threaded connection on the air compressor machine when needs carry out gas filtration during operation, and rectangle circle and a sealing washer all butt in the air compressor machine this moment for gas can pass through inlet port upward movement, and filters the back through filter assembly and discharge through the back cover lid, and the rectangle circle can avoid gaseous loss with a sealing washer.

Preferably, the back cover is fixed in the downside of shell through No. two bolt-nuts of array, installs through bolt-nut's mode for connection pad and back cover are dismantled and assembled, and the user can dismantle No. two bolt-nuts and then change the consumptive material when filtering component need carry out the consumptive material and change.

Preferably, the filtering component comprises a liner shell, a filter element, a filter block, an upper filter sheet, a lower filter sheet, a mounting rack and a molecular sieve, a filling cavity which is communicated from top to bottom is arranged in the liner shell, the molecular sieve is filled in the filling cavity, the upper filter sheet covers the upper side surface of the molecular sieve, the lower filter sheet is positioned at the lower side of the molecular sieve to support the molecular sieve, a liner cover is arranged at the upper side of the upper filter sheet, a plurality of vent holes which are communicated from top to bottom are arranged in the liner cover, the upper side surface of the liner cover is connected with the upper side surface of the filter cavity through a spring, the outer side surface of the liner shell is inwards concave to form an annular groove, the annular groove is communicated downwards, a second thread is processed on the outer peripheral surface of the upwards extending part of the vent hole edge to be connected with the liner shell through a thread, and a second sealing ring is also arranged between the liner shell and the upper side surface of the connecting disk, the second sealing ring is positioned between the air outlet hole and the air inlet hole, so that the air flow which flows downwards through the upper filter disc, the molecular sieve and the lower filter disc only can be discharged through the air outlet hole, the upper side surface of the connecting disc is connected to the lower side surface of the annular groove through the mounting frame, the filter element is fixed in the mounting frame, the mounting frame is also positioned at the outer side of the air inlet hole, the inner side surface of the mounting frame clamps the filter block, the filter block is abutted against the inner side surface of the annular groove and the upper side surface of the connecting disc to shield the air inlet hole, the filter assembly with the structure can carry out multiple filtration, the gas entering from the air inlet hole can be discharged after sequentially passing through the filter block, the filter element, the upper filter disc, the molecular sieve and the lower filter disc, the filtering effect is good, the service life is long, and the setting of the spring enables the structure to be compact, and the precision required by manufacturing each part is reduced, the processing cost is low, and the spring provides certain damping performance and avoids transportation damage.

Preferably, a top disc is fixedly arranged in the filling cavity in the liner shell, the upper side surface of the top disc abuts against the lower filter element to enable the central part of the lower filter element to be sunken upwards, the top disc can support the lower filter element to prevent the lower filter element from bearing and deforming, and the top disc can jack the lower filter element to increase the ventilation area of the lower filter element to a certain extent.

Preferably, the lower side surface of the top disc is concave, a cross-shaped protruding portion is integrally formed at the concave portion in the lower side surface of the top disc, and the protruding portion can reinforce the structural strength of the top disc.

Preferably, the side of going up of filter chamber is equipped with and is used for the centre gripping the grip ring of spring, the grip ring with interference fit between the spring, when connection pad and back cover and filter assembly leave the filter chamber the spring still can be by the centre gripping in the grip ring, when reducing the usefulness of reassembly, and the grip ring can avoid the flexible in-process of spring to take place the skew, has guaranteed elasticity.

The utility model provides a detachable multistage filter drying cylinder has following beneficial effect:

the utility model discloses need install and use on the air compressor machine, play and carry out the function of filtering to gas, just the utility model discloses a mode and the air compressor machine of threaded connection are connected, and the connected mode is simple, the utility model discloses be equipped with rectangle circle and sealing washer in, the utility model discloses accomplish that installation back rectangle circle and sealing washer can guarantee the gas flow direction;

the connecting disc, the bottom sealing cover and the filtering component positioned in the filtering cavity of the utility model can be separated from the shell, and then the working personnel can replace the consumable materials in the filtering component, thereby reducing the use and maintenance cost of the air compressor;

the top disc is arranged in the inner container shell of the utility model, the top disc can jack up the lower filter disc in the inner container shell to avoid the deformation of the lower filter disc, and the lower filter disc in a bending state increases the air outlet efficiency to a certain extent;

the utility model discloses optimize the gas flow direction, increased the filtration efficiency of ventilating under making the unchangeable condition of shell volume.

Drawings

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

fig. 2 is an enlarged schematic view of the air inlet hole on the left side in fig. 1.

In the figure:

11. a housing; 12. a filter chamber; 13. a connecting disc; 14. an air outlet; 15. an air intake; 16. sealing the bottom cover; 17. a first circular groove; 19. a rectangular ring; 20. a second round groove; 21. a first sealing ring; 23. an inner shell; 24. an upper filter disc; 25. a lower filter disc; 26. a mounting frame; 27. a molecular sieve; 28. a filter element; 29. an inner container cover; 30. an annular groove; 31. filtering blocks; 32. a second sealing ring; 33. a top tray; 34. a spring; 35. a clamping ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-2, according to the embodiment of the present invention, the detachable multistage filter drying cylinder includes a housing 11, a filter cavity 12 with a downward opening is provided in the housing 11, a connection pad 13 is provided in the filter cavity 12, an air outlet 14 which is through from top to bottom is provided at an axis of the connection pad 13, a first thread is processed in a side surface of the air outlet 14, and an edge of the air outlet 14 extends upward to increase a length of the first thread, a plurality of air inlets 15 which are through from top to bottom are further provided in the connection pad 13, the air inlets 15 are distributed with an axis of the air outlet 14 as a center at equal angles, a bottom sealing cover 16 is detachably connected to a lower end of the housing 11, and the bottom sealing cover 16 abuts against a lower side surface of the connection pad 13 so that the connection pad 13 does not separate from the filter cavity 12;

the lower side surface of the bottom sealing cover 16 is recessed to form a first circular groove 17, a rectangular ring 19 is inserted into the first circular groove 17, the rectangular ring 19 is located on the outer side of the air inlet hole 15, a second circular groove 20 is arranged in the lower side surface of the connecting disc 13, the second circular groove 20 is located between the air outlet hole 14 and the air inlet hole 15, and a first sealing ring 21 is arranged in the second circular groove 20;

the filter cavity 12 is further provided with a filter assembly, and the filter assembly can filter the gas flowing from the gas inlet 15 and discharge the gas through the gas outlet 14.

The bottom cover 16 is fixed to the lower side of the housing 11 by plural sets of second bolts and nuts.

The filter assembly comprises a liner shell 23, a filter element 28, a filter block 31, an upper filter sheet 24, a lower filter sheet 25, a mounting rack 26 and a molecular sieve 27, a filling cavity which is through from top to bottom is arranged in the liner shell 23, the filling cavity is filled with the molecular sieve 27, the upper filter sheet 24 covers the upper side surface of the molecular sieve 27, the lower filter sheet 25 is positioned at the lower side of the molecular sieve 27 to support the molecular sieve 27, a liner cover 29 is arranged at the upper side of the upper filter sheet 24, a plurality of vent holes which are through from top to bottom are arranged in the liner cover 29, the upper side surface of the liner cover 29 is connected with the upper side surface of the filter cavity 12 through a spring 34, the outer side surface of the liner shell 23 is inwards concave to form an annular groove 30, the annular groove 30 is through downwards, a second thread is processed at the outer peripheral surface of the upwards extending part at the edge of the vent hole 14 so as to be in threaded connection with the liner shell 23, inner bag shell 23 with still be equipped with No. two sealing washer 32 between the side of going up of connection pad 13, no. two sealing washer 32 are located venthole 14 with between the inlet port 15, so that pass through go up filter element 24 molecular sieve 27 with filter element 25 downward flow's air current only can pass through down venthole 14 discharges, the side of going up of connection pad 13 passes through mounting bracket 26 connect in the downside of ring channel 30, filter core 28 is fixed in the mounting bracket 26, mounting bracket 26 still is located the outside of inlet port 15, mounting bracket 26's medial surface accompanies filter block 31, filter block 31 butt in the medial surface of ring channel 30 with the side of going up of connection pad 13, in order to shield inlet port 15.

A top disc 33 is fixedly arranged in the filling cavity in the inner container shell 23, and the upper side surface of the top disc 33 abuts against the lower filter disc 25 so that the central part of the lower filter disc 25 is recessed upwards.

The lower side surface of the top disc 33 is concave, and a cross-shaped protrusion is integrally formed at the concave part in the lower side surface of the top disc 33.

The upper side of the filter cavity 12 is provided with a clamping ring 35 for clamping the spring 34, and the clamping ring 35 is in interference fit with the spring 34.

The working process is as follows:

when the gas filtration work is required, the staff connects a thread on the side of the air outlet hole 14 with the air compressor by screw thread, at the moment, the rectangular ring 19 and the sealing ring 21 are abutted against the air compressor, the air outlet of the air compressor is positioned between the rectangular ring 19 and the sealing ring 21, the discharged gas in the air compressor can pass through the air inlet hole 15, the filter block 31 and the filter element 28 enter the filter cavity 12, then the gas upwards surges through the gap between the filter cavity 12 and the inner container shell 23, and enters the filling cavity through the upper filter sheet 24, then the gas can be filtered by the molecular sieve 27, and finally the gas is discharged downwards through the air outlet hole 14 after passing through the lower filter sheet 25.

Consumable replacement flow: when the aluminum material in the filter cavity 12 needs to be replaced, the worker separates the connecting disc 13 from the air compressor, the inner container cover 29 is not pressed by the spring 34 any more, and the worker can take down the inner container cover 29 and replace the upper filter disc 24, the lower filter disc 25 and the molecular sieve 27; then, the worker screws off all the second bolts and nuts, the outer shell 11, the spring 34 and the clamping ring 35 are separated, then the worker can screw the inner container shell 23 and enable the inner container shell 23 to be separated from the connecting disc 13, the worker can pull the mounting frame 26 downwards and replace the filter element 28 and the filter block 31, and the second bolt and the second nut are reassembled after replacement is completed.

The above description is only for the specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. A detachable multistage filter drying cylinder, includes shell (11), its characterized in that: a filter cavity (12) with a downward opening is formed in the shell (11), a connecting disc (13) is arranged in the filter cavity (12), an air outlet hole (14) which is communicated up and down is formed in the axis of the connecting disc (13), a first thread is processed in the side face of the air outlet hole (14), the edge of the air outlet hole (14) extends upwards to increase the length of the first thread, a plurality of air inlet holes (15) which are communicated up and down are further formed in the connecting disc (13), the air inlet holes (15) are distributed with the axis of the air outlet hole (14) as the center and in an equal angle, the lower end of the shell (11) is detachably connected with a sealing bottom cover (16), and the sealing bottom cover (16) is abutted to the lower side face of the connecting disc (13) so that the connecting disc (13) cannot be separated from the filter cavity (12);

the lower side surface of the bottom sealing cover (16) is inwards concave to form a first circular groove (17), a rectangular ring (19) is inserted into the first circular groove (17), the rectangular ring (19) is positioned on the outer side of the air inlet hole (15), a second circular groove (20) is arranged in the lower side surface of the connecting disc (13), the second circular groove (20) is positioned between the air outlet hole (14) and the air inlet hole (15), and a first sealing ring (21) is arranged in the second circular groove (20);

and a filtering component is also arranged in the filtering cavity (12), and can filter the gas rushing in from the gas inlet hole (15) and discharge the gas through the gas outlet hole (14).

2. A removable multi-stage filter-dryer cartridge according to claim 1, wherein: the sealing bottom cover (16) is fixed on the lower side surface of the shell (11) through a plurality of groups of second bolts and nuts.

3. A removable multi-stage filter-dryer cartridge according to claim 1, wherein: filter assembly includes inner bag shell (23), filter core (28), filter block (31), goes up filter disc (24), filter disc (25), mounting bracket (26) and molecular sieve (27) down, be equipped with the filling chamber that link up from top to bottom in inner bag shell (23), it is full of to fill the intracavity molecular sieve (27), go up filter disc (24) cover in the side of going up of molecular sieve (27), just filter disc (25) are located down the downside of molecular sieve (27) is in order to bear molecular sieve (27), the upside of going up filter disc (24) is equipped with inner bag lid (29), be equipped with the air vent that link up from top to bottom in inner bag lid (29) several, the side of going up of inner bag lid (29) pass through spring (34) connect in the side of going up of filter chamber (12), the lateral surface of inner bag shell (23) is inwards sunken in order to form annular groove (30), annular groove (30) link up down, venthole (14) upward along the peripheral face of extension portion process have two numbers of number with inner bag shell (23) thread connection, inner bag shell (23) and sealing washer (32) are in order to pass through between sealing washer (13) and sealing washer (32) go up number of sealing washer (14), sealing washer (32) and filter disc (14) are equipped with air vent hole (32) between the last side of filter disc (14) and sealing washer (32) are equipped with number of filter disc (13) and inlet port (32) are equipped with number of air vent hole (14) between Molecular sieve (27) with filter disc (25) downward flow's air current only can pass through venthole (14) are discharged, the side of going up of connection pad (13) passes through mounting bracket (26) connect in the downside of ring channel (30), filter core (28) are fixed in mounting bracket (26), mounting bracket (26) still are located the outside of inlet port (15), the medial surface of mounting bracket (26) accompanies filter block (31), filter block (31) butt in the medial surface of ring channel (30) with the side of going up of connection pad (13) is in order to shield inlet port (15).

4. A removable multi-stage filter-dryer cartridge as claimed in claim 3, wherein: a top disc (33) is fixedly arranged in the filling cavity in the inner container shell (23), and the upper side surface of the top disc (33) is abutted against the lower filter disc (25) so that the central part of the lower filter disc (25) is sunken upwards.

5. A removable multi-stage filtration drying cartridge according to claim 4, wherein: the lower side face of the top disc (33) is concave, and cross-shaped protrusions are integrally formed at the concave part in the lower side face of the top disc (33).

6. A removable multi-stage filter-dryer cartridge as claimed in claim 3, wherein: the upper side surface of the filter cavity (12) is provided with a clamping ring (35) used for clamping the spring (34), and the clamping ring (35) is in interference fit with the spring (34).