CN220860943U - Double-filter-element mounting structure - Google Patents

Abstract

The utility model discloses a double-filter-element mounting structure which comprises a shell and an air blowing dust removing device, wherein the interior of the shell is divided into a first cavity for mounting a first filter element and a second cavity for mounting a second filter element, an air inlet channel is arranged on a partition piece, an air inlet part and an air outlet part are arranged on the shell, and an air blowing end of the air blowing dust removing device penetrates through the second filter element and extends towards the first cavity so as to blow and remove dust from the first filter element. According to the utility model, the two chambers which are connected in series are arranged in the shell, so that the filter elements in the two chambers can operate independently, the filtering effect is improved, the air blowing end of the air blowing dust removing device can penetrate through the second filter element to extend into the first filter element, the first filter element is directly subjected to dust removal, the blowing air quantity is effectively increased, the loss of the blowing air quantity is reduced, and the dust removing effect is improved; meanwhile, a sealing structure is arranged between the blowing dust removing device and the hollow cavity of the second filter element, so that dust is prevented from directly entering the external equipment from the hollow cavity of the second filter element, and the filtering effect is further improved.

Description

Double-filter-element mounting structure

Technical Field

The utility model relates to the technical field of filters, in particular to a double-filter-element mounting structure.

Background

Filters are used mainly in the field of pneumatic mechanisms, internal combustion engines, etc. and function to provide clean air to these machines in order to prevent them from sucking in air with foreign particles during operation and increasing the chances of abrasion and damage.

When the filter works, impurities in air are filtered out through the filter element in the filter, so that the air filtering effect is achieved. The filter is usually provided with a double-filter-element structure, so that the filtering effect is improved, and most of impurities can be deposited on the filter element in the filtering process, so that the filtering effect of the filter element is affected. In the prior art, a dust removal air tank is adopted to blow air into the filter element so as to achieve the purpose of dust removal. However, because the existing double-filter-element filter is formed by sleeving two filter elements together, the air blowing ends of the dust removing air tank are distributed between the two filter elements in a dispersed manner, so that the exhaust quantity of each air blowing port is reduced, and the dust removing effect is affected.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a tandem type double-filter-element mounting structure, which can improve the filtering effect, and the blowing end of a dust removal gas tank can directly extend into a main filter element to remove dust. Effectively improves the dust removal effect.

The technical problems solved by the utility model are realized by adopting the following technical scheme:

a double-filter element mounting structure comprises a shell and an air blowing dust removing device;

The inside of the shell is divided into a first cavity for installing a first filter element and a second cavity for installing a second filter element through a partition piece, the first cavity and the second cavity are sequentially distributed along the axial direction of the shell, an air inlet channel is arranged on the partition piece, and the air inlet channel is used for communicating an exhaust end of the first filter element with the second cavity;

The shell is provided with an air inlet part for external air to enter the first cavity and an air outlet part for communicating the air outlet end of the second filter element with external equipment;

The blowing end of the blowing dust removing device penetrates through the hollow cavity of the second filter element to extend towards the direction of the first cavity so as to remove dust in a blowing mode on the first filter element, and a sealing structure used for forming sealing between the air inlet channel and the hollow cavity of the second filter element is arranged between the blowing dust removing device and the second filter element.

Preferably, the sealing structure comprises a first guide cover arranged on the blowing dust removing device and a sealing ring arranged in a hollow cavity of the second filter element, and the sealing ring is in sealing contact with the first guide cover.

Preferably, a second air guide sleeve is arranged at the front end of the air blowing dust removing device extending to the first cavity, and the second air guide sleeve and the first air guide sleeve are axially distributed at intervals along the shell.

Preferably, the separator includes:

the support plate is provided with a through hole;

And the positioning ring is connected with the through hole, and the air inlet channel comprises a first channel formed on the positioning ring.

Preferably, the separator further comprises:

The locating ring is arranged on the support plate, the locating plate is arranged on the support plate, and the locating ring is arranged on the support plate.

Preferably, the blowing dust removing device comprises a gas storage cavity and a blowing assembly;

the gas storage cavity is arranged on the outer side of the second cavity in a surrounding mode;

the air blowing component is communicated with the air storage cavity and the air blowing end.

Preferably, the shell is further provided with an ash discharge port communicated with the first chamber.

Preferably, the housing further comprises an ash guiding portion arranged in the first cavity, and the ash guiding portion is axially arranged along the first filter element and is connected with the ash discharging port in a downward inclined mode.

Preferably, the housing includes a housing body hollow in the inside and open at least one end, and a cover detachably connected to the open end of the housing body, and the partition is detachably connected to the housing body.

Preferably, the housing comprises:

A first housing, the first chamber being disposed within the first housing;

the second shell is connected with one end of the first shell, and the second cavity is arranged in the second shell;

the partition is disposed within the second housing.

The utility model has the beneficial effects that:

Through setting up first cavity and second cavity in the casing about establishing ties, install first filter core and second filter core respectively, but two filter cores all independent operation like this, the air can filter through first filter core and second filter core in proper order, effectively improve filter effect, and blow dust collector can pass the second filter core and stretch into in the first filter core, directly blow the dust removal to first filter core, the jetting tolerance has been increaseed, the loss of jetting tolerance has been reduced, the dust removal effect is improved, and through setting up seal structure between dust collector and the second filter core, when blowing the dust removal to first filter core, can prevent again that the dust from directly getting into external equipment in the cavity of second filter core, further improve filter effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of a dual cartridge mounting structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another perspective view of FIG. 1;

FIG. 3 is a cross-sectional view of a dual cartridge mounting structure (cartridge mounted state) according to an embodiment of the present utility model;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is an enlarged view of part of A in FIG. 4;

FIG. 6 illustrates a first housing and cover separation configuration in a dual cartridge mounting configuration according to an embodiment of the present utility model;

Fig. 7 is a sectional view of a second housing (in a state where a cartridge is mounted) in the dual cartridge mounting structure of the embodiment of the present utility model;

Fig. 8 is a schematic perspective view of a separator in a dual cartridge mounting structure according to an embodiment of the present utility model.

Reference numerals

10-A housing; 110-a shell body; 11-a first housing; 111-a first chamber; 112-an air intake; 113-an ash discharge port; 114-an ash guiding part; 12-a second housing; 121-a second chamber; 122-an exhaust section; 123-an intake passage; 13-a separator; 131-supporting plates; 132-a positioning ring; 133-limiting plates; 14-an air storage cavity; 15-a cover; 151-positioning part;

20-an air blowing assembly; 21-a first pod;

30-a first cartridge;

40-a second cartridge; 41-sealing ring.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the subsequent figures.

It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The existing double-filter-element air filter adopts a structure that two filter elements are mutually sleeved, when the filter elements on the outer side are subjected to air blowing dust removal, the air blowing ends of the air blowing device are required to be dispersed into a plurality of gaps which are distributed between the two filter elements, so that the exhaust quantity of each air blowing end is reduced, and the dust removal effect is affected. In view of the above, the application provides a double-filter-element mounting structure, wherein a first cavity and a second cavity which are connected in series up and down are arranged in a shell, and a first filter element and a second filter element are respectively mounted, so that the two filter elements can work independently, air can be filtered through the first filter element and the second filter element in sequence, the filtering effect is effectively improved, and an air blowing dust removing device can penetrate through the second filter element and extend into the first filter element to directly blow and remove dust from the first filter element, the blowing air quantity is increased, the loss of the blowing air quantity is reduced, and the dust removing effect is improved.

Referring to fig. 1 to 8, the dual cartridge mounting structure includes a housing 10 and an air blowing dust removing device.

The inside of the shell 10 is divided into a first chamber 111 for mounting the first filter element 30 and a second chamber 121 for mounting the second filter element 40 by a partition piece 13, the first chamber 111 and the second chamber 121 are sequentially distributed along the axial direction of the shell 10, an air inlet channel 123 is arranged on the partition piece 13, and the air inlet channel 123 is used for communicating an air outlet end of the first filter element 30 and the second chamber 121.

The housing 10 is provided with an air inlet 112 for the outside air to enter the first chamber 111 and an air outlet 122 for communicating the air outlet end of the second cartridge 40 with the external device.

The air blowing end of the air blowing dust removing device extends toward the direction of the first chamber 111 through the hollow cavity of the second filter element 40 to perform air blowing dust removal on the first filter element 30, and a sealing structure for forming a seal between the air inlet channel 123 and the hollow cavity of the second filter element 40 is arranged between the air blowing dust removing device and the second filter element 40.

The housing 10 is used for mounting a filter element and a blowing dust removing device. The housing 10 may be a square or circular cylindrical structure that is hollow in the interior and open at least at one end.

The partition 13 serves to divide the interior of the housing 10 into two chambers. The partition 13 may be a partition plate, which may be fixed to an inner wall of the housing 10 by welding or snap-fitting to partition the housing 10 into the first chamber 111 and the second chamber 121.

The first chamber 111 may be used for installing the first filter element 30, the air inlet 112 may be an air inlet pipe disposed on a sidewall of the housing 10, the first filter element 30 may be a structure having a hollow cavity therein, a closed top end and an open bottom end, and the air inlet channel 123 is disposed in the middle of the partition 13 and corresponds to the hollow cavity of the first filter element 30, so that air filtered by the first filter element 30 smoothly enters the second chamber 121 through the air inlet channel 123.

The second chamber 121 may be used to mount the second cartridge 40, and the exhaust portion 122 may be an exhaust pipe provided at a bottom surface of the housing 10 remote from the first chamber 111 for connection with an external device, which may be an internal combustion engine. The second filter element 40 may have a hollow cavity therein, and both ends are open structures, so that the blowing end of the blowing dust removing device can conveniently pass through the hollow cavity of the second filter element 40, and air can enter from the top surface of the second filter element 40 and be discharged from the bottom surface.

The air blowing dust removing device is mainly used for blowing dust to the first filter element 30. The air inlet end of the air blowing dust removing device can be externally connected with an air tank, and the air blowing end penetrates through the hollow cavity of the second filter element 40 and extends towards the direction of the first chamber 111 so as to realize dust removing operation on the first filter element 30. And in order to prevent dust from entering the hollow cavity of the second filter element 40, a sealing structure for forming a seal between the air inlet channel 123 and the hollow cavity of the second filter element 40 is provided between the air blowing dust removing device and the second filter element 40.

In the technical solution of the present application, referring to fig. 4, after the external air enters from the air inlet portion 112, the air enters from the side of the first filter element 30, and then the air filtered by the first filter element 30 passes through the air inlet channel 123, enters from the top surface of the second filter element 40, passes through the second filter element 40, and then enters into the external device through the air outlet portion 122. In the structure, the two filter elements are arranged in series front and back, and can work independently, so that the filtering effect is improved; secondly, the middle part of the second filter element 40 is of a through structure, and the blowing end of the blowing dust removing device can directly penetrate through the second filter element 40 and extend into the first filter element 30 so as to blow the first filter element 30 for dust removal, and a sealing structure is arranged between the blowing dust removing device and the hollow cavity of the second filter element 40, so that the purpose of blowing dust removal on the first filter element 30 is achieved, dust can be prevented from directly entering external equipment from the hollow cavity of the second filter element 40, and the filtering effect is further improved.

It should be noted that, the first filter element 30 and the second filter element 40 may be of the same level, and the second filter element 40 is mainly used for safe filtration, and the second filter element 40 may have a filtration effect when the first filter element 30 is damaged or the filtration effect is weakened. Of course, the filtering effect of the second filter element 40 may be better than that of the first filter element 30, and the second filter element 40 performs the second filtering after the air is filtered by the first filter element 30, so as to improve the filtering effect.

Further, the second filter element 40 can adopt a filter element with a honeycomb structure, so that air can enter from the top surface of the second filter element 40 directly and is discharged from the bottom surface, and meanwhile, the whole structure of the device is more compact, the volume is smaller, and the subsequent installation is convenient.

As shown in fig. 3 and 4, an air flow channel communicating with the air exhaust portion 122 is formed between the air exhaust end of the second filter element 40 and the bottom surface of the second chamber 121, and the air flow channel may be a groove provided on the bottom surface of the second filter element 40. After passing through the second cartridge 40, the air passes through the air flow passage and enters the external device through the air discharge portion 122.

In some embodiments of the present application, as shown in fig. 5, the sealing structure may include a first pod 21 disposed on the air blast dust removing device and a sealing ring 41 disposed in the hollow cavity of the second filter cartridge 40, the sealing ring 41 being in sealing contact with the first pod 21 to seal the air blast dust removing device from the hollow cavity of the second filter cartridge 40, preventing dust from entering the external device from the hollow cavity of the second filter cartridge 40.

The first pod 21 may be a bell mouth gradually and radially opened from the air inlet end to the air outlet end of the second filter element 40, and the sealing ring 41 is adapted to the taper of the first pod 21, so as to improve the tightness between the air blowing dust removing device and the second filter element 40.

Further, a second air guide sleeve may be disposed at the front end of the air blowing dust removing device extending to the first chamber 111, and the second air guide sleeve and the first air guide sleeve 21 are axially spaced along the housing 10. Through two kuppe in tandem for the air that blowing dust collector blown out can blow to the upper portion and the lower part of first filter core 30 simultaneously, guarantees the dust removal effect.

In some embodiments of the present application, the blow dust extraction device may include a gas storage chamber 14 and a blow assembly 20. The air storage cavity 14 is arranged outside the second cavity 121 in a surrounding mode and is integrally formed with the second cavity 121, so that the first filter element 30 can be conveniently blown to remove dust at any time, the whole size of the device is effectively reduced, and the device is convenient to install and use. The air blowing assembly 20 may include an air intake duct communicating with the air storage chamber 14, an air exhaust duct communicating with the air blowing end, the air intake duct extending from the bottom surface of the housing 10 into the air storage chamber 14, and a control valve disposed between the air intake duct and the air exhaust duct, the air exhaust duct extending through the hollow chamber of the second filter cartridge 40 into the first chamber 111. The control valve may be disposed outside the housing 10 to facilitate maintenance and replacement of the control valve, and a sealing structure may be disposed between the exhaust conduit and the hollow cavity of the second cartridge 40.

Referring to fig. 8, in some embodiments of the present application, the spacer 13 may include a support plate 131 and a positioning ring 132. The supporting plate 131 may be tightly connected to the inner wall of the housing 10 by welding or clamping, a through hole corresponding to the hollow cavity of the first filter element 30 may be provided in the middle of the supporting plate 131, the positioning ring 132 may be fixed to the through hole by welding, and the air inlet channel 123 includes a first channel formed on the positioning ring 132. When installing first filter core 30, holding ring 132 can be used for the inner wall of butt at first filter core 30's cavity one end, not only can play the effect of location to first filter core 30, prevents when blowing subassembly 20 carries out the blowback dust removal that first filter core 30 takes place to shift, and holding ring 132 can also play sealed effect simultaneously, further seals backup pad 131 and first filter core 30 bottom, improves the filter effect.

Further, the partition 13 further includes a limiting plate 133 disposed at one end of the supporting plate 131 facing away from the positioning ring 132, the limiting plate 133 extends toward the second filter element 40, and the limiting plate 133 can be used to abut against the top surface of the second filter element 40, so that a second channel communicating with the first channel is formed between the supporting plate 131 and the top surface of the second filter element 40, and thus air filtered by the first filter element 30 enters from the top surface of the second filter element 40 after passing through the first channel and the second channel.

In some embodiments of the present application, an ash discharge port 113 may be provided in the housing 10 in communication with the first chamber 111 to facilitate the discharge of dust blown off the first filter element 30.

Further, the housing 10 further includes an ash guiding portion 114 disposed in the first chamber 111, and the ash guiding portion 114 is disposed along the axial direction of the first filter element 30 and is connected to the ash discharge port 113 in a downward inclined manner. The ash guiding part 114 may be an ash guiding plate axially disposed along the first filter element 30, and when the ash guiding part 114 is installed on an external device, the ash guiding part 114 is located below the first filter element 30, so that when the first filter element 30 is blown to remove dust, dust can fall on the ash guiding part 114 and be directly discharged from the ash discharging port 113 along the ash guiding part 114 without manual cleaning.

In some embodiments of the present application, referring to fig. 6, in order to facilitate the disassembly and assembly of the filter cartridge, the housing 10 may include a housing body 110 having a hollow interior and at least one open end, and a cover 15 detachably connected to the open end of the housing body 110.

Specifically, an end of the housing 10 away from the exhaust portion 122 is an open end, the cover 15 is connected to the open end, the cover 15 may be detachably connected to the housing 10 through a screw thread or a clamping structure, and the partition 13 may be detachably connected to the housing 10. When the filter element in the shell 10 needs to be replaced, the cover body 15 is detached, and then the first filter element 30, the partition piece 13 and the second filter element 40 are taken out in sequence for replacement, so that the filter is very convenient to use.

Further, the inner side surface of the cover body 15, which is close to the first chamber 111, may be provided with a positioning portion 151, and the positioning portion 151 may be a collar adapted to the outer diameter of the first filter element 30, and is used for being sleeved on the outer side of the first filter element 30, so as to limit and fix one end of the first filter element 30.

In some embodiments, the housing 10 may include a first housing 11 and a second housing 12 for ease of processing. The inside first cavity 111 that is equipped with of first casing 11 and both ends are uncovered, and lid 15 can be connected in the preceding uncovered department of first casing 11, and second casing 12 can be connected through the one end that lid 15 was kept away from to mode and first casing 11 such as welding, joint or bolt, and the inside of second casing 12 is equipped with second cavity 121 and gas storage chamber 14, and gas storage chamber 14 encircles in the second cavity 121 outside, and partition piece 13 sets up in the second cavity 121 to separate second cavity 121 and first cavity 111.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims (10)

1. The double-filter-element mounting structure is characterized by comprising a shell (10) and an air blowing dust removing device;

The inside of the shell (10) is divided into a first cavity (111) for installing a first filter element (30) and a second cavity (121) for installing a second filter element (40) through a partition piece (13), the first cavity (111) and the second cavity (121) are sequentially distributed along the axial direction of the shell (10), an air inlet channel (123) is arranged on the partition piece (13), and the air inlet channel (123) is used for communicating an air outlet end of the first filter element (30) with the second cavity (121);

An air inlet part (112) for allowing outside air to enter the first chamber (111) and an air outlet part (122) for communicating the air outlet end of the second filter element (40) with external equipment are arranged on the shell (10);

The blowing end of the blowing dust removing device penetrates through the hollow cavity of the second filter element (40) to extend towards the direction of the first cavity (111) so as to remove dust in a blowing mode on the first filter element (30), and a sealing structure used for forming sealing between the air inlet channel (123) and the hollow cavity of the second filter element (40) is arranged between the blowing dust removing device and the second filter element (40).

2. A dual cartridge mounting arrangement according to claim 1, wherein the sealing arrangement comprises a first pod (21) provided on the blow dust collector and a sealing ring (41) provided in the hollow cavity of the second cartridge (40), the sealing ring (41) being in sealing contact with the first pod (21).

3. A dual cartridge mounting structure according to claim 2, wherein the front end of the blow dust collector extending to the first chamber (111) is provided with a second pod, the second pod and the first pod (21) being axially spaced apart along the housing (10).

4. A dual cartridge mounting structure according to any one of claims 1 to 3, wherein the partition (13) comprises:

the support plate (131) is provided with a through hole;

And a positioning ring (132), wherein the positioning ring (132) is connected to the through hole, and the air inlet channel (123) comprises a first channel formed on the positioning ring (132).

5. A dual cartridge mounting structure according to claim 4, wherein the partition (13) further comprises:

The limiting plate (133) is arranged at one end, deviating from the locating ring (132), of the supporting plate (131), and the limiting plate (133) extends towards the direction of the second filter element (40), so that a second channel communicated with the first channel is formed between the supporting plate (131) and the top surface of the second filter element (40).

6. A dual cartridge mounting arrangement according to any one of claims 1 to3, wherein the blow dust removal means comprises a gas storage chamber (14) and a blow assembly (20);

the gas storage cavity (14) is arranged on the outer side of the second cavity (121) in a surrounding mode;

The blowing assembly (20) is communicated with the gas storage cavity (14) and the blowing end.

7. A dual cartridge mounting arrangement according to any one of claims 1 to 3, wherein the housing (10) is further provided with an ash discharge port (113) communicating with the first chamber (111).

8. A dual cartridge mounting arrangement according to claim 7, wherein the housing (10) further comprises a dust guide portion (114) disposed within the first chamber (111), the dust guide portion (114) being disposed axially along the first cartridge (30) and being downwardly inclined to connect the dust discharge port (113).

9. A dual cartridge mounting structure according to any one of claims 1 to 3, wherein the housing (10) includes a housing body (110) hollow in the interior and open at least at one end, and a cover (15) detachably attached to the open end of the housing body (110), and the partition (13) is detachably attached to the housing body (110).

10. A dual cartridge mounting arrangement according to claim 6, wherein the housing (10) comprises:

A first housing (11), wherein the first chamber (111) is provided in the first housing (11);

A second housing (12) connected to one end of the first housing (11), the second chamber (121) being provided in the second housing (12);

the partition (13) is disposed within the second housing (12).