CN213576226U - Filter quick-opening assembly and filter - Google Patents

Abstract

The utility model provides a subassembly and filter are opened soon to filter relates to filter technical field. The quick-opening assembly of the filter comprises a flange piece and a sealing cover, wherein the flange piece is provided with a flange opening; the sealing cover is in threaded fit connection with the flange opening, the sealing cover comprises a blind plate and a limiting part, the flange opening is provided with a fixed step, the blind plate is assembled on the fixed step, the limiting part is in threaded fit connection with the flange opening, and the blind plate is limited on the fixed step. The filter is provided with the filter quick-opening assembly, when the filter element needs to be replaced or cleaned, the sealing cover can be quickly detached from the flange of the filter, and after the filter element is replaced, the sealing cover and the flange of the filter can be quickly assembled.

Description

Filter quick-opening assembly and filter

Technical Field

The utility model relates to a filter technical field especially relates to a subassembly and filter are opened soon to filter.

Background

The gas is more and more high in the aspect of civil popularization and use rate, because can contain many impurity in the gas transportation process, so need install gas filter additional in gas pipeline, gas filter is in the use, because impurity in the gas filters the influence to the filter core, needs clearance or change filter core.

The existing filter adopts a flange and a sealing cover to be fastened and connected through bolts, and the bolts can corrode in daily work, so that the bolts can take a long time when being disassembled, and meanwhile, the fastening bolts for assembling the sealing cover after cleaning or replacing the filter element also take a long time, generally take about two hours or even longer time. Since the fastening method of the fastening bolt is not reasonable and the force is not balanced, the air leakage phenomenon is caused, so that the sealing cover needs to be disassembled and assembled again to fasten the bolt. The maintenance time is longer, the normal operation and the transportation of the fuel gas are influenced, and the difficulty is caused to the domestic gas of residents.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a first purpose provides a filter quick-open subassembly, can realize the flange of filter and the quick assembly disassembly of sealed lid, reduces the filter and changes or wash the time of filter core to the reduction is to the influence of gas transport and resident's life gas.

In order to solve the technical problem, the utility model discloses a second purpose provides a filter, installs the utility model discloses the filter subassembly that opens soon that the first purpose provided is applicable to the air supply system that air feed pressure is below 1.6MPa, when the filter need be changed or wash the filter core, can dismantle sealed lid from the flange of filter fast to after having changed the filter core, can accomplish the assembly with the flange of sealed lid and filter fast again.

In order to achieve the purpose, the utility model provides a filter quick-opening assembly, which comprises a flange piece and a sealing cover,

the flange piece comprises a flange opening;

the sealing cover is in threaded fit connection with the flange opening;

the sealing cover comprises a blind plate and a limiting part, the flange opening is provided with a fixed step, the blind plate is assembled on the fixed step, the limiting part is in threaded fit connection with the flange opening, and the blind plate is limited on the fixed step.

As a further improvement of the above technical solution:

the filter quick-opening assembly is characterized in that the limiting piece comprises a retainer ring, and at least two driving holes are formed in the upper surface of the retainer ring.

The filter quick-opening assembly further comprises a cover plate, and the cover plate is fixed on the lower surface of the retainer ring.

The filter quick-opening assembly further comprises a gasket, a positioning groove is formed in the fixing step, and the gasket is fixed in the positioning groove.

In the filter quick-opening assembly, the gasket is a rubber gasket.

The filter quick-opening assembly further comprises a dust cover, and the dust cover is detachably mounted on the sealing cover.

In the filter quick-opening assembly, the dust cover is fixed to the sealing cover through a bolt.

In the filter quick-opening assembly, a baffle is arranged at the outer edge of the dust cover.

To achieve the above object, the present invention also provides a filter, including:

the filter quick-opening assembly; and

the flange piece is arranged on a filter element mounting opening of the filter body.

The utility model has the advantages that:

the utility model provides a pair of filter subassembly that opens soon is applied to the filter of installing in the pipeline that pressure is less than 1.6MPa, including flange spare and sealed lid, the flange spare is equipped with the flange mouth, and sealed lid is connected with flange mouth screw-thread fit, and sealed lid includes blind plate and locating part, and the flange mouth is equipped with fixed step, and the blind plate assembles on fixed step, and the locating part is connected with flange mouth screw-thread fit, and is spacing on fixed step with the blind plate. The thread fit connection has the advantages of simple structure, convenient assembly and disassembly, good sealing performance and the like. Therefore, the flange piece of filter and the quick assembly disassembly of sealed lid can be realized, the time of filter change or washing filter core is reduced to reduce the influence to gas transport and resident's domestic gas.

The utility model also provides a filter, applied foretell filter quick-open subassembly, when the filter need be changed or wash the filter core, can dismantle sealed lid from the flange spare of filter fast to after having changed the filter core, can accomplish the assembly with the flange spare of sealed lid and filter fast again.

To sum up, the utility model discloses a filter quick-open subassembly and filter, it has above-mentioned a great deal of advantage and practical value to do not see in like product that there is similar method openly to publish or use and surely belong to the innovation, produced well-used and practical effect, the multiple efficiency that has the promotion than current technique, thereby comparatively be suitable for the practicality, and have extensive industrial value.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 illustrates a cross-sectional view of a filter quick-open assembly in accordance with an embodiment of the present invention;

FIG. 2 illustrates a top view of a filter quick-open assembly in accordance with an embodiment of the present invention;

figure 3 shows a cross-sectional view of a filter according to an embodiment of the invention;

fig. 4 shows a top view of a filter according to an embodiment of the invention.

Description of the main element symbols:

100-a flange member; 110-fixed step; 111-a positioning slot;

200-a sealing cover; 210-a blind plate; 220-a limit stop; 221-a retainer ring; 222-a drive aperture; 223-cover plate; 224-a nut;

300-a washer;

400-a dust cover; 410-a baffle; 420-bolt;

500-a filter body; 510-a cylinder body; 520-an air inlet pipe; 530-air outlet pipe; 540-differential pressure gauge; 550-pressure gauge mouth; 560-pollution discharge nozzle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of 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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more 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; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1, the present embodiment provides a filter quick-opening assembly, which is applied to an air supply pipeline with an air supply pressure not higher than 1.6MPa, the filter quick-opening assembly includes a flange piece 100 and a sealing cover 200, the flange piece 100 is provided with a flange opening, and the sealing cover 200 is in threaded fit connection with the flange opening.

In some embodiments, sealed lid 200 is connected with flange part 100 screw-thread fit, and screw-thread fit connects advantages such as have simple structure, easy dismounting, leakproofness are good, consequently, can realize the flange of filter and the quick assembly disassembly of sealed lid, reduces the filter and changes or wash the time of filter core to reduce the influence to gas transport and resident's domestic gas.

In some embodiments, the sealing cover 200 includes a blind plate 210 and a retaining member 220, the end of the flange member 100 is provided with a fixing step 110, the blind plate 210 is assembled on the fixing step 110, and the retaining member 220 is in threaded fit connection with the flange member 100 to retain the blind plate 210 on the fixing step 110. The blind plate 210 is placed on the fixing step 110 at the end of the flange member 100 to seal the opening of the flange and prevent the gas entering the filter from leaking from the opening of the flange, and the stopper 220 is connected with the flange member 100 in a threaded fit manner and limits the blind plate 210 to the fixing step 110 of the flange member 100 to complete the sealing of the flange member 100.

Further, the filter quick-opening assembly further comprises a gasket 300, a positioning groove 111 is formed in the fixing step 110, and the gasket 300 is fixed in the positioning groove 111. The gasket 300 is additionally arranged between the fixing step 110 of the flange piece 100 and the blind plate 210, so that the sealing effect between the flange piece 100 and the blind plate 210 is better, the risk of gas entering the filter leaking from the opening of the flange is further reduced, and the gasket 300 in the embodiment is a rubber gasket.

Further, in some embodiments, the limiting member 220 includes a retaining ring 221 and a cover plate 223, the cover plate 223 is fixed below the retaining ring 221, and the cover plate 223 is fixed below the retaining ring 221 in a sealing manner, so that the risk of leakage of the fuel gas entering the filter from the opening of the flange can be further reduced, and meanwhile, impurities such as dust in the external environment are prevented from entering the opening of the flange 100, and thus entering the filter, which affects the quality of the fuel gas.

In some embodiments, the retainer ring 221 has six driving holes 222, but it is understood that the retainer ring 221 may have other numbers of driving holes 222, and only two or more driving holes 222 are needed to satisfy the requirement of driving the retainer ring 221 to rotate, and the driving holes 222 are used to connect with a special wrench to drive the retainer ring 221 to rotate. Since the retainer ring 221 is screwed to the flange member 100, and the retainer ring 221 is annular, the drive hole 222 needs to be opened in the retainer ring 221. In the filter quick-opening assembly of the embodiment, six driving holes 222 are formed in the retainer ring 221, when the retainer ring 221 is disassembled and assembled, a special wrench is inserted into the six driving holes 222 of the retainer ring 221, and the wrench is wrenched to rotate, so that the retainer ring 221 is tightly connected with or separated from the flange, and the filter quick-opening assembly is opened and closed.

When the rubber gasket is used, the rubber gasket 300 is fixed in the positioning groove 111 of the flange part 100, the blind plate 210 is assembled on the fixed step 110, then, a special wrench is used for wrenching the retainer ring 221 through the driving hole 222 of the retainer ring 221 and screwing the retainer ring 221 into the flange opening, the blind plate 210 is limited on the fixed step 110, and the installation of the blind plate 210 and the retainer ring 221 is completed.

Example two

Referring to fig. 1 and fig. 2, the filter quick-opening assembly provided in the present embodiment is an improvement on the basis of the first embodiment, and compared with the filter quick-opening assembly provided in the first embodiment, the main differences are that:

referring specifically to fig. 2, in the present embodiment, the filter quick-opening assembly further includes a dust cover 400, and the dust cover 400 is detachably mounted on the sealing cover 200. The sealing cover 200 comprises a blind plate 210 and a limiting piece 220, a fixed step 110 is arranged at the end part of the flange piece 100, the blind plate 210 is assembled on the fixed step 110, the limiting piece 220 is in threaded fit connection with the flange piece 100, the blind plate 210 is limited on the fixed step, the limiting piece 220 comprises a retaining ring 221 and a cover plate 223, and the cover plate 223 is fixed below the retaining ring 221. The nut 224 is fixedly mounted on the cover plate 223, the dust cover 400 covers the opening of the flange member 100, and the dust cover 400 is cooperatively connected with the nut 224 mounted on the cover plate 223 through the bolt 420, so that the dust cover 400 is fixed to the flange member 100.

Further, a baffle 410 is disposed at an outer edge of the dust cover 400, referring to fig. 1, the baffle 410 is an arc-shaped structure, and the baffle 410 is just attached to an end of the opening of the flange 100, so as to enhance the dust-proof effect of the dust cover 400.

Of course, it is understood that the above-described baffle 410 is only one preferred structure, and the specific structure of the baffle 410 is not limited thereto, and further modifications or changes, such as L-shaped, may be made to achieve other embodiments. Since many possible ways are available, the description is omitted for brevity, and the baffle 410 only needs to cover the open end of the flange 100 to prevent dust and other impurities in the external environment from entering the filter.

During assembly, the rubber gasket 300 is fixed in the positioning groove 111 of the flange part 100, the blind plate 210 is assembled on the fixed step 110, then, a special wrench is used for pulling the retainer ring 221 through the driving hole 222 of the retainer ring 221 and screwing the retainer ring 221 into the flange opening, the blind plate 210 is limited on the fixed step 110, after the retainer ring 221 is assembled, the dust cover 400 is covered on the flange opening, and then the dust cover 400 is connected with the nut 224 arranged on the cover plate 223 through a bolt, so that the dust cover 400 is fixedly installed on the flange opening.

EXAMPLE III

Referring to fig. 3 and 4, a filter provided in the present embodiment includes: the filter quick-opening assembly provided in the first or second embodiment; and the filter body 500, the filter quick-opening assembly is arranged on the filter element mounting hole of the filter body 500.

In the filter provided by the embodiment, the filter body 500 includes the cylinder 510, the filter element is placed in the cylinder 510, the flange 100 of the quick-opening assembly of the filter provided by the first or second embodiment is welded to the end of the cylinder 510, when the filter element needs to be replaced or cleaned, the sealing cover 200 can be quickly detached from the flange 100 of the filter, and after the filter element is replaced, the sealing cover 200 can be quickly assembled with the flange 100 of the filter.

The filter provided by the embodiment further comprises an air inlet pipe 520 and an air outlet pipe 530, the air inlet pipe 520 is connected with an air inlet pipeline through a connecting piece, the air outlet pipe 530 is connected with the air outlet pipe through a connecting piece, differential pressure gauge nozzles 540 are respectively arranged on the air inlet pipe 520 and the air outlet pipe 530, a pressure gauge nozzle 550 is further arranged on the air outlet pipe 530, the differential pressure gauge is respectively connected with the differential pressure gauge nozzles 540 on the air inlet pipe 520 and the air outlet pipe 530 and used for measuring the pressure difference between the air inlet pipe 520 and the air outlet pipe 530, and the pressure gauge is connected with the pressure gauge nozzle 550 on the air outlet pipe 530.

When the filter is used, the filter provided by the embodiment is arranged on a gas pipeline, the gas inlet pipe 520 is connected with the gas inlet pipeline of the gas pipeline through a connecting piece, the gas outlet pipe 530 is connected with the gas outlet pipe of the gas pipeline through a connecting piece, the differential pressure gauge is respectively connected with the differential pressure gauge nozzle 540 on the gas inlet pipe 520 and the gas outlet pipe 530, and the differential pressure gauge is connected with the pressure gauge nozzle 550 on the gas outlet pipe 530.

The indication number of the differential pressure gauge is observed in real time, and when the indication number of the differential pressure gauge is greater than a set threshold value, it is proved that the filter element of the filter provided by the embodiment is seriously blocked and needs to be cleaned or replaced, the quick-opening assembly of the filter provided by the embodiment is opened, the filter element of the filter provided by the embodiment is cleaned or replaced, then the cleaned or replaced filter element is placed in the cylinder 510 of the filter provided by the embodiment, the blind plate 210 is timely assembled on the fixed step 110, the limiting member 220 is in threaded fit connection with the flange member 100, the blind plate 210 is limited on the fixed step 110, the limiting member 220 comprises a retainer ring 221 and a cover plate 223, and the cover plate 223 is fixed below the retainer ring 221. The nut 224 is fixedly mounted on the cover plate 223, the dust cover 400 covers the opening of the flange member 100, and the dust cover 400 is cooperatively connected with the nut 224 mounted on the cover plate 223 through the bolt 420, so that the dust cover 400 is fixed to the flange member 100.

The pressure gauge is connected with the pressure gauge nozzle 550 on the gas outlet pipe 530 and used for monitoring the gas pressure in the gas outlet pipeline in real time and avoiding the fault of the gas supply system caused by too large or too small gas pressure in the gas outlet pipeline.

In the filter provided by this embodiment, the bottom end of the cylinder 510 is further provided with the pollution discharge nozzle 560, the filter element of the filter provided by this embodiment filters impurities mixed in the gas of the gas inlet pipeline, smaller impurities are adsorbed on the filter element of the filter provided by this embodiment, larger impurities can fall into the cylinder 510 of the filter provided by this embodiment, and the pollution discharge nozzle 560 located at the bottom end of the cylinder 510 can timely clean the impurities falling into the cylinder 510 of the filter provided by this embodiment, so as to prevent the impurities falling into the cylinder 510 of the filter provided by this embodiment from blocking the gas pipeline.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. A quick-opening assembly of a filter is characterized by comprising a flange piece and a sealing cover,

the flange piece is provided with a flange opening;

the sealing cover is in threaded fit connection with the flange opening;

the sealing cover comprises a blind plate and a limiting part, the flange opening is provided with a fixed step, the blind plate is assembled on the fixed step, the limiting part is in threaded fit connection with the flange opening, and the blind plate is limited on the fixed step.

2. The filter quick-opening assembly of claim 1, wherein the retainer comprises a retainer ring having at least two drive holes in an upper surface thereof.

3. The filter quick-opening assembly according to claim 2, wherein the retainer further comprises a cover plate fixed to a lower surface of the retainer ring.

4. The filter quick-opening assembly according to claim 1, further comprising a gasket, wherein the retaining step is provided with a retaining groove, and the gasket is secured in the retaining groove.

5. The filter quick-open assembly of claim 4, wherein the gasket is a rubber gasket.

6. The filter quick-open assembly of claim 1, further comprising a dust cover removably mounted to the seal cap.

7. The filter quick-open assembly of claim 6, wherein the dust cap is secured to the seal cap by a bolt.

8. The filter quick-opening assembly of claim 6, wherein the dust guard has a skirt on an outer edge thereof.

9. A filter, comprising:

the filter quick-opening assembly of any one of claims 1-8; and

the flange piece is arranged on a filter element mounting opening of the filter body.

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