CN217163630U - Gas filter - Google Patents
Gas filter Download PDFInfo
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- CN217163630U CN217163630U CN202220371220.5U CN202220371220U CN217163630U CN 217163630 U CN217163630 U CN 217163630U CN 202220371220 U CN202220371220 U CN 202220371220U CN 217163630 U CN217163630 U CN 217163630U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a gas filter, which comprises a cylinder body and a filtering mechanism; the air outlet pipe of the cylinder body is connected with a vertical pipe; the vertical pipe is fixed with a mounting plate, and the mounting plate is provided with a plurality of through holes; the filtering mechanism comprises a top pressure plate and a plurality of filtering components; each filtering component comprises a filter element, a bracing piece and a supporting piece; the fixed piece part of the supporting piece is fixed on the bottom surface of the top pressure plate, and a plurality of elastic pieces are formed on the fixed piece part; a filter assembly corresponds to a through hole on the mounting plate, and a supporting piece of the filter assembly is mounted on the through hole; the elastic piece of the supporting piece of the filtering component extends into the cylinder cavity of the filter element, the clamping hook part of the elastic piece is arranged on the inner cylinder wall of the filter element, and the clamping hook parts of the elastic pieces are all positioned below the convex ring of the filter element; the lower tube mouth of the filter element of the filter component is embedded and positioned with the upper part of the supporting piece; the elastic jacking piece on the top surface of the jacking plate is jacked by the end cover of the barrel. The utility model has the characteristics of the equipment is convenient, can improve maintainer's work efficiency etc greatly.
Description
Technical Field
The utility model relates to a gas transmission and distribution equipment technical field, especially a gas filter.
Background
The gas filter is widely used in the gas fields of metallurgy, chemical industry, petroleum, paper making, medicine, food, mining, electric power, city, family and the like. The fuel gas filter is an indispensable device on a medium conveying pipeline, is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a positioning valve or other equipment, and is used for eliminating impurities in fuel gas so as to protect the normal use of the valve and the equipment and reduce the maintenance cost of the equipment. In order to improve the quality of fuel gas filtration, a plurality of slender filter elements are installed in some existing fuel gas filters to filter the fuel gas. The filter element on the current gas filter is generally fixed through the matching of a screw and a nut, the nut needs to be screwed repeatedly in the fixing mode, and the filter element needs to be replaced or cleaned at intervals, so that the filter element is fixed through the thread matching, and the defects of inconvenient assembly, long maintenance time, low installation efficiency and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas filter, this gas filter have simple structure, reasonable in design, equipment convenience, can improve advantages such as maintainer's work efficiency greatly.
The technical scheme of the utility model is realized like this: a gas filter comprises a cylinder body and a filtering mechanism arranged in the cylinder body; an air inlet pipe communicated with the inner cavity of the barrel is arranged on one side of the barrel, an air outlet pipe is arranged on the other side of the barrel, one end of the air outlet pipe extends into the inner cavity of the barrel, the end part of the end, extending into the inner cavity of the barrel, of the air outlet pipe is connected with a vertical pipe, and a lower pipe opening of the vertical pipe is communicated with the air outlet pipe in a butt joint mode; a cylinder opening is formed on the top surface of the cylinder body, and an end cover is fixedly covered on the cylinder opening; the device is characterized in that an installation plate is fixedly covered on the upper pipe orifice of the vertical pipe, and a plurality of through holes for communicating the top surface and the bottom surface of the installation plate are distributed on the installation plate;
the filtering mechanism comprises a top pressure plate and a plurality of filtering components; each filtering component comprises a filter element, a bracing piece and a supporting piece; the supporting piece comprises a fixed piece part which is fixed on the bottom surface of the top pressure plate, a plurality of downward bent elastic pieces are formed at the peripheral edge of the fixed piece part, and the bottom end of each elastic piece is bent upwards to form a clamping hook part;
a filter assembly corresponds to a through hole on the mounting plate, a bearing piece of the filter assembly is mounted on the through hole, the upper part of the bearing piece is of a round table-shaped structure, and a through hole for communicating the top surface of the bearing piece with the vertical pipe is formed in the bearing piece;
the filter element of each filter assembly is of a cylindrical structure, and a convex ring protruding out of the inner cylinder wall of the filter element is formed on the edge of the upper cylinder opening of the filter element; an elastic piece of a supporting piece of the filtering component extends into a cylinder cavity of the filter element from an upper cylinder opening of the filter element, a clamping hook part of the supporting piece is arranged on the inner cylinder wall of the filter element in an overhead mode, and a clamping hook part of each supporting piece is located below a convex ring of the filter element; the lower cylinder opening of the filter element of the filter assembly is embedded and positioned with the upper part of the supporting piece, and the through hole of the supporting piece is communicated with the cylinder cavity of the filter element and the vertical pipe; the top surface of the top pressure plate is also provided with an elastic top pressure part, the middle part of the elastic top pressure part is arched towards the direction of the end cover, and the middle part of the elastic top pressure part is pressed by the end cover, so that the filter assembly is clamped and positioned by the cooperation of the top pressure plate and the mounting plate.
The utility model discloses a theory of operation: when the filter element is used, the filter element is taken out from the cylinder body if necessary, after the end cover is opened, because the elastic piece of the supporting piece of the filter assembly extends into the cylinder cavity of the filter element from the upper cylinder opening of the filter element, the clamping hook part of the supporting piece is arranged on the inner cylinder wall of the filter element, and the clamping hook part of each supporting piece is arranged below the convex ring of the filter element, the upper part of the filter element of each filter assembly is clamped by the clamping hook part of the supporting piece, so that the filter element of each filter assembly can be taken out simultaneously by only lifting the top pressure plate without dismounting the nut one by one, thereby greatly improving the working efficiency; in addition, when the filter element is remounted, the filter element can be firstly hung on the top pressure plate under the action of the supporting piece, then the top pressure plate is lifted and placed into the barrel body, the lower barrel mouth of the filter element of the filter assembly is aligned with the supporting piece, then the end cover is fixed on the barrel mouth of the barrel body, and the elastic top pressure piece is pressed by the end cover, so that the filter assembly is clamped and positioned by the top pressure plate and the mounting plate, the assembly process is very simple, and the labor intensity of workers is greatly reduced; in addition, the upper part of the supporting piece of each filtering assembly is designed into a circular truncated cone-shaped structure, so that the filter element is convenient to align, and most of dust falling from the surface of the filter element only falls down along the side surface of the supporting piece in the process of lifting the top pressure plate, so that a large amount of dust is prevented from falling into the air outlet pipe, and maintenance personnel can clean the air outlet pipe more conveniently.
Furthermore, 2 contraposition blocks which are arranged oppositely are formed on the wall of the inner cavity of the cylinder, 2 contraposition notches are formed on the top pressure plate, and the 2 contraposition notches on the top pressure plate and the 2 contraposition blocks are nested in a one-to-one correspondence mode.
The top surfaces of the alignment blocks are inclined planes which are gradually inclined downwards towards the central axis direction of the cylinder body.
Each filtering component further comprises a gasket and a fixing screw, the gasket is located below the fixing piece portion of the supporting piece, and one end of the fixing screw penetrates through the gasket and the fixing piece portion to be locked into the jacking plate.
The supporting pieces of the filtering components are all rubber pieces, clamping convex edges are formed on the outer edges of the bottom surfaces of the supporting pieces, the lower portions of the supporting pieces are embedded into the through holes of the mounting plates, and the clamping convex edges of the supporting pieces penetrate through the through holes to be clamped on the bottom surfaces of the mounting plates.
The utility model has the advantages that: the device has the advantages of simple structure, reasonable design, convenience in assembly, capability of greatly improving the working efficiency of maintenance personnel and the like.
Drawings
FIG. 1 is a schematic top view of the embodiment.
Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.
Fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.
Fig. 4 is an enlarged schematic structural view of a portion C in fig. 2.
Fig. 5 is a schematic cross-sectional view taken along the direction D-D in fig. 2.
Fig. 6 is a schematic top view of the top press plate in the embodiment.
Fig. 7 is a schematic bottom view of the top press plate in the embodiment (after the tightening member is installed).
Description of reference numerals: 1-a cylinder body; 11-a counterpoint block; 2-a filtering mechanism; 21-a top pressing plate; 211-elastic jacking member; 212-alignment notches; 22-a filter assembly; 23-a filter element; 231-a convex ring; 24-a fastener; 241-a fixed sheet part; 242-an elastic sheet; 243-hook part; 25-a support; 251-a through hole; 252-clamping the flange; 26-a gasket; 27-a set screw; 3, an air inlet pipe; 4-air outlet pipe; 5-a vertical tube; 6-end cover; 7-mounting a plate; 8-waste residue discharge pipe.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the gas filter of the present embodiment includes a cylinder 1 and a filter mechanism 2 disposed in the cylinder 1; an air inlet pipe 3 communicated with the inner cavity of the barrel 1 is arranged on one side of the barrel 1, an air outlet pipe 4 is arranged on the other side of the barrel 1, one end of the air outlet pipe 4 extends into the inner cavity of the barrel 1, the end part of the end, extending into the inner cavity of the barrel 1, of the air outlet pipe 4 is connected with a vertical pipe 5, and the lower pipe orifice of the vertical pipe 5 is communicated with the air outlet pipe 4 in a butt joint manner; a cylinder opening is formed on the top surface of the cylinder body 1, and an end cover 6 is fixedly covered on the cylinder opening; an installation plate 7 is fixedly covered on the upper pipe orifice of the vertical pipe 5, and a plurality of through holes for communicating the top surface and the bottom surface of the installation plate 7 are distributed on the installation plate 7;
the filtering mechanism 2 comprises a top pressure plate 21 and a plurality of filtering components 22; each filter assembly 22 comprises a filter element 23, a fastener 24 and a support member 25; the supporting piece 24 comprises a fixed piece part 241, the fixed piece part 241 is fixed on the bottom surface of the top pressure plate 21, a plurality of downward bent elastic pieces 242 are formed at the peripheral edge of the fixed piece part 241, and the bottom end of each elastic piece 242 is bent upwards to form a clamping hook part 243;
a filter component 22 corresponds to a through hole on the mounting plate 7, a supporting piece 25 of the filter component 22 is mounted on the through hole, the upper part of the supporting piece 25 is in a circular truncated cone-shaped structure, and a through hole 251 for communicating the top surface of the supporting piece 25 with the vertical pipe 5 is formed on the supporting piece 25;
the filter element 23 of each filter assembly 22 is a cylindrical structure, and a convex ring 231 protruding out of the inner cylinder wall of the filter element 23 is formed on the edge of the upper cylinder opening of the filter element 23; the elastic piece 242 of the bracing piece 24 of the filter assembly 22 extends into the cylinder cavity of the filter element 23 from the upper cylinder opening of the filter element 23, the hook part 243 of the bracing piece 24 is arranged on the inner cylinder wall of the filter element 23, and the hook part 243 of each bracing piece 24 is arranged below the convex ring 231 of the filter element 23; the lower cylinder mouth of the filter element 23 of the filter component 22 is embedded and positioned with the upper part of the supporting piece 25, and the through hole 251 of the supporting piece 25 is communicated with the cylinder cavity of the filter element 23 and the vertical pipe 5; an elastic jacking part 211 is further arranged on the top surface of the jacking plate 21, the middle part of the elastic jacking part 211 is arched towards the end cover 6, and the middle part of the elastic jacking part 211 is jacked by the end cover 6, so that the filter assembly 22 is clamped and positioned by the jacking plate 21 and the mounting plate 7 in a matching way. When the filter element 23 is taken out from the cylinder 1, after the end cover 6 is opened, because the elastic piece 242 of the support piece 24 of the filter assembly 22 extends into the cylinder cavity of the filter element 23 from the upper cylinder opening of the filter element 23, the hook part 243 of the support piece 24 is arranged on the inner cylinder wall of the filter element 23, and the hook part 243 of each support piece 24 is arranged below the convex ring 231 of the filter element 23, the upper part of the filter element 23 of each filter assembly 22 is supported and clamped by the hook part 243 of the support piece 24, so that the filter element 23 of each filter assembly 22 can be taken out at the same time by only lifting the top pressure plate 21, the nuts do not need to be disassembled one by one, and the working efficiency is greatly improved; in addition, when the filter element 23 is remounted, the filter element 23 can be firstly hung on the top pressure plate 21 under the action of the supporting piece 24, then the top pressure plate 21 is lifted and placed into the cylinder body 1, the lower cylinder opening of the filter element 23 of the filter assembly 22 is aligned with the supporting piece 25, then the end cover 6 is fixed on the cylinder opening of the cylinder body 1, the elastic top pressure piece 211 is pressed by the end cover 6, the filter assembly 22 can be clamped and positioned by the top pressure plate 21 and the mounting plate 7, the assembling process is very simple, and the labor intensity of workers is greatly reduced; in addition, the upper part of the supporting piece 25 of each filter assembly 22 is designed to be in a circular truncated cone-shaped structure, which is convenient for aligning the filter element 23 on one hand, and on the other hand, in the process of lifting the top pressure plate 21, most of dust falling from the surface of the filter element 23 only falls along the side surface of the supporting piece 25, so that a large amount of dust is prevented from falling into the air outlet pipe 4, and the cleaning of maintenance personnel is more convenient.
In order to make the structure of the gas filter more reasonable, as shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, 2 oppositely arranged aligning blocks 11 are formed on the inner cavity wall of the cylinder 1, and the top surfaces of the aligning blocks 11 are inclined planes which are gradually inclined downwards towards the central axis direction of the cylinder 1; the top pressure plate 21 is formed with 2 alignment notches 212, and the 2 alignment notches 212 on the top pressure plate 21 are nested with the 2 alignment blocks 11 in a one-to-one correspondence manner. When the filter element 23 is assembled, the lower cylinder mouth of the filter element can be accurately aligned with the supporting piece 25, and the assembly efficiency is greatly improved.
In order to make the installation structure of the fastening member 24 more reasonable, as shown in fig. 1, 2 and 3, each filter assembly 22 further includes a gasket 26 and a fixing screw 27, the gasket 26 is located below the fixing plate portion 241 of the fastening member 24, and one end of the fixing screw 27 is locked into the top press plate 21 through the gasket 26 and the fixing plate portion 241. With this configuration, when the top pressure plate 21 is lifted and the filter element 23 is taken out from the cylindrical body 1, the fixing piece portion 241 of the tightening member 24 is not deformed by the gravity of the filter element 23, and the structural strength is high.
In order to make the mounting structure of the supporting member 25 more reasonable, as shown in fig. 1, fig. 2 and fig. 4, the supporting member 25 of each filter assembly 22 is made of rubber, a clamping convex edge 252 is formed on the outer edge of the bottom surface of the supporting member 25, the lower portion of the supporting member 25 is embedded into the through hole of the mounting plate 7, and the clamping convex edge 252 of the supporting member 25 passes through the through hole and is clamped on the bottom surface of the mounting plate 7.
As shown in fig. 1, 2 and 3, the bottom surface of the protruding ring 231 is a tapered surface, so that the hook portion 243 of the tightening member 24 is clamped into the inner wall of the filter element 23 and the hook portion 243 of the tightening member 24 can be quickly separated from the filter element 23 under the action of an external force, and the structure of the gas filter is more reasonable.
In order to improve the filtering efficiency of the fuel gas, as shown in fig. 1 and 2, the axis of the inlet pipe 3 is coaxial with the axis of the outlet pipe 4.
In order to make the structure of the gas filter more reasonable, as shown in fig. 1 and 2, the bottom surface of the cylinder cavity of the cylinder body 1 is a concave surface, and a waste residue discharge pipe 8 communicated with the center of the bottom surface of the cylinder cavity is arranged on the bottom surface of the cylinder body 1.
Claims (8)
1. A gas filter comprises a cylinder body and a filtering mechanism arranged in the cylinder body; an air inlet pipe communicated with the inner cavity of the barrel is arranged on one side of the barrel, an air outlet pipe is arranged on the other side of the barrel, one end of the air outlet pipe extends into the inner cavity of the barrel, the end part of the end, extending into the inner cavity of the barrel, of the air outlet pipe is connected with a vertical pipe, and the lower pipe opening of the vertical pipe is communicated with the air outlet pipe in a butt joint mode; a cylinder opening is formed on the top surface of the cylinder body, and an end cover is fixedly covered on the cylinder opening; the method is characterized in that: the upper pipe orifice of the vertical pipe is covered and fixed with an installation plate, and the installation plate is provided with a plurality of through holes for communicating the top surface and the bottom surface of the installation plate;
the filtering mechanism comprises a top pressure plate and a plurality of filtering components; each filtering component comprises a filter element, a bracing piece and a supporting piece; the supporting piece comprises a fixed piece part which is fixed on the bottom surface of the top pressure plate, a plurality of downward bent elastic pieces are formed at the peripheral edge of the fixed piece part, and the bottom end of each elastic piece is bent upwards to form a clamping hook part;
a filter assembly corresponds to a through hole on the mounting plate, a bearing piece of the filter assembly is mounted on the through hole, the upper part of the bearing piece is of a round table-shaped structure, and a through hole for communicating the top surface of the bearing piece with the vertical pipe is formed in the bearing piece;
the filter element of each filter assembly is of a cylindrical structure, and a convex ring protruding out of the inner cylinder wall of the filter element is formed on the edge of the upper cylinder opening of the filter element; an elastic piece of a supporting piece of the filtering component extends into a cylinder cavity of the filter element from an upper cylinder opening of the filter element, a clamping hook part of the supporting piece is arranged on the inner cylinder wall of the filter element in an overhead mode, and a clamping hook part of each supporting piece is located below a convex ring of the filter element; the lower cylinder mouth of the filter element of the filter component is embedded and positioned with the upper part of the supporting piece, and the through hole of the supporting piece is communicated with the cylinder cavity of the filter element and the vertical pipe; the top surface of the top pressure plate is also provided with an elastic top pressure part, the middle part of the elastic top pressure part is arched towards the direction of the end cover, and the middle part of the elastic top pressure part is pressed by the end cover, so that the filter assembly is clamped and positioned by the cooperation of the top pressure plate and the mounting plate.
2. A gas filter according to claim 1, wherein: 2 contraposition blocks which are oppositely arranged are formed on the wall of the inner cavity of the cylinder body, 2 contraposition notches are formed on the top pressure plate, and the 2 contraposition notches on the top pressure plate are correspondingly nested with the 2 contraposition blocks one by one.
3. A gas filter according to claim 2, wherein: the top surfaces of the alignment blocks are inclined planes which are gradually inclined downwards towards the central axis direction of the cylinder body.
4. A gas filter according to claim 1, wherein: each filtering assembly further comprises a gasket and a fixing screw, the gasket is located below the fixing piece portion of the tightening piece, and one end of the fixing screw penetrates through the gasket and the fixing piece portion to be locked into the jacking plate.
5. A gas filter according to claim 1, wherein: the supporting pieces of the filtering components are all rubber pieces, clamping convex edges are formed on the outer edges of the bottom surfaces of the supporting pieces, the lower portions of the supporting pieces are embedded into the through holes of the mounting plates, and the clamping convex edges of the supporting pieces penetrate through the through holes to be clamped on the bottom surfaces of the mounting plates.
6. A gas filter according to claim 1, wherein: the bottom surface of the convex ring is a conical surface.
7. A gas filter according to claim 1, wherein: the axis of the air inlet pipe and the axis of the air outlet pipe are coaxially arranged.
8. A gas filter according to claim 1, wherein: the bottom surface of the cylinder cavity of the cylinder body is a concave surface, and a waste residue discharge pipe communicated with the center of the bottom surface of the cylinder cavity is arranged on the bottom surface of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371220.5U CN217163630U (en) | 2022-02-24 | 2022-02-24 | Gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371220.5U CN217163630U (en) | 2022-02-24 | 2022-02-24 | Gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217163630U true CN217163630U (en) | 2022-08-12 |
Family
ID=82740262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220371220.5U Active CN217163630U (en) | 2022-02-24 | 2022-02-24 | Gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217163630U (en) |
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2022
- 2022-02-24 CN CN202220371220.5U patent/CN217163630U/en active Active
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