CN107983042B - Improved quick-open filter - Google Patents
Improved quick-open filter Download PDFInfo
- Publication number
- CN107983042B CN107983042B CN201711447656.8A CN201711447656A CN107983042B CN 107983042 B CN107983042 B CN 107983042B CN 201711447656 A CN201711447656 A CN 201711447656A CN 107983042 B CN107983042 B CN 107983042B
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- China
- Prior art keywords
- flange
- sealing cover
- sealing
- cartridge
- filter
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 113
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 210000003781 tooth socket Anatomy 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
This patent concretely relates to improved generation quick-open filter includes the barrel at least, installs at barrel open-top's closing cap and hoop at the sealing washer of closing cap bottom, be equipped with first flange around closing cap upper portion, barrel open-top is equipped with the second flange with first flange looks adaptation, and the barrel is equipped with limit structure around the closing cap bottom, and closing cap bottom cooperation limit structure extrudes the sealing washer, makes the barrel sealed. When the filter is inflated, the generated pressure acts on the sealing ring and the sealing cover upwards, so that the sealing ring is extruded and deformed to realize self-tightening sealing, the first flange is upwards propped against the second flange to form locking, and the sealing cover is difficult to be rotated and taken out by manpower at the moment, so that maintenance workers are prevented from disassembling the sealing cover when gas is inflated; when the sealing cover is pulled out, the sealing ring can fall off from the bottom of the sealing cover, at the moment, the sealing cover is taken out, no interaction force exists between the sealing cover and the limiting structure, namely, the sealing cover is not blocked by friction force, the sealing cover can be conveniently taken out from the cylinder body, and the convenience of disassembly and assembly is improved.
Description
Technical Field
The patent relates to a filter, concretely relates to improved generation quick-open filter.
Background
The gas filter has the functions of filtering and purifying the gas in the gas transmission and distribution system, and creates better working conditions for precise equipment such as gas pressure regulation, metering and the like.
The gas pipeline is also rusted to different degrees after a certain amount of dust and other impurities are contained in the gas, so that the gas pipeline is rusted to a certain extent after many years of operation, the impurities have great influence on the safe and stable gas supply of a pipe network, a maintenance worker needs to frequently open a filter element for cleaning the filter element for ensuring the stable gas supply of pressure regulating equipment, the traditional gas filter is basically a flange bolt type filter, six or eight fixing bolts are usually arranged at a sealing cover, each fixing bolt needs to be unscrewed or screwed to open or close the filter, the work load is great, the actual maintenance time is twenty minutes, the process of only disassembling the filter needs more than one hundred minutes, the disassembly efficiency is greatly influenced, thousands of filters are usually arranged in one area, a great amount of manpower and time are consumed during maintenance, and meanwhile, the flange bolt type filter has serious potential safety hazards and is limited by sealing performance and structural strength, and is not suitable for the filter with higher pressure and larger cylinder diameter, and cannot meet the requirement of rapid development of gas industry; the other part of the quick-open natural gas filter can be used for quickly opening and closing the filter head, is quicker and easier than a flange bolt type filter in cleaning or replacing a filter element and other components, is suitable for occasions with larger nominal diameter and higher pressure or the need of frequent cleaning or replacing the filter element due to poorer gas quality, but most of the quick-open natural gas filters have the problems of uneven gap, unbalanced load, long assembly and disassembly time and the like.
The prior patent number ZL2007200559961 provides a gas filter, the toothed flange and the sealing cover are meshed with each other, so when the sealing cover is pulled out from the toothed flange, unless the force is properly controlled, a large friction force is formed between the toothed flange and the sealing cover, the sealing cover and the quick-start high neck jointly form compression on the O-shaped sealing ring to deform the O-shaped sealing ring, so that radial sealing is formed, the pressure in the cylinder body radially generates a large friction force when the sealing state is formed, and the toothed flange and the sealing cover are meshed with each other, so that a maintenance worker encounters a large resistance when the sealing cover is detached, the sealing cover is difficult to take out, and the distribution range of gas pipelines in a city is wide, therefore, the arrangement amount of the filter is large, the difficult detachment is likely to consume a large amount of manpower, and even the detachment is not timely possible to delay the gas consumption of users in the whole area.
Disclosure of Invention
In order to overcome the defects of the prior art, the patent provides an improved quick-open filter which is more convenient to assemble and disassemble.
Aiming at the technical problems, the patent solves the problems as follows: the utility model provides an improved generation quick-open filter, includes the barrel at least, installs at barrel open-top's closing cap and hoop at the sealing washer of closing cap bottom, be equipped with first flange around closing cap upper portion, barrel open-top is equipped with the second flange with first flange looks adaptation, and the barrel is equipped with limit structure around the closing cap bottom, and closing cap bottom cooperation limit structure extrudes the sealing washer, makes the barrel sealed.
This patent filter is when the installation, the notch that the first flange of closing cap formed through the second flange is laid down on limit structure, still further make first flange and second flange stack from top to bottom through rotatory closing cap, this patent is through closing cap bottom and limit structure cooperation to compress tightly the sealing washer, make the sealing washer warp, fill the gap between closing cap and the limit structure, thereby realize the sealing of filter barrel, because the sealing washer hoop is in the bottom of closing cap, when the filter is inflated, the pressure that produces upwards acts on sealing washer and closing cap, on the one hand makes the sealing washer extrusion deformation, realize self-tightening seal, on the other hand make first flange upwards compress tightly to the second flange, increase the frictional force between first flange and the second flange, form the locking, be difficult to follow the manual rotation and take out this moment, avoid maintenance workman to unpack the closing cap when gas is inflated, gas leakage accident appears, the security of operation has been guaranteed, compare in prior art with the sealing washer setting up in the recess, this patent filter is with the sealing washer hoop in the closing cap bottom, when taking out the closing cap, the sealing washer can follow closing cap bottom drops, take out and do not have the interaction force with limit structure to hinder, also not receive the frictional force between the closing cap, can be taken out conveniently in ten minutes from the time of taking out, the barrel has been convenient for total, the maintenance time has been taken out.
Further, the bottom of the sealing cover is provided with an inclined part which is contracted from top to bottom, the sealing ring is hooped on the inclined part, and the inclined part is matched with the limiting structure to jointly compress the sealing ring.
The structure that slope portion contracts downwards is more convenient for the sealing washer and passes through upward installation hoop in the closing cap bottom, and when the filter uses to aerify moreover, because the structure of slope for the sealing washer can receive radial outside atmospheric pressure, is favorable to further sealed barrel, and atmospheric pressure is upwards pushed up the sealing washer moreover, can prop the sealing washer more open, and the leakproofness is also better.
Further, the inclination angle of the inclined portion is 0 to 30 degrees, more preferably 1 to 10 degrees. If the inclination angle of the inclined part is too large, the inclined part is difficult to cooperate with the limiting structure to co-extrude the sealing ring to form sealing.
Further, the second flange forms a recess having a width greater than the width of the first flange.
When the sealing cover is installed, the sealing cover can be installed on the limiting structure from top to bottom through the notch formed by the first flange and the second flange which are matched, and then the sealing cover is rotated, so that the first flange is clamped below the second flange; when the sealing cover is disassembled and assembled, the sealing cover is rotated firstly, and the sealing cover can be pulled out upwards from the opening at the top of the cylinder body through the notch formed by the first flange and the second flange which are matched; because the notch width is greater than the first flange width, no matter installation and dismouting, the convenience of this patent is better.
Further, the recess width is at least one third greater than the first flange width. The larger the width of the notch is than the width of the clamping piece, the more convenient the disassembly and assembly are.
Further, the second flange is of a tooth-shaped structure surrounding the opening at the top of the cylinder body, and tooth grooves of the tooth-shaped structure are notches.
Further, the tooth structure includes more than two teeth.
It is only possible for more than two teeth to evenly distribute the upward forces of the first flange and the teeth.
Further, the tooth structure includes four teeth.
Four teeth of a cogwheel can better compromise pleasing to the eye and practicality, if the teeth of a cogwheel is too many, and the width of notch tends to be little, and the width of tooth's socket tends to be little promptly, and first flange is also more difficult to pass through, if the quantity of teeth of a cogwheel is too little, and is not pleasing to the eye enough, can lead to the teeth of a cogwheel width overlength moreover, and the angle that needs rotatory also is big during dismouting closing cap, and dismouting inefficiency.
Further, the barrel includes intake pipe, outlet duct, blow off pipe, filter core and filter core strutting arrangement, and intake pipe, outlet duct are installed in the barrel both sides respectively, and filter core strutting arrangement are installed inside the barrel, and the blow off pipe is installed in the barrel bottom.
Further, the filter element is fixed on the filter element supporting device through bolts, and a sealing gasket is arranged between the filter element and the filter element supporting device; the end part of the air outlet pipe in the cylinder body is provided with a turning joint, one end part of the turning joint is communicated with the air outlet pipe, the other end part of the turning joint is upward, and the filter element supporting device is arranged on the upward end part of the turning joint.
The beneficial effect of this patent lies in:
(1) The sealing mode of the sealing ring is improved, the sealing ring is hooped at the bottom of the sealing cover, so that the sealing cover is easier to take out, and the dismounting efficiency is accelerated;
(2) The bottom of the sealing cover is provided with an inclined part which is contracted from top to bottom, so that the sealing ring is convenient to install and the sealing effect is enhanced;
(3) The width of the notch is larger than that of the first flange, so that the first flange can easily pass through the notch, and the disassembly difficulty is further reduced.
Drawings
Fig. 1 is a longitudinal cross-sectional view of a filter.
Fig. 2 is a transverse cross-sectional view of the filter.
Fig. 3 is a transverse cross-sectional view of another state of the filter.
FIG. 4a is a cross-sectional view of a handle support
Fig. 4b front view of the handle support
Top view of handle support of fig. 4c
FIG. 5a handle top view
FIG. 5b front view of the handle
FIG. 6 is a cross-sectional view of a conical head
FIG. 7a is a cross-sectional view of a closure
FIG. 7b top view of the closure
FIG. 8a is a top cross-sectional view of the cartridge
FIG. 8b top view of the cartridge
Detailed Description
The present patent is described in detail below with reference to specific embodiments and accompanying drawings.
The improved quick-open filter shown in fig. 1 comprises a cylinder 2, a sealing cover 9 arranged at the top opening of the cylinder 2, a rotating device arranged on the sealing cover 9, a sealing ring 15 hooped at the bottom of the sealing cover 9, an air inlet pipe 14, an air outlet pipe 8, a drain pipe 12, a filter element 3 and a filter element supporting device 5, wherein the sealing ring 15 is an O-shaped rubber ring, and a limiting structure 23 (see fig. 1 and 8 a) is arranged around the bottom of the sealing cover 9 of the cylinder 2; the sealing cover 9 is matched with the limiting structure 23 to compress the sealing ring 15, so that the cylinder body is sealed. The air inlet pipe 14 and the air outlet pipe 8 are respectively horizontally arranged on two opposite sides of the cylinder 2, flanges 17 are arranged at two ends of the air inlet pipe 14 and the air outlet pipe 8, the filter element 3 and the filter element supporting device 5 are arranged inside the cylinder 2, the drain pipe 12 is arranged at the bottom of the cylinder 2, a drain valve is arranged on the drain pipe 12, and the drain valve is in a closed state and is opened when decontamination is needed. The filter element 3 is arranged on the filter element supporting device 5 through the bolt 4 and the top cover 16, and a sealing gasket 6 is arranged between the filter element 3 and the filter element supporting device 5. The turning device comprises a handle support 18, a handle 19, the handle support 18 and the handle 19 being mounted on the cover 9 by means of a pin 20 and a cotter pin 21, the handle support 18 being shown in fig. 4a, 4b and 4c, and the handle 19 being shown in fig. 5a, 5 b.
The end of the cylinder 2, on which the drain pipe 12 is arranged, is a conical end enclosure 11, and the included angle between the end surface of the conical end enclosure 11 and the axis of the cylinder 2 is preferably 60 degrees (see fig. 1 and 6).
The end part of the air outlet pipe 8 in the cylinder body 2 is provided with a turning joint 7, one end part of which is communicated with the air outlet pipe 8, the other end part of the turning joint 7 is upward, and the filter element supporting device 5 is arranged on the upward end part of the turning joint 7.
Natural gas entering from the air inlet pipe 14 enters a filter medium on the filter element 3 from the outer side of the filter element 3, passes through the inner cylinder of the filter element 3 and the turning joint 7 and is discharged from the air outlet pipe 8.
The periphery of the upper part of the sealing cover 9 is provided with a first flange 1, and the top opening of the cylinder 2 is provided with a second flange 13 matched with the first flange.
This patent compresses tightly sealing washer 15 through sealing washer 9 bottom and limit structure 23 cooperation, make sealing washer 15 warp, fill the gap between sealing washer 9 and limit structure 23, thereby realize the sealing of filter barrel 2, because sealing washer 15 hoop is in the bottom of sealing washer 9, when the filter is inflated, the pressure that produces upwards acts on sealing washer 15 and sealing washer 9, on the one hand makes sealing washer 15 extrusion deformation, realize self-tightening seal, on the other hand makes first flange 1 upwards compress tightly to second flange 13, increase the frictional force between first flange 1 and the second flange 13, form the locking, sealing washer 9 is difficult to lean on the manual rotation to take out this moment, avoid maintenance workman to unpack sealing washer 9 when the gas is inflated, the gas leakage accident appears, the security of operation has been guaranteed, compare in prior art with sealing washer 15 setting up in the recess, this patent filter is with sealing washer 15 hoop in sealing washer 9 bottom, when taking out 9, sealing washer 15 can drop from sealing washer 9 bottom, take out sealing washer 9 does not have the interact with limit structure 23 at this moment, also do not receive the interference of frictional force's obstruction, take out from sealing washer 9 can conveniently, ten minutes in the time of service time has been improved from barrel 2, the convenience of taking out, the time is convenient in the time of service.
The bottom of the cover 9 is provided with an inclined part 22 (see fig. 1 and 7 a) which is contracted from top to bottom, the sealing ring 15 is hooped on the inclined part 22, and the inclined part 22 is matched with a limiting structure 23 to jointly compress the sealing ring 15. The structure that slope portion 22 contracts downwards is more convenient for sealing washer 15 through installing the hoop upward in closing cap 9 bottom, and when the filter was used to aerify moreover, because the structure of slope for sealing washer 15 can receive radial outside atmospheric pressure, is favorable to further sealing barrel 2, and atmospheric pressure is upwards propped up sealing washer 15 moreover, can prop sealing washer 15 more open, and the leakproofness is also better.
The inclination angle of the inclined portion 22 is 0 to 30 degrees, more preferably, 1 to 10 degrees, as shown in the enlarged view of fig. 1, and this embodiment is specifically 6 degrees. If the inclination angle of the inclined portion 22 is too large, it is difficult to co-squeeze the seal ring 15 to form a seal in cooperation with the limit structure 23.
As shown in fig. 7b and fig. 8b, the second flange 13 is a toothed structure uniformly encircling the opening at the top of the cylinder 2, the tooth grooves of the toothed structure are notches, the first flange 1 is also a toothed structure uniformly encircling the periphery of the upper part of the sealing cover 9, the teeth of the first flange 1 are matched with the tooth grooves of the second flange 13, the central angle corresponding to the teeth of the first flange 1 is 40 °, the central angle corresponding to the tooth grooves of the second flange 13 is 50 °, more preferably, the teeth of the first flange 1 are at least one third larger than the width of the tooth grooves of the second flange 13, and the larger the width difference is, the more convenient the disassembly is.
The first flange 1 comprises four gear teeth.
Four teeth of a cogwheel can better compromise pleasing to the eye and practicality, if the teeth of a cogwheel is too many, and the width of notch tends to be little, and the width of tooth's socket tends to be little promptly, and first flange 1 is also more difficult to pass through, if the quantity of teeth of a cogwheel is too little, and is not pleasing to the eye enough, can lead to the teeth of a cogwheel width overlength moreover, and the angle that needs rotatory also is big during dismouting closing cap, and dismouting inefficiency.
When the sealing cover is installed, the sealing cover 9 can be installed on the limiting structure 23 from top to bottom through the tooth sockets of the first flange 1 and the tooth sockets of the second flange 13 which are matched, the state shown in fig. 2 is formed, and then the sealing cover 9 is rotated through the rotating handle 19, so that the tooth socket of the first flange 1 is clamped below the tooth socket of the second flange 13, and the state shown in fig. 3 is formed; when the sealing cover 9 is disassembled and assembled, the sealing cover 9 is rotated by rotating the handle 19, and the sealing cover 9 can be pulled out upwards from the opening at the top of the cylinder body 2 through the tooth sockets of the first flange 1 and the tooth sockets of the second flange 13 which are matched; because the tooth slot of the second flange 13 is wider than the width of the gear teeth of the first flange 1, the convenience of this patent is better regardless of installation and disassembly.
Claims (6)
1. The improved quick-open filter at least comprises a cylinder body, a sealing cover arranged at the top opening of the cylinder body and a sealing ring hooped at the bottom of the sealing cover, wherein a first flange is arranged around the upper part of the sealing cover; the second flange forms a recess having a width at least one third greater than the width of the first flange; the second flange is of a tooth-shaped structure surrounding the opening at the top of the cylinder body, tooth grooves of the tooth-shaped structure are notches, and the tooth-shaped structure comprises four gear teeth;
the bottom of the sealing cover is provided with an inclined part which is contracted from top to bottom, the sealing ring is hooped on the inclined part, and the inclined part is matched with the limiting structure to jointly compress the sealing ring; the inclination angle of the inclined portion is 1 to 10 degrees.
2. An improved quick-open filter as claimed in claim 1 wherein the inclined portion is inclined at an angle of 6 degrees.
3. An improved quick-open filter according to any one of claims 1 or 2 wherein the cartridge comprises an air inlet pipe, an air outlet pipe, a drain pipe, a filter element and a filter element support means, the air inlet pipe and the air outlet pipe being respectively mounted on both sides of the cartridge, the filter element and the filter element support means being mounted inside the cartridge, the drain pipe being mounted at the bottom of the cartridge.
4. An improved quick-open filter according to claim 3 wherein the end of the canister on which the drain is mounted is a conical head, the end face of the conical head being at an angle of 60 degrees to the axis of the canister.
5. An improved quick-open filter according to claim 3 wherein the outlet tube has a corner fitting at the end of the interior of the cartridge in which the outlet tube communicates.
6. An improved quick-open filter according to claim 3 wherein the filter cartridge is secured to the cartridge support means by bolts, and a gasket seal is provided between the cartridge and the cartridge support means; the end part of the air outlet pipe in the cylinder body is provided with a turning joint, one end part of the turning joint is communicated with the air outlet pipe, the other end part of the turning joint is upward, and the filter element supporting device is arranged on the upward end part of the turning joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447656.8A CN107983042B (en) | 2017-12-27 | 2017-12-27 | Improved quick-open filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447656.8A CN107983042B (en) | 2017-12-27 | 2017-12-27 | Improved quick-open filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983042A CN107983042A (en) | 2018-05-04 |
| CN107983042B true CN107983042B (en) | 2023-09-05 |
Family
ID=62042381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447656.8A Active CN107983042B (en) | 2017-12-27 | 2017-12-27 | Improved quick-open filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983042B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2827500Y (en) * | 2005-10-10 | 2006-10-18 | 李章文 | Filter cylinder of water purifier |
| CN201181010Y (en) * | 2007-08-24 | 2009-01-14 | 广州市煤气公司 | Novel gas filter |
| CN102842347A (en) * | 2012-10-08 | 2012-12-26 | 中国核工业华兴建设有限公司 | Special testing device for small measuring chamber of nuclear power plant reactor cavity |
| CN203797225U (en) * | 2014-03-04 | 2014-08-27 | 航天晨光股份有限公司 | Self-sealing low-friction rotation compensator |
| CN203948067U (en) * | 2014-06-16 | 2014-11-19 | 南京海亚石化机械有限公司 | Casing head syndeton |
| CN207786179U (en) * | 2017-12-27 | 2018-08-31 | 广州发展集团股份有限公司 | A kind of modified fast opening type filter |
-
2017
- 2017-12-27 CN CN201711447656.8A patent/CN107983042B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2827500Y (en) * | 2005-10-10 | 2006-10-18 | 李章文 | Filter cylinder of water purifier |
| CN201181010Y (en) * | 2007-08-24 | 2009-01-14 | 广州市煤气公司 | Novel gas filter |
| CN102842347A (en) * | 2012-10-08 | 2012-12-26 | 中国核工业华兴建设有限公司 | Special testing device for small measuring chamber of nuclear power plant reactor cavity |
| CN203797225U (en) * | 2014-03-04 | 2014-08-27 | 航天晨光股份有限公司 | Self-sealing low-friction rotation compensator |
| CN203948067U (en) * | 2014-06-16 | 2014-11-19 | 南京海亚石化机械有限公司 | Casing head syndeton |
| CN207786179U (en) * | 2017-12-27 | 2018-08-31 | 广州发展集团股份有限公司 | A kind of modified fast opening type filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107983042A (en) | 2018-05-04 |
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