CN110529674A - A kind of air filter for buffering blast pipe and air inlet impact being slowed down - Google Patents
A kind of air filter for buffering blast pipe and air inlet impact being slowed down Download PDFInfo
- Publication number
- CN110529674A CN110529674A CN201910832996.5A CN201910832996A CN110529674A CN 110529674 A CN110529674 A CN 110529674A CN 201910832996 A CN201910832996 A CN 201910832996A CN 110529674 A CN110529674 A CN 110529674A
- Authority
- CN
- China
- Prior art keywords
- air
- tube
- blast pipe
- buffering
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
- F16L27/108—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with only one corrugation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of air filter, specifically a kind of buffering blast pipe and the air filter that can slow down air inlet impact, the described filter interior have installed buffering blast pipe additional, and it further includes screen pipe group that buffering blast pipe, which includes installing pipe and connecting tube,；The screen pipe group is removably mounted between the installing pipe and the connecting tube；The chimney filter group is made of outer tube and inner tube, and there are two the Buffer Units being symmetric for installation between outer tube and inner tube；Said inner tube is equipped with bellows；Air screen assemblies are installed inside said inner tube, and add buffer layer on the outside of the air sieve that air screen assemblies are equipped with.When exhausting enters, the opposite stretching of bellows cooperates the elastic buffer of Buffer Unit, and buffer layer is added on the outside of air sieve, the impact of air can be buffered, nor affect on normal filtration, and then improve service life, avoid directly impacting will cause filter screen damage.
Description
Technical field
The present invention relates to a kind of air filter, specifically a kind of buffering blast pipe and the air mistake that air inlet impact can be slowed down
Filter.
Background technique
Air is the necessary condition of tellurian animals and plants existence, and animal breath, photosynthesis of plant all be unable to do without air；
And for the high request high standard of air, being just pregnant with air filter in current production and living, in practice, in order to
The filter effect of air is improved, often flow velocity is all quickly, rigid in exhausting for the filter screen of conventional rigid connection for the air of suction
Into when, there are certain pressure difference in filtering, directly impact will cause filter screen damage.
Therefore, in order to overcome the problems, such as appeal, the present invention provides a kind of air for buffering blast pipe and can slowing down air inlet impact
Filter.
Summary of the invention
The purpose of the present invention is to provide a kind of buffering blast pipe and the air filter entered the wind and impacted can be slowed down, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of buffering blast pipe, including installing pipe and connecting tube, the described blast pipe further include screen pipe group；
The screen pipe group is removably mounted between the installing pipe and the connecting tube；
The impact of air inlet can be mitigated, the chimney filter group is made of outer tube and inner tube, and two are equipped between outer tube and inner tube
A Buffer Unit being symmetric；
And said inner tube is equipped with bellows；
And air screen assemblies are installed inside said inner tube, and add on the outside of the air sieve that air screen assemblies are equipped with
Equipped with buffer layer.
Specifically, when exhausting enters, the opposite stretching of bellows cooperates the elastic buffer and air of Buffer Unit
Buffer layer is added on the outside of sieve, the impact of air can be buffered, nor affects on normal filtration, and then improve and use the longevity
Life avoids directly impacting will cause filter screen damage.
Further embodiment of the present invention: the air screen assemblies are made of air sieve and outer fixed frame, and solid outside
Determine frame in a ring, the limit of air sieve is inside outer fixed frame and buffer layer is arranged between air sieve and outer fixed frame.
The present invention further scheme: the buffer layer is gasket ring in elasticity.
The present invention further scheme: said inner tube is equipped with two section bellowss, and adds between two section bellowss
Interior fixing pipe, air screen assemblies are mounted on inside interior fixing pipe, are connected with outboard tube on the outside of bellows；And said inner tube is worn
It is inserted in outer tube, outer tube cooperation Buffer Unit offers cavity.
The present invention further scheme: Buffer Unit is stated equipped with limited block, limited block is arranged on inner pipe, and limits
Block two sides are respectively fixed with an elastic component.
The present invention further scheme: the elastic component is made of spring and telescopic rod, and telescopic rod is interspersed in bullet
Inside spring.
The present invention further scheme: the installing pipe and connecting tube are connected by inner connection tube and external pipe thread
It connects, and inner connection tube is respectively arranged at outer tube both ends, and surface is equipped with screw thread.
The present invention further scheme: being equipped with the first fixed sleeving on the inside of the installing pipe, and the first fixed sleeving is logical
It crosses screw thread to connect with inner connection tube, and the first fixed sleeving is by being provided with gasket, Yi Jian between screw thread and inner connection tube
The first mounting flange is equipped on the outside of tubulature.
The present invention further scheme: being connect by the second fixed sleeving with inner connection tube on the inside of the connecting tube, and
The second connecting flange is equipped on the outside of connecting tube.
It is a further object to provide the air filters that one kind can slow down air inlet impact, in the described filter
Portion has installed the buffering blast pipe of above-mentioned record additional.
Compared with prior art, the beneficial effects of the present invention are:
When exhausting enters, the opposite stretching of bellows cooperates outside the elastic buffer and air sieve of Buffer Unit the present invention
Side adds buffer layer, can buffer to the impact of air, nor affect on normal filtration, and then improve service life, avoid
Directly impact will cause filter screen damage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the air filter that the present invention can slow down air inlet impact；
Fig. 2 is the horizontal cross-section structure diagram of screen pipe group in Fig. 1；
Fig. 3 is the structural schematic diagram of inner tube in Fig. 2；
Fig. 4 is the structural schematic diagram of the hollow air sifter screen component of Fig. 2.
In figure:
The first mounting flange of 1-；2- installing pipe；The first fixed sleeving of 3-；4- screen pipe group；The second fixed sleeving of 5-；6- connection
Pipe；The second connecting flange of 7-；8- inner connection tube；9- outer tube；10- cavity；11- Buffer Unit；12- air screen assemblies；In 13-
Pipe；
The outer fixed frame of 121-；122- buffer layer；123- air sieve；
131- outboard tube；132- bellows；133- limited block；Fixing pipe in 134-.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Air is the necessary condition of tellurian animals and plants existence, and animal breath, photosynthesis of plant all be unable to do without air；
And for the high request high standard of air, being just pregnant with air filter in current production and living, in practice, in order to
The filter effect of air is improved, often flow velocity is all quickly, rigid in exhausting for the filter screen of conventional rigid connection for the air of suction
Into when, there are certain pressure difference in filtering, directly impact will cause filter screen damage, therefore, in order to overcome the problems, such as appeal,
The present invention provides a kind of air filter for buffering blast pipe and can slowing down air inlet impact, please refers to Fig. 1-4 and embodiment 1-
3。
Embodiment 1
A kind of buffering blast pipe, as shown in Figure 1, including installing pipe 2 and connecting tube 6, the described blast pipe further includes screen pipe group
4；
The screen pipe group 4 is removably mounted between the installing pipe 2 and the connecting tube 6；
Fig. 2-4 is please referred to below:
In order to mitigate the impact of air inlet, the chimney filter group 4 is made of outer tube 9 and inner tube 13, between outer tube 9 and inner tube 13
There are two the Buffer Units 11 being symmetric for installation；
And said inner tube 13 is equipped with bellows 132；
And air screen assemblies 12 are installed inside said inner tube 13, and the air sieve that air screen assemblies 12 are equipped with
123 outsides add buffer layer 122.
Specifically, the opposite stretching of bellows 132 cooperates the elastic buffer of Buffer Unit 11 when exhausting enters, and
Buffer layer 122 is added on the outside of air sieve 123, the impact of air can be buffered, be nor affected on normal filtration, Jin Erti
High service life avoids directly impacting will cause filter screen damage.
Optimization, the air screen assemblies 12 are made of air sieve 123 and outer fixed frame 121, and outer fixed frame
121 in a ring, and the limit of air sieve 123 is inside outer fixed frame 121 and the setting of buffer layer 122 is in air sieve 123 and outside
Between fixed frame 121.
The buffer layer 122 is gasket ring in elasticity.
Optimization, said inner tube 13 is equipped with two section bellowss 132, and adds interior fixation between two section bellowss 132
Pipe 134, air screen assemblies 12 are mounted on inside interior fixing pipe 134, and outboard tube 131 is connected on the outside of bellows 132；And institute
It states inner tube 13 to be interspersed in inside outer tube 9,9 internal engagement Buffer Unit 11 of outer tube offers cavity 10.
Further, the Buffer Unit 11 is equipped with limited block 133, and limited block 133 is arranged in inner tube 13, and limits
133 two sides of block are respectively fixed with an elastic component.Optimization, the elastic component is made of spring and telescopic rod, and telescopic rod
It is interspersed in spring inner.
Embodiment 2
A kind of buffering blast pipe is provided in the embodiment of the present invention, what is specifically carried out on the basis of embodiment 1 is further
Restriction.
As depicted in figs. 1 and 2, the installing pipe 2 and connecting tube 6 are to be threadedly coupled by inner connection tube 8 with outer tube 9,
And inner connection tube 8 is respectively arranged at 9 both ends of outer tube, and surface is equipped with screw thread.
The first fixed sleeving 3 is equipped on the inside of the installing pipe 2, and the first fixed sleeving 3 is connected by screw thread and inner connection tube 8
It connects, and the first fixed sleeving 3 is equipped with first by being provided on the outside of gasket and installing pipe 2 between screw thread and inner connection tube 8
Mounting flange 1.
It is connect by the second fixed sleeving 5 with inner connection tube 8 on the inside of the connecting tube 6, and is equipped with second on the outside of connecting tube 6
Connecting flange 7.
Embodiment 3
The embodiment of the present invention is the restriction carried out on the basis of embodiment 1 and embodiment 2.
A kind of air filter slowing down air inlet impact, the described filter interior have installed above-described embodiment 1 and reality additional
Apply the buffering blast pipe recorded in example 2.
The working principle of the invention is: when exhausting enters, the opposite stretching of bellows 132, cooperation Buffer Unit 11
Buffer layer 122 is added on the outside of elastic buffer and air sieve 123, the impact of air can be buffered, be nor affected on just
Often filtering, and then improve service life, avoid directly impacting will cause filter screen damage.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (10)
1. a kind of buffering blast pipe, including installing pipe (2) and connecting tube (6), which is characterized in that the blast pipe further includes screen pipe
Group (4)；
The screen pipe group (4) is removably mounted between the installing pipe (2) and the connecting tube (6)；
The chimney filter group (4) is made of outer tube (9) and inner tube (13), and there are two be in for installation between outer tube (9) and inner tube (13)
Symmetrical Buffer Unit (11)；
And said inner tube (13) is equipped with bellows (132)；
And be equipped with air screen assemblies (12) inside said inner tube (13), and the sky that air screen assemblies (12) are equipped with
Buffer layer (122) are added on the outside of air sifter net (123).
2. a kind of buffering blast pipe according to claim 1, which is characterized in that the air screen assemblies (12) are by sky
Air sifter net (123) and outer fixed frame (121) composition, and outer fixed frame (121) is in a ring, and air sieve (123) limit is solid outside
Determine frame (121) inside and buffer layer (122) is arranged between air sieve (123) and outer fixed frame (121).
3. a kind of buffering blast pipe according to claim 2, which is characterized in that the buffer layer (122) is pad in elasticity
Ring.
4. a kind of buffering blast pipe according to claim 1, which is characterized in that said inner tube (13) is equipped with two section ripples
It manages (132), and adds interior fixing pipe (134) between two section bellowss (132), air screen assemblies (12) are mounted on interior fixation
(134) inside is managed, is connected with outboard tube (131) on the outside of bellows (132)；And said inner tube (13) is interspersed in outer tube (9)
Portion, outer tube (9) internal engagement Buffer Unit (11) offer cavity (10).
5. a kind of buffering blast pipe according to claim 1 or 4, which is characterized in that state Buffer Unit (11) and be equipped with limit
Position block (133), limited block (133) is arranged on inner tube (13), and limited block (133) two sides are respectively fixed with an elastic component.
6. a kind of buffering blast pipe according to claim 5, which is characterized in that the elastic component is by spring and telescopic rod
Composition, and telescopic rod is interspersed in spring inner.
7. a kind of buffering blast pipe according to claim 1, which is characterized in that the installing pipe (2) and connecting tube (6) are equal
Be be threadedly coupled by inner connection tube (8) with outer tube (9), and inner connection tube (8) is respectively arranged at outer tube (9) both ends, and
Surface is equipped with screw thread.
8. a kind of buffering blast pipe according to claim 7, which is characterized in that be equipped with first on the inside of the installing pipe (2)
Fixed sleeving (3), and the first fixed sleeving (3) is connect by screw thread with inner connection tube (8), and the first fixed sleeving (3) passes through
It is provided between screw thread and inner connection tube (8) on the outside of gasket and installing pipe (2) and is equipped with the first mounting flange (1).
9. a kind of buffering blast pipe according to claim 7, which is characterized in that pass through second on the inside of the connecting tube (6)
Fixed sleeving (5) is connect with inner connection tube (8), and is equipped with the second connecting flange (7) on the outside of connecting tube (6).
10. one kind can slow down the air filter of air inlet impact, which is characterized in that the described filter interior has installed above-mentioned power additional
Benefit requires any buffering blast pipe of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832996.5A CN110529674A (en) | 2019-09-04 | 2019-09-04 | A kind of air filter for buffering blast pipe and air inlet impact being slowed down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832996.5A CN110529674A (en) | 2019-09-04 | 2019-09-04 | A kind of air filter for buffering blast pipe and air inlet impact being slowed down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529674A true CN110529674A (en) | 2019-12-03 |
Family
ID=68666859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910832996.5A Pending CN110529674A (en) | 2019-09-04 | 2019-09-04 | A kind of air filter for buffering blast pipe and air inlet impact being slowed down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440606A (en) * | 2023-03-16 | 2023-07-18 | 中国人民解放军总医院第二医学中心 | A filter equipment for breathing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933811A (en) * | 2011-02-09 | 2013-02-13 | Boa巴尔格-康帕萨特伦技术有限公司 | Device for the purification of particle-laden gases |
| CN103438320A (en) * | 2013-08-23 | 2013-12-11 | 江苏博格东进管道设备有限公司 | Bi-direction balance type bellows compensator |
| CN104339484A (en) * | 2013-08-07 | 2015-02-11 | 昆山信万茂模具设计有限公司 | Runner mold with filtering device |
| CN206398210U (en) * | 2017-01-19 | 2017-08-11 | 无锡市湖阳塑胶制品有限公司 | A kind of telescoping tube |
| KR20180027812A (en) * | 2016-09-07 | 2018-03-15 | 이미호 | Rubber Expansion Joint |
| CN108144544A (en) * | 2017-12-26 | 2018-06-12 | 郑州诚合信息技术有限公司 | A kind of pellet blender dust-extraction unit |
-
2019
- 2019-09-04 CN CN201910832996.5A patent/CN110529674A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933811A (en) * | 2011-02-09 | 2013-02-13 | Boa巴尔格-康帕萨特伦技术有限公司 | Device for the purification of particle-laden gases |
| CN104339484A (en) * | 2013-08-07 | 2015-02-11 | 昆山信万茂模具设计有限公司 | Runner mold with filtering device |
| CN103438320A (en) * | 2013-08-23 | 2013-12-11 | 江苏博格东进管道设备有限公司 | Bi-direction balance type bellows compensator |
| KR20180027812A (en) * | 2016-09-07 | 2018-03-15 | 이미호 | Rubber Expansion Joint |
| CN206398210U (en) * | 2017-01-19 | 2017-08-11 | 无锡市湖阳塑胶制品有限公司 | A kind of telescoping tube |
| CN108144544A (en) * | 2017-12-26 | 2018-06-12 | 郑州诚合信息技术有限公司 | A kind of pellet blender dust-extraction unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440606A (en) * | 2023-03-16 | 2023-07-18 | 中国人民解放军总医院第二医学中心 | A filter equipment for breathing machine |
| CN116440606B (en) * | 2023-03-16 | 2024-02-27 | 中国人民解放军总医院第二医学中心 | A filter equipment for breathing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |