CN208018312U - A kind of automatic plugging two-stage filtering device of built-in Venturi tube - Google Patents
A kind of automatic plugging two-stage filtering device of built-in Venturi tube Download PDFInfo
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- CN208018312U CN208018312U CN201721594607.2U CN201721594607U CN208018312U CN 208018312 U CN208018312 U CN 208018312U CN 201721594607 U CN201721594607 U CN 201721594607U CN 208018312 U CN208018312 U CN 208018312U
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- filter
- venturi tube
- cylinder
- gas chamber
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Abstract
The utility model discloses a kind of automatic plugging two-stage filtering devices of built-in Venturi tube, including by-pass filtration cylinder I, secondary filtration cylinder II, Venturi tube, block plug and automatic plugging device, the Venturi tube is fixed in the middle part of demarcation strip, flow-guiding channel is set as inside Venturi tube, flow-guiding channel one end is connected to by-pass filtration gas chamber, and the other end is connected to secondary filtration gas chamber；The by-pass filtration gas chamber is arranged in by-pass filtration cylinder I, and by-pass filtration gas chamber from-inner-to-outer is disposed with by-pass filtration cylinder II, level-one longitudinal direction pleated filter and level-one transverse fold filter；The secondary filtration gas chamber connection is arranged in secondary filtration cylinder II, and secondary filtration gas chamber from-inner-to-outer is disposed with the longitudinal pleated filter of secondary filtration cylinder I, two and two level transverse fold filter；Realize the double-stage filtering processing to air；When filter element blocks, the connecting rod of automatic plugging device moves forward and blocks Venturi tube, convenient for reminding people to replace in time, clear up filter device.
Description
Technical field
The utility model is related to technical field of air purification, the automatic plugging twin-stage mistake of specifically a kind of built-in Venturi tube
Filter device.
Background technology
Air filter refers to air filter, is generally used for dust proof workshop, clean room, laboratory and toilet,
Or for the dust-proof of electric mechanical communication equipment etc., being divided into has primary filter, medium effeciency filter, high efficiency particulate air filter and Asia
Models, the various models such as efficient have different standard and effective utilization, but, existing air filter, in use,
It is filtered step by step by the multistorey strainer mesh on filter core, but the number of plies of strainer is limited and unidirectionally filters, filter fly is shorter, filtering layer
It is less, cause air filtration insufficient, successively increasing filter screen quantity will make filter core volume excessive.Therefore, it is necessary to one kind
The filter device of double-stage filtering substitutes existing filter core and uses.
Existing filter core will appear blocking after prolonged use, usually after filter core is completely plugged, could be sent out by people
It is existing, at this point, multistorey strainer mesh can not be cleared up to block completely in filter core, cause filter core that can not use.Therefore, a kind of energy is perhaps wanted
Enough filter devices that blocking initial stage progress self-plugging protection strainer occurs in filter core satisfy the use demand, convenient for reminding people in time
Filter core is cleared up or is replaced, avoid the occurrence of irremediable loss.
Utility model content
The purpose of this utility model is to provide a kind of automatic plugging two-stage filtering devices of built-in Venturi tube, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of automatic plugging two-stage filtering device of built-in Venturi tube, including by-pass filtration cylinder I, secondary filtration cylinder II,
Venturi tube blocks plug and automatic plugging device, and the Venturi tube is fixed in the middle part of demarcation strip, and water conservancy diversion is set as inside Venturi tube
Channel, flow-guiding channel one end are connected to by-pass filtration gas chamber, and the other end is connected to secondary filtration gas chamber；The by-pass filtration gas chamber
It is arranged in by-pass filtration cylinder I, by-pass filtration gas chamber from-inner-to-outer is disposed with by-pass filtration cylinder II, level-one longitudinal direction fold mistake
Filter and level-one transverse fold filter；The secondary filtration gas chamber connection is arranged in secondary filtration cylinder II, secondary filtration gas
Room from-inner-to-outer is disposed with the longitudinal pleated filter of secondary filtration cylinder I, two and two level transverse fold filter；The level-one
Closure plug is installed in filtering gas chamber, blocks plug connection automatic plugging device.
As further program of the utility model：In by-pass filtration cylinder I on the outside of the level-one transverse fold filter
It is set as filtering preceding gas chamber, I end of by-pass filtration cylinder connects air inlet pipe.
As further program of the utility model：The level-one transverse fold filter, level-one longitudinal direction pleated filter
Connect with demarcation strip with one end of by-pass filtration cylinder II, the other end is fixed on end-plate I, on end-plate I through be fixed with into
Airway, air induction conduit one end are connected to gas chamber before filter, and the other end is connected to even air cavity, and even air cavity setting is in I outside of end-plate
By-pass filtration cylinder I in.
As further program of the utility model：In secondary filtration cylinder II on the outside of the two level transverse fold filter
It is set as filter rear gas chamber, II end of secondary filtration cylinder connects exhaust pipe.
As further program of the utility model：The longitudinal pleated filter of the secondary filtration cylinder II, two and two level are horizontal
It is connect to pleated filter one end with demarcation strip, the other end is fixed on end-plate II, runs through being fixed with outlet on end-plate II
Conduit, outtake tube one end are connected to filter rear gas chamber, and the other end is connected to air collecting chamber, and air collecting chamber is arranged in II outside of end-plate
In secondary filtration cylinder II.
As further program of the utility model：The level-one transverse fold filter, level-one longitudinal direction pleated filter,
The aperture of the longitudinal pleated filter of by-pass filtration cylinder II, secondary filtration cylinder I, two and two level transverse fold filter reduces step by step.
As further program of the utility model：The automatic plugging device is by connecting rod, spring strut, piston cylinder, spring, work
Filling in gentle pressure sensitivity answers mouth to form, and the closure plug is fixed on connecting rod one end and is arranged in front of the nozzle of Venturi tube, the company
The bar other end is threaded through in spring strut and piston cylinder and is connect with piston, and piston is movably arranged in piston cylinder.
As further program of the utility model：The piston cylinder outer end be equipped with air pressure incude mouth, air pressure incude mouth with
Even air cavity is connected to, and spring is arranged on the connecting rod in the spring strut.
As further program of the utility model：Under original state, under spring force effect, piston, connecting rod and envelope
It blocks to one Slideslip of air inlet pipe, blocks nozzle of the plug far from Venturi tube.
Compared with prior art, the utility model has the beneficial effects that：
1, the automatic plugging two-stage filtering device of a kind of built-in Venturi tube, dust laden air is entered even by air inlet pipe
Then air cavity enters the preceding gas chamber of filter by air induction conduit, and passes through level-one transverse fold filter, level-one longitudinal direction corrugated filter successively
The longitudinal pleated filter of device, by-pass filtration cylinder II and secondary filtration cylinder I, two, two level transverse fold filter filtering under purify,
Purified air enters air collecting chamber from filter rear gas chamber across outtake tube, and is discharged from exhaust pipe, and flow-guiding channel has fine
Guide functions；The above process realizes the double-stage filtering processing to air.
2, dust blocks level-one transverse fold filter, level-one longitudinal direction pleated filter, by-pass filtration cylinder II, secondary filtration
The longitudinal pleated filter of cylinder I, two and two level transverse fold filter, reduce so as to cause the rate of filtration of air, lead to air inlet
In the case of managing same conveying capacity, the air pressure of even air cavity gradually increases, and piston is along piston cylinder forward slip and compressed spring, connecting rod
Venturi tube is moved forward and is blocked, flow-guiding channel is made to block, is filtered to make air inlet pipe that can not continue conveying air,
Therefore, longitudinal to level-one transverse fold filter, level-one longitudinal direction pleated filter, by-pass filtration cylinder II, secondary filtration cylinder I, two
Pleated filter and two level transverse fold filter are protected, and are avoided serious accumulated plugging and can not be learnt, convenient for reminding people
In time replace, cleaning filter device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of automatic plugging device in the utility model.
Fig. 3 is the structural schematic diagram of transverse fold filter in the utility model.
In figure：1- air inlet pipe, 2- by-pass filtrations cylinder I, 3- end-plates I, 4- level-one transverse folds filter, 5- level-ones are longitudinal
The longitudinal pleated filter of pleated filter, 6- by-pass filtrations cylinder II, 7- secondary filtrations cylinder I, 8- bis-, the filtering of 9- two level transverse folds
Device, 10- end-plates II, 11- secondary filtrations cylinder II, 12- exhaust pipes, 13- air collecting chambers, 14- outtake tubes, 15- filter rear gas chamber,
16- secondary filtrations gas chamber, 17- Venturi tubes, 18- bolts, 19- demarcation strips, 20- flow-guiding channels, 21- block plug, 22- level-ones
Filter gas chamber, 23- filter before gas chamber, 24- air induction conduits, the even air cavitys of 25-, 26- automatic pluggings device, 27- connecting rods, 28- spring struts,
29- piston cylinders, 30- springs, 31- pistons, 32- air pressures incude mouth.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the utility model embodiment, a kind of automatic plugging double-stage filtering dress of built-in Venturi tube
It sets, including by-pass filtration cylinder I 2, secondary filtration cylinder II 11, Venturi tube 17, closure plug 21 and automatic plugging device 26, the text mound
In pipe 17 be fixed on the middle part of demarcation strip 19, flow-guiding channel 20,20 one end of flow-guiding channel and level-one mistake are set as inside Venturi tube 17
Air filtration room 22 is connected to, and the other end is connected to secondary filtration gas chamber 16.
The by-pass filtration gas chamber 22 is arranged in by-pass filtration cylinder I 2, and 22 from-inner-to-outer of by-pass filtration gas chamber is set gradually
There are by-pass filtration cylinder II 6, level-one longitudinal direction pleated filter 5 and level-one transverse fold filter 4, the level-one transverse fold filtering
It is set as gas chamber 23 before filtering, the level-one transverse fold filter 4, level-one longitudinal direction fold mistake in the by-pass filtration cylinder I 2 in 4 outside of device
One end of filter 5 and by-pass filtration cylinder II 6 is connect with demarcation strip 19, and the other end is fixed on end-plate I 3, is passed through on end-plate I 3
It wears and is fixed with air induction conduit 24,24 one end of air induction conduit is connected to gas chamber 23 before filter, and the other end is connected to even air cavity 25, even air cavity
25 are arranged in the by-pass filtration cylinder I 2 in I 3 outside of end-plate, and I 2 end of by-pass filtration cylinder connects air inlet pipe 1.
The secondary filtration gas chamber 16 connection is arranged in secondary filtration cylinder II 11,16 from-inner-to-outer of secondary filtration gas chamber according to
It is secondary to be provided with the longitudinal pleated filter 8 of secondary filtration cylinder I 7, two and two level transverse fold filter 9, the two level transverse fold
Filter rear gas chamber 15, the longitudinal pleated filter of the secondary filtration cylinder I 7, two are set as in the secondary filtration cylinder II 11 in 9 outside of filter
8 and 9 one end of two level transverse fold filter connect with demarcation strip 19, the other end is fixed on end-plate II 10, end-plate II 10
Above through outtake tube 14 is fixed with, 14 one end of outtake tube is connected to filter rear gas chamber 15, and the other end is connected to air collecting chamber 13, collection
Air cavity 13 is arranged in the secondary filtration cylinder II 11 in II 10 outside of end-plate, and II 11 end of secondary filtration cylinder connects exhaust pipe 12.
The level-one transverse fold filter 4, level-one longitudinal direction pleated filter 5, by-pass filtration cylinder II 6, secondary filtration cylinder I
7, the aperture of two longitudinal pleated filters 8 and two level transverse fold filter 9 reduces step by step, convenient to be filtered step by step to air only
Change.
Closure plug 21 is installed in the by-pass filtration gas chamber 22, blocks 21 connection automatic plugging device 26 of plug, automatic plugging
Device 26 answers mouth 32 to form by connecting rod 27, spring strut 28, piston cylinder 29, spring 30,31 gentle pressure sensitivity of piston, and the closure plug 21 is solid
It is scheduled on 27 one end of connecting rod and is arranged in front of the nozzle of Venturi tube 17,27 other end of the connecting rod is threaded through spring strut 28 and lives
It is connect in plug tube 29 and with piston 31, piston 31 is movably arranged in piston cylinder 29, and 29 outer end of piston cylinder is equipped with air pressure and incudes mouth
32, air pressure induction mouth 32 is connected to even air cavity 25, and spring 30, original state are arranged on the connecting rod 27 in the spring strut 28
Under, under the effect of 30 elastic force of spring, piston 31, connecting rod 27 and closure plug 21 block plug 21 far from literary to 1 one Slideslip of air inlet pipe
The nozzle of venturi 17 avoids closure plug 21 from blocking Venturi tube 17.
The operation principle of the utility model is：
Dust laden air enters even air cavity 25 by air inlet pipe 1, then enters the preceding gas chamber 23 of filter by air induction conduit 24, and pass through successively
It is longitudinal to cross level-one transverse fold filter 4, level-one longitudinal direction pleated filter 5, by-pass filtration cylinder II 6 and secondary filtration cylinder I 7, two
Pleated filter 8, two level transverse fold filter 9 filtering under purify, purified air from filter rear gas chamber 15 pass through outlet
Conduit 14 enters air collecting chamber 13, and is discharged from exhaust pipe 12, and flow-guiding channel 20 has good guide functions；The above process is realized
The double-stage filtering of air is handled.
In the long-term use, dust blocks level-one transverse fold filter 4, level-one longitudinal direction pleated filter 5, level-one
The longitudinal pleated filter 8 of cartridge filter II 6, secondary filtration cylinder I 7, two and two level transverse fold filter 9, so as to cause air
The rate of filtration reduces, and in the case of leading to 1 same conveying capacity of air inlet pipe, the air pressure of even air cavity 25 gradually increases, and piston 31 is along work
29 forward slip of plug tube and compressed spring 30, connecting rod 27 move forward and block Venturi tube 17, and flow-guiding channel 20 is made to block,
It is filtered to make air inlet pipe 1 that can not continue conveying air, therefore, to level-one transverse fold filter 4, level-one longitudinal direction fold
The longitudinal pleated filter 8 of filter 5, by-pass filtration cylinder II 6, secondary filtration cylinder I 7, two and two level transverse fold filter 9 into
Row protection, avoids serious accumulated plugging and can not learn, convenient for reminding people to replace in time, clear up filter device.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing performing creative labour can be special to some of which technology
Sign makes some simple modification, equivalent change and modifications, is all within the scope of the technical scheme of the utility model.
In the description of this specification, it should be noted that unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (9)
1. a kind of automatic plugging two-stage filtering device of built-in Venturi tube, including by-pass filtration cylinder I (2), secondary filtration cylinder II
(11), Venturi tube (17), closure plug (21) and automatic plugging device (26), which is characterized in that the Venturi tube (17) is fixed
In the middle part of demarcation strip (19), flow-guiding channel (20), flow-guiding channel (20) one end and by-pass filtration are set as inside Venturi tube (17)
Gas chamber (22) is connected to, and the other end is connected to secondary filtration gas chamber (16)；The by-pass filtration gas chamber (22) is arranged in by-pass filtration
In I (2) of cylinder, by-pass filtration gas chamber (22) from-inner-to-outer is disposed with by-pass filtration cylinder II (6), level-one longitudinal direction pleated filter
(5) and level-one transverse fold filter (4)；Secondary filtration gas chamber (16) the connection setting is interior in secondary filtration cylinder II (11),
It is horizontal that secondary filtration gas chamber (16) from-inner-to-outer is disposed with secondary filtration cylinder I (7), two longitudinal pleated filters (8) and two level
To pleated filter (9)；Closure plug (21) is installed in the by-pass filtration gas chamber (22), plug (21) is blocked and connects automatic plugging
Device (26).
2. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 1, which is characterized in that institute
It states and is set as filtering preceding gas chamber (23), by-pass filtration cylinder I (2) in the by-pass filtration cylinder I (2) on the outside of level-one transverse fold filter (4)
End connects air inlet pipe (1).
3. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 2, which is characterized in that institute
State one end and the demarcation strip of level-one transverse fold filter (4), level-one longitudinal direction pleated filter (5) and by-pass filtration cylinder II (6)
(19) it connects, the other end is fixed on end-plate I (3), runs through being fixed with air induction conduit (24), air induction conduit on end-plate I (3)
(24) one end is connected to gas chamber (23) before filter, and the other end is connected to even air cavity (25), and even air cavity (25) is arranged in end-plate I (3)
In the by-pass filtration cylinder I (2) in outside.
4. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 1, which is characterized in that institute
It states and is set as filter rear gas chamber (15), the secondary filtration in the secondary filtration cylinder II (11) on the outside of two level transverse fold filter (9)
Cylinder II (11) end connection exhaust pipe (12).
5. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 4, which is characterized in that institute
State secondary filtration cylinder I (7), two longitudinal pleated filters (8) and two level transverse fold filter (9) one end and demarcation strip (19) even
It connects, the other end is fixed on end-plate II (10), runs through being fixed with outtake tube (14), outtake tube on end-plate II (10)
(14) one end is connected to filter rear gas chamber (15), and the other end is connected to air collecting chamber (13), and air collecting chamber (13) is arranged in end-plate II
(10) in the secondary filtration cylinder II (11) on the outside of.
6. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 1, which is characterized in that institute
State level-one transverse fold filter (4), level-one longitudinal direction pleated filter (5), by-pass filtration cylinder II (6), secondary filtration cylinder I (7),
The aperture of two longitudinal pleated filters (8) and two level transverse fold filter (9) reduces step by step.
7. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 1, which is characterized in that institute
Automatic plugging device (26) is stated to be answered by connecting rod (27), spring strut (28), piston cylinder (29), spring (30), piston (31) gentle pressure sensitivity
Mouth (32) composition, the plug (21) that blocks are fixed on connecting rod (27) one end and are arranged in the nozzle front of Venturi tube (17), institute
It states connecting rod (27) other end to be threaded through in spring strut (28) and piston cylinder (29) and connect with piston (31), piston (31) activity is set
It sets in piston cylinder (29).
8. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 7, which is characterized in that institute
Piston cylinder (29) outer end is stated equipped with air pressure induction mouth (32), air pressure induction mouth (32) is connected to even air cavity (25), the spring strut
(28) spring (30) is arranged on the connecting rod (27) in.
9. a kind of automatic plugging two-stage filtering device of built-in Venturi tube according to claim 8, which is characterized in that just
Under beginning state, under the effect of spring (30) elastic force, piston (31), connecting rod (27) and closure plug (21) break away to air inlet pipe (1) one
It is dynamic, block nozzle of the plug (21) far from Venturi tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594607.2U CN208018312U (en) | 2017-11-25 | 2017-11-25 | A kind of automatic plugging two-stage filtering device of built-in Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594607.2U CN208018312U (en) | 2017-11-25 | 2017-11-25 | A kind of automatic plugging two-stage filtering device of built-in Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208018312U true CN208018312U (en) | 2018-10-30 |
Family
ID=63896948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721594607.2U Expired - Fee Related CN208018312U (en) | 2017-11-25 | 2017-11-25 | A kind of automatic plugging two-stage filtering device of built-in Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208018312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875746A (en) * | 2017-11-25 | 2018-04-06 | 雷晓琴 | A kind of automatic plugging two-stage filtering device of built-in Venturi tube |
| CN111205897A (en) * | 2020-01-07 | 2020-05-29 | 成都伊斯顿过滤器有限公司 | Filter element structure for natural gas filtration |
-
2017
- 2017-11-25 CN CN201721594607.2U patent/CN208018312U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875746A (en) * | 2017-11-25 | 2018-04-06 | 雷晓琴 | A kind of automatic plugging two-stage filtering device of built-in Venturi tube |
| CN111205897A (en) * | 2020-01-07 | 2020-05-29 | 成都伊斯顿过滤器有限公司 | Filter element structure for natural gas filtration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20191125 |