CN201513266U - Air filtering device - Google Patents
Air filtering device Download PDFInfo
- Publication number
- CN201513266U CN201513266U CN2009202229999U CN200920222999U CN201513266U CN 201513266 U CN201513266 U CN 201513266U CN 2009202229999 U CN2009202229999 U CN 2009202229999U CN 200920222999 U CN200920222999 U CN 200920222999U CN 201513266 U CN201513266 U CN 201513266U
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- CN
- China
- Prior art keywords
- filter core
- filter element
- air
- filtration unit
- air outlet
- 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.)
- Expired - Lifetime
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air filtering device. The air filtering device comprises an air outlet, an upper casing, an air inlet, a lower casing, a dust exhaust valve and a filter element set arranged in a confined space which is formed by buckling the upper casing and the lower casing, wherein the filter element set comprises a main filter element and a safety filter element nested in the main filter element, and the safety filter element is sleeved at the air outlet in a sealing manner. The filter element set which is arranged in the confined space formed by buckling the upper casing and the lower casing and provided with the safety filter element nested in the main filter element achieves the purpose that when the air filtering device is maintained, the only requirement is to dismount the main filter element without dismounting the safety filter element sleeved at the air outlet in a sealing manner, thereby solving the technical problem dust can easily drop into the air outlet of the air filtering device to further get into the engine and result in engine failures when the safety filter element is taken down in the process of maintaining the air filtering device; and as the filter element set adopts a two-stage cylindrical filter element structure, the filtering efficiency of the airflow is improved.
Description
Technical field
The utility model relates to AE, particularly a kind of air filtration unit.
Background technique
Fig. 1 is the structural representation of air filtration unit in the prior art.As shown in Figure 1, the prior art air filtration unit comprises air outlet 11, upper shell 12, first support 13, filter core 14, seal ring 15, suction port 16, lower shell body 17, second support 18, dust discharge valve 19 and the 3rd support 20, wherein, suction port 16 is arranged at the outer wall of lower shell body 17, and air outlet 11 is arranged at the outer wall of upper shell 12, upper shell 12 and lower shell body 17 fasten by seal ring 15 sealings, and in the sealing fastening space of upper shell 12 and lower shell body 17, be provided with filter core 14, further, dust discharge valve 19 is arranged at lower shell body 17 outer walls bottom, whole air filtration unit can pass through first support 13, second support 18 and the 3rd support 20 are fixed in the car, and the air outlet 11 of air filtration unit is connected with motor.
In actual applications, air draught fastens in the space through the air entraining pipe (not shown) enters lower shell body 17 and upper shell 12 from suction port 16 sealing, filtration through 14 pairs of air draughts of filter core, dust in the air draught has been blocked in a side that enters filter core 14, and drop on the bottom of the inwall of lower shell body 17, thereby there is not the clean air air-flow of dust can be from the air outlet 11 to flow out and enter motor; When the cleaning air filtration unit, dust can be discharged from dust discharge valve 19.
But in the process of existing assembling automobile, often because spatial constraints, and make air filtration unit can't according to suction port 16 below, air outlet 11 arranged in form up.If according to suction port 16 up, air outlet 11 below the arranged in form air filtration unit, in the time of need taking off filter core 14 in that air filtration unit is maintained, because action of gravity, dust can be easy to fall into air filtration unit air outlet 11, thereby enter motor, cause breakdown in the motor.
The model utility content
The purpose of this utility model provides a kind of air filtration unit, to solve when air filtration unit being maintained and take off filter core, dust can be easy to fall into the air filtration unit air outlet, thereby enter motor, cause the technical problem of engine failure, realized when air filtration unit is maintained, the purpose that motor is threatened not, and improved filtering efficiency to air draught.
For achieving the above object, the utility model provides a kind of air filtration unit, comprises air outlet, upper shell, suction port, lower shell body and dust discharge valve, wherein, also comprises:
Be arranged at the filter core group in described upper shell and the lower shell body sealing fastening space; Described filter core group comprises main filter core and safe filter core, and described safe filter core is nested in the main filter core, and described safe filter core seals sheathed described air outlet.
Described suction port is arranged at the outer wall of described upper shell.
Described air outlet is arranged at the outer wall of described lower shell body.
Further, described filter core group is a twin-stage tubular filter core, and described main filter core is tubular, and described safe filter core is a tubular.
Air filtration unit provided by the utility model, by being arranged at the filter core group that safe filter core is nested in main filter core inner structure that has in upper shell and the lower shell body sealing fastening space, realized when air filtration unit is maintained, only need the main filter core of dismounting, and need not to dismantle the purpose that stuffing box gland sets out the safe filter core of gas port, solved when air filtration unit being maintained and take off filter core, dust can be easy to fall into the air filtration unit air outlet, thereby enter motor, cause the technical problem of engine failure, further, because the filter core group is a twin-stage tubular filter cartridge construction, improved filtering efficiency to air draught.
Description of drawings
Fig. 1 is the structural representation of air filtration unit in the prior art;
Fig. 2 is the structural representation of facing of the utility model air filtration unit;
Fig. 3 partly cuts open structural representation for the side-looking of the utility model air filtration unit.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 2 is the structural representation of facing of the utility model air filtration unit.Fig. 3 partly cuts open structural representation for the side-looking of the utility model air filtration unit.As shown in Figures 2 and 3, the air filtration unit of present embodiment comprises suction port 21, upper shell 22, seal ring 23, first support 24, lower shell body 25, dust discharge valve 26, air outlet 27, the 3rd support 28, second support 29 and filter core group, wherein, suction port 21 is arranged at the outer wall of upper shell 22, air outlet 27 is arranged at the outer wall of lower shell body 25, and upper shell 22 and lower shell body 25 fasten by seal ring 23 sealings; Dust discharge valve 26 is arranged at the bottom of the outer wall of lower shell body 25; And the sealing that the filter core group is arranged at upper shell 22 and lower shell body 25 fastens in the space, this filter core group comprises main filter core 210 and safe filter core 211, safe filter core 211 is nested in the main filter core 210, and safe filter core 211 stuffing box glands set out gas port 27, in actual applications, but this filter core group is the structure of twin-stage tubular filter core, and promptly main filter core 210 is a tubular, and safe filter core 211 also is a tubular.Moreover first support 24, second support 29 and the 3rd support 28 are arranged at the outer wall of lower shell body 25 respectively, and whole air filtration unit can be fixed in the car by first support 24, second support 29 and the 3rd support 28.
In actual applications, air draught fastens in the space through the air entraining pipe (not shown) enters upper shell 22 and lower shell body 25 from suction port 21 sealing, through of the filtration of filter core group to air draught, particularly, 210 pairs of air draughts of main filter core by the filter core group carry out the filtration first time, a part wherein is blocked in a side that enters main filter core 210,211 pairs of air draughts of safe filter core by the filter core group carry out the filtration second time again, another part wherein is blocked between main filter core 210 and the safe filter core 211, and drop on the bottom of the inwall of lower shell body 25, thereby the clean air air-flow of free from dust can be from the air outlet 27 flows out and enters motor; When the cleaning air filtration unit, dust can be discharged from dust discharge valve 26.
Further, when air filtration unit is maintained, with upper shell 22 with after lower shell body 25 separates, only main filter core 210 need be disassembled and clean or change, because safe filter core 211 is air draught to be carried out the second time filter, be not easy to pollute, therefore do not need frequent replacing, again because safe filter core 211 stuffing box glands set out gas port 27, therefore cleaning or more during change owner filter core 210, can not make dust fall into air outlet 27,27 fall into motor from the air outlet again, and then cause the problem of engine failure to take place.
The air filtration unit that present embodiment provided, by being arranged at the filter core group that safe filter core is nested in main filter core inner structure that has in upper shell and the lower shell body sealing fastening space, realized when air filtration unit is maintained, only need the main filter core of dismounting, and need not to dismantle the purpose that stuffing box gland sets out the safe filter core of gas port, solved when air filtration unit being maintained and take off filter core, dust can be easy to fall into the air filtration unit air outlet, thereby enter motor, cause the technical problem of engine failure, further, because the filter core group is a twin-stage tubular filter cartridge construction, improved filtering efficiency to air draught.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technological scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (4)
1. an air filtration unit comprises air outlet, upper shell, suction port, lower shell body and dust discharge valve, it is characterized in that, also comprises:
Be arranged at the filter core group in described upper shell and the lower shell body sealing fastening space; Described filter core group comprises main filter core and safe filter core, and described safe filter core is nested in the main filter core, and described safe filter core seals sheathed described air outlet.
2. air filtration unit according to claim 1 is characterized in that described suction port is arranged at the outer wall of described upper shell.
3. air filtration unit according to claim 1 is characterized in that described air outlet is arranged at the outer wall of described lower shell body.
4. air filtration unit according to claim 1 is characterized in that, described filter core group is a twin-stage tubular filter core, and described main filter core is tubular, and described safe filter core is a tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202229999U CN201513266U (en) | 2009-09-29 | 2009-09-29 | Air filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202229999U CN201513266U (en) | 2009-09-29 | 2009-09-29 | Air filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513266U true CN201513266U (en) | 2010-06-23 |
Family
ID=42484674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202229999U Expired - Lifetime CN201513266U (en) | 2009-09-29 | 2009-09-29 | Air filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329194A (en) * | 2014-11-25 | 2015-02-04 | 江苏常工动力机械有限公司 | Air filter with dust exhaust hole |
-
2009
- 2009-09-29 CN CN2009202229999U patent/CN201513266U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329194A (en) * | 2014-11-25 | 2015-02-04 | 江苏常工动力机械有限公司 | Air filter with dust exhaust hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
|
| CX01 | Expiry of patent term |