CN204003798U - The pre-compressed air cleaner of push type exhaust - Google Patents
The pre-compressed air cleaner of push type exhaust Download PDFInfo
- Publication number
- CN204003798U CN204003798U CN201420277982.4U CN201420277982U CN204003798U CN 204003798 U CN204003798 U CN 204003798U CN 201420277982 U CN201420277982 U CN 201420277982U CN 204003798 U CN204003798 U CN 204003798U
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- China
- Prior art keywords
- hole
- base
- valve stem
- sealing gasket
- return spring
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- Expired - Fee Related
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a kind of pre-compressed air cleaner of push type exhaust, belong to air-strainer technical field, comprise that hollow stud is from the bottom to top successively through the second sealing gasket, air cap, the second return spring, the second pressing plate, shell, the first sealing gasket, the first pressing plate, the first return spring, exhasut valve stem top is provided with end cap, and end cap is pushed down the first return spring; Between exhasut valve stem top and hollow stud, by the first sealing gasket, seal, and fixed by the first pressing plate; Air cap is arranged on base and air cap is provided with the first through hole, on air cap, by the second pressing plate, pushes down the second return spring; Hollow stud in the first cavity is provided with third through-hole, has second through hole corresponding with the first through hole on base, and the second sealing gasket barrier is between the first through hole and the second through hole.Beneficial effect is by simple pressing operation, is reached for the object of pressure release in fuel tank, the safety of dismantling while guaranteeing maintenance operation.
Description
Technical field
The utility model relates to a kind of pre-compressed air cleaner, relates in particular to a kind of pre-compressed air cleaner of push type exhaust, belongs to air-strainer technical field.
Background technique
At present on the hydraulic oil container in the hydraulic system of domestic project machinery, what have many use is all the air-strainer of prepressing type, and air-strainer is being born the filtration work of gas, and is used for regulating the external and internal pressure of hydraulic reservoir poor, guaranteeing has certain pressure in fuel tank, prevents that pump suction is empty.But this kind of air-strainer detachable maintaining is inconvenient, and owing to there being pressure in fuel tank, has certain danger during dismounting.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of pre-compressed air cleaner of push type exhaust, the Security while improving dismounting.
To achieve these goals, the technical solution adopted in the utility model is: a kind of pre-compressed air cleaner of push type exhaust, comprise exhasut valve stem, shell, filter core, the second return spring, the second pressing plate, base and fitting seat, floor installation is on hydraulic oil container interface, the lower end of base is provided with fitting seat, between base and fitting seat, be formed with the second cavity, filter core is fixed between base and shell, inner first cavity that forms of filter core, also comprise hollow stud, hollow stud is arranged on base, on base, have fourth hole, the diameter of fourth hole is greater than the diameter of exhasut valve stem, exhasut valve stem is through fourth hole, and base seals by the 3rd sealing gasket between bottom, exhasut valve stem is sheathed in hollow stud on base top, hollow stud is from the bottom to top successively through the second sealing gasket, air cap, the second return spring, the second pressing plate, shell, the first sealing gasket, the first pressing plate, the first return spring, exhasut valve stem top is provided with end cap, and end cap is pushed down the first return spring, between exhasut valve stem top and hollow stud, by the first sealing gasket, seal, and fixed by the first pressing plate, air cap is arranged on base and air cap is provided with the first through hole, on air cap, by the second pressing plate, pushes down the second return spring, hollow stud in the first cavity is provided with third through-hole, has second through hole corresponding with the first through hole on base, and the second sealing gasket barrier is between the first through hole and the second through hole.
On described base, be provided with for supporting the support plate of filter core.
The diameter of described fourth hole is than the large 4-10mm of the diameter of exhasut valve stem.
Between described base and fitting seat, be provided with seal ring.
Described base and air cap connection part are provided with O type circle.
Also comprise the nut being located on hollow stud, nut is arranged on shell upper.
The utility model, by simple pressing operation, is reached for the object of pressure release in fuel tank, the safety of dismantling while guaranteeing maintenance operation; Easy to operate, good airproof performance, simple in structure, inside does not have complicated one-way valve group, is therefore convenient to manufacture and install, and has saved cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged diagram of I portion in Fig. 1;
Fig. 3 is the enlarged diagram of II portion in Fig. 1.
In figure: 1, end cap; 2, the first return spring; 3, exhasut valve stem; 4, pressing plate; 5, the first sealing gasket; 6, nut; 7, shell; 8, filter core; 9, hollow stud; 10, the second pressing plate; 11, the second return spring; 12, air cap; 13, the second sealing gasket; 14, base; 15, fitting seat; 16, the first cavity; 17, the second cavity; 18, the first through hole; 19, the second through hole; 20, third through-hole; 21, fourth hole; 22, the 3rd sealing gasket; 23, seal ring; 24, O type circle; 25, support plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1: the utility model comprises exhasut valve stem 3, shell 7, filter core 8, the second return spring 11, the second pressing plate 10, base 14 and fitting seat 15, base 14 is installed on hydraulic oil container interface, the lower end of base 14 is provided with fitting seat 15, between base 14 and fitting seat 15, be formed with the second cavity 17, filter core 8 is fixed between base 14 and shell 7, inner first cavity 16 that forms of filter core 8, also comprise hollow stud 9, hollow stud 9 is arranged on base 14, on base 14, have fourth hole 21, the diameter of fourth hole 21 is greater than the diameter of exhasut valve stem 3, exhasut valve stem 3 is through fourth hole 21, and by the 3rd sealing gasket 22, seal between base 14 bottoms, exhasut valve stem 3 is sheathed in hollow stud 9 on base 14 tops, hollow stud 9 is from the bottom to top successively through the second sealing gasket 13, air cap 12, the second return spring 11, the second pressing plate 10, shell 7, the first sealing gasket 5, the first pressing plate 4, the first return spring 2, exhasut valve stem 3 tops are provided with end cap 1, and end cap 1 is pushed down the first return spring 2, between exhasut valve stem 3 tops and hollow stud 9, by the first sealing gasket 5, seal, and fixing by the first pressing plate 4, air cap 12 is arranged on base 14 and air cap 12 is provided with the first through hole 18, on air cap 12, by the second pressing plate 10, pushes down the second return spring 11, hollow stud 9 in the first cavity 16 is provided with third through-hole 20, has second through hole 19, the second sealing gasket 13 barriers corresponding with the first through hole 18 on base 14 between the first through hole 18 and the second through hole 19.
Filter core 8 bottoms can directly be fixed on base 14, also can on base 14, install for supporting the support plate 25 of filter core 8, by the setting of support plate 25, make the installation of filter core 8 more firm, avoid filter core 8 to move.
The diameter of fourth hole 21 is greater than the diameter 4-10mm of exhasut valve stem 3, the ventilation when gap forming between fourth hole 21 and exhasut valve stem 3 is used for fuel tank pressure release.
Between base 14 and fitting seat 15, be provided with seal ring 23, base 14 and air cap 12 connection parts are provided with O type circle 24, strengthen sealing effect of the present utility model.
The utility model also comprises the nut 6 being located on hollow stud 9, and nut 6 is arranged on shell 7 tops, and nut 6 is for pushing down and set casing 7.
In use, in fuel tank, liquid level declines while forming negative pressure the utility model, and air enters the first cavity 16 through filter core 8, by the first through hole 18, backs down the second sealing gasket 13, by the second through hole 19, is entered the second cavity 17 and is entered fuel tank.When in fuel tank, liquid level unlifting pressure is excessive, the interior gas of fuel tank by the second through hole 19, backs down the second sealing gasket 13 through the second cavity 17 and air cap 12 enters the first cavity 16, through filter core 8, discharges, and keeps tank pressure stable.When needs detachable maintaining, can back down exhasut valve stem 3 by pressing the top end cap 1, in fuel tank, gas enters hollow stud 9 by fourth hole 21, from third through-hole 20, gas is entered to the first cavity 16, reach the object of pressure release in fuel tank, guarantee the safety of dismounting.
Claims (6)
1. the pre-compressed air cleaner of a push type exhaust, comprise exhasut valve stem (3), shell (7), filter core (8), the second return spring (11), the second pressing plate (10), base (14) and fitting seat (15), base (14) is installed on hydraulic oil container interface, the lower end of base (14) is provided with fitting seat (15), between base (14) and fitting seat (15), be formed with the second cavity (17), filter core (8) is fixed between base (14) and shell (7), inner the first cavity (16) that forms of filter core (8), characterized by further comprising hollow stud (9), hollow stud (9) is arranged on base (14), on base (14), have fourth hole (21), the diameter of fourth hole (21) is greater than the diameter of exhasut valve stem (3), exhasut valve stem (3) is through fourth hole (21), and base (14) seals by the 3rd sealing gasket (22) between bottom, exhasut valve stem (3) is sheathed in hollow stud (9) on base (14) top, hollow stud (9) is from the bottom to top successively through the second sealing gasket (13), air cap (12), the second return spring (11), the second pressing plate (10), shell (7), the first sealing gasket (5), the first pressing plate (4), the first return spring (2), exhasut valve stem (3) top is provided with end cap (1), and end cap (1) is pushed down the first return spring (2), between exhasut valve stem (3) top and hollow stud (9), by the first sealing gasket (5), seal, and fixing by the first pressing plate (4), air cap (12) is arranged on base (14) above and air cap (12) is provided with the first through hole (18), and air cap (12) is upper pushes down the second return spring (11) by the second pressing plate (10), hollow stud (9) in the first cavity (16) is provided with third through-hole (20), on base (14), have second through hole (19) corresponding with the first through hole (18), the second sealing gasket (13) barrier is between the first through hole (18) and the second through hole (19).
2. the pre-compressed air cleaner of a kind of push type exhaust according to claim 1, is characterized in that, the support plate (25) for supporting filter core (8) is installed on described base (14).
3. the pre-compressed air cleaner of a kind of push type exhaust according to claim 1, is characterized in that, the diameter of described fourth hole (21) is than the large 4-10mm of diameter of exhasut valve stem (3).
4. the pre-compressed air cleaner of a kind of push type exhaust according to claim 1, is characterized in that, between described base (14) and fitting seat (15), is provided with seal ring (23).
5. the pre-compressed air cleaner of a kind of push type exhaust according to claim 1, is characterized in that, described base (14) and air cap (12) connection part are provided with O type circle (24).
6. the pre-compressed air cleaner of a kind of push type exhaust according to claim 1, is characterized in that, also comprises the nut (6) being located on hollow stud (9), and nut (6) is arranged on shell (7) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277982.4U CN204003798U (en) | 2014-05-28 | 2014-05-28 | The pre-compressed air cleaner of push type exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277982.4U CN204003798U (en) | 2014-05-28 | 2014-05-28 | The pre-compressed air cleaner of push type exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003798U true CN204003798U (en) | 2014-12-10 |
Family
ID=52043805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277982.4U Expired - Fee Related CN204003798U (en) | 2014-05-28 | 2014-05-28 | The pre-compressed air cleaner of push type exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201854A (en) * | 2015-06-04 | 2015-12-30 | 大丰市沃尔泰机械有限公司 | Air intake integrated device of rotary air compressor |
| CN116336042A (en) * | 2023-03-31 | 2023-06-27 | 徐州中液过滤技术有限公司 | Pre-pressing type hydraulic air filter |
-
2014
- 2014-05-28 CN CN201420277982.4U patent/CN204003798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201854A (en) * | 2015-06-04 | 2015-12-30 | 大丰市沃尔泰机械有限公司 | Air intake integrated device of rotary air compressor |
| CN116336042A (en) * | 2023-03-31 | 2023-06-27 | 徐州中液过滤技术有限公司 | Pre-pressing type hydraulic air filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141210 |