CN103672357B - Air system changeover valve - Google Patents
Air system changeover valve Download PDFInfo
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- CN103672357B CN103672357B CN201310704347.XA CN201310704347A CN103672357B CN 103672357 B CN103672357 B CN 103672357B CN 201310704347 A CN201310704347 A CN 201310704347A CN 103672357 B CN103672357 B CN 103672357B
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- locellus
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- hole
- air
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Abstract
The invention discloses a kind of air system changeover valve, it adopts solenoid valve and executor seals oil system, better tightness, solenoid valve is connected with intake interface by layout three passages, make each passage can be thinner, enter the air of solenoid valve like this after passage heat radiation, temperature reduces greatly, less on the impact of inner member, make solenoid valve not fragile, extend its working life, the solenoid valve of the two nargin of preferred employing controls it, improve the reliability of air system changeover valve, thus improve the reliability of motor.
Description
Technical field
The present invention relates to engine oil system technical field, refer to a kind of air system changeover valve particularly.
Background technique
The oil system of motor is motor very important system, the main vitals to motor particularly rotary component lubricates, and be a crucial problem to the sealing of oil system, once seal failure, lubricating oil meeting light leak, make the whole oil system operational failure of motor, thus cause engine failure, even may cause engine cut-off.
Air is contained in general employing outward or level Four air seals oil system, and outer culvert air or level Four air introducing oil system are the mechanical air valve adopting built-in spring by prior art, its radiating effect is not good, sealing and stability all bad, and be not suitable for long-term work at high temperature under high pressure, be easy to be damaged, must change in time, otherwise just easily affect the sealing of oil system.
Summary of the invention
The object of the invention is to overcome existing machinery formula air register sealing, stability is not good, be not suitable for the defect worked at high temperature under high pressure, a kind of air system changeover valve is provided.
For achieving the above object, air system changeover valve designed by the present invention, comprise solenoid valve and coupled executor, described solenoid valve comprises valve body, with the electromagnet being located at valve body side, described valve body offers intake interface and ventilating hole, in described valve body, offer the first chamber, the second chamber, the 3rd chamber and the 4th chamber;
The ferrite core piston dish by solenoid actuated is provided with in described first chamber, antetheca near ferrite core piston dish in first chamber is provided with the front hole be communicated with intake interface, the rear wall relative with antetheca is provided with the metapore be in communication with the outside, front hole and metapore are respectively just to the two sides of ferrite core piston dish, the first stage clip is folded with between antetheca and ferrite core piston dish, ferrite core piston dish is provided with the projection matched with front hole size position, and the card of the ferrite core piston dish beyond projection offers through hole;
Second chamber is made up of large locellus and little locellus, large point indoor are provided with large piston plate, one card of large piston plate is abutted against by the front panel of the second stage clip and large locellus, the rear sidewall perforate of large locellus communicates with little locellus, another card of large piston plate is provided with the boss be plugged in hole, to separate large locellus and little locellus, little point of indoor are provided with the piston rod of hollow, described piston rod one end is connected with boss, the other end opening also stretches in the 3rd chamber, described upper cover of piston rod is provided with the separator disc closed with little locellus diameter compatible, piston rod bar wall between described separator disc and large piston plate is provided with pore, little locellus space between separator disc and large piston plate is in communication with the outside, the front panel of described large locellus be provided with passage between the first chamber and be connected, the rear sidewall of described large locellus also offers inlet hole communicate with intake interface,
3rd chamber is connected with ventilating hole and communicates with transfer port with between the 4th chamber, described transfer port is just to the opening end of piston rod, and the closed disk be provided with in the 4th chamber for closed transfer port, be furnished with the 3rd stage clip between described closed disk and the 4th chamber inner wall, described 4th chamber also communicates with intake interface.
Described executor is made up of the outer culvert air-inlet cavity and action chamber containing suction port outside the level Four air-inlet cavity with level Four suction port, band, and described action chamber is provided with piston duct and is communicated to outer culvert air-inlet cavity; Pressure piston dish and the prober for detected pressures piston plate position is provided with in described action chamber, action chamber one sidewall that the card of described pressure piston dish is just right is provided with the gas transmission road being communicated to ventilating hole, is also provided with return spring between described pressure piston dish and action cavity wall;
The gas port being provided with the plug matched with level Four air inlet port size, the air outlet hole being communicated to oil system in described level Four air-inlet cavity and communicating with outer culvert air-inlet cavity, described gas port is just arranged level Four suction port, described plug also matches with the size of gas port, described plug is connected by piston rod with pressure piston dish, and described piston rod is plugged in piston duct and gas port.
Preferably, described boss is second order boss, and the size of small stair matches with the size in hole.Second order boss makes large piston plate can not be too closely sealed with the rear sidewall of large locellus, and affects the sliding of large piston plate.
Preferably, described large piston plate is provided with the pit of accommodation second stage clip.
Beneficial effect of the present invention: air system changeover valve adopts solenoid valve and executor seals oil system, better tightness, solenoid valve is connected with intake interface by layout three passages, make each passage can be thinner, enter the air of solenoid valve like this after passage heat radiation, temperature reduces greatly, less on the impact of inner member, make solenoid valve not fragile, extend its working life, the solenoid valve of the two nargin of preferred employing controls it, improve the reliability of air system changeover valve, thus improve the reliability of motor.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of air system changeover valve off-position of the present invention.
Fig. 2 is the sectional structure schematic diagram of the changeover valve of air system shown in Fig. 1 "on" position.
Fig. 3 be in Fig. 2 the first chamber and around duct analyse and observe structure for amplifying schematic diagram.
Fig. 4 be in Fig. 2 the second chamber and around duct analyse and observe structure for amplifying schematic diagram.
In figure, valve body 1, electromagnet 2, intake interface 3, ventilating hole 4, first chamber 5, antetheca 5.1, front hole 5.2, rear wall 5.3, metapore 5.4, second chamber 6, large locellus 6.1, front panel 6.11, rear sidewall 6.12, inlet hole 6.13, little locellus 6.2, hole 6.3, 3rd chamber 7, 4th chamber 8, transfer port 8.1, closed disk 8.2, ferrite core piston dish 9, projection 9.1, through hole 9.2, large piston plate 10, boss 10.1, pit 10.2, piston rod 11, pore 11.1, separator disc 12, first stage clip 13, second stage clip 14, 3rd stage clip 15, passage 16, level Four air-inlet cavity 17, level Four suction port 17.1, gas port 17.2, air outlet hole 17.3, outer culvert air-inlet cavity 18, outer culvert suction port 18.1, action chamber 19, gas transmission road 20, piston duct 21, pressure piston dish 22, prober 23, return spring 24, plug 25, piston rod 26.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in figures 1-4, air system changeover valve, comprise solenoid valve and coupled executor, solenoid valve comprises valve body 1, with the electromagnet 2 being located at valve body 1 side, described valve body 1 offers intake interface 3 and ventilating hole 4, in described valve body 1, offer the first chamber 5, second chamber 6, the 3rd chamber 7 and the 4th chamber 8;
The ferrite core piston dish 9 driven by electromagnet 2 is provided with in described first chamber 5, antetheca 5.1 near ferrite core piston dish 9 in first chamber 5 is provided with the front hole 5.2 be communicated with intake interface 3, the rear wall 5.3 relative with antetheca 5.1 is provided with the metapore 5.4 be in communication with the outside, front hole 5.2 and metapore 5.4 are respectively just to the two sides of ferrite core piston dish 9, the first stage clip 13 is folded with between antetheca 5.1 and ferrite core piston dish 9, ferrite core piston dish 9 is provided with the projection 9.1 matched with size position, front hole 5.2, and the card of the ferrite core piston dish 9 beyond projection 9.1 offers through hole 9.2;
Second chamber 6 is made up of large locellus 6.1 and little locellus 6.2, large piston plate 10 is provided with in large locellus 6.1, one card of large piston plate 10 is abutted against with the front panel 6.11 of large locellus 6.1 by the second stage clip 14, rear sidewall 6.12 perforate 6.3 of large locellus 6.1 communicates with little locellus 6.2, another card of large piston plate 10 is provided with the boss 10.1 be plugged in hole 6.3, to separate large locellus 6.1 and little locellus 6.2, described boss 10.1 is second order boss, and the size of small stair matches with the size in hole 6.3.Described large piston plate 10 is provided with the pit 10.2 of accommodation second stage clip 14.
The piston rod 11 of hollow is provided with in little locellus 6.2, described piston rod 11 one end is connected with boss 10.1, the other end opening also stretches in the 3rd chamber 7, described piston rod 11 is arranged with the separator disc 12 closed with little locellus 6.2 diameter compatible, piston rod 11 bar wall between described separator disc 12 and large piston plate 10 is provided with pore 11.1, little locellus 6.2 space between separator disc 12 and large piston plate 10 is in communication with the outside, the front panel 6.11 of described large locellus 6.1 be provided with passage 16 between the first chamber 5 and be connected, the rear sidewall 6.12 of described large locellus 6.1 also offers inlet hole 6.13 communicate with intake interface 3,
3rd chamber 7 is connected with ventilating hole 4 and communicates with transfer port 8.1 with between the 4th chamber 8, described transfer port 8.1 is just to the opening end of piston rod 11, and the closed disk 8.2 be provided with in the 4th chamber 8 for closed transfer port 8.1, be furnished with the 3rd stage clip 15 between described closed disk 8.2 and the 4th chamber 8 inwall, described 4th chamber 8 also communicates with intake interface 3.
Executor is made up of the outer culvert air-inlet cavity 18 and action chamber 19 containing suction port 18.1 outside the level Four air-inlet cavity 17 with level Four suction port 17.1, band, and action chamber 19 is provided with piston duct 21 and is communicated to outer culvert air-inlet cavity 18; Pressure piston dish 22 and the prober 23 for detected pressures piston plate 22 position is provided with in action chamber 19, action chamber 19 1 sidewall that the card of pressure piston dish 22 is just right is provided with the gas transmission road 20 being communicated to ventilating hole 4, is also provided with return spring 24 between pressure piston dish 22 and action chamber 19 inwall;
The gas port 17.2 being provided with the plug 25 matched with level Four suction port 17.1 size, the air outlet hole 17.3 being communicated to oil system in level Four air-inlet cavity 17 and communicating with outer culvert air-inlet cavity 18, gas port 17.2 is just arranged level Four suction port 17.1, plug 25 also matches with the size of gas port 17.2, plug 25 is connected by piston rod 26 with pressure piston dish 22, and piston rod 26 is plugged in piston duct 21 and gas port 17.2.
The working procedure of air system changeover valve is described in detail in detail below.
As shown in Figure 1, solenoid valve in the power-off state, ferrite core piston dish 9 spring-loaded abuts on rear wall 5.3, enclose metapore 5.4, level Four air is divided into three tunnels by intake interface 3 and enters the first chamber 5 respectively, second chamber 6, 4th chamber 8, the gas entering the first chamber 5 extrudes a card of large piston plate 10 by passage 16, and enter gas another card at the large piston plate 10 of pressurization of the second chamber 6, due to the gap of card size, under same air pressure conditions, pressure from the first chamber 5 side is larger, add the spring pressure between large piston plate 10 and front panel 6.11, large piston plate 10 is made to abut on rear sidewall 6.12, now closed disk 8.2 backs down by piston rod 11, the level Four air entering the 4th chamber 8 flows out from transfer port 8.1 through ventilating hole 4.
The level Four gas flowed out in ventilating hole 4 arrives action chamber 19 along gas transmission road 20, promote pressure piston dish 22, piston rod 26 is moved to level Four air-inlet cavity 17, the plug 25 of piston rod 26 end blocks level Four suction port 17.1, the outer culvert gas that now, culvert suction port 18.1 enters, by after gas port 17.2, enters oil system by air outlet hole 17.3.
As shown in Figure 2, solenoid valve in the energized state, the powered attraction of ferrite core piston dish 9 abuts on antetheca 5.1, enclose front hole 5.2, level Four air from intake interface 3 cannot enter the first chamber 5, another card of the large piston plate 10 of level Four air push of the second chamber 6, large piston plate 10 is made to abut on front panel 6.11, extrude the former gas be present in large locellus 6.1 simultaneously and enter the first chamber 5 by passage 16, and by after the through hole 9.2 on ferrite core piston dish 9, be discharged to the external world, large piston plate 10 is to while front panel 6.11 movement, piston rod 11 is subject to tractive, be separated with closed disk 8.2, transfer port 8.1 closed by the spring force that closed disk 8.2 is subject to the 3rd stage clip 15, the level Four air now entering intake interface 3 cannot be discharged from ventilating hole 4.
Pressure piston dish 22 moves to gas transmission road 20 under spring force, makes the former gas existed in action chamber 19 enter the 3rd chamber 7 by ventilating hole 4, then enters the interior sky of piston rod 11 and be discharged to the external world after pore 11.1 enters little locellus 6.2.Pressure piston dish 22 pulls piston rod 26, and plug 25 blocks gas port 17.2 under the traction action of piston rod 26, and level Four gas is entered by level Four suction port 17.1, then enters oil system via air outlet hole 17.3.
Claims (3)
1. an air system changeover valve, it is characterized in that: comprise solenoid valve and coupled executor, described solenoid valve comprises valve body (1), with the electromagnet (2) being located at valve body (1) side, described valve body (1) offers intake interface (3) and ventilating hole (4), it is characterized in that: in described valve body (1), offer the first chamber (5), the second chamber (6), the 3rd chamber (7) and the 4th chamber (8);
The ferrite core piston dish (9) driven by electromagnet (2) is provided with in described first chamber (5), antetheca (5.1) near ferrite core piston dish (9) in first chamber (5) is provided with the front hole (5.2) be communicated with intake interface (3), the rear wall (5.3) relative with antetheca (5.1) is provided with the metapore (5.4) be in communication with the outside, front hole (5.2) and metapore (5.4) are respectively just to the two sides of ferrite core piston dish (9), the first stage clip (13) is folded with between antetheca (5.1) and ferrite core piston dish (9), ferrite core piston dish (9) is provided with the projection (9.1) matched with front hole (5.2) size position, the card of the ferrite core piston dish (9) beyond projection (9.1) offers through hole (9.2),
Second chamber (6) is made up of large locellus (6.1) and little locellus (6.2), large piston plate (10) is provided with in large locellus (6.1), one card of large piston plate (10) is abutted against by the front panel (6.11) of the second stage clip (14) with large locellus (6.1), rear sidewall (6.12) perforate (6.3) of large locellus (6.1) communicates with little locellus (6.2), another card of large piston plate (10) is provided with the boss (10.1) be plugged in hole (6.3), to separate large locellus (6.1) and little locellus (6.2), the piston rod (11) of hollow is provided with in little locellus (6.2), described piston rod (11) one end is connected with boss (10.1), the other end opening also stretches in the 3rd chamber (7), described piston rod (11) is arranged with the separator disc (12) closed with little locellus (6.2) diameter compatible, piston rod (11) bar wall between described separator disc (12) and large piston plate (10) is provided with pore (11.1), little locellus (6.2) space between separator disc (12) and large piston plate (10) is in communication with the outside, the front panel (6.11) of described large locellus (6.1) be provided with passage (16) between the first chamber (5) and be connected, the rear sidewall (6.12) of described large locellus (6.1) also offers inlet hole (6.13) communicate with intake interface (3),
3rd chamber (7) is connected with ventilating hole (4) and communicates with transfer port (8.1) with between the 4th chamber (8), described transfer port (8.1) is just to the opening end of piston rod (11), and the closed disk (8.2) be provided with in the 4th chamber (8) for closed transfer port (8.1), be furnished with the 3rd stage clip (15) between described closed disk (8.2) and the 4th chamber (8) inwall, described 4th chamber (8) also communicates with intake interface (3);
Described executor is made up of the outer culvert air-inlet cavity (18) and action chamber (19) containing suction port (18.1) outside the level Four air-inlet cavity (17) with level Four suction port (17.1), band, and described action chamber (19) is provided with piston duct (21) and is communicated to outer culvert air-inlet cavity (18); Pressure piston dish (22) and the prober (23) for detected pressures piston plate (22) position is provided with in described action chamber (19), action chamber (19) one sidewall that the card of described pressure piston dish (22) is just right is provided with the gas transmission road (20) being communicated to ventilating hole (4), is also provided with return spring (24) between described pressure piston dish (22) and action chamber (19) inwall;
The plug (25) matched with level Four suction port (17.1) size is provided with in described level Four air-inlet cavity (17), the air outlet hole (17.3) being communicated to oil system and the gas port (17.2) communicated with outer culvert air-inlet cavity (18), described gas port (17.2) is just arranged level Four suction port (17.1), described plug (25) also matches with the size of gas port (17.2), described plug (25) is connected by piston rod (26) with pressure piston dish (22), described piston rod (26) is plugged in piston duct (21) and gas port (17.2).
2. a kind of air system changeover valve according to claim 1, is characterized in that: described boss (10.1) is second order boss, and the size of small stair matches with the size of hole (6.3).
3. a kind of air system changeover valve according to claim 1 and 2, is characterized in that: described large piston plate (10) is provided with the pit (10.2) of accommodation second stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704347.XA CN103672357B (en) | 2013-12-19 | 2013-12-19 | Air system changeover valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704347.XA CN103672357B (en) | 2013-12-19 | 2013-12-19 | Air system changeover valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103672357A CN103672357A (en) | 2014-03-26 |
| CN103672357B true CN103672357B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310704347.XA Expired - Fee Related CN103672357B (en) | 2013-12-19 | 2013-12-19 | Air system changeover valve |
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| Country | Link |
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| CN (1) | CN103672357B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630338B (en) * | 2019-10-11 | 2022-07-15 | 中国航发沈阳发动机研究所 | Method and system for controlling air entraining parameters of turbofan engine bearing cavity sealing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2611927A1 (en) * | 1976-03-20 | 1977-09-22 | Kloeckner Humboldt Deutz Ag | LUBRICATING OIL SYSTEM FOR A COMBUSTION ENGINE |
| US4426196A (en) * | 1981-09-16 | 1984-01-17 | Hobourn-Eaton Limited | Oil supply system |
| FR2649775A1 (en) * | 1989-07-12 | 1991-01-18 | Peugeot | Non-return valve particularly for a pressurized liquid circuit in an internal combustion engine |
| CN101251225A (en) * | 2008-04-09 | 2008-08-27 | 义小毛 | Hydraulic pressure regulating automatic reversing combined valve for double-line grease lubricating system |
| CN203784617U (en) * | 2013-12-19 | 2014-08-20 | 湖北航达科技有限公司 | Air system switching valve |
-
2013
- 2013-12-19 CN CN201310704347.XA patent/CN103672357B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2611927A1 (en) * | 1976-03-20 | 1977-09-22 | Kloeckner Humboldt Deutz Ag | LUBRICATING OIL SYSTEM FOR A COMBUSTION ENGINE |
| US4426196A (en) * | 1981-09-16 | 1984-01-17 | Hobourn-Eaton Limited | Oil supply system |
| FR2649775A1 (en) * | 1989-07-12 | 1991-01-18 | Peugeot | Non-return valve particularly for a pressurized liquid circuit in an internal combustion engine |
| CN101251225A (en) * | 2008-04-09 | 2008-08-27 | 义小毛 | Hydraulic pressure regulating automatic reversing combined valve for double-line grease lubricating system |
| CN203784617U (en) * | 2013-12-19 | 2014-08-20 | 湖北航达科技有限公司 | Air system switching valve |
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| Publication number | Publication date |
|---|---|
| CN103672357A (en) | 2014-03-26 |
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Granted publication date: 20160224 Termination date: 20181219 |