CN212318849U - Turbocharger control valve - Google Patents
Turbocharger control valve Download PDFInfo
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- CN212318849U CN212318849U CN202021092897.2U CN202021092897U CN212318849U CN 212318849 U CN212318849 U CN 212318849U CN 202021092897 U CN202021092897 U CN 202021092897U CN 212318849 U CN212318849 U CN 212318849U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to a turbocharger control valve, which comprises a valve body, a valve sleeve, a fixed copper core, a movable iron core, a valve rod, an auxiliary spring, an inductance coil and a reset spring; a valve chamber is arranged in the valve body, front and rear oil outlets for dividing the valve chamber into a front chamber, a middle chamber and a rear chamber are arranged in the front and rear of the side wall of the valve chamber at intervals, and oil inlets and oil return ports are respectively arranged on the side walls of the middle chamber and the rear chamber; the front end of the fixed copper iron core is inserted into the rear end of the valve body, and the front end face and the rear end face of the fixed copper iron core are respectively provided with a sliding cavity and a spring cavity; the movable iron core is arranged in the sliding cavity in a front-back sliding manner, the rear end of the movable iron core is provided with a mandril, and the rear end of the mandril is exposed out of the spring cavity; the reset spring is arranged in the spring cavity, and the front end supports the ejector rod and the cavity cover of the rear end supporting the spring cavity; the inductance coil is wound on the periphery of the fixed copper iron core; the valve sleeve is arranged in the front chamber; the valve rod is arranged in the valve chamber, the rear end of the valve rod is connected with the movable iron core, and the outer wall of the valve rod is circumferentially provided with a front convex ring, a middle convex ring and a rear convex ring. The utility model discloses simple structure, the reliability is high.
Description
Technical Field
The utility model relates to a variable nozzle turbo charger's control valve.
Background
The control valve structure of the traditional variable nozzle turbocharger is complex and poor in reliability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a turbocharger control valve aims at improving the above-mentioned defect that traditional chinese art exists.
The utility model adopts the following technical scheme:
a turbocharger control valve comprising:
a valve body; a cavity which is through from front to back is arranged in the valve body, the cavity comprises a connecting cavity arranged at the rear part of the valve body and a valve chamber which is arranged in front of the connecting cavity and has an inner diameter smaller than that of the connecting cavity, the side wall of the valve chamber is provided with a front oil outlet and a rear oil outlet which are communicated with the valve chamber and the outside at a distance from the front to the back, the valve chamber is divided into a front chamber, a middle chamber and a rear chamber by the front oil outlet and the rear oil outlet, the side wall of the middle chamber is provided with an oil inlet communicated with the middle chamber and the;
a valve housing; the valve sleeve is arranged in the front chamber to seal the front port of the front chamber;
fixing the copper iron core; the front end of the fixed copper core is inserted into the connecting cavity to fixedly connect the valve body and seal the rear opening of the rear chamber, the front end surface of the fixed copper core is provided with a sliding cavity which is right opposite to the front and the rear of the valve chamber, the rear end surface of the fixed copper core is provided with a spring cavity which is right opposite to the front and the rear of the sliding cavity, and a rod hole for communicating the sliding cavity and the spring cavity is arranged between the sliding cavity and the spring cavity;
a movable iron core; the movable iron core is movably arranged in the sliding cavity, and the length of the movable iron core is smaller than that of the sliding cavity so as to slide back and forth in the sliding cavity; the rear end of the movable iron core is provided with a mandril, the rod body of the mandril is movably arranged in the rod hole, and the rear end of the mandril is exposed out of the spring cavity and is provided with a spring seat;
a valve stem; the valve rod is movably arranged in the valve chamber, the rear end of the valve rod is fixedly connected with the movable iron core so as to be driven by the movable iron core to move back and forth in the valve chamber, and the outer wall of the valve rod is sequentially and circumferentially provided with a front convex ring, a middle convex ring and a rear convex ring which are attached to the inner wall of the valve chamber from front to back; the front convex ring is arranged at the front end of the valve rod and can simultaneously seal a front chamber rear port, a middle chamber front port and a front oil outlet when the movable iron core moves to the middle point of the sliding cavity, seal the front chamber rear port but open the middle chamber front port and the front oil outlet when the movable iron core moves to the front end of the sliding cavity, and seal the middle chamber front port but open the front chamber rear port and the front oil outlet when the movable iron core moves to the rear end of the sliding cavity; the middle convex ring is arranged in the middle of the valve rod and can simultaneously seal a rear opening of the middle chamber, a front opening of the rear chamber and a rear oil outlet when the movable iron core moves to the middle point of the sliding cavity, seal the rear opening of the middle chamber but open the front opening of the rear chamber and the rear oil outlet when the movable iron core moves to the front end of the sliding cavity, and seal the front opening of the rear chamber but open the rear opening of the middle chamber and the rear oil outlet when the movable iron core moves to the rear end of the sliding cavity; the rear convex ring is arranged at the rear part of the valve rod and can seal and block the rear opening of the rear chamber from the rear part of the oil return opening when the movable iron core moves to any position of the sliding cavity; a rear-open rod cavity is arranged in the valve rod, a front oil return hole for communicating the rod cavity with the outside is formed in the front end face of the valve rod, the rear opening of the rod cavity is blocked by a movable iron core, and a rear oil return hole for communicating the rod cavity with the outside is formed in the side wall of the rod cavity between the middle convex ring and the rear convex ring;
an auxiliary spring; the auxiliary spring is arranged in a valve chamber between the valve sleeve and the valve rod, and two ends of the auxiliary spring respectively support the valve sleeve and the valve rod;
an inductor coil; the inductance coil is arranged around the periphery of the fixed copper iron core in a magnetic force backward mode and used for driving the movable iron core to move towards the rear end of the sliding cavity together with the auxiliary spring;
a return spring; the reset spring is arranged in the spring cavity, the front end supporting spring seat of the reset spring and the cavity cover arranged at the rear cavity opening of the rear end supporting spring cavity have elastic force larger than that of the auxiliary spring, so that the elastic force overcomes the resistance of the auxiliary spring to drive the movable iron core to move towards the front end of the sliding cavity under the condition that the inductance coil is not electrified.
Preferably, the control valve further comprises a shell covering the periphery of the inductance coil, the shell is a rear-open shell, the front end of the shell is sleeved on the periphery of the fixed copper iron core through a sleeve hole formed in the front end of the shell, an end cover for sealing the inductance coil in the shell is arranged at the rear end of the shell, and the end cover is sleeved on the rear end of the fixed copper iron core through a sleeve cavity formed in the end cover.
The utility model discloses simple structure, compactness, the reliability is high, and it is good to fit the dress nature.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural view of a valve body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an insulating column according to an embodiment of the present invention;
FIG. 4 is a schematic view of a valve stem according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the embodiment of the present invention in a non-supercharging state;
fig. 6 is a schematic structural view of the embodiment of the present invention in a non-pressurized state;
Detailed Description
The present invention will be described with reference to the accompanying drawings and specific embodiments.
Referring to FIGS. 1-4:
a turbocharger control valve includes a valve body 1; a cavity which is through from front to back is arranged in the valve body 1, the cavity comprises a connecting cavity 1.1 arranged at the rear part of the valve body 1 and a valve chamber 1.2 arranged in front of the connecting cavity 1.1 and having an inner diameter smaller than that of the connecting cavity 1.1, a front oil outlet 1.3 and a rear oil outlet 1.4 which are communicated with the valve chamber 1.2 and the outside are arranged on the side wall of the valve chamber 1.2 at a distance from the front to the back, the valve chamber 1.2 is divided into a front chamber 1.21, a middle chamber 1.22 and a rear chamber 1.23 by the front oil outlet 1.3 and the rear oil outlet 1.4, an oil inlet 1.5 communicated with the middle chamber 1.22 and the outside is arranged on the side wall of the middle chamber 1.22, and an oil return port 1.
The control valve further comprises a valve housing 2; the valve housing 2 is arranged in the front chamber 1.21 to close the front opening of the front chamber 1.21.
The control valve also comprises a fixed copper core 3; the front end of the fixed copper iron core 3 is inserted in the connecting cavity 1.1 to fixedly connect the valve body 1 and seal the rear opening of the rear chamber 1.23, the front end surface of the fixed copper iron core is provided with a sliding cavity 3.1 which is right opposite to the front and the rear of the valve chamber 1.2, the rear end surface of the fixed copper iron core is provided with a spring cavity 3.2 which is right opposite to the front and the rear of the sliding cavity 3.1, and a rod hole 3.3 for communicating the sliding cavity 3.1 and the spring cavity 3.2 is arranged between the sliding cavity 3..
The control valve further comprises a movable iron core 4; the movable iron core 4 is movably arranged in the sliding cavity 3.1, and the length of the movable iron core is smaller than that of the sliding cavity 3.1 so as to slide back and forth in the sliding cavity 3.1; the rear end of the movable iron core 4 is provided with a mandril 9, the rod body of the mandril 9 is movably arranged in the rod hole 3.3, and the rear end of the mandril 9 is exposed out of the spring cavity 3.2 and is provided with a spring seat 10.
The control valve further comprises a valve stem 5; the valve rod 5 is movably arranged in the valve chamber 1.2, the rear end of the valve rod is fixedly connected with the movable iron core 4 so as to be driven by the movable iron core 4 to move back and forth in the valve chamber 1.2, and the outer wall of the valve rod is sequentially and circumferentially provided with a front convex ring 5.1, a middle convex ring 5.2 and a rear convex ring 5.3 which are attached to the inner wall of the valve chamber 1.2 from front to back; the front convex ring 5.1 is arranged at the front end of the valve rod 5 and can simultaneously block a rear opening of a front chamber 1.21, a front opening of a middle chamber 1.22 and a front oil outlet 1.3 when the movable iron core 4 moves to the middle point of the sliding cavity 3.1, block a rear opening of the front chamber 1.21 but open a front opening of the middle chamber 1.22 and a front oil outlet 1.3 when the movable iron core 4 moves to the front end of the sliding cavity 3.1, and block a front opening of the middle chamber 1.22 but open a rear opening of the front chamber 1.21 and a front oil outlet 1.3 when the movable iron core 4 moves to the rear end of the sliding cavity 3.1; the middle convex ring 5.2 is arranged in the middle of the valve rod 5 and can simultaneously block a rear opening of the middle chamber 1.22, a front opening of the rear chamber 1.23 and a rear oil outlet 1.4 when the movable iron core 4 moves to the middle point of the sliding cavity 3.1, block a rear opening of the middle chamber 1.22 but open a front opening of the rear chamber 1.23 and a rear oil outlet 1.4 when the movable iron core 4 moves to the front end of the sliding cavity 3.1, and block a front opening of the rear chamber 1.23 but open a rear opening of the middle chamber 1.22 and a rear oil outlet 1.4 when the movable iron core 4 moves to the rear end of the sliding cavity 3.1; the rear convex ring 5.3 is arranged at the rear part of the valve rod 5 and can block the rear opening of the rear chamber 1.23 from the rear part of the oil return opening 1.6 when the movable iron core 4 moves to any position of the sliding cavity 3.1; a rear-open rod cavity 5.4 is arranged in the valve rod 5, a front oil return hole 5.5 for communicating the rod cavity 5.4 with the outside is arranged on the front end face of the valve rod, a rear opening of the rod cavity 5.4 is sealed by a movable iron core 4, and a rear oil return hole 5.6 for communicating the rod cavity 5.4 with the outside is arranged on the side wall of the rod cavity 5.4 between the middle convex ring 5.2 and the rear convex ring 5.3.
The control valve further comprises an auxiliary spring 6; the auxiliary spring 6 is arranged in the valve chamber 1.2 between the valve sleeve 2 and the valve rod 5 and supports the valve sleeve 2 and the valve rod 5 at two ends respectively.
The control valve further comprises an induction coil 8; the inductance coil 8 is wound backwards around the periphery of the fixed copper core 3 by magnetic force, so as to drive the movable iron core 4 to move towards the rear end of the sliding cavity 3.1 together with the auxiliary spring 6.
The control valve also comprises a return spring 7; the return spring 7 is arranged in the spring cavity 3.2, the front end supporting spring seat 10 and the cavity cover 11 arranged at the rear cavity opening of the rear end supporting spring cavity 3.2 have elastic force larger than that of the auxiliary spring 6, so that the movable iron core 4 is driven to move towards the front end of the sliding cavity 3.1 by overcoming the resistance of the auxiliary spring 6 under the condition that the inductance coil 8 is not electrified.
The control valve also comprises a shell 12 coated on the periphery of the inductance coil 8, wherein the shell 12 is a rear-open type shell, the front end of the shell is sleeved on the periphery of the fixed copper iron core 3 through a sleeve hole arranged at the end, the rear end port of the shell is provided with an end cover 13 for sealing the inductance coil 8 in the shell, and the end cover 13 is sleeved on the rear end of the fixed copper iron core 3 through a sleeve cavity arranged on the inner surface of the end cover 13.
The working principle of the utility model is as follows:
as shown in fig. 5, when the inductance coil 8 is not energized, the return spring 7 overcomes the resistance of the auxiliary spring 6 to drive the movable iron core 4 to move to the front end of the sliding cavity 3.1, the movable iron core 4 drives the valve rod 5 to move forward, the front convex ring 5.1 seals the rear opening of the front chamber 1.21 but opens the front opening of the middle chamber 1.22 and the front oil outlet 1.3, the middle convex ring 5.2 seals the rear opening of the middle chamber 1.22 but opens the front opening of the rear chamber 1.23 and the rear oil outlet 1.4, so as to form an oil inlet channel composed of the oil inlet 1.5, the middle chamber 1.22 and the front oil outlet 1.3 and an oil return channel composed of the oil return opening 1.6, the rear chamber 1.23 and the rear oil outlet 1.4.
As shown in fig. 6, when the inductance coil 8 is energized, the electromagnetic coil 8 and the auxiliary spring 6 combine to overcome the resistance of the return spring 7 to drive the movable iron core 4 to move to the rear end of the sliding cavity 3.1, the movable iron core 4 drives the valve rod 5 to move backward, the front opening of the middle chamber 1.22 is sealed by the front convex ring 5.1, but the rear opening of the front chamber 1.21 and the front oil outlet 1.3 are opened, the front opening of the rear chamber 1.23 is sealed by the middle convex ring 5.2, but the rear opening of the middle chamber 1.22 and the rear oil outlet 1.4 are opened, so that an oil inlet channel formed by the oil inlet 1.5, the middle chamber 1.22 and the rear oil outlet 1.4 and an oil return channel formed by the oil return opening 1.6, the rear chamber 1.23, the rear oil return hole 5.6, the rod cavity 5.4, the front oil return hole 5.5, the front chamber 1..
Claims (2)
1. A turbocharger control valve, comprising:
a valve body (1); a cavity which is through from front to back is arranged in the valve body (1), the cavity comprises a connecting cavity (1.1) arranged at the rear part of the valve body (1) and a valve chamber (1.2) which is arranged in front of the connecting cavity (1.1) and has an inner diameter smaller than that of the connecting cavity (1.1), the side wall of the valve chamber (1.2) is provided with a front oil outlet (1.3) and a rear oil outlet (1.4) which are communicated with the valve chamber (1.2) and the outside at a distance from each other, the front oil outlet (1.3) and the rear oil outlet (1.4) divide the valve chamber (1.2) into a front chamber (1.21), a middle chamber (1.22) and a rear chamber (1.23), the side wall of the middle chamber (1.22) is provided with an oil inlet (1.5) which is communicated with the middle chamber (1.22) and the outside, and the side wall of the rear chamber (1.;
a valve housing (2); the valve sleeve (2) is arranged in the front chamber (1.21) to seal the front opening of the front chamber (1.21);
a fixed copper core (3); the front end of the fixed copper iron core (3) is inserted into the connecting cavity (1.1) to fixedly connect the valve body (1) and seal the rear opening of the rear chamber (1.23), the front end surface of the fixed copper iron core is provided with a sliding cavity (3.1) which is right opposite to the front and the rear of the valve chamber (1.2), the rear end surface of the fixed copper iron core is provided with a spring cavity (3.2) which is right opposite to the front and the rear of the sliding cavity (3.1), and a rod hole (3.3) for communicating the sliding cavity (3.1) and the spring cavity (3.2) is arranged between the sliding cavity (3;
a movable iron core (4); the movable iron core (4) is movably arranged in the sliding cavity (3.1), and the length of the movable iron core is smaller than that of the sliding cavity (3.1) so as to slide back and forth in the sliding cavity (3.1); a push rod (9) is arranged at the rear end of the movable iron core (4), the rod body of the push rod (9) is movably arranged in the rod hole (3.3), and the rear end of the push rod is exposed out of the spring cavity (3.2) and is provided with a spring seat (10);
a valve stem (5); the valve rod (5) is movably arranged in the valve chamber (1.2), the rear end of the valve rod is fixedly connected with the movable iron core (4) so as to be driven by the movable iron core (4) to move back and forth in the valve chamber (1.2), and the outer wall of the valve rod is sequentially and circumferentially provided with a front convex ring (5.1), a middle convex ring (5.2) and a rear convex ring (5.3) which are attached to the inner wall of the valve chamber (1.2) from front to back; the front convex ring (5.1) is arranged at the front end of the valve rod (5) and can simultaneously block the rear opening of the front chamber (1.21), the front opening of the middle chamber (1.22) and the front oil outlet (1.3) when the movable iron core (4) moves to the middle point of the sliding cavity (3.1), block the rear opening of the front chamber (1.21) but open the front opening of the middle chamber (1.22) and the front oil outlet (1.3) when the movable iron core (4) moves to the front end of the sliding cavity (3.1), and block the front opening of the middle chamber (1.22) but open the rear opening of the front chamber (1.21) and the front oil outlet (1.3) when the movable iron core (4) moves to the rear end of the sliding cavity (3.1); the middle convex ring (5.2) is arranged in the middle of the valve rod (5) and can simultaneously block the rear opening of the middle chamber (1.22), the front opening of the rear chamber (1.23) and the rear oil outlet (1.4) when the movable iron core (4) moves to the middle point of the sliding cavity (3.1), block the rear opening of the middle chamber (1.22) but open the front opening of the rear chamber (1.23) and the rear oil outlet (1.4) when the movable iron core (4) moves to the front end of the sliding cavity (3.1), and block the front opening of the rear chamber (1.23) but open the rear opening of the middle chamber (1.22) and the rear oil outlet (1.4) when the movable iron core (4) moves to the rear end of the sliding cavity (3.1); the rear convex ring (5.3) is arranged at the rear part of the valve rod (5) and can block the rear opening of the rear chamber (1.23) from the rear part of the oil return opening (1.6) when the movable iron core (4) moves to any position of the sliding cavity (3.1); a rear-open rod cavity (5.4) is arranged in the valve rod (5), a front oil return hole (5.5) which is communicated with the rod cavity (5.4) and the outside is formed in the front end face of the valve rod, the rear opening of the rod cavity (5.4) is blocked by a movable iron core (4), and a rear oil return hole (5.6) which is communicated with the rod cavity (5.4) and the outside is formed in the side wall of the rod cavity (5.4) between the middle convex ring (5.2) and the rear convex ring (5.3);
an auxiliary spring (6); the auxiliary spring (6) is arranged in a valve chamber (1.2) between the valve sleeve (2) and the valve rod (5), and two ends of the auxiliary spring respectively support the valve sleeve (2) and the valve rod (5);
an inductor (8); the inductance coil (8) is arranged on the periphery of the fixed copper core (3) in a backwards winding manner by magnetic force and is used for driving the movable iron core (4) to move towards the rear end of the sliding cavity (3.1) together with the auxiliary spring (6);
a return spring (7); the reset spring (7) is arranged in the spring cavity (3.2), the front end supporting spring seat (10) and the cavity cover (11) arranged at the rear cavity opening of the rear end supporting spring cavity (3.2) are larger than the elastic force of the auxiliary spring (6) so as to overcome the resistance of the auxiliary spring (6) to drive the movable iron core (4) to move towards the front end of the sliding cavity (3.1) under the condition that the inductance coil (8) is not electrified.
2. The turbocharger control valve according to claim 1, further comprising a housing (12) covering the periphery of the inductance coil (8), wherein the housing (12) is a rear-open type housing, the front end of the housing is sleeved on the periphery of the fixed copper core (3) through a sleeve hole formed in the end, an end cover (13) for sealing the inductance coil (8) in the housing is arranged at the rear end of the housing, and the end cover (13) is sleeved on the rear end of the fixed copper core (3) through a sleeve cavity formed in the inner surface of the end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092897.2U CN212318849U (en) | 2020-06-12 | 2020-06-12 | Turbocharger control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092897.2U CN212318849U (en) | 2020-06-12 | 2020-06-12 | Turbocharger control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318849U true CN212318849U (en) | 2021-01-08 |
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ID=74025743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021092897.2U Active CN212318849U (en) | 2020-06-12 | 2020-06-12 | Turbocharger control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431946A (en) * | 2021-06-04 | 2021-09-24 | 杭州爱力智控技术有限公司 | Integrated pressure-adjustable electromagnetic directional valve |
-
2020
- 2020-06-12 CN CN202021092897.2U patent/CN212318849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431946A (en) * | 2021-06-04 | 2021-09-24 | 杭州爱力智控技术有限公司 | Integrated pressure-adjustable electromagnetic directional valve |
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