CN210343491U - Novel turbocharger rocker arm sealing door structure - Google Patents
Novel turbocharger rocker arm sealing door structure Download PDFInfo
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- CN210343491U CN210343491U CN201921547265.8U CN201921547265U CN210343491U CN 210343491 U CN210343491 U CN 210343491U CN 201921547265 U CN201921547265 U CN 201921547265U CN 210343491 U CN210343491 U CN 210343491U
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- rocker arm
- hole
- sealing door
- pin
- sealing
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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
Abstract
The utility model provides a novel turbocharger rocker arm door sealing structure, which comprises a door sealing part, a rocker arm and a connecting assembly; the rocker arm is provided with a first through hole; the sealing door is provided with a second through hole; the hole center lines of the first through hole and the second through hole are collinear; the connecting assembly penetrates through the first through hole and the second through hole and is tightly connected with the first through hole and the second through hole; the sealing door and the rocker arm are detachably connected through a connecting assembly; the connecting part of the connecting component and the rocker arm is in a hexagonal prism structure; the first through hole is in a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure. The connecting part of the connecting component and the rocker arm is arranged to be in a hexagonal prism structure and the first through hole of the hexagonal hole structure matched with the connecting component is arranged to ensure that the sealing door cannot rotate relatively in the opening and closing process, so that the connecting component is prevented from being worn, and the service life of the connecting component is prolonged; and seal door and rocker arm and pass through coupling assembling detachably and connect to conveniently dismantle and change the sealing door of different diameters size, greatly increased the commonality of rocker arm.
Description
Technical Field
The utility model relates to an automobile turbocharger field especially relates to a novel door structure is sealed to turbo charger rocking arm.
Background
The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The engine uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder. When the rotating speed of the engine is increased, the exhaust gas exhaust speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.
The rocker arm of the existing turbocharger seals the door structure, the pin passes through the rocker arm and the hole on the sealing door, and the rocker arm drives the opening and closing of the sealing door to realize the exhaust limitation of the bypass port of the turbocharger by welding or riveting fixation. However, the structure has the defects that the rocker arm and the sealing door cannot be detached, the sealing door cannot be replaced, the sealing door can rotate in the opening and closing process, friction is continuously generated between the pin and the hole in the rocker arm, the pin has a large fracture risk, and the service life of the pin is shortened.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a novel turbo charger rocking arm seals a door structure to the rocking arm that exists among the solution prior art and sealing can't dismantle between the door, seal the door and can take place rotatoryly at the switch in-process, thereby lead to the hole on rocking arm round pin and the rocking arm constantly to produce the easy cracked problem of friction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel turbocharger rocker arm sealing door structure, which comprises a sealing door positioned at the exhaust port of a turbocharger flow passage, a rocker arm used for driving the sealing door to open and close, and a connecting component; the rocker arm is provided with a first through hole; the sealing door is provided with a second through hole; the center lines of the first through hole and the second through hole are collinear; the connecting assembly penetrates through the first through hole and the second through hole and is tightly connected with the first through hole and the second through hole; the sealing door and the rocker arm are detachably connected through the connecting assembly; the connecting part of the connecting component and the rocker arm is in a hexagonal prism structure; the first through hole is of a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the connecting assembly comprises a locking nut for locking the sealing door; the connecting part of the connecting component and the sealing door and the part extending out of the second through hole are both provided with external threads; an internal thread matched with the external thread is arranged on the inner wall surface of the second through hole; the locking nut is matched with the external thread.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the connecting assembly also comprises a connecting pin; the connecting pin penetrates through the first through hole and the second through hole; the connecting part of the connecting pin and the sealing door and the part extending out of the second through hole are both provided with the external thread; the sealing door and the rocker arm are detachably connected through the connecting pin and the locking nut.
The utility model provides a novel turbocharger rocker arm door sealing structure, preferably, the connecting part of the connecting component and the rocker arm is in a hexagonal prism structure; the first through hole is of a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm includes first connecting portion; the first connecting part is of a flat structure; the first through hole is formed in the first connecting portion.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm still includes the second connecting portion; the second connecting part is of an arc-shaped cylindrical structure; one end of the second connecting part is fixedly connected with the first connecting part; a mounting boss is fixedly arranged at the other end of the second connecting part; the mounting boss is of a conical structure with a conical top extending towards the second connecting part.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm also comprises a pin shaft; the pin shaft is fixedly connected with the mounting boss, and the axis line of the pin shaft is collinear with the central line of the mounting boss.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm also comprises a rocker arm plate; one end of the rocker arm plate is detachably connected with the pin shaft; the axis of the pin shaft is perpendicular to the plate surface of the rocker arm plate.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm still includes the bush; the bush sleeve is arranged on the pin shaft, the bush is detachably arranged between the mounting boss and the swing arm plate, one end of the bush abuts against the mounting boss, and the other end of the bush abuts against the swing arm plate.
The utility model provides a novel turbocharger rocker arm sealing door structure, preferably, the rocker arm also comprises a rotating pin; one end of the rotating pin is detachably fixed to the other end of the rocker arm plate.
The utility model provides a novel turbo charger rocking arm seals door structure, preferably, the other end detachably of rotating pin is fixed in on turbo charger's the executor.
The technical scheme has the following advantages or beneficial effects:
the utility model provides a novel turbocharger rocker arm sealing door structure, which comprises a sealing door positioned at the exhaust port of a turbocharger flow passage, a rocker arm used for driving the sealing door to open and close, and a connecting component; the rocker arm is provided with a first through hole; the sealing door is provided with a second through hole; the hole center lines of the first through hole and the second through hole are collinear; the connecting assembly penetrates through the first through hole and the second through hole and is tightly connected with the first through hole and the second through hole; the sealing door and the rocker arm are detachably connected through a connecting assembly; the connecting part of the connecting component and the rocker arm is in a hexagonal prism structure; the first through hole is in a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure. The connecting part of the connecting component and the rocker arm is arranged to be of a hexagonal prism structure, and the first through hole of the hexagonal hole structure is matched with the hexagonal prism structure, so that the sealing door cannot rotate relatively in the opening and closing process, the abrasion of the connecting component is prevented, the fracture risk of the connecting component is reduced, and the service life of the connecting component is prolonged; and seal a door and the rocking arm passes through coupling assembling detachably and connects to conveniently dismantle and change the sealed door of different diameters size, same rocking arm can satisfy multiple needs of sealing a door, greatly increased the commonality of rocking arm.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic view of an installation of a novel turbocharger rocker arm sealing door structure on a volute, provided by embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a rocker arm structure of a novel turbocharger rocker arm door sealing structure provided in embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a novel turbocharger rocker arm sealing structure provided in embodiment 1 of the present invention;
fig. 4 is a schematic cross-sectional view of a novel turbocharger rocker arm sealing structure provided in embodiment 1 of the present invention at B.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.
Example 1:
the rocker arm of the existing turbocharger seals the door structure, the pin passes through the rocker arm and the hole on the sealing door, and the rocker arm drives the opening and closing of the sealing door to realize the exhaust limitation of the bypass port of the turbocharger by welding or riveting fixation. However, the structure has the defects that the rocker arm and the sealing door cannot be detached, the sealing door cannot be replaced, the sealing door can rotate in the opening and closing process, friction is continuously generated between the pin and the hole in the rocker arm, the pin has a large fracture risk, and the service life of the pin is shortened.
In order to solve the technical problem, a novel turbocharger rocker arm sealing door structure 1 provided in embodiment 1 of the present invention, as shown in fig. 1 to 4, includes a sealing door 11 located at an exhaust port of a turbocharger flow channel, a rocker arm 12 for driving the sealing door to open and close, and a connecting assembly 13; the rocker arm 12 is provided with a first through hole 121; the sealing door 11 is provided with a second through hole 111; the hole center lines of the first through hole 121 and the second through hole 111 are collinear; the connecting assembly 13 penetrates through the first through hole 121 and the second through hole 111 and is tightly connected; the sealing door 11 and the rocker arm 12 are detachably connected through a connecting assembly 13; the connecting part of the connecting component 13 and the rocker arm 12 is in a hexagonal prism structure; the first through hole 121 has a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure. The connecting part of the connecting component 13 and the rocker arm 12 is set to be in a hexagonal prism structure and the first through hole 121 which is matched with the connecting component and has a hexagonal hole structure, so that the sealing door 11 cannot rotate relatively in the opening and closing process, the abrasion of the connecting component 13 is prevented, the fracture risk of the connecting component 13 is reduced, and the service life of the connecting component is prolonged; and the sealing door 11 and the rocker arm 12 are detachably connected through the connecting component 13, so that the sealing doors 11 with different diameters can be conveniently detached and replaced, the same rocker arm 12 can meet the requirements of various sealing doors 11, and the universality of the rocker arm 12 is greatly increased.
In order to simplify the structure of the connecting assembly 13 and reduce the production cost of an enterprise, the novel turbocharger rocker arm sealing structure provided by the embodiment preferably includes, as shown in fig. 3 to 4, a locking nut 131 for locking the sealing door 11; the connecting part of the connecting component 13 and the sealing door 11 and the part extending out of the second through hole 111 are both provided with external threads; the inner wall surface of the second through hole 111 is provided with an internal thread matched with the external thread; the lock nut 131 is fitted with the external thread. Preferably, the connection assembly 13 further comprises a connection pin 132; the connection pin 132 penetrates the first through hole 121 and the second through hole 111; the connecting part of the connecting pin 132 and the sealing door 11 and the part extending out of the second through hole 111 are both provided with external threads; the closing door 11 and the swing arm 12 are detachably connected by a connecting pin 132 and a lock nut 131. Considering the restriction of sealing door 11 and rocking arm 12 installation space, being lock nut 131 and connecting pin 132 through setting up coupling assembling 13, can realizing the quick assembly disassembly who seals door 11 and rocking arm 12, and its space occupies lessly, and the structure is comparatively simple, and the dismouting is convenient, easily realizes to improve staff's work efficiency to a certain extent, reduced the manufacturing cost of enterprise.
In order to improve the stability of the sealing door 11 during opening and closing, the novel turbocharger rocker arm sealing door structure provided by the embodiment preferably includes, as shown in fig. 3 to 4, a rocker arm 12 including a first connecting portion 122; the first connecting portion 122 is of a flat structure; the first through hole 121 is opened on the first connection portion 122. Sealing door 11, first connecting portion 122 realizes detachably through lock nut 131 and connecting pin 132 and connects, consider the connection stability between first connecting portion 122 and sealing door 11, thereby set up the first connecting portion 122 of platykurtic structure, can increase the relative area of contact between first connecting portion 122 and sealing door 11, thereby make the connection between sealing door 11 and first connecting portion 122 more stable, and the flat structure has still reduced the assembly degree of difficulty of sealing door 11 and first connecting portion 122, staff's production efficiency has been improved.
In order to facilitate the disassembly and assembly of the rocker arm 12, in the novel turbocharger rocker arm sealing structure provided by the present embodiment, preferably, as shown in fig. 3, the rocker arm 12 further includes a second connecting portion 123; the second connecting portion 123 has an arc-shaped cylindrical structure; one end of the second connecting portion 123 is fixedly connected to the first connecting portion 122; a mounting boss 1231 is fixedly arranged at the other end of the second connecting part 123; the mounting boss 1231 has a conical structure with a vertex extending toward the second connecting portion 123. In consideration of the limitation of the position of the bypass port of the turbocharger and the installation position of the actuator, the second connecting part 123 with the arc-shaped cylindrical structure is arranged, and the rocker arm door sealing structure and the bypass port can be conveniently assembled; the mounting boss 1231 is provided to facilitate positioning of the bushing 126 to improve the operational stability of the rocker arm 12.
In order to facilitate the transmission of the power of the actuator of the turbocharger, the present embodiment provides a novel turbocharger rocker arm sealing structure, preferably, as shown in fig. 3, the rocker arm 12 further includes a pin 124; the pin 124 is fixedly connected with the mounting boss 1231, and the axis of the pin 124 is collinear with the center line of the mounting boss 1231. Preferably, the rocker arm 12 further comprises a rocker arm plate 125; one end of the rocker arm plate 125 is detachably connected with the pin shaft 124; the axis of the pin 124 is perpendicular to the face of the rocker plate 125. Considering the installation space and position limitations of the rocker arm 12 and the actuator, by arranging the pin shaft 124 and the rocker arm plate 125, the direction-changing conversion and transmission of the power of the actuator can be quickly and conveniently realized, and the structure is simple, the cost is low, and the implementation is easy.
In order to prolong the service life of the pin 124, the present embodiment provides a novel turbocharger rocker arm sealing structure, preferably, as shown in fig. 3, the rocker arm 12 further includes a bushing 126; the bushing 126 is sleeved on the pin shaft 124, the bushing 126 is detachably disposed between the mounting boss 1231 and the rocker arm plate 125, one end of the bushing 126 abuts against the mounting boss 1231, and the other end of the bushing 126 abuts against the rocker arm plate 125. Considering that the working environment of the pin shaft 124 is severe, it needs to bear relatively large pressure and vibration, and is easily damaged. Therefore, the bushing 126 can protect the pin 124 and reduce pressure, vibration and abrasion on the pin 124; certain anti-corrosion effect is achieved, and meanwhile, the bushing 126 is convenient to replace after being damaged, so that the rocker arm 12 is convenient to maintain; and the cost is lower, and the economic benefit of enterprises is greatly improved.
In order to facilitate connection with an actuator, the present embodiment provides a novel turbocharger rocker arm sealing structure, and preferably, as shown in fig. 3, the rocker arm 12 further includes a rotation pin 127; one end of the pivot pin 127 is detachably fixed to the other end of the rocker arm plate 125, and the other end of the pivot pin 127 is detachably fixed to an actuator of the turbocharger. Through the rotation pin 127 that sets up the output and be connected with the executor, can realize the power transmission of executor fast conveniently, the executor passes through rotation pin 127 and drives rocker plate 125 and rotate, drives round pin axle 124 again, second connecting portion 123 and first connecting portion 122 and rotates jointly to finally it opens and close the bypass in order to realize waste gas to drive sealing door 11 fast conveniently, and its simple structure easily makes, and the economic nature is better.
Those skilled in the art should understand that, in combination with the prior art and the above embodiments, those skilled in the art can implement the modifications, which are not described herein; such variations do not affect the essence of the present invention, and are not described herein.
The preferred embodiments of the present invention have been described; it is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the skilled person in the art, without affecting the essence of the invention, may make numerous possible variations and modifications, or may modify equivalent embodiments, without departing from the technical solution of the invention; therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (10)
1. A novel turbocharger rocker arm sealing door structure is characterized by comprising a sealing door positioned at an exhaust port of a turbocharger flow passage, a rocker arm used for driving the sealing door to open and close, and a connecting assembly; the rocker arm is provided with a first through hole; the sealing door is provided with a second through hole; the center lines of the first through hole and the second through hole are collinear; the connecting assembly penetrates through the first through hole and the second through hole and is tightly connected with the first through hole and the second through hole; the sealing door and the rocker arm are detachably connected through the connecting assembly; the connecting part of the connecting component and the rocker arm is in a hexagonal prism structure; the first through hole is of a hexagonal hole structure; the hexagonal prism structure is matched with the hexagonal hole structure.
2. The novel turbocharger rocker arm sealing structure as recited in claim 1, wherein the connecting assembly comprises a locking nut for locking the sealing door; the connecting part of the connecting component and the sealing door and the part extending out of the second through hole are both provided with external threads; an internal thread matched with the external thread is arranged on the inner wall surface of the second through hole; the locking nut is matched with the external thread.
3. The novel turbocharger rocker arm sealing structure of claim 2, wherein the connection assembly further comprises a connection pin; the connecting pin penetrates through the first through hole and the second through hole; the connecting part of the connecting pin and the sealing door and the part extending out of the second through hole are both provided with the external thread; the sealing door and the rocker arm are detachably connected through the connecting pin and the locking nut.
4. The novel turbocharger rocker arm sealing structure of claim 1, wherein the rocker arm includes a first connection portion; the first connecting part is of a flat structure; the first through hole is formed in the first connecting portion.
5. The novel turbocharger rocker arm sealing structure of claim 4, wherein the rocker arm further comprises a second connecting portion; the second connecting part is of an arc-shaped cylindrical structure; one end of the second connecting part is fixedly connected with the first connecting part; a mounting boss is fixedly arranged at the other end of the second connecting part; the mounting boss is of a conical structure with a conical top extending towards the second connecting part.
6. The novel turbocharger rocker arm sealing structure of claim 5, wherein the rocker arm further comprises a pin; the pin shaft is fixedly connected with the mounting boss, and the axis line of the pin shaft is collinear with the central line of the mounting boss.
7. The novel turbocharger rocker arm seal structure of claim 6, wherein the rocker arm further comprises a rocker plate; one end of the rocker arm plate is detachably connected with the pin shaft; the axis of the pin shaft is perpendicular to the plate surface of the rocker arm plate.
8. The novel turbocharger rocker arm sealing structure of claim 7, wherein the rocker arm further comprises a bushing; the bush sleeve is arranged on the pin shaft, the bush is detachably arranged between the mounting boss and the swing arm plate, one end of the bush abuts against the mounting boss, and the other end of the bush abuts against the swing arm plate.
9. The novel turbocharger rocker arm sealing structure of claim 7, wherein the rocker arm further comprises a rotation pin; one end of the rotating pin is detachably fixed to the other end of the rocker arm plate.
10. The novel turbocharger rocker arm sealing structure of claim 9, wherein the other end of the rotation pin is detachably fixed to an actuator of the turbocharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547265.8U CN210343491U (en) | 2019-09-18 | 2019-09-18 | Novel turbocharger rocker arm sealing door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547265.8U CN210343491U (en) | 2019-09-18 | 2019-09-18 | Novel turbocharger rocker arm sealing door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343491U true CN210343491U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921547265.8U Active CN210343491U (en) | 2019-09-18 | 2019-09-18 | Novel turbocharger rocker arm sealing door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343491U (en) |
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2019
- 2019-09-18 CN CN201921547265.8U patent/CN210343491U/en active Active
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