CN212359880U - Durable engine valve rocker - Google Patents
Durable engine valve rocker Download PDFInfo
- Publication number
- CN212359880U CN212359880U CN202021080543.6U CN202021080543U CN212359880U CN 212359880 U CN212359880 U CN 212359880U CN 202021080543 U CN202021080543 U CN 202021080543U CN 212359880 U CN212359880 U CN 212359880U
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- rocker
- roller type
- groove
- rocker arm
- buffering
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Abstract
The utility model relates to a durable engine valve rocker, which comprises a rocker body, wherein the middle part of the rocker body is provided with a rocker shaft hole, the driving end of the rocker body is provided with a driving threaded hole, the triggering end is provided with a mounting groove and a pin shaft hole, and the mounting groove is provided with a roller type rocker head through a pin shaft; an annular oil groove I is arranged in the shaft hole of the rocker arm, an auxiliary oil passage is arranged in the pin shaft, and a main oil passage is arranged in the valve rocker arm; the mounting groove inner wall is provided with the mounting hole, and the mounting hole comprises buffering location portion and screw thread fixed part, is provided with buffering locating component in the buffering location portion, and screw thread fixed part matches to twist and connects there is the bolt, and buffering locating component includes spin, location end and elastic buffer post, and the location end is provided with the positioning groove that the spin radian matches. The utility model discloses the effectual condition that prevents to take place friction between roller type rocking arm head both sides and the valve rocker mounting groove further improves the life of valve rocker and the work safety of engine.
Description
Technical Field
The utility model relates to an engine accessories technical field especially relates to a durable engine valve rocker.
Background
Valve rocker arms are important metal fittings of engines. The middle part of the valve rocker is provided with a rocker shaft hole and is arranged on the rocker shaft through the rocker shaft hole for controlling the opening and closing of the inlet valve and the exhaust valve of the engine cylinder. One end of the valve rocker is a driving end, the other end of the rocker shaft is a triggering end, a hydraulic tappet is embedded in the triggering end, and the hydraulic tappet at the triggering end is changed into a roller type rocker arm head by the conventional valve rocker because large friction exists between the embedded hydraulic tappet and the valve.
The head part of the valve rocker arm is provided with a mounting groove and a pin shaft hole, the roller type rocker arm head is horizontally matched with the pin shaft hole through a pin shaft and is positioned and mounted in the mounting groove, and an oil way communicated with the roller type rocker arm head and the pin shaft is arranged in the pin shaft hole in order to ensure the lubrication between the roller type rocker arm head and the pin shaft; because the roller type rocker arm head rolls relative to the pin shaft when the valve is triggered, a certain gap exists between the two sides of the roller type rocker arm head and the mounting groove when the roller type rocker arm head is assembled, when an automobile runs at a high speed, the reciprocating swing frequency of the valve rocker arm is very high, and the triggering rotation of the roller type rocker arm head is very quick, so that the condition that the roller type rocker arm head swings towards the two sides due to the gap existing between the two sides of the roller type rocker arm head and the mounting groove after long-time running can be caused, and further, the condition that the friction occurs between the two sides of the roller type rocker arm head and the mounting groove can be caused, thereby influencing the service life of the valve rocker arm.
Disclosure of Invention
The utility model provides a solve above defect and provide a durable engine valve rocker, the effectual condition that prevents to take place the friction between roller type rocking arm head both sides and the valve rocker mounting groove further improves the life of valve rocker and the work security of engine.
In order to solve the technical problem, the utility model adopts the technical scheme that: a durable engine valve rocker comprises a rocker body, wherein a rocker shaft hole is formed in the middle of the rocker body, a driving threaded hole is formed in the driving end of the rocker body, an installation groove and a pin shaft hole are formed in the triggering end of the rocker body, and a roller type rocker head is installed in the installation groove through a pin shaft; the rocker arm body is internally provided with a main oil passage communicated with the annular oil groove I and the auxiliary oil passage; the inner wall that mounting groove and roller type rocking arm head both sides correspond sets up the mounting hole of a plurality of symmetries, and the mounting hole link up to the outside of rocking arm body, the mounting hole of each side of mounting groove all sets up as central circumference array with round pin shaft hole the central axis, the mounting hole comprises buffering location portion and screw thread fixed part, be provided with buffering locating component in the buffering location portion, the screw thread fixed part matches to twist and connects the bolt that is fixed in buffering location portion with buffering locating component location, buffering locating component includes spin, location end and elastic buffer post, spin and roller type rocking arm head's side butt, location end are provided with the positioning groove that spin radian matches, elastic buffer post one end and location end butt, the other end and bolt butt.
And annular positioning grooves which are correspondingly matched with the rolling balls are respectively arranged on two sides of the roller type rocker arm head.
The inner wall of the roller type rocker arm head is provided with a second annular oil groove communicated with the auxiliary oil passage, symmetrical T-shaped lubricating passages are arranged in the roller type rocker arm head, each T-shaped lubricating passage comprises an oil inlet main passage and an oil outlet branch passage, the oil inlet main passage is communicated with the second annular oil groove, and the oil outlet branch passages are respectively communicated with the annular positioning grooves on the two sides.
The end face of the elastic buffer column corresponding to the positioning end is provided with a fixing groove, and the positioning end is provided with a positioning convex column correspondingly matched with the fixing groove.
A buffer spring is arranged in the elastic buffer column, and the buffer spring and the elastic buffer column are manufactured in an integrated injection molding mode.
The utility model discloses following beneficial effect has:
compared with the prior art, the inner walls of the mounting grooves on the two sides of the roller type rocker arm head are provided with mounting holes, the buffering positioning components are arranged in the mounting holes and are fixed with bolts, the rolling balls of the buffering positioning components are abutted against the two side surfaces of the roller type rocker arm head, and the positioning pieces are used for positioning the rolling balls; when the roller type rocker arm head moves towards the action along with the high-frequency reciprocating rotation of the valve rocker arm, as the rolling ball is abutted against the roller type rocker arm head, the force of the roller type rocker arm head moving left and right is transmitted to the elastic buffer column of the buffer positioning assembly through the action of the rolling ball and the positioning end head, and after the force of the roller type rocker arm head moving left and right disappears, the elastic force of the elastic buffer column helps the roller type rocker arm head to reset through the rolling ball and the positioning end head; thereby effectively preventing the condition of friction between the two sides of the roller type rocker arm head and the valve rocker arm mounting groove, further prolonging the service life of the valve rocker arm and improving the working safety of the engine.
Compared with the prior art, the utility model discloses be provided with in roller type rocking arm head with the communicating annular oil groove two of vice logical oil duct and lead to the T type lubrication channel of roller type rocking arm head both sides and spin butt position, the lubricating oil accessible annular oil groove two of vice logical oil duct gets into to the T type lubrication channel in to roller type rocking arm head both sides and spin butt position lubricate, effectively reduce the frictional force that relative rotation produced between the two.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a perspective sectional view of the present invention in another direction;
fig. 5 is an enlarged view of a portion B of fig. 4.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 5, the present invention provides a durable engine valve rocker, including a rocker body 1, a rocker shaft hole 2 is provided in the middle of the rocker body 1, a driving screw hole 3 is provided at the driving end of the rocker body 1, a mounting groove 4 is provided at the triggering end, a pin shaft hole 5 is provided, and a roller type rocker head 7 is mounted at the mounting groove 4 through a pin shaft 6; an annular oil groove I8 is arranged in the rocker shaft hole 2, an auxiliary oil passage 9 is arranged in the pin shaft 6, and a main oil passage 10 for communicating the annular oil groove I8 with the auxiliary oil passage 9 is arranged in the middle of the rocker body 1; a plurality of symmetrical mounting holes 11 are arranged on the inner walls of the mounting groove 4 corresponding to the two sides of the roller type rocker arm head 7, the mounting holes 11 penetrate through the outer part of the rocker arm body 1, the mounting holes 11 on each side of the mounting groove 4 are arranged in a circumferential array by taking the central axis of the pin shaft hole 5 as a center, the mounting hole 11 is composed of a buffering positioning part 12 and a thread fixing part 13, a buffering positioning component is arranged in the buffering positioning part 12, the thread fixing part 13 is screwed with a bolt 15 which fixes the buffering positioning component in the buffering positioning part 12 in a positioning way, the buffering positioning assembly comprises a rolling ball 16, a positioning end 17 and an elastic buffering column 18, the rolling ball 16 is abutted against the side face of the roller type rocker arm head 7, the positioning end 17 is provided with a positioning groove 19 matched with the radian of the rolling ball 16, one end of the elastic buffering column 18 is abutted against the positioning end 17, and the other end of the elastic buffering column is abutted against the bolt 15.
And annular positioning grooves 20 which are correspondingly matched with the rolling balls 16 are respectively arranged at two sides of the roller type rocker arm head 7, so that the rotating stability of the rolling balls 16 is improved.
The inner wall of the roller type rocker arm head 7 is provided with a second annular oil groove 21 communicated with the auxiliary oil passage 9, symmetrical T-shaped lubricating passages 22 are arranged in the roller type rocker arm head 7, each T-shaped lubricating passage 22 comprises an oil inlet main passage 23 and an oil outlet branch passage 24, the oil inlet main passage 23 is communicated with the second annular oil groove 21, and the oil outlet branch passages 24 are respectively communicated with the annular positioning grooves 20 on the two sides.
The end face of the elastic buffer column 18 corresponding to the positioning end head 17 is provided with a fixing groove 25, and the positioning end head 17 is provided with a positioning convex column 26 correspondingly matched with the fixing groove 25; the firmness of buffering locating component installation is improved.
A buffer spring 27 is arranged in the elastic buffer column 18, and the buffer spring 27 and the elastic buffer column 18 are manufactured in an integral injection molding mode; the elastic buffer restoring force of the elastic buffer posts 18 is increased.
The durable engine valve rocker provided by the embodiment of the invention is described in detail above, and the principle and the implementation mode of the invention are explained by applying a specific example, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. A durable engine valve rocker comprises a rocker body, wherein a rocker shaft hole is formed in the middle of the rocker body, a driving threaded hole is formed in the driving end of the rocker body, an installation groove and a pin shaft hole are formed in the triggering end of the rocker body, and a roller type rocker head is installed in the installation groove through a pin shaft; the rocker arm body is internally provided with a main oil passage communicated with the annular oil groove I and the auxiliary oil passage; the method is characterized in that: the inner wall that mounting groove and roller type rocking arm head both sides correspond sets up the mounting hole of a plurality of symmetries, and the mounting hole link up to the outside of rocking arm body, the mounting hole of each side of mounting groove all sets up as central circumference array with round pin shaft hole the central axis, the mounting hole comprises buffering location portion and screw thread fixed part, be provided with buffering locating component in the buffering location portion, the screw thread fixed part matches to twist and connects the bolt that is fixed in buffering location portion with buffering locating component location, buffering locating component includes spin, location end and elastic buffer post, spin and roller type rocking arm head's side butt, location end are provided with the positioning groove that spin radian matches, elastic buffer post one end and location end butt, the other end and bolt butt.
2. A durable engine valve rocker arm as set forth in claim 1, wherein: and annular positioning grooves which are correspondingly matched with the rolling balls are respectively arranged on two sides of the roller type rocker arm head.
3. A durable engine valve rocker arm as set forth in claim 2, wherein: the inner wall of the roller type rocker arm head is provided with a second annular oil groove communicated with the auxiliary oil passage, symmetrical T-shaped lubricating passages are arranged in the roller type rocker arm head, each T-shaped lubricating passage comprises an oil inlet main passage and an oil outlet branch passage, the oil inlet main passage is communicated with the second annular oil groove, and the oil outlet branch passages are respectively communicated with the annular positioning grooves on the two sides.
4. A durable engine valve rocker arm as set forth in claim 1, wherein: the end face of the elastic buffer column corresponding to the positioning end is provided with a fixing groove, and the positioning end is provided with a positioning convex column correspondingly matched with the fixing groove.
5. A durable engine valve rocker arm as set forth in claim 4, wherein: a buffer spring is arranged in the elastic buffer column, and the buffer spring and the elastic buffer column are manufactured in an integrated injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080543.6U CN212359880U (en) | 2020-06-12 | 2020-06-12 | Durable engine valve rocker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080543.6U CN212359880U (en) | 2020-06-12 | 2020-06-12 | Durable engine valve rocker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359880U true CN212359880U (en) | 2021-01-15 |
Family
ID=74153667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021080543.6U Active CN212359880U (en) | 2020-06-12 | 2020-06-12 | Durable engine valve rocker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359880U (en) |
-
2020
- 2020-06-12 CN CN202021080543.6U patent/CN212359880U/en active Active
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