CN217270370U

CN217270370U - Diesel engine rocker arm assembly with low friction function

Info

Publication number: CN217270370U
Application number: CN202220624287.5U
Authority: CN
Inventors: 肖笛; 陈康; 向俊; 尹冬; 王敏; 岳伦强
Original assignee: Chongqing Xingdongli Machinery Co Ltd
Current assignee: Chongqing Xingdongli Machinery Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-23
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a diesel engine rocking arm assembly with low friction function relates to rocking arm assembly technical field. The utility model comprises a sleeve, wherein an extension cylinder is sleeved on the periphery of one end of the sleeve in a sliding way, and an outward flange is arranged at the other end of the sleeve; the gear is kept away from one end of the flanging, a threaded push rod in threaded fit with the extension cylinder is arranged at one end of the flanging, a positioning bolt is in threaded fit with the side of the sleeve, and a plurality of oil grooves are formed in the inner wall of the sleeve along the length direction. The utility model discloses a establish the device cover on the rocking arm axle, then rotate the interior ring gear and pass through the gear and drive a plurality of screw thread push rods and rotate simultaneously, drive an extension section of thick bamboo and slide along sleeve axis direction, and then the adjusting device's of being convenient for length, the rocking arm at the tight rocking arm axle both ends in top of being convenient for, and wear and tear appears in both ends after device live time overlength, adjusting device's length once more, and then the life of improving the device.

Description

Diesel engine rocker arm assembly with low friction function

Technical Field

The utility model belongs to the technical field of the rocking arm assembly, especially, relate to a diesel engine rocking arm assembly with low friction function.

Background

The valve rocker mechanism is an indispensable important mechanism of an internal combustion engine and is a component of a valve distribution system of the internal combustion engine. Internal combustion engine oil four duty cycle processes: air intake, compression, explosion, and exhaust. When air is fed, the air inlet rocker arm works, the air inlet valve is opened to allow combustible gas to enter the cylinder, the combustible gas is compressed, ignited and exploded, the combustible gas works through the exhaust valve rocker arm after doing work, the exhaust valve is opened to discharge the combusted gas out of the cylinder, and the four-stroke cycle process of the internal combustion engine is completed.

The patent application with the publication number of CN202756039U discloses a multi-cylinder valve rocker arm assembly, belongs to the power device field. The utility model provides a multi-cylinder valve rocker arm assembly, this rocker arm assembly include a preceding rocking arm seat, a plurality of rocking arms axle, rocking arm, spring, middle rocking arm seat and a back rocking arm seat, the rocking arm is installed on the rocking arm axle to separate with the spring through middle rocking arm seat. The utility model discloses can reduce the wearing and tearing of product to can adjust valve clearance, increase the bearing capacity and the life of product, satisfy the reliability of the operation of motor vehicle.

The multi-cylinder valve rocker arm assembly disclosed in the application has the advantages that the rocker arms at two ends of the rocker shaft are tightly pushed by the springs, the stability is poor, the springs are required to be replaced due to elastic fatigue after being used for a period of time, and the multi-cylinder valve rocker arm assembly is disassembled, so that the service life of the multi-cylinder valve rocker arm assembly is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diesel engine rocking arm assembly with low friction function has solved current multi-cylinder valve rocking arm assembly, and the rocking arm stability through the tight rocking arm axle both ends in spring top is relatively poor, and the spring uses after a period, can appear that elastic fatigue needs to be changed the spring, leads to the technical problem that multi-cylinder valve rocking arm assembly's life reduces.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a diesel engine rocker arm assembly with a low-friction function comprises a sleeve, wherein an extension cylinder is sleeved on the periphery of one end of the sleeve in a sliding mode, and an outward flange is arranged at the other end of the sleeve;

the gear is kept away from one end of the flanging, a threaded push rod in threaded fit with the extension cylinder is arranged at one end of the flanging, a positioning bolt is in threaded fit with the side of the sleeve, and a plurality of oil grooves are formed in the inner wall of the sleeve along the length direction.

Preferably, a plurality of guide strips are arranged on the inner wall of the extension cylinder along the length direction, and guide grooves corresponding to the guide strips are formed in the outer side of the sleeve along the length direction.

Preferably, a plurality of said guide strips are circumferentially arrayed on said inner wall of said elongated barrel.

Preferably, the outward flanging is provided with a limiting plate corresponding to the gear, and the limiting plate is positioned on one side of the gear, which is far away from the inner gear ring.

Preferably, the limiting plate is including fixing first arc on the flanging, fixing first arc is close to the second arc of extension section of thick bamboo one end, fixes the second arc is close to the third arc of extension section of thick bamboo one end, just the third arc is located the extension section of thick bamboo with between the gear.

Preferably, the flanging is provided with at least one Z-shaped limiting plate corresponding to the inner gear ring, and the Z-shaped limiting plate is rotatably matched with a fixing screw in threaded fit with the flanging.

Preferably, a plurality of said oil grooves are circumferentially arrayed on said sleeve inner wall.

The embodiment of the utility model has the following beneficial effects:

one embodiment of the utility model is that the device is sleeved on the rocker shaft, then the inner gear ring is rotated to drive a plurality of threaded push rods to rotate simultaneously through the gear, the extension cylinder is driven to slide along the axial direction of the sleeve, thereby the length of the device is convenient to adjust, the rocker arms at both ends of the rocker shaft are convenient to jack, when the device is used for a long time, both ends are worn, the length of the device can be adjusted again, thereby the service life of the device is prolonged, then the inner gear ring is tightly pressed through a Z-shaped limiting plate by screwing a fixing screw, the position of the inner gear ring is fixed, the position of the fixing screw on the rocker shaft is convenient to screw by arranging a positioning bolt, a plurality of oil grooves are arranged along the length direction by arranging the inner wall of the sleeve, the lubricating oil which is convenient for leaking out from the clearance between the rocker arm and the rocker shaft is temporarily stored in the oil groove and flows to another rocker arm through the extension cylinder, thereby the loss speed of the lubricating oil on the rocker arm assembly is convenient to reduce, the service life of the rocker arm assembly is prolonged.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

Wherein the figures include the following reference numerals:

the device comprises a sleeve 1, an extension cylinder 2, an outward flanging 3, a gear 4, an inner gear ring 5, a threaded push rod 6, a positioning bolt 7, a guide strip 8, a guide groove 9, a limiting plate 10, a Z-shaped limiting plate 11 and an oil groove 12;

a first arcuate plate 1001, a second arcuate plate 1002, a third arcuate plate 1003.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-3, in the present embodiment, a rocker arm assembly for a diesel engine with low friction function is provided, including: the sleeve comprises a sleeve 1, wherein an extension cylinder 2 is sleeved on the periphery of one end of the sleeve 1 in a sliding manner, and an outward flange 3 is arranged at the other end of the sleeve 1;

the circumference array has a plurality of

gears

4 and 5 with a plurality of gear engagement's internal tooth ring on the

flanging

3, and 3 one end of flanging is kept away from to gear 4 is equipped with and prolongs 2 screw-thread fit's of a section of thick bamboo screw

thread push rod

6, and 1 lateral part screw-thread fit of sleeve has positioning bolt 7, and 1 inner wall of sleeve is equipped with a plurality of oil grooves 12 along length direction.

The device is sleeved on a rocker arm shaft, then an inner gear ring 5 is rotated to drive a plurality of threaded push rods 6 to rotate simultaneously through a gear 4, an extension cylinder 2 is driven to slide along the axial direction of a sleeve 1, the length of the device is convenient to adjust, rocker arms at two ends of the rocker arm shaft are convenient to prop tightly, when the device is used for a long time, the length of the device can be adjusted again, the service life of the device is prolonged, then the inner gear ring 5 is tightly pressed through a Z-shaped limiting plate 11 by screwing a fixing screw, the position of the inner gear ring 5 is fixed, the position of the device on the rocker arm shaft is convenient to screw a positioning bolt 7 by arranging a plurality of oil grooves 12 along the length direction on the inner wall of the sleeve 1, lubricating oil leaked from a gap between the rocker arm and the rocker arm shaft is convenient to temporarily store lubricating oil through the oil grooves 12 and the extension cylinder 2 and flows to another rocker arm, and the loss speed of the lubricating oil on the rocker arm assembly is convenient to reduce, the service life of the rocker arm assembly is prolonged.

A plurality of guide strips 8 are arranged on the inner wall of the extension cylinder 2 along the length direction, and guide grooves 9 corresponding to the guide strips 8 are arranged on the outer side of the sleeve 1 along the length direction.

A particular plurality of guide strips 8 are circumferentially arrayed on the inner wall of the extension cylinder 2.

The specific outward flanging 3 is provided with a limiting plate 10 corresponding to the gear 4, and the limiting plate 10 is positioned on one side of the gear 4 far away from the inner gear ring 5.

The specific limiting plate 10 comprises a first arc-shaped plate 1001 fixed on the flanging 3, a second arc-shaped plate 1002 fixed at one end, close to the extension cylinder 2, of the first arc-shaped plate 1001, and a third arc-shaped plate 1003 fixed at one end, close to the extension cylinder 2, of the second arc-shaped plate 1002, and the third arc-shaped plate 1003 is located between the extension cylinder 2 and the gear 4.

At least one Z-shaped limiting plate 11 corresponding to the inner gear ring 5 is arranged on the specific outward flange 3, and a fixing screw which is in rotating fit with the outward flange 3 and is in threaded fit with the Z-shaped limiting plate 11 is arranged on the outward flange 3.

A particular plurality of oil grooves 12 are circumferentially arrayed on the inner wall of the sleeve 1.

Working principle; the device is sleeved on a rocker shaft, then an inner gear ring 5 is rotated to drive a plurality of threaded push rods 6 to rotate simultaneously through a gear 4, an extension cylinder 2 is driven to slide along the axis direction of a sleeve 1, the length of the device is convenient to adjust, then the inner gear ring 5 is tightly pressed through a Z-shaped limiting plate 11 by screwing a fixing screw, the position of the inner gear ring 5 is fixed, and then the position of the positioning bolt 7 on the rocker shaft is screwed.

The above embodiments may be combined with each other.

Claims

1. A diesel rocker arm assembly with low friction functionality, comprising: the sleeve comprises a sleeve (1), wherein an extension cylinder (2) is sleeved on the periphery of one end of the sleeve (1) in a sliding manner, and an outward flange (3) is arranged at the other end of the sleeve;

the circumference array has a plurality of gears (4) and is with a plurality of on flanging (3) gear engagement's internal tooth ring (5), keep away from gear (4) flanging (3) one end be equipped with extension section of thick bamboo (2) screw-thread fit's screw thread push rod (6), sleeve (1) lateral part screw-thread fit has positioning bolt (7), sleeve (1) inner wall is equipped with a plurality of oil grooves (12) along length direction.

2. The diesel rocker arm assembly with low friction function as in claim 1, wherein the extension cylinder (2) has a plurality of guide strips (8) along its length on its inner wall, and the sleeve (1) has guide grooves (9) corresponding to the guide strips (8) along its length on its outer side.

3. A diesel rocker arm assembly with low friction functionality as in claim 2, wherein a plurality of said guide strips (8) are circumferentially arrayed on the inner wall of said elongated barrel (2).

4. The diesel rocker arm assembly with low friction function as set forth in claim 3, wherein a limiting plate (10) corresponding to the gear (4) is disposed on the outward flange (3), and the limiting plate (10) is located on a side of the gear (4) away from the inner ring gear (5).

5. The diesel rocker arm assembly with low friction function as set forth in claim 4, wherein said limiting plate (10) comprises a first arc-shaped plate (1001) fixed to said flange (3), a second arc-shaped plate (1002) fixed to said first arc-shaped plate (1001) near one end of said extension cylinder (2), and a third arc-shaped plate (1003) fixed to said second arc-shaped plate (1002) near one end of said extension cylinder (2), and said third arc-shaped plate (1003) is located between said extension cylinder (2) and said gear (4).

6. The diesel rocker arm assembly with low friction function as in claim 1, wherein the outward flange (3) is provided with at least one zigzag limiting plate (11) corresponding to the internal gear ring (5), and the zigzag limiting plate (11) is provided with a fixing screw in a rotating fit with the outward flange (3) in a threaded fit manner.

7. A diesel rocker arm assembly with low friction as set out in claim 1, wherein a plurality of said oil grooves (12) are circumferentially arrayed on the inner wall of said sleeve (1).