CN110848365A - Sliding cam mechanism - Google Patents
Sliding cam mechanism Download PDFInfo
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- CN110848365A CN110848365A CN201810956436.6A CN201810956436A CN110848365A CN 110848365 A CN110848365 A CN 110848365A CN 201810956436 A CN201810956436 A CN 201810956436A CN 110848365 A CN110848365 A CN 110848365A
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- oil
- cam mechanism
- circumferential surface
- annular
- oil passage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a sliding cam mechanism, which comprises a bearing retainer, a spline shaft and a cam sleeve sleeved on the spline shaft, wherein the cam sleeve is provided with two end parts and a neck part positioned between the two end parts; the bearing block is provided with an oil supply hole, and lubricating oil is supplied between the inner circumferential surface of the bearing block and the outer circumferential surface of the neck part through the oil supply hole; the neck is provided with an oil guide hole which extends from the outer circumferential surface of the neck to the inner circumferential surface of the neck. The sliding cam mechanism is also provided with an oil duct, an oil groove, an oil seal and other parts. The joint of the inner peripheral surface of the bearing block and the outer peripheral surface of the neck part, the joint of the outer peripheral surface of the spline shaft and the inner peripheral surface of the cam sleeve and the joint of the end surface of the bearing block and the thrust surface of the cam sleeve of the sliding cam mechanism can be fully lubricated.
Description
Technical Field
The invention relates to the technical field of cam mechanisms of engines, in particular to a sliding cam mechanism.
Background
The inside cam mechanism that will slide that can set up of engine, among the prior art, the lubricated form of cam mechanism that slides is mainly splash lubrication.
However, in practical applications, it has been found that the sliding cam mechanism using splash lubrication still has problems such as wear and seizure.
In view of this, the lubrication effect of the lift-sliding cam mechanism is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention aims to improve the lubricating effect of the sliding cam mechanism by arranging the oil hole, the oil duct and the oil groove on the sliding cam mechanism and reasonably configuring the arrangement positions of the oil hole, the oil duct, the oil groove and the like from the viewpoint of improving the self-lubricating performance of the sliding cam mechanism.
The invention provides a sliding cam mechanism, which comprises a bearing retainer, a spline shaft and a cam sleeve sleeved on the spline shaft, wherein the cam sleeve is provided with two end parts and a neck part positioned between the two end parts, and the bearing retainer is sleeved on the neck part; the bearing retainer is provided with an oil supply hole, and lubricating oil is supplied between the inner circumferential surface of the bearing retainer and the outer circumferential surface of the neck part through the oil supply hole; the neck is provided with an oil guide hole which penetrates from the outer peripheral surface of the neck to the inner peripheral surface of the neck.
When the sliding cam mechanism is used, lubricating oil can be supplied between the inner circumferential surface of the bearing stop and the outer circumferential surface of the neck through the oil supply hole, and the lubricating oil splashed to the surface of the sliding cam mechanism can also flow between the inner circumferential surface of the bearing stop and the outer circumferential surface of the neck through the oil supply hole, so that a lubricating oil film is formed between the inner circumferential surface of the bearing stop and the outer circumferential surface of the neck, and the mutual abrasion between the inner circumferential surface of the bearing stop and the outer circumferential surface of the neck is avoided.
And through setting up the oil guide hole that extends to the inner peripheral surface of neck from the outer peripheral surface of neck, make one end of oil guide hole communicate between the inner peripheral surface of bearing fender and the outer peripheral surface of neck, the other end communicates between the inner peripheral surface of neck and the outer peripheral surface of integral key shaft, make the lubricating oil between the inner peripheral surface of bearing fender and the outer peripheral surface of neck flow to between the inner peripheral surface of neck and the outer peripheral surface of integral key shaft through the oil guide hole, avoided the wearing and tearing of internal spline and external spline cooperation department.
Alternatively, the slide cam mechanism is provided with a first annular oil groove formed in an inner peripheral surface of the neck portion and/or an outer peripheral surface of the spline shaft, and the first annular oil groove directly communicates with the oil guide hole.
Optionally, an annular gap is formed between the inner peripheral surfaces of the two end parts and the outer peripheral surface of the spline shaft; and annular oil seals are arranged in the two annular gaps and used for preventing lubricating oil from leaking outwards from the annular gaps.
Optionally, the sliding cam mechanism is provided with a second annular oil groove, the second annular oil groove is formed on the outer circumferential surface of the neck portion and/or the inner circumferential surface of the bearing stop, and the second annular oil groove is directly communicated with the oil guide hole.
Optionally, the oil supply hole is in direct communication with the second annular oil groove.
Optionally, two thrust surfaces are formed at a joint of the neck and the two end portions, and two end surfaces of the bearing retainer respectively abut against one thrust surface; the sliding cam mechanism is provided with an oil channel used for leading lubricating oil from the inner circumferential surface of the bearing retainer and the outer circumferential surface of the neck part to the position between the thrust surface and the end surface which are mutually abutted.
Optionally, the oil passage includes a first pressure oil passage, the first pressure oil passage is formed on the thrust surface and/or the end surface that is in contact with the thrust surface, and one end of the first pressure oil passage extends to the outer circumferential surface of the neck portion and/or the inner circumferential surface of the bearing block.
Optionally, the bearing rail comprises an upper rail part and a lower rail part, and a bottom surface of the upper rail part is combined with a top surface of the lower rail part; the oil passage comprises a second pressure oil passage which is formed on the bottom surface and/or the top surface, one end of the second pressure oil passage extends to the end surface, and the other end of the second pressure oil passage is communicated between the inner circumferential surface of the bearing retainer and the outer circumferential surface of the neck.
Optionally, the oil passage includes a third pressure oil passage formed on an outer circumferential surface of the neck portion and/or an inner circumferential surface of the bearing holder, and one end of the third pressure oil passage extends to the thrust surface and/or the end surface that is in contact with the thrust surface.
Optionally, the sliding cam mechanism is further provided with a third annular oil groove, the third annular oil groove is formed in the thrust surface and/or the end surface that is in contact with the thrust surface, and the third annular oil groove is communicated with the oil passage.
Drawings
FIG. 1 is a schematic view of the overall structure of a sliding cam mechanism provided by the present invention;
FIG. 2 is a schematic partial structural view of a first embodiment of a sliding cam mechanism;
FIG. 3 is a schematic partial structural view of a second embodiment of the glide cam mechanism;
FIG. 4 is a partial schematic structural view of a third embodiment of the glide cam mechanism;
FIG. 5 is a partial schematic structural view of a fourth embodiment of a slipping cam mechanism;
FIG. 6 is a partial schematic structural view of a fifth embodiment of the glide cam mechanism;
FIG. 7 is a partial schematic structural view of a sixth embodiment of a slipping cam mechanism;
FIG. 8 is a partial schematic structural view of a seventh embodiment of the slipping cam mechanism;
fig. 9 is a partial structural schematic view of an eighth embodiment of the slide cam mechanism.
Wherein the reference numerals in fig. 1 to 9 are explained as follows:
spline shaft 1, cam sleeve 2, end part 21, neck part 22, cam 23, thrust surface a, bearing stop 3, end surface b, upper stop part 31, lower stop part 32 and annular oil seal 4;
01 oil guide hole, 02 first annular oil groove, 03 second annular oil groove, 04 first pressure oil passage, 05 second pressure oil passage, 06 auxiliary communication oil passage, 07 third pressure oil passage, 08 third annular oil groove.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Two points need to be explained first. One point is that: the end of a part (or component) referred to in the context is the axial end in the axial direction of the component. Another point is that, when a portion (or a member) is directly communicated with another portion (or a member), the lubricating oil flows out from the portion (or the member) and then directly flows into the another portion (or the member) without passing through the other portion (or the member).
Referring to fig. 1 to 9, fig. 1 is a schematic view of an overall structure of a sliding cam mechanism according to the present invention; FIG. 2 is a schematic partial structural view of a first embodiment of a sliding cam mechanism; FIG. 3 is a schematic partial structural view of a second embodiment of the glide cam mechanism; 4 is a partial structure schematic diagram of a third embodiment of the sliding cam mechanism; FIG. 5 is a partial schematic structural view of a fourth embodiment of a slipping cam mechanism; FIG. 6 is a partial schematic structural view of a fifth embodiment of the glide cam mechanism; FIG. 7 is a partial schematic structural view of a sixth embodiment of a slipping cam mechanism; FIG. 8 is a partial schematic structural view of a seventh embodiment of the slipping cam mechanism; fig. 9 is a partial structural schematic view of an eighth embodiment of the slide cam mechanism.
First, the overall structure of the slide cam mechanism provided by the present invention will be explained:
as shown in fig. 1, the slide cam mechanism includes a spline shaft 1, a cam sleeve 2, and a bearing bracket 3.
Wherein, the outer peripheral surface of the spline shaft 1 is provided with an external spline.
The inner peripheral surface of the cam sleeve 2 is provided with an internal spline, the cam sleeve 2 is sleeved on the spline shaft 1, and the internal spline is meshed with the external spline of the spline shaft 1. The cam sleeve 2 has both end portions 21, a neck portion 22 located between the both end portions 21, and two cams 23 provided on the outer peripheral surfaces of the both end portions 21. The cross-sectional dimension of the neck portion 22 is smaller than the cross-sectional dimensions of the end portions 21, and a single thrust surface a is formed at each joint of the neck portion 22 and each end portion 21.
The bearing stop 3 is externally sleeved on the neck 22 of the cam sleeve 2, and one end face b of the bearing stop 3 is abutted with one thrust surface a, and the other end face b is abutted with the other thrust surface a. Specifically, the bearing rail 3 is a split structure including an upper rail portion 31 and a lower rail portion 32, and in an assembled state, a bottom surface of the upper rail portion 31 and a top surface of the lower rail portion 32 are joined.
The following describes in detail the parts and components of the sliding cam mechanism for lubrication with reference to the following embodiments:
first embodiment
As shown in fig. 2, the bearing stopper 3 is provided with an oil supply hole (not visible in the drawing) for supplying lubricating oil between the inner circumferential surface of the bearing stopper 3 and the outer circumferential surface of the neck portion 22 to form a lubricating oil film between the inner circumferential surface of the bearing stopper 3 and the outer circumferential surface of the neck portion 22, thereby preventing the inner circumferential surface of the bearing stopper 3 and the outer circumferential surface of the neck portion 22 from being worn away from each other.
The neck portion 22 of the cam sleeve 2 is provided with an oil guide hole 01, and the oil guide hole 01 penetrates from the outer peripheral surface of the neck portion 22 to the inner peripheral surface of the neck portion 22. Specifically, one end of the oil guide hole 01 communicates between the inner circumferential surface of the bearing block 3 and the outer circumferential surface of the neck 22, and the other end communicates between the inner circumferential surface of the neck 22 and the outer circumferential surface of the spline shaft 1 (i.e., the engagement between the internal spline and the external spline).
By providing the oil guide hole 01, the lubricating oil between the inner circumferential surface of the bearing retainer 3 and the outer circumferential surface of the neck portion 22 can flow between the inner circumferential surface of the neck portion 22 and the outer circumferential surface of the spline shaft 1 through the oil guide hole 01, and abrasion at the fitting part of the inner spline and the outer spline is avoided.
Second embodiment
As shown in fig. 3, the second embodiment is provided with a first annular oil groove 02 in addition to the oil guide hole 01. The first annular oil groove 02 may be formed integrally on the inner peripheral surface of the neck portion 22, may be formed integrally on the outer peripheral surface of the spline shaft 1 (in this case, in the figure), or may be formed partially on the inner peripheral surface of the neck portion 22 and partially on the outer peripheral surface of the spline shaft 1.
The first annular oil groove 02 directly communicates with the oil guide hole 01. In this case, the first annular oil groove 02 needs to be disposed at a position corresponding to the oil outlet end of the oil guide hole 01. With this arrangement, the lubricating oil flowing out of the oil guide hole 01 directly flows into the first annular oil groove 02.
Through setting up first annular oil groove 02 can improve the oil storage capacity of internal spline and external spline cooperation department, avoids internal spline and external spline cooperation department not have enough space to hold lubricating oil and causes the unable problem of 01 dischargings in lubricating oil self-conductance oilhole.
Third embodiment
As shown in fig. 4, the third embodiment is provided with an annular oil seal 4 in addition to the oil guide hole 01 and the first annular oil groove 02. Specifically, annular gaps are formed between the inner peripheral surfaces of the two end portions 21 of the cam sleeve 2 and the outer peripheral surface of the spline shaft 1, and one annular oil seal 4 is disposed in each of the annular gaps. The annular oil seal 4 may be an O-ring or an annular retainer.
Through setting up two cyclic annular oil blanket 4, make two cyclic annular oil blankets 4, the inner peripheral surface of cam cover 2 and the outer peripheral surface of integral key shaft 1 enclose jointly and form the relatively confined space, both can prevent lubricating oil from the annular clearance outwards leaking, also can prevent impurity from the annular clearance invasion to can improve lubricated effect and can avoid because of the unusual wearing and tearing of impurity invasion cause internal spline and external splines cooperation department.
Fourth embodiment
As shown in fig. 5, in the fourth embodiment, a second annular oil groove 03 is provided in addition to the oil guide hole 01, the first annular oil groove 02, and the annular oil seal 4. The second annular oil groove 03 may be formed entirely on the outer peripheral surface of the neck portion 22, may be formed entirely on the inner peripheral surface of the bearing stopper 3 (this is the case in the figure), or may be formed partly on the outer peripheral surface of the neck portion 22 and partly on the inner peripheral surface of the bearing stopper 3.
The second annular oil groove 03 directly communicates with the oil guide hole 01, and the second annular oil groove 03 is disposed at a position corresponding to the oil inlet end of the oil guide hole 01. With this arrangement, the lubricating oil in the first annular oil groove 02 can directly flow into the oil guide holes 01.
By providing the second annular oil groove 03, the oil storage capacity between the inner circumferential surface of the bearing retainer 3 and the outer circumferential surface of the cam sleeve 2 can be improved, and the problem of abnormal wear caused by insufficient lubricating oil between the inner circumferential surface of the bearing retainer 3 and the outer circumferential surface of the cam sleeve 2 due to partial lubricating oil flowing into the oil guide hole 01 can be avoided.
Further, in a state where the second annular oil groove 03 is provided, the oil supply hole may be directly communicated with the second annular oil groove 03. At this time, the installation position of the second annular oil groove 03 needs to correspond to the oil outlet end of the oil supply hole at the same time. With this arrangement, the lubricating oil flowing out from the oil supply holes directly flows into the second annular oil groove 03, so that the loss of the lubricating oil can be reduced.
In addition to the four embodiments, the oil guide hole 01, the first annular oil groove 02, the annular oil seal 4, and the second annular oil groove 03 may be combined as follows: an oil guide hole 01 and an annular oil seal 4 are arranged; an oil guide hole 01 and a second annular oil groove 03 are provided; oil guide holes 01, a first annular oil groove 02, and a second annular oil groove 03 are provided; an oil guide hole 01, an annular oil seal 4 and a second annular oil groove 03 are provided.
Further, the sliding cam mechanism according to the present invention is provided with a portion and a member for lubricating the abutting thrust surface a and the end surface b on the basis of the above embodiments, and these portions and members may be provided separately from any of the above embodiments. These parts and components are described in detail below with reference to the following examples:
fifth embodiment
As shown in fig. 6, the fifth embodiment is provided with the first pressure oil passage 04. The first pressure oil passage 04 may be integrally formed at the thrust surface a, at which time one end of the first pressure oil passage 04 extends to the outer peripheral surface of the neck portion 22. The first pressure oil passage 04 may also be formed integrally on the end surface b (this is the case in the drawing), in which case one end of the first pressure oil passage 04 extends to the inner peripheral surface of the bearing rail 3. The first pressure oil passage 04 may be partially formed on the thrust surface a, and partially formed on the end surface b that abuts against the thrust surface a, in which case one end of the first pressure oil passage 04 extends to both the outer circumferential surface of the neck portion 22 and the inner circumferential surface of the bearing holder 3.
As shown in the drawing, the other end of the first pressure oil passage 04 may be set in a penetrating state (the first pressure oil passage 04 shown long in the drawing) communicating with the splash chamber of the engine, so as to facilitate oil drainage to the splash chamber of the engine, or may be set in a closed state (the first pressure oil passage 04 shown short in the drawing) not communicating with the splash chamber of the engine.
Sixth embodiment
As shown in fig. 7, the sixth embodiment is provided with the second pressure oil passage 05. The second pressure oil passage 05 may be formed integrally with the top surface of the lower rail 32 (this is the case in the drawing), with the bottom surface of the upper rail 31, with a portion formed on the top surface of the lower rail 32, and with another portion formed on the bottom surface of the upper rail 31.
One end of the second pressure oil passage 05 extends to the one end surface b, and the other end communicates between the outer circumferential surface of the neck portion 22 and the inner circumferential surface of the bearing stopper 3. At this time, part of the lubricating oil flows into the second pressure oil passage 05 from between the outer circumferential surface of the neck portion 22 and the inner circumferential surface of the bearing block 3, and flows from the second pressure oil passage 05 to between the thrust surface a and the end surface b, which interfere with each other.
In the concrete embodiment, an auxiliary communication oil passage 06 is provided on the top surface of the lower range portion 32, one end of the auxiliary communication oil passage 06 extends to the inner circumferential surface of the lower range portion 32, and the other end of the second pressure oil passage 05 directly communicates with the auxiliary communication oil passage 06, so that the other end of the second pressure oil passage 05 communicates with the inner circumferential surface of the bearing range 3 through the auxiliary communication oil passage 06 and the outer circumferential surface of the neck portion 22.
Seventh embodiment
As shown in fig. 8, the seventh embodiment is provided with a third pressure oil passage 07. The third pressure oil passage 07 may be integrally formed in the outer peripheral surface of the neck portion 22 (this is the case in the drawing), and at this time, one end of the third pressure oil passage 07 extends to a thrust surface a. The third pressure oil passage 07 may also be formed integrally on the inner peripheral surface of the bearing holder 3, in which case one end of the third pressure oil passage 07 extends to an end surface b. The third pressure oil passage 07 may also have a portion formed on the outer circumferential surface of the neck portion 22 and another portion formed on the inner circumferential surface of the bearing block 3, and in this case, one end of the third pressure oil passage 07 extends to both a thrust surface a and an end surface b abutting against the thrust surface a.
The other end of the third pressure oil passage 07 may be provided in a penetrating state (the third pressure oil passage 07 shown in the drawing) that extends to the other end surface b and/or the other thrust surface a, or in a closed state (the third pressure oil passage 07 shown in the drawing) that does not extend to the other end surface b and/or the other thrust surface a.
Eighth embodiment
As shown in fig. 9, the eighth embodiment provides the third annular oil groove 08 in addition to the provision of the above-described second pressure oil passage 05. The third annular oil groove 08 may be formed integrally with one end surface b (this is the case in the drawing), may be formed integrally with a thrust surface a, or may be formed partially with one end surface b and partially with the other end surface a that abuts against the end surface b.
The third annular oil groove 08 communicates with the second pressure oil passage 05, the lubricating oil flowing out of the second pressure oil passage 05 flows into the third annular oil groove 08, and the third annular oil groove 08 is provided to guide the lubricating oil in the second pressure oil passage 05 between the end surface b and the thrust surface a, which collide with each other.
The third annular oil groove 08 may be provided in cooperation with the first pressure oil passage 04 and the second pressure oil passage 05. Specifically, the third annular oil groove 08 may be made to communicate with the first pressure oil passage 04 and the second pressure oil passage 05.
In summary, the following joints of the sliding cam mechanism provided by the invention can be fully lubricated:
the junction between the inner peripheral surface of the bearing rail 3 and the outer peripheral surface of the neck 22
The junction between the outer peripheral surface of the spline shaft 1 and the inner peripheral surface of the cam sleeve 2
Junction between end surface b of bearing retainer 3 and thrust surface a of cam sleeve 2
The junction of the top surface of the top rail 31 and the bottom surface of the bottom rail 32.
Therefore, the sliding cam mechanism provided by the invention has better lubricating performance, can effectively reduce undesirable wear in the operation process, and does not influence the normal operation of the original oil supply system of the engine.
The slide cam mechanism provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A sliding cam mechanism is characterized by comprising a bearing rail (3), a spline shaft (1) and a cam sleeve (2) sleeved on the spline shaft (1), wherein the cam sleeve (2) is provided with two end parts (21) and a neck part (22) positioned between the two end parts (21), and the bearing rail (3) is sleeved on the neck part (22); the bearing retainer (3) is provided with an oil supply hole, and lubricating oil is supplied between the inner circumferential surface of the bearing retainer (3) and the outer circumferential surface of the neck part (22) through the oil supply hole; the neck portion (22) is provided with an oil guide hole (01), and the oil guide hole (01) penetrates from the outer peripheral surface of the neck portion (22) to the inner peripheral surface of the neck portion (22).
2. The sliding cam mechanism according to claim 1, characterized in that the sliding cam mechanism is provided with a first annular oil groove (02), the first annular oil groove (02) is formed in the inner peripheral surface of the neck portion (22) and/or the outer peripheral surface of the spline shaft (1), and the first annular oil groove (02) directly communicates with the oil guide hole (01).
3. The slide cam mechanism according to claim 1, wherein an annular gap is formed between the inner peripheral surfaces of both end portions (21) and the outer peripheral surface of the spline shaft (1); and annular oil seals (4) are arranged in the two annular gaps and used for preventing lubricating oil from leaking outwards from the annular gaps.
4. The sliding cam mechanism according to claim 1, characterized in that the sliding cam mechanism is provided with a second annular oil groove (03), the second annular oil groove (03) is formed on the outer circumferential surface of the neck portion (22) and/or the inner circumferential surface of the bearing rail (3), and the second annular oil groove (03) directly communicates with the oil guide hole (01).
5. The glide cam mechanism of claim 4 wherein said oil supply hole is in direct communication with said second annular oil groove (03).
6. A sliding cam mechanism according to any one of claims 1-5, characterized in that the junction between the neck (22) and the two ends (21) is formed with two thrust surfaces (a), and the two end surfaces (b) of the bearing rail (3) each abut against one of the thrust surfaces (a); the sliding cam mechanism is provided with an oil channel for introducing lubricating oil between the inner circumferential surface of the bearing stop (3) and the outer circumferential surface of the neck portion (22) to a position between the thrust surface (a) and the end surface (b) which are in mutual interference.
7. The slipping cam mechanism of claim 6, characterized in that the oil passage includes a first pressure oil passage (04), the first pressure oil passage (04) is formed at the thrust surface (a) and/or the end surface (b) that is in contact with the thrust surface (a), and one end of the first pressure oil passage (04) extends to the outer circumferential surface of the neck portion (22) and/or the inner circumferential surface of the bearing rail (3).
8. The glide cam mechanism of claim 6, wherein the bearing rail (3) comprises an upper rail portion (31) and a lower rail portion (32), a bottom surface of the upper rail portion (31) being combined with a top surface of the lower rail portion (32); the oil passages comprise a second pressure oil passage (05), the second pressure oil passage (05) is formed on the bottom surface and/or the top surface, one end of the second pressure oil passage (05) extends to the end surface (b), and the other end of the second pressure oil passage is communicated between the inner circumferential surface of the bearing block (3) and the outer circumferential surface of the neck part (22).
9. The slipping cam mechanism of claim 6, characterized in that the oil passage comprises a third pressure oil passage (06), the third pressure oil passage (06) being formed in the outer circumferential surface of the neck portion (22) and/or the inner circumferential surface of the bearing rail (3), and one end of the third pressure oil passage (06) extending to the thrust surface (a) and/or the end surface (b) that is in abutment with the thrust surface (a).
10. The sliding cam mechanism according to claim 6, characterized in that the sliding cam mechanism is further provided with a third annular oil groove (07), the third annular oil groove (07) is formed on the thrust surface (a) and/or the end surface (b) that is in contact with the thrust surface (a), and the third annular oil groove (07) is communicated with the oil passage.
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| CN201810956436.6A CN110848365B (en) | 2018-08-21 | 2018-08-21 | Sliding cam mechanism |
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| CN201810956436.6A CN110848365B (en) | 2018-08-21 | 2018-08-21 | Sliding cam mechanism |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117020A1 (en) * | 2001-02-28 | 2002-08-29 | Stephen Novak | Camshaft lubrication system and method of construction thereof |
| CN101233331A (en) * | 2005-06-01 | 2008-07-30 | 费德罗-莫格尔公司 | Thrust bearing |
| CN201433797Y (en) * | 2008-04-24 | 2010-03-31 | 福特环球技术公司 | Agent control device for supplying public engine oil to agent control member and camshaft bearing |
| CN201884618U (en) * | 2010-12-20 | 2011-06-29 | 浙江一标紧固件有限公司 | Cam shaft thrust plate |
| CN102144078A (en) * | 2008-09-19 | 2011-08-03 | 博格华纳公司 | Cam torque actuated phaser using band check valves built into a camshaft or concentric camshafts |
| CN203022834U (en) * | 2013-01-10 | 2013-06-26 | 上海通用汽车有限公司 | Hollow cam shaft |
| WO2014013409A2 (en) * | 2012-07-17 | 2014-01-23 | Mechadyne International Limited | A concentric camshaft arrangement |
| CN104411924A (en) * | 2012-04-24 | 2015-03-11 | 蒂森克虏伯普利斯坦技术中心股份公司 | Camshaft having adjustable cams that can be oiled by means of pressure oil |
| CN105339607A (en) * | 2013-06-27 | 2016-02-17 | 蒂森克虏伯普利斯坦技术中心股份公司 | Adjustable camshaft |
| WO2016023687A1 (en) * | 2014-08-11 | 2016-02-18 | Thyssenkrupp Presta Teccenter Ag | Camshaft with sliding cam packet |
| CN105587354A (en) * | 2014-11-12 | 2016-05-18 | 保时捷股份公司 | Supporting structure of switching camshaft |
| CN106150582A (en) * | 2015-04-03 | 2016-11-23 | 上汽通用五菱汽车股份有限公司 | A kind of engine exhaust camshaft |
| CN107075979A (en) * | 2014-11-06 | 2017-08-18 | 蒂森克虏伯普利斯坦技术中心股份公司 | The camshaft of sliding members with least one axial restraint |
| CN107401436A (en) * | 2016-05-20 | 2017-11-28 | 上海汽车集团股份有限公司 | Engine and its camshaft, cam gear, control cam |
| CN207064480U (en) * | 2017-06-20 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Rotating shaft assembly and there is its engine |
-
2018
- 2018-08-21 CN CN201810956436.6A patent/CN110848365B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117020A1 (en) * | 2001-02-28 | 2002-08-29 | Stephen Novak | Camshaft lubrication system and method of construction thereof |
| CN101233331A (en) * | 2005-06-01 | 2008-07-30 | 费德罗-莫格尔公司 | Thrust bearing |
| CN201433797Y (en) * | 2008-04-24 | 2010-03-31 | 福特环球技术公司 | Agent control device for supplying public engine oil to agent control member and camshaft bearing |
| CN102144078A (en) * | 2008-09-19 | 2011-08-03 | 博格华纳公司 | Cam torque actuated phaser using band check valves built into a camshaft or concentric camshafts |
| CN201884618U (en) * | 2010-12-20 | 2011-06-29 | 浙江一标紧固件有限公司 | Cam shaft thrust plate |
| CN104411924A (en) * | 2012-04-24 | 2015-03-11 | 蒂森克虏伯普利斯坦技术中心股份公司 | Camshaft having adjustable cams that can be oiled by means of pressure oil |
| WO2014013409A2 (en) * | 2012-07-17 | 2014-01-23 | Mechadyne International Limited | A concentric camshaft arrangement |
| CN203022834U (en) * | 2013-01-10 | 2013-06-26 | 上海通用汽车有限公司 | Hollow cam shaft |
| CN105339607A (en) * | 2013-06-27 | 2016-02-17 | 蒂森克虏伯普利斯坦技术中心股份公司 | Adjustable camshaft |
| WO2016023687A1 (en) * | 2014-08-11 | 2016-02-18 | Thyssenkrupp Presta Teccenter Ag | Camshaft with sliding cam packet |
| CN107075979A (en) * | 2014-11-06 | 2017-08-18 | 蒂森克虏伯普利斯坦技术中心股份公司 | The camshaft of sliding members with least one axial restraint |
| CN105587354A (en) * | 2014-11-12 | 2016-05-18 | 保时捷股份公司 | Supporting structure of switching camshaft |
| CN106150582A (en) * | 2015-04-03 | 2016-11-23 | 上汽通用五菱汽车股份有限公司 | A kind of engine exhaust camshaft |
| CN107401436A (en) * | 2016-05-20 | 2017-11-28 | 上海汽车集团股份有限公司 | Engine and its camshaft, cam gear, control cam |
| CN207064480U (en) * | 2017-06-20 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Rotating shaft assembly and there is its engine |
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