CN105370334B - A kind of camshaft structure - Google Patents
A kind of camshaft structure Download PDFInfo
- Publication number
- CN105370334B CN105370334B CN201510814228.9A CN201510814228A CN105370334B CN 105370334 B CN105370334 B CN 105370334B CN 201510814228 A CN201510814228 A CN 201510814228A CN 105370334 B CN105370334 B CN 105370334B
- Authority
- CN
- China
- Prior art keywords
- axostylus axostyle
- cam
- locating slot
- oilhole
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/101—Lubrication of valve gear or auxiliaries of cam surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
- F01M2001/064—Camshaft with passageways
Abstract
The invention discloses a kind of camshaft structure, including axostylus axostyle and axostylus axostyle core；Axostylus axostyle set is provided with axostylus axostyle, axostylus axostyle, which is put, is provided with internal thread；The center line covered along axostylus axostyle offers axis hole, the outer wall of axostylus axostyle set offers the first locating slot, the outer wall of axostylus axostyle set radially offers the first oil groove, the first oilhole is provided with first oil groove, first oilhole communicates with axis hole, and shaft rod upper sleeve, which is provided with the Sealing shield ring present invention, has easily replacing, convenient maintenance, increase the service life, reduce the beneficial effects such as cost.
Description
Technical field
The present invention relates to a kind of camshaft structure.
Background technology
Existing engine combustion process mainly includes air inlet, compression, power and exhaust, wherein, air inlet is piston from top dead-centre
Bottom dead centre is come downwards to, air intake valve 51 is opened, and drain tap 52 is closed, and now, part negative pressure of vacuum is produced in cylinder 5, by vapour
In the gaseous mixture of oil and air suction cylinder 5；Compression travel, piston go upward to top dead-centre from bottom dead centre, and now air valve is closed,
Air bleeding valve is opened, and the waste gas to be burnt in cylinder 5, is drained into through drain tap 52 in air；Control its air intake valve 51 of engine and row
The main element switched between air valve 52 is camshaft, existing camshaft mainly on axostylus axostyle integrally formed with admission cam and
Exhaust cam, it is in contact with the Rocker arm 5 11 respectively with air intake valve 51 and drain tap 52, makes admission cam and exhaust cam shape
Set up into certain stagger angle, reached control air inlet, the opening and closing of drain tap 52, due on existing camshaft
Admission cam extremely exhaust cam is integrally formed with axostylus axostyle, therefore the angle to stagger between the two is in fixing shape, is opened when carrying out engine
During hair, it is necessary to make the admission cam and exhaust cam of different various different offset angular specifications, cost is higher；It is in addition, existing
Camshaft structure, its admission cam and exhaust cam are integrally formed on axostylus axostyle, when camshaft, admission cam, exhaust cam or
Axostylus axostyle any one when being damaged, camshaft just will be changed entirely, reduce the service life of whole camshaft.
Therefore those skilled in the art are directed to developing a kind of camshaft for reducing cost.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention, which are that exploitation is a kind of, reduces cost
Camshaft.
To achieve the above object, the invention provides provide a kind of camshaft structure, including axostylus axostyle and axostylus axostyle core；On axostylus axostyle
Axostylus axostyle set is provided with, axostylus axostyle, which is put, is provided with internal thread；The center line covered along axostylus axostyle offers axis hole, and the outer wall of axostylus axostyle set opens up
There is the first locating slot, the outer wall of axostylus axostyle set radially offers the first oil groove, the first oilhole, the first oilhole are provided with the first oil groove
Communicated with axis hole, shaft rod upper sleeve is provided with Sealing shield ring；
Axostylus axostyle set is arranged with the first cam, spacer ring and the second cam successively from top to bottom；The outer wall of first cam opens up
There is the second oilhole, the inwall of the first cam offers several the second locating slots, set between the first locating slot and the second locating slot
The first alignment pin is equipped with, the first cam is axially disposed the first damping hole, and the first damping hole communicates with the second oilhole；
The second damping hole is provided with second cam, the inwall of the second cam is provided with the 3rd locating slot；3rd locating slot
The second alignment pin is provided between the first locating slot；
Axostylus axostyle core includes shaft, and shaft top is provided with termination, is provided with termination and holds groove；Opened up along the center line of shaft
There is oil duct, oil duct is with holding groove insertion；
The second oil groove is provided with the middle part of shaft, the 4th oilhole, the 4th oilhole and the oil duct are provided with the second oil groove
Insertion；The bottom of shaft is provided with external screw thread；Shaft sequentially passes through the second cam, spacer ring and the first cam, and is located at axis hole
In, shaft covers with axostylus axostyle to be connected by internal thread with external screw thread.
Preferably, offering perforation along the center line of spacer ring, spacer ring is set in axostylus axostyle by perforation and put.
The beneficial effects of the invention are as follows：The present invention, which has, easily to be changed, and convenient maintenance, is increased the service life, is reduced cost etc.
Beneficial effect.
Brief description of the drawings
Fig. 1 is decomposition texture schematic diagram of the present invention.
Fig. 2 is the structural representation of an embodiment.
Fig. 3 is the cross section structure diagram of the present invention.
Fig. 4 is embodiment schematic diagram.
Embodiment
With reference to the accompanying drawings and examples
The invention will be further described：
As Figure 1-Figure 4, a kind of camshaft structure, including axostylus axostyle 1 and axostylus axostyle core 11；Axostylus axostyle set is provided with axostylus axostyle 1
12, axostylus axostyle covers is provided with internal thread 122 on 12；Axis hole 121 is offered along the center line of axostylus axostyle set 12, the outer wall of axostylus axostyle set 12 is opened
Provided with the first locating slot 123, the outer wall of axostylus axostyle set 12 radially offers the first oil groove 124, and first is provided with the first oil groove 124
Oilhole 125, the first oilhole 125 are communicated with axis hole 121, and Sealing shield ring 126 is arranged with axostylus axostyle 1；The Sealing shield ring 126 is used for first
Cam 21 carries out spacing.
Axostylus axostyle set 12 is arranged with the first cam 21, the cam 22 of spacer ring 3 and second successively from top to bottom；First cam 21
Outer wall offers the second oilhole 213, and the inwall of the first cam 21 offers several the second locating slots 212, the first locating slot 123
It is provided with the first alignment pin 4 between the second locating slot 212, the first cam 21 is axially disposed the first damping hole 211, and first
Damping hole 211 communicates with the second oilhole 213；
The second damping hole 221 and the 3rd oilhole 223, the second damping hole 221 and the 3rd oilhole are provided with second cam 22
223 communicate, and the inwall of the second cam 22 is provided with the 3rd locating slot 222；Between 3rd locating slot 222 and the first locating slot 123
It is provided with the second alignment pin 41.The second locating slot 212 and the 3rd locating slot 222 in the present invention is corresponding with the first locating slot 123
Set.
Axostylus axostyle core 11 includes shaft 111, and the top of shaft 111 is provided with termination 112, is provided with termination 112 and holds groove 113；
Oil duct 114 is offered along the center line of shaft 111, oil duct 114 penetrates with holding groove 113；
The middle part of shaft 111 is provided with the second oil groove 115, and the 4th oilhole 116, the 4th oil are provided with the second oil groove 115
Hole 116 penetrates with oil duct 114；The bottom of shaft 111 is provided with external screw thread 117；Shaft 111 sequentially pass through the second cam 22,
The cam 21 of spacer ring 3 and first, and in axis hole 121, shaft 111 is connected with axostylus axostyle set 12 by internal thread 122 and external screw thread 117
Connect.It is connected, can be facilitated to the second cam 22, spacer ring 3, the first cam 21 and axostylus axostyle with external screw thread 117 by internal thread 122
1 replacing and maintenance.
Perforation 31 is offered along the center line of spacer ring 3, spacer ring 3 is set on axostylus axostyle set 12 by perforation 31.Between being somebody's turn to do
Spacer ring 3 is bonded between the first cam 21 and the second cam 22, and with the first cam 21 and the second cam 22.
, can be first by the as engine producer to carry out engine air admittance valve 51 and when drain tap 52 opens and closes test
One cam 21 is socketed on axostylus axostyle set 12, and the first cam 21 is adjusted to required angle, positioned after adjusting, then by first
Pin 4 is embedded between the second locating slot 212 and the first locating slot 123, so as to fix the angle of the first cam 21.Then will interval
Ring 3 using perforation 31 be socketed in axostylus axostyle set 12 on, the lower end of the first cam 2 is bonded with Sealing shield ring 126, the first cam 21 it is upper
End is bonded with the lower end of spacer ring 3, then the second cam 22 is set on axostylus axostyle set 12 again, now the lower end of the second cam 22
It is bonded with the upper end of spacer ring 3, is adjusted by the second cam 22 to required angle, after adjusts, then by the second alignment pin 41
Between embedded 3rd locating slot 222 and the first locating slot 123, so as to fix the angle after the adjustment of the second cam 22, so that
The angle of presumptive test is formed between first cam 21 and the second cam 22.Subsequent producer can be by the first cam 21 and second
The camshaft of angle is arranged in engine cylinder 5 after cam 22 is default, and the first cam 21 and the second cam 22 is corresponded to respectively
The air intake valve 51 and drain tap 52 of engine, then, start the motor with assembling cam shaft, to drive camshaft to rotate, this
When, the camshaft in rotation contacts air intake valve 51 and air bleeding valve according to the angle of assembling of the first cam 21 and the second cam 22
The Rocker arm 5 11 of door 52, the test result of engine is obtained with this.Meanwhile while camshaft is operated, lubricating oil is led to
Hold groove 113 and be injected into oil duct 114, centrifugal action when being rotated using camshaft, you can by the lubricating oil in oil duct 114 through
Four oilholes 116 are flowed into the first oilhole 125, through the second damping hole 221 and the first damping hole 211, by the 3rd oilhole 223 and
Two oilholes 213 flow out, and make so as to play lubrication to the surface and Rocker arm 5 11 of the first cam 21 and the second cam 22 using lubricating oil
With, reduce heat energy caused by friction, with increase the air intake valve 51 of engine and drain tap 52 than suitable with camshaft
Smooth property, effectively extends service life.
The present invention can arbitrarily convert the angle of the first cam 21 and the second cam 22, be surveyed when producer carries out engine exploitation
During examination, you can according to needed for test, quickly the first cam 21 and the second cam 22 are adjusted to required angle, it is effective to improve
The testing efficiency of engine exploitation, moreover, it is not necessary to by changing camshaft during test different angle, effectively saved into
This, in addition when the first cam 21, the second cam 22 or axostylus axostyle 1 damage, can individually be changed, without again to whole device
Changed, effectively saved cost.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (2)
1. a kind of camshaft structure, it is characterized in that：Including axostylus axostyle (1) and axostylus axostyle core (11)；Axostylus axostyle is provided with the axostylus axostyle (1)
Cover (12), internal thread (122) is provided with the axostylus axostyle set (12)；Axis hole is offered along the center line of the axostylus axostyle set (12)
(121), the outer wall of the axostylus axostyle set (12) offers the first locating slot (123), and the outer wall of the axostylus axostyle set (12) radially opens up
There is the first oil groove (124), the first oilhole (125), first oilhole (125) and institute are provided with first oil groove (124)
State axis hole (121) to communicate, Sealing shield ring (126) is arranged with the axostylus axostyle (1)；
The axostylus axostyle set (12) is arranged with the first cam (21), spacer ring (3) and the second cam (22) successively from top to bottom；It is described
The outer wall of first cam (21) offers the second oilhole (213), the inwall of first cam (21) offer several second
Locating slot (212), the first alignment pin (4) is provided between first locating slot (123) and second locating slot (212),
First cam (21) is axially disposed the first damping hole (211), first damping hole (211) and second oilhole
(213) communicate；
The second damping hole (221) is provided with second cam (22), the inwall of second cam (22) is provided with the 3rd
Locating slot (222)；The second alignment pin (41) is provided between 3rd locating slot (222) and first locating slot (123)；
The axostylus axostyle core (11) includes shaft (111), and shaft (111) top is provided with termination (112), the termination
(112) it is provided with and holds groove (113)；Offer oil duct (114) along the center line of the shaft (111), the oil duct (114) with
It is described to hold groove (113) insertion；
The second oil groove (115) is provided with the middle part of the shaft (111), the 4th oilhole is provided with second oil groove (115)
(116), the 4th oilhole (116) penetrates with the oil duct (114)；The bottom of the shaft (111) is provided with external screw thread
(117)；The shaft (111) sequentially passes through second cam (22), spacer ring (3) and first cam (21), and position
In the axis hole (121), the shaft (111) passes through the internal thread (122) and the outer spiral shell with the axostylus axostyle set (12)
Line (117) connects.
2. a kind of camshaft structure as claimed in claim 1, it is characterized in that：Offered along the center line of the spacer ring (3)
Perforate (31), the spacer ring (3) is set on the axostylus axostyle set (12) by the perforation (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814228.9A CN105370334B (en) | 2015-11-23 | 2015-11-23 | A kind of camshaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814228.9A CN105370334B (en) | 2015-11-23 | 2015-11-23 | A kind of camshaft structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370334A CN105370334A (en) | 2016-03-02 |
| CN105370334B true CN105370334B (en) | 2018-01-16 |
Family
ID=55372886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814228.9A Active CN105370334B (en) | 2015-11-23 | 2015-11-23 | A kind of camshaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370334B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276776A (en) * | 2018-10-31 | 2019-01-29 | 厚爱医疗仪器（江苏）有限公司 | A kind of fast regulating camshaft for medical infusion pump |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140757A (en) * | 1962-05-28 | 1964-07-14 | Willys Motors Inc | Lubrication system |
| DE1295275B (en) * | 1965-05-25 | 1969-05-14 | Buckau Wolf Maschf R | Valve-controlled multi-cylinder internal combustion engine |
| EP1403497A1 (en) * | 2002-09-30 | 2004-03-31 | Honda Giken Kogyo Kabushiki Kaisha | Camshaft bearing structure for over-head camshaft type internal combustion engine |
| CN101086215A (en) * | 2006-06-07 | 2007-12-12 | 福特环球技术公司 | A camshaft system for an internal combustion engine |
| EP1963629A1 (en) * | 2005-12-15 | 2008-09-03 | Schaeffler KG | Camshaft adjuster |
| CN201372820Y (en) * | 2009-03-23 | 2009-12-30 | 浙江和日摇臂有限公司 | Fixed seat of camshaft |
| CN101984223A (en) * | 2010-11-26 | 2011-03-09 | 奇瑞汽车股份有限公司 | Novel camshaft bearing seat |
| CN201771566U (en) * | 2010-08-27 | 2011-03-23 | 重庆长安汽车股份有限公司 | Single-air-inlet-side VVT engine camshaft bearing cap |
| CN205206894U (en) * | 2015-11-23 | 2016-05-04 | 重庆祥吉机械制造有限公司 | Novel camshaft structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3435143B2 (en) * | 2001-03-09 | 2003-08-11 | 川崎重工業株式会社 | Overhead cam type V engine |
| DE102007063257A1 (en) * | 2007-12-31 | 2009-07-02 | Mahle International Gmbh | Storage facility |
-
2015
- 2015-11-23 CN CN201510814228.9A patent/CN105370334B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140757A (en) * | 1962-05-28 | 1964-07-14 | Willys Motors Inc | Lubrication system |
| DE1295275B (en) * | 1965-05-25 | 1969-05-14 | Buckau Wolf Maschf R | Valve-controlled multi-cylinder internal combustion engine |
| EP1403497A1 (en) * | 2002-09-30 | 2004-03-31 | Honda Giken Kogyo Kabushiki Kaisha | Camshaft bearing structure for over-head camshaft type internal combustion engine |
| EP1963629A1 (en) * | 2005-12-15 | 2008-09-03 | Schaeffler KG | Camshaft adjuster |
| CN101086215A (en) * | 2006-06-07 | 2007-12-12 | 福特环球技术公司 | A camshaft system for an internal combustion engine |
| CN201372820Y (en) * | 2009-03-23 | 2009-12-30 | 浙江和日摇臂有限公司 | Fixed seat of camshaft |
| CN201771566U (en) * | 2010-08-27 | 2011-03-23 | 重庆长安汽车股份有限公司 | Single-air-inlet-side VVT engine camshaft bearing cap |
| CN101984223A (en) * | 2010-11-26 | 2011-03-09 | 奇瑞汽车股份有限公司 | Novel camshaft bearing seat |
| CN205206894U (en) * | 2015-11-23 | 2016-05-04 | 重庆祥吉机械制造有限公司 | Novel camshaft structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276776A (en) * | 2018-10-31 | 2019-01-29 | 厚爱医疗仪器（江苏）有限公司 | A kind of fast regulating camshaft for medical infusion pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370334A (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207111192U (en) | A kind of cartridge type air inlet and outlet device and engine cylinder head system | |
| CN105370334B (en) | A kind of camshaft structure | |
| CN206495701U (en) | New work engine valve actuating mechanism | |
| WO2016004860A1 (en) | Two-stroke gear shaft engine for power device | |
| JP2013519839A (en) | Low fuel consumption, low emission 2-stroke engine | |
| CN105386804B (en) | A kind of cam structure | |
| CN109882287A (en) | Rotating disc type internal combustion engine | |
| CN105370336B (en) | A kind of camshaft | |
| US6279518B1 (en) | Rotary engine having a conical rotor | |
| CN106703927A (en) | Novel valve mechanism for engine | |
| CN108150238B (en) | Convex-concave wheel rotor twin-tub four-stroke engine | |
| CN205206898U (en) | Cam structure | |
| CN205206895U (en) | Camshaft structure | |
| CN205206896U (en) | Novel camshaft | |
| CN205206894U (en) | Novel camshaft structure | |
| CN102777248A (en) | Two-stroke diesel engine | |
| CN106870047A (en) | A kind of novel camshaft | |
| CN106870045A (en) | A kind of cam structure | |
| CN106870046A (en) | A kind of new type of cam axle construction | |
| CN209040910U (en) | Magnetoelectricity drives rotating variable valve assembly | |
| CN202707223U (en) | Two-stroke diesel engine | |
| CN208416698U (en) | A kind of internal combustion engine end cap and rotary combustion engine | |
| CN105370335A (en) | Cam shaft structure | |
| CN201103431Y (en) | Air suction and exhaustion coaxial rotating valve actuating mechanism of engine | |
| CN220470073U (en) | Engine with a motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |