CN109441583A - A kind of cam axial interface for middle VVT - Google Patents
A kind of cam axial interface for middle VVT Download PDFInfo
- Publication number
- CN109441583A CN109441583A CN201811311786.3A CN201811311786A CN109441583A CN 109441583 A CN109441583 A CN 109441583A CN 201811311786 A CN201811311786 A CN 201811311786A CN 109441583 A CN109441583 A CN 109441583A
- Authority
- CN
- China
- Prior art keywords
- groove
- fixedly connected
- middle vvt
- bolt
- gag lever
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 244000309464 bull Species 0.000 claims description 23
- 230000008450 motivation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses a kind of cam axial interfaces for middle VVT, including hollow axle journal, annular protrusion, axle journal oilhole, positioning shaft shoulder, internal screw thread, positioning spline, camshaft main oil gallery, middle through-hole, bolt with oil circuit, bolt oilhole, middle VVT and front end face, the two sides up and down of bolt with oil circuit offer the first groove, position-limit mechanism is equipped in first groove, position-limit mechanism includes the first spring being fixedly connected with the first recess sidewall, first spring is fixedly connected with gag lever post far from one end of the first recess sidewall, gag lever post passes through the opening of the first groove far from one end of the first spring and extends outwardly, two inner sidewalls up and down of annular protrusion offer the second groove corresponding with gag lever post, pushing mechanism is equipped in second groove.The present invention, which can facilitate, limits the bolt with oil circuit, and can facilitate middle VVT taking out annular protrusion, while can facilitate rotation middle VVT.
Description
Technical field
The present invention relates to part of automobile engine technical field more particularly to a kind of camshafts for middle VVT
Interface.
Background technique
Existing automobile engine has generallyd use valve variable timing technology, needs to use changeable air valve using the technology
Timing phase is connected with camshaft.VVT also needs to be equipped with a solenoid valve and controls its work, and solenoid valve is arranged in
It is known as middle VVT on VVT ontology.
Through retrieving, Chinese patent grant number is the patent of 206530372 U of CN, is disclosed a kind of for middle VVT's
Cam axial interface, including hollow axle journal, annular protrusion, axle journal oilhole, positioning shaft shoulder, internal screw thread, positioning spline, the main oil of camshaft
Road, middle through-hole, the bolt with oil circuit, bolt oilhole, middle VVT and front end face.XXXX device in above-mentioned patent exists
Following deficiency: in the patent, middle VVT is being connected by internal screw thread with annular protrusion inner wall by the bolt with oil circuit
When, when by external force, the bolt with oil circuit is easy to cause to rotate out annular protrusion, so as to cause the oil stream in annular protrusion
Out, the normal use of middle VVT is influenced.
Summary of the invention
The purpose of the present invention is to solve middle VVT is being passed through interior spiral shell by the bolt with oil circuit in the prior art
When line is connected with annular protrusion inner wall, when by external force, the bolt with oil circuit is easy to cause to rotate out annular protrusion, thus
The problem of causing the oil stream in annular protrusion to go out, influencing middle VVT normal use, and the one kind proposed is used for middle
The cam axial interface of VVT.
To achieve the goals above, present invention employs following technical solutions:
A kind of cam axial interface for middle VVT, including hollow axle journal, annular protrusion, axle journal oilhole, locating shaft
Shoulder, internal screw thread, positioning spline, camshaft main oil gallery, middle through-hole, the bolt with oil circuit, bolt oilhole, middle VVT and preceding
End face, the two sides up and down of the bolt with oil circuit offer the first groove, are equipped with position-limit mechanism, institute in first groove
Stating position-limit mechanism includes the first spring being fixedly connected with the first recess sidewall, and first spring is far from the first recess sidewall
One end is fixedly connected with gag lever post, and the gag lever post far from one end of the first spring passes through the opening of the first groove and to extension
It stretches, two inner sidewalls up and down of the annular protrusion offer the second groove corresponding with gag lever post, in second groove
Equipped with pushing mechanism, the left side of the middle VVT is equipped with laborsaving rotating mechanism.
Preferably, the first sliding block, the left and right two of first groove are fixedly connected at left and right sides of the gag lever post
Side offers the first sliding groove that connection is matched with the first sliding block.
Preferably, the pushing mechanism includes pull rod, is offered at the top of second groove corresponding with pull rod logical
Hole, one end of the pull rod are rotatably connected to bull stick, and the surface of the bull stick is turned by the front and rear sides of shaft and the second groove
Dynamic connection, the side of the bull stick are fixedly connected with push rod, and one end of the push rod and one end of gag lever post offset.
Preferably, the bull stick is fixedly connected with second spring far from the side of push rod, and the second spring is far from bull stick
One end be fixedly connected with the side wall of the second groove.
Preferably, the side of the pull rod is fixedly connected with the second sliding block, and the side of second groove offers and the
The second sliding slot of one sliding block matching connection.
Preferably, the pull rod is fixedly connected with pulling block far from one end of bull stick.
Preferably, the laborsaving rotating mechanism includes the rotating block being fixedly connected on the left of middle VVT, the rotating block
Surface offer the first accommodating groove, the first turning handle is slidably connected in first accommodating groove, a left side for first turning handle has
Two sides are fixedly connected to third sliding block, and the left and right sides of first accommodating groove, which is offered, matches connection with third sliding block
Third sliding slot, the bottom of first turning handle offer the second accommodating groove, slidably connect second turn in second accommodating groove
Handle.
Preferably, the surface fixing sleeve of second turning handle is equipped with sheath.
Preferably, Four-slider, a left side for second accommodating groove are fixedly connected at left and right sides of second turning handle
Right two sides offer the 4th sliding slot of Four-slider matching connection.
Preferably, the surface of first turning handle and the second turning handle offers corresponding threaded hole, two spiral shells
Pit is commonly through bolt fastening.
Compared with prior art, the present invention provides a kind of cam axial interface for middle VVT, have following beneficial
Effect:
1, the cam axial interface for being used for middle VVT is passed through by the way that limited position mechanism is arranged by the bolt with oil circuit
When internal screw thread is rotated into annular protrusion, when gag lever post is corresponding with the second groove on annular protrusion, the first spring is pushed
Gag lever post, gag lever post are slided in first sliding groove by the first sliding block, and gag lever post is put in the second groove, can be facilitated to band oil
The bolt on road is limited.
2, the cam axial interface for being used for middle VVT is needing to take middle VVT by being provided with pushing mechanism
When out, block is pulled, block is pulled to pull pull rod, pull rod is slided in second sliding slot by the second sliding block, and pull rod pulls bull stick,
Bull stick rotates pressure-ram by shaft, and push rod pulls second spring, and squeezes gag lever post, and gag lever post is released the second groove,
It can facilitate and middle VVT is taken out into annular protrusion.
3, the cam axial interface for being used for middle VVT is needing to rotate middle by being provided with laborsaving rotating mechanism
When VVT, the second turning handle is pulled, the second turning handle is slided in the 4th sliding slot by Four-slider, and the second turning handle pulls the first turning handle,
First turning handle is slided in third sliding slot by third sliding block, and the first turning handle and the second turning handle drive rotating block rotation, rotating block
Middle VVT rotation is driven, according to the arm of force the big more labour-saving principle, rotation middle VVT can be facilitated.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention can
It is convenient that the bolt with oil circuit is limited, and can facilitate and middle VVT is taken out into annular protrusion, while rotation can be facilitated
Middle VVT.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the cam axial interface for middle VVT proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram of the cam axial interface part A for middle VVT proposed by the present invention;
Fig. 3 is a kind of side structure schematic view of the cam axial interface for middle VVT proposed by the present invention;
Fig. 4 is a kind of structural schematic diagram of the cam axial interface part B for middle VVT proposed by the present invention.
In figure: 1 annular protrusion, 2 bolts with oil circuit, 3 middle VVT, 4 first grooves, 5 position-limit mechanisms, 6 first bullets
Spring, 7 gag lever posts, 8 second grooves, 9 pushing mechanisms, 10 laborsaving rotating mechanisms, 11 pull rods, 12 bull sticks, 13 push rods, 14 second bullets
Spring, 15 pull block, 16 rotating blocks, 17 first accommodating grooves, 18 first turning handles, 19 second accommodating grooves, 20 second turning handles, 21 bolts.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of cam axial interface for middle VVT, including hollow axle journal, annular protrusion 1, journal oil
Hole, positioning shaft shoulder, internal screw thread, positioning spline, camshaft main oil gallery, middle through-hole, the bolt 2 with oil circuit, bolt oilhole, in set
Formula V VT3 and front end face, the two sides up and down of the bolt 2 with oil circuit offer the first groove 4, are equipped with position restrainer in the first groove 4
Structure 5, position-limit mechanism 5 include the first spring 6 being fixedly connected with 4 side wall of the first groove, and the first spring 6 is far from 4 side of the first groove
One end of wall is fixedly connected with gag lever post 7, gag lever post 7 far from one end of the first spring 6 pass through the first groove 4 opening and to
Outer extension, two inner sidewalls up and down of annular protrusion 1 offer second groove 8 corresponding with gag lever post 7, in the second groove 8
Equipped with pushing mechanism 9, the left side of middle VVT3 is equipped with laborsaving rotating mechanism 10.
The left and right sides of gag lever post 7 is fixedly connected to the first sliding block, and the left and right sides of the first groove 4 offers and the
The first sliding groove of one sliding block matching connection, can facilitate and limit to gag lever post 7.
Pushing mechanism 9 includes pull rod 11, and the top of the second groove 8 offers through-hole corresponding with pull rod 11, pull rod 11
One end be rotatably connected to bull stick 12, the surface of bull stick 12 is rotatablely connected by the front and rear sides of shaft and the second groove 8, bull stick
12 side is fixedly connected with push rod 13, and one end of push rod 13 and one end of gag lever post 7 offset, can facilitate middle VVT3
Take out annular protrusion 1.
Bull stick 12 is fixedly connected with second spring 14, the one end of second spring 14 far from bull stick 12 far from the side of push rod 13
It is fixedly connected with the side wall of the second groove 8, can facilitate and push rod 13 is retracted into origin.
The side of pull rod 11 is fixedly connected with the second sliding block, and the side of the second groove 8, which is offered, matches company with the first sliding block
The second sliding slot connect can facilitate and limit to pull rod 11.
Pull rod 11 is fixedly connected with far from one end of bull stick 12 and pulls block 15, can facilitate and pull pull rod 11.
Laborsaving rotating mechanism 10 includes the rotating block 16 being fixedly connected on the left of middle VVT3, and the surface of rotating block 16 is opened
Equipped with the first accommodating groove 17, the first turning handle 18 is slidably connected in the first accommodating groove 17, a left side for the first turning handle 18 there are two sides solid
Surely it is connected with third sliding block, the left and right sides of the first accommodating groove 17 offers the third sliding slot that connection is matched with third sliding block,
The bottom of first turning handle 18 offers the second accommodating groove 19, slidably connects the second turning handle 20 in the second accommodating groove 19, and first turn
The surface of handle 18 and the second turning handle 20 offers corresponding threaded hole, and two threaded holes are fastened commonly through bolt 21, energy
Enough facilitate rotation middle VVT1.
The surface fixing sleeve of second turning handle 20 is equipped with sheath.
The left and right sides of second turning handle 20 is fixedly connected to Four-slider, and the left and right sides of the second accommodating groove 19 opens up
There is the 4th sliding slot of Four-slider matching connection, can facilitate and the second turning handle 20 is limited.
In the present invention, when being rotated the bolt 2 with oil circuit by internal screw thread into annular protrusion 1, when gag lever post 7 and ring
When the second groove 8 on shape protrusion 1 is corresponding, the first spring 6 pushes gag lever post 7, and gag lever post 7 is sliding first by the first sliding block
Sliding, gag lever post 7 put in the second groove 8, can facilitate and limit to the bolt 2 with oil circuit in slot, are needing to set by
When Formula V VT3 takes out, block 15 is pulled, block 15 is pulled to pull pull rod 11, pull rod 11 is sliding in second sliding slot by the second sliding block
Dynamic, pull rod 11 pulls bull stick 12, and bull stick 12 rotates pressure-ram 13 by shaft, and push rod 13 pulls second spring 14, and squeezes
Gag lever post 7 is released the second groove 8, can facilitate middle VVT3 taking out annular protrusion 1 by gag lever post 7, in needing to rotate
When setting Formula V VT3, the second turning handle 20 is pulled, the second turning handle 20 is slided in the 4th sliding slot by Four-slider, and the second turning handle 20 is drawn
Dynamic first turning handle 18, the first turning handle 18 are slided in third sliding slot by third sliding block, 20 band of the first turning handle 18 and the second turning handle
Turn motion block 16 rotates, and rotating block 16 drives middle VVT3 rotation, according to the arm of force the big more labour-saving principle, can conveniently turn
Dynamic middle VVT3.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of cam axial interface for middle VVT, including hollow axle journal, annular protrusion (1), axle journal oilhole, locating shaft
Shoulder, internal screw thread, positioning spline, camshaft main oil gallery, middle through-hole, bolt (2), bolt oilhole, middle VVT with oil circuit
(3) and front end face, which is characterized in that the two sides up and down of the bolt (2) with oil circuit offer the first groove (4), described
Position-limit mechanism (5) are equipped in first groove (4), the position-limit mechanism (5) includes the be fixedly connected with the first groove (4) side wall
One spring (6), first spring (6) are fixedly connected with gag lever post (7), the limit far from one end of the first groove (4) side wall
Position bar (7) passes through the opening of the first groove (4) far from the one end of the first spring (6) and extends outwardly, the annular protrusion (1)
Two inner sidewalls up and down offer the second groove (8) corresponding with gag lever post (7), be equipped with and push away in second groove (8)
The left side of motivation structure (9), the middle VVT (3) is equipped with laborsaving rotating mechanism (10).
2. a kind of cam axial interface for middle VVT according to claim 1, which is characterized in that the gag lever post
(7) the first sliding block is fixedly connected at left and right sides of, the left and right sides of first groove (4) offers and the first sliding block
Match the first sliding groove of connection.
3. a kind of cam axial interface for middle VVT according to claim 1, which is characterized in that the promotion machine
Structure (9) includes pull rod (11), offers through-hole corresponding with pull rod (11), the pull rod at the top of second groove (8)
(11) one end is rotatably connected to bull stick (12), and the surface of the bull stick (12) passes through the front and back two of shaft and the second groove (8)
Side rotation connection, the side of the bull stick (12) are fixedly connected with push rod (13), one end and gag lever post (7) of the push rod (13)
One end offset.
4. a kind of cam axial interface for middle VVT according to claim 3, which is characterized in that the bull stick
(12) side far from push rod (13) is fixedly connected with second spring (14), and the one of the second spring (14) separate bull stick (12)
End is fixedly connected with the side wall of the second groove (8).
5. a kind of cam axial interface for middle VVT according to claim 3, which is characterized in that the pull rod
(11) side is fixedly connected with the second sliding block, and the side of second groove (8), which is offered, matches connection with the first sliding block
Second sliding slot.
6. a kind of cam axial interface for middle VVT according to claim 3, which is characterized in that the pull rod
(11) one end far from bull stick (12), which is fixedly connected with, pulls block (15).
7. a kind of cam axial interface for middle VVT according to claim 1, which is characterized in that described laborsaving turn
Motivation structure (10) includes the rotating block (16) being fixedly connected with the left side middle VVT (3), and the surface of the rotating block (16) opens up
Have the first accommodating groove (17), is slidably connected the first turning handle (18) in first accommodating groove (17), first turning handle (18)
A left side there are two sides to be fixedly connected to third sliding block, the left and right sides of first accommodating groove (17) offers and third sliding block
The third sliding slot of connection is matched, the bottom of first turning handle (18) offers the second accommodating groove (19), second accommodating groove
(19) it is slidably connected the second turning handle (20) in, the surface of first turning handle (18) and the second turning handle (20) offers relatively
The threaded hole answered, two threaded holes are fastened commonly through bolt (21).
8. a kind of cam axial interface for middle VVT according to claim 7, which is characterized in that described
The surface fixing sleeve of two turning handles (20) is equipped with sheath.
9. a kind of cam axial interface for middle VVT according to claim 7, which is characterized in that described second turn
Four-slider is fixedly connected at left and right sides of handle (20), the left and right sides of second accommodating groove (19) offers the 4th
4th sliding slot of sliding block matching connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811311786.3A CN109441583A (en) | 2018-11-06 | 2018-11-06 | A kind of cam axial interface for middle VVT |
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Application Number | Priority Date | Filing Date | Title |
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CN201811311786.3A CN109441583A (en) | 2018-11-06 | 2018-11-06 | A kind of cam axial interface for middle VVT |
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CN109441583A true CN109441583A (en) | 2019-03-08 |
Family
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CN201811311786.3A Pending CN109441583A (en) | 2018-11-06 | 2018-11-06 | A kind of cam axial interface for middle VVT |
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CN (1) | CN109441583A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110311532A (en) * | 2019-07-23 | 2019-10-08 | 夏孝清 | A kind of intelligent step motor |
CN113187577A (en) * | 2021-04-13 | 2021-07-30 | 句容嘉晟汽车配件有限公司 | Shock-resistant VVT engine solenoid valve |
CN113250779A (en) * | 2021-04-08 | 2021-08-13 | 句容嘉晟汽车配件有限公司 | Good VVT engine control valve of stability |
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CN206530372U (en) * | 2017-02-23 | 2017-09-29 | 东风汽车公司 | A kind of cam axial interface for middle VVT |
CN107542747A (en) * | 2017-09-01 | 2018-01-05 | 宁波正宇紧固件有限公司 | A kind of high-strength vehicle fastener |
CN108381443A (en) * | 2018-05-11 | 2018-08-10 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of screwdriver with multiple use forms |
CN108637778A (en) * | 2018-03-23 | 2018-10-12 | 张家港澳卓尔环保设备有限公司 | A kind of lip lathe dust capture suction inlet |
CN209228426U (en) * | 2018-11-06 | 2019-08-09 | 江苏太平洋精锻科技股份有限公司 | A kind of cam axial interface for middle VVT |
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2018
- 2018-11-06 CN CN201811311786.3A patent/CN109441583A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009108743A (en) * | 2007-10-29 | 2009-05-21 | Toyota Motor Corp | Variable valve timing device |
CN206530372U (en) * | 2017-02-23 | 2017-09-29 | 东风汽车公司 | A kind of cam axial interface for middle VVT |
CN107542747A (en) * | 2017-09-01 | 2018-01-05 | 宁波正宇紧固件有限公司 | A kind of high-strength vehicle fastener |
CN108637778A (en) * | 2018-03-23 | 2018-10-12 | 张家港澳卓尔环保设备有限公司 | A kind of lip lathe dust capture suction inlet |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110311532A (en) * | 2019-07-23 | 2019-10-08 | 夏孝清 | A kind of intelligent step motor |
CN110311532B (en) * | 2019-07-23 | 2021-04-23 | 宁波市天菱机电有限公司 | Intelligent stepping motor |
CN113250779A (en) * | 2021-04-08 | 2021-08-13 | 句容嘉晟汽车配件有限公司 | Good VVT engine control valve of stability |
CN113187577A (en) * | 2021-04-13 | 2021-07-30 | 句容嘉晟汽车配件有限公司 | Shock-resistant VVT engine solenoid valve |
CN113187577B (en) * | 2021-04-13 | 2023-02-14 | 句容嘉晟汽车配件有限公司 | Shock-resistant VVT engine solenoid valve |
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