CN109882260A - Intermediate lever, intermediate lever housing and method for producing the same - Google Patents
Intermediate lever, intermediate lever housing and method for producing the same Download PDFInfo
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- CN109882260A CN109882260A CN201811549985.8A CN201811549985A CN109882260A CN 109882260 A CN109882260 A CN 109882260A CN 201811549985 A CN201811549985 A CN 201811549985A CN 109882260 A CN109882260 A CN 109882260A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
An intermediate lever, an intermediate lever housing and a method of manufacturing the same, the intermediate lever housing manufacturing method comprising: forming a shell blank, wherein the shell blank comprises a first side plate and a second side plate which are oppositely arranged and provided with roller accommodating cavities in the middle, and a first connecting part and a second connecting part which fix the first side plate and the second side plate in the direction vertical to the side plate surface, the first connecting part is formed by the first end of the first side plate, and the second connecting part is formed by the first end of the second side plate; the first connecting part and the second connecting part can attach and fix the inner surfaces of the first side plate and the second side plate; and through holes vertical to the binding surface direction of the first connecting part are formed in the first connecting part and the second connecting part. The manufacturing method of the middle shell provided by the embodiment of the invention can improve the anti-deformation capability of the end part of the middle lever in the heat treatment process, does not need to arrange other parts, and does not cause damage to other parts due to the improvement of the freedom degree of the middle lever in the processing and manufacturing process; furthermore, the alignment performance of the through holes of the first connecting portion and the through holes of the second connecting portion can be guaranteed, and the difficulty in assembling the middle lever caused by misalignment of the two through holes is avoided.
Description
Technical field
The present embodiments relate to lift range variable technical field more particularly to a kind of intermediate lever, intermediate lever shells
Body and its manufacturing method.
Background technique
Continuously variable valve lift technology, by adjusting valve lift amount, duration and valve that valve opening is closed
Timing meets requirement of the engine to different load, is in valve in the range of larger opening always, makes engine in height
Fast area and low regime can obtain the valve stroke of meet demand, so as to improve high engine speeds power and low speed torque, improve
Dynamic property, fuel economy and discharge of engine etc..
For the intermediate lever of variable valve driving apparatus, there are two straight side walls for tool, and the end of two side walls passes through U
Shape bracket is connected, and for increasing the stability of intermediate lever shell, side wall in heat treatment process is avoided to deform.
Because intermediate lever needs to pull it back original position by return spring during the work time, and return spring is in work
May interfere u-bracket during work, thus the general method using the width for reducing u-bracket increase intermediate lever oneself
By spending, however, after the width of reduction u-bracket there is the risk being broken in u-bracket during heat treatment.
Summary of the invention
The technical issues of embodiment of the present invention solves is to provide a kind of intermediate lever, intermediate lever shell and its manufacturer
Method improves the stability of intermediate lever.
To solve the above problems, the embodiment of the present invention provides a kind of manufacturing method of intermediate lever shell, comprising:
Form casing blank part, the casing blank part includes being oppositely arranged and intermediate first side with idler wheel accommodating chamber
Plate and the second side plate, and the first connecting portion and second for fixing the first side plate and the second side plate in vertical side board direction
Interconnecting piece, the first connecting portion are formed by the first end of first side plate, and the second connecting portion is by second side plate
First end formed；The first connecting portion and the second connecting portion can will be in the inner surfaces of the first side plate and the second side plate
Surface fitting is fixed；
The binding face side perpendicular to the first connecting portion is opened up in the first connecting portion and the second connecting portion
To through-hole.
Optionally, the processing technology for forming casing blank part is punch forming process.
Optionally, the step of formation casing blank part includes:
Substrate is provided；
Punch forming is carried out to the substrate, forms shell, the shell includes the first plate and the second plate being oppositely arranged；
First plate is bent, first side plate and the first connecting portion are formed, to second plate into
Row bending, forms second side plate and the second connecting portion；
The first connecting portion and second connecting portion fitting are fixed.
Optionally, the processing technology that the first connecting portion and second connecting portion fitting is fixed is Welder
Skill.
Optionally, described to open up in the first connecting portion and the second connecting portion perpendicular to the first connecting portion
Binding face direction through-hole processing technology be punch forming process.
To solve the above problems, the embodiment of the present invention provides a kind of intermediate lever shell, using above-mentioned intermediate lever shell
The manufacturing method of body is made, and the intermediate lever shell includes:
It is oppositely arranged and intermediate first side plate and the second side plate with idler wheel accommodating chamber, and in vertical side board direction
On first connecting portion and second connecting portion that the first side plate and the second side plate is fixed, the first connecting portion is by first side
The first end of plate is formed, and the second connecting portion is formed by the first end of second side plate；The first connecting portion and described
The inner surface of the inner surface of first side plate and the second side plate can be bonded and fix by second connecting portion；
The binding face side perpendicular to the first connecting portion is offered in the first connecting portion and the second connecting portion
To through-hole.
Optionally, the intermediate lever shell further include:
Arc actuating member, the two sides of the arc actuating member are separately connected the second end and described second of first side plate
The arcwall face of the second end of side plate, the arc actuating member extends along the second end extending direction of first side plate.
To solve the above problems, the embodiment of the present invention provides a kind of intermediate lever, suitable for being set in engine, it is described in
Between lever include: fixing piece and above-mentioned intermediate lever shell, the fixing piece passes through the through-hole for the intermediate lever shell
Body is fixed on the cabinet of engine.
Optionally, the intermediate lever further include:
Intermediate roller, the intermediate roller are set in the idler wheel accommodating chamber；
Roller fastener, the roller fastener connect the intermediate roller and the intermediate lever shell.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
A kind of manufacturing method of intermediate lever shell provided by the embodiment of the present invention, comprising: form casing blank part, institute
Stating casing blank part includes being oppositely arranged and intermediate first side plate and the second side plate with idler wheel accommodating chamber, and in vertical side
By first connecting portion and second connecting portion that the first side plate and the second side plate are fixed in board direction, the first connecting portion is by institute
The first end for stating the first side plate is formed, and the second connecting portion is formed by the first end of second side plate；First connection
The inner surface of the inner surface of first side plate and the second side plate can be bonded by portion and the second connecting portion to be fixed；Connect described first
The through-hole in the binding face direction perpendicular to the first connecting portion is opened up in socket part and the second connecting portion.By the way that first is connected
Socket part and second connecting portion fitting are fixed together, and can improve the resistance to deformation energy of the end of intermediate lever during heat treatment
Power, no setting is required other components also would not be during processing and manufacturing because of other portions caused by improving intermediate lever freedom degree
The damage of part；Further, it is fixed together by being first bonded first connecting portion and second connecting portion, then in first connection
The through-hole that the binding face direction perpendicular to the first connecting portion is opened up in portion and the second connecting portion, can guarantee the first company
The through-hole of the through-hole and second connecting portion of socket part to neutrality, so that during the fixation intermediate lever, fixing piece can
Successfully to pass through the through-hole, the problem that intermediate lever assembling is difficult caused by misaligning because of two through-holes is avoided.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of intermediate lever with u-bracket；
Fig. 2 is the flow chart of the manufacturing method of intermediate lever shell provided by the embodiment of the present invention；
Fig. 3 is the flow chart that casing blank part is formed provided by the embodiment of the present invention；
Fig. 4 is the schematic diagram of intermediate lever provided by the embodiment of the present invention；
It is schematic diagram that Fig. 5, which is another angle of intermediate lever provided by the embodiment of the present invention,.
Wherein: 1- fixing end；2-U type bracket；3- through-hole；110- first connecting portion；120- second connecting portion；100- is logical
Hole；The second end of the first side plate of 210-；The second end of the second side plate of 220-；30- transverse arm；The first side plate of 310-；320- second side
Plate；40- intermediate roller；400- intermediate throughholes；50- arcwall face；500- roller fastener；60- stabilizer blade.
Specific embodiment
It can be seen from background technology that there is the risk being broken in heat treatment process in the u-bracket of intermediate lever.
Referring to FIG. 1, Fig. 1 is a kind of schematic diagram of intermediate lever with u-bracket.
As shown in Figure 1, the fixing end 1 of the side plate of intermediate lever is to be spaced apart from each other two ends with through-hole 3 of setting,
Two ends are fixed together by u-bracket 2, and u-bracket 2 is used to increase the stability of intermediate lever, are avoided heat treated
Side wall ends deform in journey.Because intermediate lever needs to pull it back original position by return spring during the work time,
Return spring may interfere u-bracket 2 on spatial position, therefore generally be increased using the method for the width for reducing u-bracket 2
Add the freedom degree of intermediate lever, however, u-bracket 2 exists during heat treatment to be occurred to break after the width of reduction u-bracket 2
The risk split.Moreover, the through-hole 3 of fixing end 1 has that centring property is bad, so that mistake of the later period in fixed intermediate lever
It will appear fixing piece in journey to be difficult to be inserted into through-hole 3, the situation for causing assembling difficult.
In order to improve the stability of intermediate lever, the embodiment of the invention provides a kind of manufacturing methods of intermediate lever, lead to
It crosses and first connecting portion and second connecting portion fitting is fixed together, the end of intermediate lever can be improved during heat treatment
Non-deformability, no setting is required other components also would not be during processing and manufacturing because improving intermediate lever freedom degree
Cause the damage of other component；Further, it is fixed together by being first bonded first connecting portion and second connecting portion, then in institute
The through-hole for opening up the direction perpendicular to first side plate in first connecting portion and the second connecting portion is stated, can guarantee first
The through-hole of the through-hole and second connecting portion of interconnecting piece to neutrality, so as to during the fixation intermediate lever, fixing piece
The through-hole can be successfully passed through, the problem that intermediate lever assembling is difficult caused by misaligning because of two through-holes is avoided.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the orientation or positional relationship indicated in the embodiment of the present invention be orientation based on the figure or
Positional relationship is merely for convenience of description and simplification description, rather than the device of indication or suggestion meaning must have specifically
Orientation with specific orientation construction, therefore is not considered as limiting the invention.
Referring to FIG. 2, Fig. 2 is the flow chart of the manufacturing method of intermediate lever shell provided by the embodiment of the present invention.
As shown in Fig. 2, the manufacturing method of intermediate lever shell provided by the embodiment of the present invention, comprising:
Step S1, forms casing blank part, and the casing blank part includes being oppositely arranged and intermediate having idler wheel accommodating chamber
The first side plate and the second side plate, and by the first connection that the first side plate and the second side plate are fixed in vertical side board direction
Portion and second connecting portion, the first connecting portion are formed by the first end of first side plate, and the second connecting portion is by described
The first end of second side plate is formed；The first connecting portion and the second connecting portion can be by the inner surface of the first side plate and second
The inner surface of side plate, which is bonded, to be fixed.
It is easily understood that the inner surface of the first side plate refers to being formed the table of the first side plate of the side of idler wheel accommodating chamber
Face, the inner surface of the second side plate refer to being formed the surface of the second side plate of the side of idler wheel accommodating chamber.
In a specific embodiment, in order to improve the formed precision of casing blank part, the casing blank part that formed
Processing technology is punch forming process.In other embodiments, the casing blank part can also be carried out by way of casting
Processing.
Specifically, referring to FIG. 3, Fig. 3 is the flow chart for forming casing blank part provided by the embodiment of the present invention.
As shown in figure 3, the step S1 for forming casing blank part includes:
Step S11, provides substrate；
Step S12 carries out punch forming to the substrate, forms shell, the shell includes the first plate being oppositely arranged
With the second plate；
Step S13 is bent first plate, first side plate and the first connecting portion is formed, to described
Second plate is bent, and second side plate and the second connecting portion are formed；
Step S14 fixes the first connecting portion and second connecting portion fitting.
In step S14, the first connecting portion and second connecting portion fitting are fixed, can be prevented in subsequent thermal
Deformation occurs for first connecting portion and second connecting portion in treatment process, to improve the thermal stability of intermediate lever.
In a specific embodiment, with reference to Fig. 4, the first connecting portion 110 and the second connecting portion 120 are bonded
Fixed, corresponding, the fixed processing technology of the fitting is welding procedure.Welding has structure simple, and strength of joint is big, fine and close
Property it is good, save metal, the advantages that productivity is high and cost is relatively low.In other embodiments, can also be by bonding, or even may be used also
By the end of two side plates being fixed as one in a manner of riveting or be bolted etc..
For ease of machine-shaping, the shape of 120 first end of 110 first end of first connecting portion and the second connecting portion
Shape is circle.In other embodiments, the shape of the first connecting portion 110 and the second connecting portion 120 can be rectangular
Or other shapes.The shape of the first connecting portion 110 and the second connecting portion 120 can be identical, can not also be identical,
As long as guaranteeing the through-hole that the through-hole 100 of the first connecting portion 110 and the second connecting portion 120 open up in the subsequent process
100 centerings.
Step S2 opens up the direction perpendicular to first side plate in the first connecting portion and the second connecting portion
Through-hole.
Specifically, with reference to Fig. 4, it is described opened up in the first connecting portion 110 and the second connecting portion 120 perpendicular to
The through-hole 100 in the direction of first side plate, corresponding, the processing technology for opening up through-hole 100 is punch forming process.It strikes out
The dimensional accuracy of type is guaranteed by mold, to guarantee that the part quality processed is stablized.
In a specific embodiment, the through-hole 100 after punch forming can be by Milling Process, to improve work essence
Degree.
In a specific embodiment, after forming casing blank part, the processing method further includes to the intermediate lever
Arcwall face carry out Milling Process, to guarantee the operating accuracy of curved working face.
By the way that first connecting portion and second connecting portion fitting are fixed together, centre can be improved during heat treatment
The non-deformability of the end of lever, no setting is required other components, also would not during processing and manufacturing because improving among
Lever freedom degree causes the damage of other component；Further, by being first fixed on first connecting portion and second connecting portion fitting
Together, then in the first connecting portion and the second connecting portion side of the binding face perpendicular to the first connecting portion is opened up
To through-hole, can guarantee the through-hole of first connecting portion and the through-hole of second connecting portion to neutrality, so as in fixation is described
Between during lever, fixing piece can successfully pass through the through-hole, avoid intermediate lever caused by misaligning because of two through-holes
Assemble difficult problem.
Fig. 4 and Fig. 5 are please referred to, to solve the above-mentioned problems, the embodiment of the invention provides a kind of intermediate lever shells, adopt
It is made of above-mentioned manufacturing method, intermediate lever shell includes: to be oppositely arranged and intermediate first side plate 310 with idler wheel accommodating chamber
With the second side plate 320, and the first connection for fixing the first side plate 310 and the second side plate 320 in vertical side board direction
Portion 110 and second connecting portion 120, the first connecting portion 110 are formed by the first end of first side plate 310, and described second
Interconnecting piece 120 is formed by the first end of second side plate 320；The first connecting portion 110 and the second connecting portion 120 can
The inner surface of the inner surface of first side plate 310 and the second side plate 320 is bonded and is fixed, the first connecting portion 110 and described the
The through-hole 100 in the binding face direction perpendicular to the first connecting portion 110 is offered on two interconnecting pieces 120.
In the present embodiment, for ease of machine-shaping, the first connecting portion 110 and the second connecting portion 120 first
The shape at end is circle.In other embodiments, the shape of the first connecting portion 110 and the second connecting portion 120 can be with
For rectangular or other shapes.The shape of the first connecting portion 110 and the second connecting portion 120 can be identical, can also be with
It is not identical, if guarantee the first connecting portion 110 through-hole 100 and the second connecting portion 120 100 centering of through-hole i.e.
It can.
In a specific embodiment, the intermediate lever shell have arc actuating member, the two of the arc actuating member
Side is separately connected the second end 210 of first side plate and the second end 220 of second side plate, the arc of the arc actuating member
Shape face 50 extends along the extending direction of the second end.
It will be appreciated by persons skilled in the art that the extending direction of the second end, refers to along the width side of side plate
To extension, rather than the thickness direction of side plate, as shown by arrows in figure.
In general, arc actuating member is applied to driven element, the driven element can be rocker arm.
Specifically, the arc actuating member can also include along 50 outwardly extending two stabilizer blades 60 of the arcwall face, institute
Two stabilizer blades 60 are stated to be connected by transverse arm 30；Transverse arm 30 is used to support return spring (not shown), and return spring is used for
Original position will be retracted in the intermediate lever of cam action forces lower swing.
By the way that first connecting portion 110 and the fitting of second connecting portion 120 are fixed together, can mention during heat treatment
The non-deformability of the end of high intermediate lever, no setting is required other components also would not be during processing and manufacturing because mentioning
High intermediate lever freedom degree causes the damage of other component；Further, by first by first connecting portion 110 and second connecting portion
120 fittings are fixed together, then open up in the first connecting portion 110 and the second connecting portion 120 perpendicular to described the
The through-hole in the direction of the binding face of one interconnecting piece 110 can guarantee the through-hole 100 and second connecting portion 120 of first connecting portion 110
Through-hole 100 to neutrality, so that during the fixation intermediate lever, fixing piece can successfully pass through the through-hole
100, avoid the problem that intermediate lever assembling is difficult caused by misaligning because of two through-holes 100.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of intermediate levers, as shown in figure 4, being suitable for being set to
In engine, comprising: fixing piece (not shown) and above-mentioned intermediate lever shell, the fixing piece pass through the through-hole
100 are fixed on the intermediate lever shell on the cabinet of engine.
In a specific embodiment, the fixing piece is pin, and the pin passes through the through-hole 100 of the shell, and
One end of intermediate lever is fixed on cabinet, swing it can along the pin center of circle.In other embodiments, described solid
Determining part can also be bolt or screw.
With continued reference to Fig. 4, in a specific embodiment, the intermediate lever further includes intermediate roller 40, the centre
Idler wheel 40 is set in the idler wheel accommodating chamber；
Roller fastener 500, the roller fastener 500 connect the intermediate roller 40 and the intermediate lever shell.
Intermediate throughholes 400, the roller fastener 500 are offered on first side plate 310 and second side plate 320
The intermediate lever shell is fixed on across the intermediate throughholes 400.
The profile stroke of cam directly and cam contact, is passed to rocker arm by the intermediate roller 40.In a kind of specific reality
It applies in example, the roller fastener 500 is pin.In other embodiments, the roller fastener 500 can also for bolt or
Person's screw.
The structure of intermediate lever is elaborated above, below in conjunction with Fig. 4 and Fig. 5 to the mechanism of intermediate lever
It is illustrated.
Under loading state, the thrust surface and cam contact of intermediate roller 40, thus by the variation of the lift profile of cam
It is imported into intermediate lever as deflection.The deflection of intermediate lever is transmitted to driven element via the arcwall face 50 of intermediate lever
On, and continue to be transmitted on the valve stem of associated air-exchanging valves via the driven element.
Driven element can be roller rock arm, and wherein the rocker-arm roller with arcwall face 40 of rotatable support contacts.Passing through will
First connecting portion 110 and second connecting portion 120 are fixed on the cabinet of engine, and intermediate lever can be fixed to be bonded to each other
First connecting portion 110 and second connecting portion 120 are that fixing end is swung, because of arcwall face 40 and the roller rock arm of intermediate lever
Idler wheel is in contact, so the idler wheel of roller rock arm and the contact area of arcwall face 40 change, to change relevant ventilation
The lift variation and lift height of valve.
Although the embodiment of the present invention discloses as above, present invention is not limited to this.Anyone skilled in the art, not
It is detached from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should be with right
It is required that subject to limited range.
Claims (9)
1. a kind of manufacturing method of intermediate lever shell characterized by comprising
Form casing blank part, the casing blank part include be oppositely arranged and intermediate first side plate with idler wheel accommodating chamber and
Second side plate, and by the fixed first connecting portion of the first side plate and the second side plate and the second connection in vertical side board direction
Portion, the first connecting portion are formed by the first end of first side plate, and the second connecting portion is by the of second side plate
One end is formed；The first connecting portion and the second connecting portion can be by the inner surfaces of the inner surface of the first side plate and the second side plate
Fitting is fixed；
Open up in the first connecting portion and the second connecting portion binding face direction perpendicular to the first connecting portion
Through-hole.
2. the manufacturing method of intermediate lever shell as described in claim 1, which is characterized in that the formation casing blank part
Processing technology is punch forming process.
3. the manufacturing method of intermediate lever shell as claimed in claim 2, which is characterized in that the formation casing blank part
Step includes:
Substrate is provided；
Punch forming is carried out to the substrate, forms shell, the shell includes the first plate and the second plate being oppositely arranged；
First plate is bent, first side plate and the first connecting portion are formed, second plate is carried out curved
Song forms second side plate and the second connecting portion；
The first connecting portion and second connecting portion fitting are fixed.
4. the manufacturing method of intermediate lever shell as claimed in claim 3, which is characterized in that described by the first connecting portion
Fixed processing technology is welding procedure with second connecting portion fitting.
5. the manufacturing method of intermediate lever shell according to any one of claims 1-4, which is characterized in that described described
The processing work of the through-hole in the binding face direction perpendicular to the first connecting portion is opened up on one interconnecting piece and the second connecting portion
Skill is punch forming process.
6. a kind of intermediate lever shell, which is characterized in that using intermediate lever shell as described in any one in claim 1-5
Manufacturing method is made, comprising:
It is oppositely arranged and centre has the first side plate and the second side plate of idler wheel accommodating chamber, and incited somebody to action in vertical side board direction
The first connecting portion and second connecting portion that first side plate and the second side plate are fixed, the first connecting portion is by first side plate
First end is formed, and the second connecting portion is formed by the first end of second side plate；The first connecting portion and described second
The inner surface of the inner surface of first side plate and the second side plate can be bonded and fix by interconnecting piece；
The binding face direction perpendicular to the first connecting portion is offered in the first connecting portion and the second connecting portion
Through-hole.
7. intermediate lever shell as claimed in claim 6, which is characterized in that further include:
Arc actuating member, the two sides of the arc actuating member be separately connected first side plate second end and second side plate
Second end, the arcwall face of the arc actuating member extends along the second end extending direction of first side plate.
8. a kind of intermediate lever, suitable for being set in engine characterized by comprising fixing piece and as claimed in claim 6
Intermediate lever shell, the fixing piece pass through the through-hole intermediate lever shell is fixed on the cabinet of engine.
9. intermediate lever as claimed in claim 8, which is characterized in that further include:
Intermediate roller, the intermediate roller are set in the idler wheel accommodating chamber；
Roller fastener, the roller fastener connect the intermediate roller and the intermediate lever shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549985.8A CN109882260A (en) | 2018-12-18 | 2018-12-18 | Intermediate lever, intermediate lever housing and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549985.8A CN109882260A (en) | 2018-12-18 | 2018-12-18 | Intermediate lever, intermediate lever housing and method for producing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882260A true CN109882260A (en) | 2019-06-14 |
Family
ID=66925054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549985.8A Pending CN109882260A (en) | 2018-12-18 | 2018-12-18 | Intermediate lever, intermediate lever housing and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882260A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001003715A (en) * | 1999-06-23 | 2001-01-09 | Koyo Seiko Co Ltd | Rocker arm |
| US20020092491A1 (en) * | 1997-04-23 | 2002-07-18 | Kazuyuki Kotani | Rocker arm |
| CN1421595A (en) * | 2001-11-22 | 2003-06-04 | Ntn株式会社 | Cursor |
| JP2003161124A (en) * | 2001-11-22 | 2003-06-06 | Ntn Corp | Rocker arm |
| CN103328777A (en) * | 2011-02-10 | 2013-09-25 | 谢夫勒科技股份两合公司 | Intermediate lever |
-
2018
- 2018-12-18 CN CN201811549985.8A patent/CN109882260A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092491A1 (en) * | 1997-04-23 | 2002-07-18 | Kazuyuki Kotani | Rocker arm |
| JP2001003715A (en) * | 1999-06-23 | 2001-01-09 | Koyo Seiko Co Ltd | Rocker arm |
| CN1421595A (en) * | 2001-11-22 | 2003-06-04 | Ntn株式会社 | Cursor |
| JP2003161124A (en) * | 2001-11-22 | 2003-06-06 | Ntn Corp | Rocker arm |
| CN103328777A (en) * | 2011-02-10 | 2013-09-25 | 谢夫勒科技股份两合公司 | Intermediate lever |
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