CN104470677B - Packing ring is installed assembly tool on the bearing surface - Google Patents
Packing ring is installed assembly tool on the bearing surface Download PDFInfo
- Publication number
- CN104470677B CN104470677B CN201380017300.4A CN201380017300A CN104470677B CN 104470677 B CN104470677 B CN 104470677B CN 201380017300 A CN201380017300 A CN 201380017300A CN 104470677 B CN104470677 B CN 104470677B
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- Prior art keywords
- packing ring
- assembly tool
- fixed mechanism
- bearing
- spot
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- 238000012856 packing Methods 0.000 title claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims description 65
- 239000011324 bead Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Abstract
It is desirable to provide a kind of assembly tool, for packing ring (10) being positioned along the bearing-surface (21) of the part (20) that basic horizontal plane disposes, it is characterized in that, described assembly tool includes: hold the gasket in vertically or in obliquity can make instrument (36, 37) holding means of described packing ring is discharged, when packing ring is kept device release, packing ring is guided the guide (36c1 of its position on part bearing-surface, 36c2), with the centralizer (36d) on described bearing-surface (21) that packing ring (10) is centered.
Description
No. 1252663 patent application of France that application claims was submitted on March 26th, 2012
Priority, entire contents (text, drawings and claims) is incorporated at this draw make reference.
Technical field
The present invention relates to a kind of assembly tool installed by packing ring on the bearing surface, this bearing-surface especially position
The region arrived it is difficult in part.In the way of the object of the invention for example and not limitation and scope, this
The supporting bead assembling screw is arranged in the spot-facing of vehicle engine lid by bright being applied to.
In ensuing text, " spot-facing " is interpreted as arrangement portion or the boring of roundlet column type, generally quilt
It is processed as pore and is used for the bearing-surface of packing ring or for covering the screw head of such as soket head cap screw
Element.
Background technology
If replacing single packing rings with two overlapping packing rings, if or packing ring lose in part, especially
It is without location of mistake packing ring being detected, packing ring is arranged on part and is difficult to arrive or can not
See that quality problems can be caused in region.The probability of dress by mistake is added in the case of hand assembled packing ring.
Under the particular case of vehicle engine lid mentioned above, by screw is passed cylinder
Cylinder head is assembled on gas cylinder hut, wherein by the enforcement of getting off covering and being placed in by supporting bead head of screw
Screw is in spot-facing, and spot-facing is disposed around in the cylinder head of screwing through hole.For some cylinder head
Structure, especially when as engine cylinder cap, is wherein controlled valve by push rod, due to packing ring phase
Getatability to reception spot-facing, the installation of supporting bead is difficult, or impossible.
It is true that the design such as engine crankcase and the such mechanical mechanism of cylinder head needs these
Component carries out increasing constraint the most geometrically, with change the power of electromotor, fuel consumption,
Environmental capacity, again or due to friction energy loss or make power assembly assembly compacter.And casting
That makes technique improves available more complicated assembly, to meet these new demands.
For the problem solving to implement supporting bead, it has been suggested that various solutions.
And, by way of example, FR 2957546 describes a kind of enforcement by the supporting bead of screw
The method being assembled in holding part, holding part is positioned in engine crankcase, and described method includes
Following steps:
Cylinder head, equipped with at least one the guiding ramp implemented with cylinder head casting, guides ramp and leads to
To holding part,
Packing ring is placed in guiding ramp,
Dispose along guiding ramp sliding gasket, until packing ring is positioned in holding part, pass through gravity
Or implement to slide by instrument.
In cylinder head, cast, with cylinder head, the block implemented again or be added in cylinder head and be placed
At the edge in arrangement portion, ramp is facing with guiding.
It will be noted that in the enforcement of the method for known, the casting that is especially formed or add
If disposing relatively complicated so that packing ring to be directed to the form in its arrangement portion, the shortcoming presented is for increasing the weight of
Cylinder head and uneconomical.
Summary of the invention
It is an object of the invention to provide the assembly tool of a kind of hinge structure and method more preferably
Novel assembly tool, its object is to packing ring can be arranged on the table that part is unreachable on region
On face, more particularly, although not exclusively, the supporting bead assembling screw of cylinder head is arranged in spot-facing,
More specifically, the more difficult arrival of spot-facing and invisible time.
Another object of the present invention is to provide a kind of instrument assembling packing ring on more difficult arrival region,
Comparing the packing ring assembling performed by apparatus and method known in the art, described instrument can obtain more
Quick and more preferably quality assembling.
A further object of the present invention is to provide a kind of assembly tool, and it is applied to the assembling spiral shell of cylinder head
The packing ring of nail, it is possible to alleviate the weight of described packing ring.
Finally, the present invention also aims to provide a kind of assembly tool, make enforcement the most in design
Relatively simple and stable, reliable and economical with using.
Present invention firstly provides a kind of assembly tool, for packing ring being positioned along basic horizontal plane peace
On the bearing-surface of the part put, described assembly tool includes:
-hold the gasket in vertically or in obliquity so that instrument can be made to discharge the holding of described packing ring
Device,
-when packing ring is kept device release, packing ring is guided its position on part bearing-surface
Guide, and
-center the centralizer on described bearing-surface by packing ring.
Even and if especially on the most unattainable region, described assembly tool ensure that packing ring is just
True and repeatable installation: operator can not manual installation packing ring in a natural manner time, the most logical
Cross translation packing ring on the horizontal level on same level of bearing-surface and present pad by simple method
Circle, by instrument translation on packing ring vertical position, described instrument can make packing ring near bearing-surface,
This is inserted in component, more specifically inserts in Thermal Motor cylinder head, and cylinder head presents
Specific bossing, especially in the upright side walls that should dispose around the bearing-surface of packing ring.Connect
Getting off, when the packing ring on vertical position is sufficiently close to bearing-surface, the instrument according to the present invention can
Accurately control to swing, then packing ring is centered on bearing-surface.These different steps can be by grasping
Work person triggers or automatically triggers.
Whole herein, by " above ", " below ", " highly " and the space orientation of other assemblies all
Instruction is interpreted as that the operating position of assembly tool is (with reference to assembly tool sky in mentioned embodiment
Real-time positioning between).
Preferably, vertical or obliquity described holding means is kept to include fixed mechanism and relative institute
Stating the travel mechanism that fixed mechanism moves, described fixed mechanism limits together with travel mechanism and is applicable to protect
Hold the clamp of the upper part of packing ring.
Preferably, described guide limits at least one angular guide surfaces, at packing ring by described holding
During device release, described packing ring slides towards described bearing-surface and/or pendulum in described angular guide surfaces
Dynamic.
Described guide advantageously limits two angular guide surfaces, and said two angular guide surfaces has
The gradient relative relative to vertical direction and being positioned on differing heights, one of them guide surface props up
Hold a part at least within for the medial surface of described packing ring, and another guide surface supports its lateral surface
A part at least within.
According to a kind of embodiment, described bearing-surface gauge has spot-facing, as it has been described above, described in center
Device is connected with guide and defines and the profile of described spot-facing shape interworking, described profile
Insert in described spot-facing when discharging described packing ring.
Advantageously, include the support sector of substantially horizontal orientation according to the assembly tool of the present invention, described
At least one fixed mechanism matched with travel mechanism, described fixing machine it is connected with in support sector
Structure is substantially vertically oriented, and the upper section of described fixed mechanism limits clamp together with travel mechanism,
Described clamp keep described packing ring upper part, by pack up travel mechanism make clamp release packing ring time,
The mid portion gauge of described fixed mechanism guides the guide surface of packing ring, and the bottom of described fixed mechanism
The profile of point institute's gauge is suitable for insertion in the spot-facing for packing ring of part bearing-surface.
Preferably, described assembly tool includes multiple fixed mechanism and travel mechanism, described travel mechanism
Activated by common actuation means, it is allowed to easily synchronize to position multiple packing rings.
The present invention also aims to provide a kind of method operating aforementioned assembly tool, described method bag
Include following steps:
Fixed mechanism around assembly tool inserts packing ring,
By packing ring is clamped in described pad between the fixed mechanism of assembly tool and travel mechanism
Circle is maintained at vertically or on the position of inclination,
Packing ring is discharged by packing up described travel mechanism particular by actuator,
By sliding/swing by least one inclined plane limited by fixed mechanism, gravity will pad
Circle guides on the position of basic horizontal, to be positioned on the bearing-surface of part by described packing ring.
Preferably, described method makes, when the bearing-surface of described part defines spot-facing, by inciting somebody to action
A part for fixed mechanism is inserted in described spot-facing and is positioned in described bearing-surface by described packing ring
The heart.
The present invention relates more specifically to assembly tool and foregoing implementation, wherein said packing ring
For internal combustion engines of motor vehicles cylinder head assemble screw supporting bead, and described supporting bead want
The porch in order to receive the boring assembling screw being positioned on the spot-facing of described cylinder head.
The present invention also aims to provide a kind of vehicle, more specifically motor vehicles, assemble with
The internal combustion engine of cylinder head, wherein valve is controlled by such as push rod, and in this internal combustion engine, by depending on
The supporting bead assembling screw of cylinder head is disposed according to assembly tool described above.
Accompanying drawing explanation
With reference to appended accompanying drawing, next with the reality in the range of nonrestrictive purpose and present patent application
Executing in the detailed description of example, other objects, advantages and features of the present invention will be apparent from, wherein:
Fig. 1 is the longitudinal sectional view of the supporting bead assembling screw of motor vehicle engine cylinder head,
Packing ring is shown on the position being arranged in its spot-facing, and spot-facing is implemented in assembling screw and receives boring
Porch,
Fig. 2 is the present invention indicating and can assembling screw supporting bead in the cylinder head of installation diagram 1
The elevational schematic view of assembly tool, and
Fig. 3 is the top view of the assembly tool being shown in Fig. 2,
Fig. 4 to 7 is the longitudinal profile schematic diagram of the operation of the assembly tool indicating Fig. 2 and 3,
Thus for the supporting bead assembling screw is placed in the dynamic schematic diagram in cylinder head spot-facing.
Detailed description of the invention
With reference to Fig. 1, represent a part of cylinder head of motor vehicle engine by reference 20.To lift
Example and unrestricted the object of the invention and the mode of scope, cylinder head 20 is the internal combustion engine of push rod distribution type
Cylinder head, its structure is relative complex, wherein installs assembling screw 40 and the supporting bead 10 of cylinder head
Being difficult, this is spot-facing or the accessibility of bearing-surface 21 owing to being provided for receiving packing ring 10.
ZZ' represents the axis assembling screw 40, thus represents the axis of the boring 22 receiving screw 40.Pad
The thickness of circle 10 is " e ", and overall diameter is " D " and interior diameter is " d ".Arrange within cylinder heads 20
The diameter of holding part 21 (spot-facing) and depth dimensions are designed to receive packing ring 10.Reference 22
Instruction receives the boring assembling screw 40 in cylinder head.
It should be noted that this holding part 21 is positioned in the region more difficult to get access of cylinder head 20, this be by
In being positioned at by a part of cylinder head shown in reference 20A above the boring 22 assembling screw 40
And on the axis of boring 22.Packing ring 10 cannot the most vertically be disposed, and especially can not
This partial cylinders lid 20A in a horizontal plane and is translated across vertically itself to keep arranging,
To enter spot-facing 21.Accordingly, it would be desirable to implement the assembling of packing ring 10 according to different motions.
According to the principle of the present invention, implemented by instrument that reference is 30, i.e. " assembly tool "
The assembling of packing ring 10, will be described below described assembly tool with reference to Fig. 2 and 3.
Described instrument 30 includes the frame support bracket 31 of substantially parallel hexahedral shape and includes being arranged in
Four centralizers 32 of four corner vicinities of bracket, described four centralizers 32 are from described bracket
Lower surface prominent extend.
Frame support bracket 31 also with eight to fixing/travel mechanism 33 (will describe in detail with reference to Fig. 4 to 7)
Common actuation means 34 with travel mechanism.Every pair of fixing/travel mechanism is applicable to space washer, work
Tool 30 thus can be by eight packing ring synchronization arrangement in cylinder head.(alternatively, instrument can include
Greater number or smaller amounts are to fixing/travel mechanism, even only a pair of.Alternatively, it is also possible to
Each travel mechanism arranges single actuator, can synchronize or asynchronous space washer.)
Frame support bracket 31 also includes two gripping handles 35 on surface fixed thereon.
The operation principle of instrument 30 is as follows:
Operator grips frame support bracket 32 by handle 35,
Operator inserts eight packing rings around each (relative to the bracket 31) in eight fixed mechanisms,
Frame support bracket 31 is placed on above cylinder head 20 and makes supporting by centralizer 32 by operator
Bracket 31 positions relative to cylinder head,
Operator activates actuation means 34, in order to by packing up described travel mechanism release packing ring, so
Rear packing ring is placed on the bearing-surface of they correspondences,
It follows that when packing ring is had good positioning, operator vertically translates taking-up by being hoisted by instrument
Instrument.
Fig. 4 to 7 describes one pair of which 33 fixed mechanism 36 and the operation of travel mechanism 37 in detail,
And the motion conditions of packing ring 10.
As represented in figure 1, fixed mechanism 36 has the shape of vertically prolongation, can resolve at height
The some of distribution on degree, the most respectively :-upper part, fixed mechanism has base portion 36a,
Fixed mechanism is connected with bracket 31 by described base portion ,-it follows that fixed mechanism has restriction
Vertically the first mid portion 36b of flat surface, described vertical flat surface and the shifting being in extended position
Another vertical flat surface of motivation structure 37 is relative, and the distance that the two surface is spaced is close to packing ring
The thickness e of 10, plays the effect of grip jaw, as represented by figure, when inserting pad around fixed mechanism
During circle, hold the gasket on vertical position by the upper part of packing ring ,-it follows that fixed mechanism
Having the second mid portion 36c, it presents the vertical profile of band baffle plate, limit two hoist turn draw
Guide face 36c1 and 36c2, opposed vertical direction tilts and reversely orientated ,-last, base portion end 36d
Have and dispose section 22 same shape and smaller horizontal section, so that fixed mechanism and being associated
Packing ring be relatively fixed mechanism and therefore relative to receiving the bearing-surface 21 of packing ring 10 by correctly fixed
The heart.
Therefore Fig. 4 corresponding to being maintained at the step on vertical (or generally vertical) position by packing ring 10,
Fixed mechanism centers against the bearing-surface of packing ring and bearing-surface relatively.Fig. 5 corresponds to the pass movement
Mechanism 37 pack up release packing ring step: by operator control actuation means 34 by travel mechanism to
Eminence (arrow f1) vertically translates.Therefore packing ring is the most clamped, and by gravity longitudinal sliding motion.
Fig. 6 represents the packing ring oscillating motion by guiding (arrow f2), the top of the medial surface 10a of packing ring
Slide point on guide surface 36c1 and the lower part of lateral surface 10b of packing ring is in the guiding of fixed mechanism
Slide on the 36c2 of face.Fig. 7 is shown in the position of the packing ring 10 at the end of oscillating motion: packing ring 10 is certainly
So being positioned on bearing-surface 21, be preferably located in center and be level, bottom-boot face 36c2 is eventually
Terminate in against bearing-surface and almost on the position of bearing-surface 21.
Can manually, again or by automaton (known pneumatic, hydraulic pressure, electrically or magnetic force type)
Implement decline (and rising) motion of assembly tool 30.
The assembly tool of packing ring described above presents multiple advantage, wherein has the following advantages:
The installation time of packing ring can be saved, can synchronize to assemble eight packing rings,
The better quality of packing ring assembling can also be realized,
The load of cylinder head can be alleviated, and omit casting fitting, as made especially for by packing ring
The ribs guided to its holding part, big chamfering, inclined-plane, and
Remain simple manufacture and operator scheme.
Claims (9)
- null1. an assembly tool (30)，For packing ring (10) being positioned along the bearing-surface (21) of the part (20) that basic horizontal plane disposes，It is characterized in that，Described assembly tool includes :-hold the gasket in vertically or in obliquity so that instrument (36 can be made，37) holding means of described packing ring is discharged，-when packing ring is kept device release packing ring guided the guide (36c1 of its position on part bearing-surface，36c2)，With-center the centralizer (36d) on described bearing-surface (21) by packing ring (10)，Vertical or obliquity described holding means is kept to include fixed mechanism (36) and the travel mechanism (37) moved relative to described fixed mechanism，Described fixed mechanism limits the clamp being applicable to keep the upper part of packing ring (10) together with travel mechanism.
- Assembly tool the most according to claim 1 (30), it is characterized in that, described guide limits at least one angular guide surfaces (36c1,36c2), when packing ring (10) is discharged by described holding means, described packing ring slides towards described bearing-surface (21) and/or swings in described angular guide surfaces.
- Assembly tool the most according to claim 2 (30), it is characterized in that, described guide limits two angular guide surfaces (36c1,36c2), said two angular guide surfaces has the gradient relative relative to vertical direction and is positioned on differing heights, one of them guide surface supports a part at least within for the medial surface (10a) of described packing ring, and another guide surface supports the part at least within of its lateral surface (10b).
- 4. according to the assembly tool (30) according to any one of the claims, it is characterized in that, described bearing-surface (21) gauge has spot-facing, described centralizer (36d) and guide (36c1,36c2) being connected and define and the profile of described spot-facing shape interworking, described profile inserts in described spot-facing when discharging described packing ring (10).
- Assembly tool the most according to claim 4 (30), it is characterized in that, described assembly tool (30) includes the support sector (31) of substantially horizontal orientation, described support sector (31) is connected with at least one fixed mechanism (36) matched with travel mechanism (37), described fixed mechanism (36) is substantially vertically oriented, the upper section (36b) of described fixed mechanism limits clamp together with travel mechanism, described clamp keeps the upper part of described packing ring, by pack up travel mechanism make clamp release packing ring time, mid portion (36c) gauge of described fixed mechanism guides the guide surface of packing ring, and the profile of lower part (36d) the institute gauge of described fixed mechanism be suitable for insertion into part bearing-surface (21) in the spot-facing of packing ring (10).
- Assembly tool the most according to claim 5 (30), it is characterised in that described assembly tool (30) includes multiple fixed mechanism and travel mechanism, described travel mechanism is activated by common actuation means (34).
- 7. according to the using method of the assembly tool (30) according to any one of the claims, it is characterised in that described method comprises the steps:Fixed mechanism (36) around assembly tool inserts packing ring (10),By packing ring being clamped between the fixed mechanism (36) of assembly tool and travel mechanism (37) on the position described packing ring being maintained at vertically or tilting,Packing ring (10) is discharged by packing up described travel mechanism (37) by means of actuation means (34),By at least one inclined plane (36c1 limited by fixed mechanism (36), packing ring (10) is guided on the position of basic horizontal by the gravity that slides on 36c2)/swing by, to be positioned at by described packing ring on the bearing-surface (21) of part (20).
- Method the most according to claim 7, it is characterized in that, the bearing-surface (21) of described part (20) defines spot-facing, by a part for fixed mechanism (36) is inserted the center that described packing ring (10) is positioned in described spot-facing described bearing-surface.
- 9. according to the assembly tool (30) according to any one of claim 1,2,3,5 and 6, it is characterized in that, described packing ring (10) is the supporting bead assembling screw of the cylinder head (20) of internal combustion engines of motor vehicles, and the porch in order to receive the boring assembling screw (40) that described supporting bead (10) to be positioned on the spot-facing of described cylinder head.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1252663A FR2988313B1 (en) | 2012-03-26 | 2012-03-26 | MOUNTING TOOL FOR POSITIONING A WASHER ON A SUPPORT SURFACE |
| FR1252663 | 2012-03-26 | ||
| PCT/FR2013/050445 WO2013144472A1 (en) | 2012-03-26 | 2013-03-01 | Fitting tool for positioning a washer on a support surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104470677A CN104470677A (en) | 2015-03-25 |
| CN104470677B true CN104470677B (en) | 2016-11-30 |
Family
ID=
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2957546A1 (en) * | 2010-03-18 | 2011-09-23 | Peugeot Citroen Automobiles Sa | Method for installing support washer to support assembling screw in housing arranged in cylinder head of heat engine of motor vehicle, involves installing support washer by sliding along guiding ramp until receiving washer in housing |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2957546A1 (en) * | 2010-03-18 | 2011-09-23 | Peugeot Citroen Automobiles Sa | Method for installing support washer to support assembling screw in housing arranged in cylinder head of heat engine of motor vehicle, involves installing support washer by sliding along guiding ramp until receiving washer in housing |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |