CN205660614U - Valve clearance's adjusting device - Google Patents
Valve clearance's adjusting device Download PDFInfo
- Publication number
- CN205660614U CN205660614U CN201620572180.5U CN201620572180U CN205660614U CN 205660614 U CN205660614 U CN 205660614U CN 201620572180 U CN201620572180 U CN 201620572180U CN 205660614 U CN205660614 U CN 205660614U
- Authority
- CN
- China
- Prior art keywords
- adapter sleeve
- sleeve
- connecting rod
- valve clearance
- hole
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a valve clearance's adjusting device. This adjusting device includes: adapter sleeve, its inner chamber are equipped with slot hole and step hole, and the inboard of this slot hole is equipped with first keyway, and the excircle of this adapter sleeve is equipped with the adapter sleeve external screw thread, the sleeve, its inner chamber includes in proper order: adjusting nut trepanning, ladder round hole and internal thread hole, internal thread and adapter sleeve matching the external screw spiro union, be equipped with the sleeve spring between adapter sleeve and the sleeve, connecting rod, its periphery are equipped with dome, cylinder, step face and the electronic outer hexagonal portion of spanner of screwing up in proper order, and the bottle opener, it is shaft -like, wears to establish in proper order in sleeve, adapter sleeve, connecting rod, and the periphery of this bottle opener is equipped with the gas exchange bolt in proper order and revolve twists head, boss, round bar and motor connector, wear to be equipped with the bottle opener spring between boss and the connecting rod. This adjusting device accomplishes by equipment is automatic measuring the clearance, rotating adjusting bolt, locking the three operation of adjusting nut action integration, has improved valve clearance's work efficiency.
Description
Technical field
This utility model relates to the adjustment field of valve clearance, particularly to the adjusting apparatus of a kind of valve clearance.
Background technology
In the cold state, when valve is closed, the gap between valve and driving member is referred to as between valve electromotor
Gap.Excesssive gap: inlet and outlet door is opened and lagged, and shortens the intake and exhaust time, reduces the Lift of valve, just change
Normal port timing, makes electromotor not enough because of air inlet, and aerofluxus is clean and power drop, additionally, also make hitting of valve actuating mechanism part
Hitting increase, abrasion is accelerated.Gap is too small: after electromotor work, and valve is pushed open by part expanded by heating, makes valve-closing not tight,
Causing gas leakage, power drop, and make the serious carbon distribution of sealing surfaces of valve or burn out, even valve clashes into piston.Therefore sending out
Need during motivation assembling to detect adjustment valve clearance by process control method, make valve clearance control in certain public affairs
In the range of difference.The valve clearance of electromotor requires that general control is between 0.15--0.4mm.
At present during engine assembly, the valve clearance of electromotor mainly uses the method adjusted manually,
Manual rotation's bent axle, to after piston top dead center position, first unclamps the fixing nut of valve adjustments screw, choosing thickness gauge
Very little clearance gauge is filled at the valve clearance between rocker head and the valve stem of required adjustment, and pull feeler on the other hand makes on the other hand
Rotating regulation screw with instruments such as bottle openers, until feeler is somewhat by resistance, regulation screw remains stationary as, and tightens fixing
Nut check regulation screw, locking regulation bolt and the relative position of rocking arm, clearance gauge is taken away under turning crankshaft is further continued for carrying out
The adjustment of one valve clearance, is not quite similar owing to engine valve puts in order, by electromotor igniting (oil spout) order by
Cylinder adjusts valve clearance, until the valve clearance being fully completed whole electromotor adjusts.
Use the method adjusted manually, need the instrument manually simultaneously used to have the clearance gauge in measurement gap, rotate and adjust
The bottle opener of joint bolt, three kinds of different instruments of spanner of locking adjusting nut have coordinated, and operational motion is complicated, the operating time
Long, inefficiency, is one of master operation affecting productive temp during engine assembly.It is automatic that this utility model provides
Adjust method and the mechanism of valve clearance, measurement gap, rotation regulation bolt, locking three operational motions of adjusting nut are integrated
It is automatically performed by equipment, improves the work efficiency of valve clearance.
The information being disclosed in this background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or imply in any form this information structure existing well known to persons skilled in the art
Technology.
Utility model content
The purpose of this utility model is to provide the adjusting apparatus of a kind of simple and reasonable valve clearance, between this valve
The adjusting apparatus of gap rotates the rotational angle of the rotational angle regulation bolt of bottle opener by servo-electric, reaches to regulate spiral shell
The displacement on bolt axis of bolt, measure gap, rotate regulation bolt, locking three operational motions of adjusting nut whole
Close and be automatically performed by equipment, it is achieved thereby that adjust the requirement of valve clearance, improve the work efficiency of valve clearance.
For achieving the above object, this utility model provides the adjusting apparatus of a kind of valve clearance, the tune of this valve clearance
Engagement positions includes: adapter sleeve, and its inner chamber is provided with elongated hole and stepped hole, and the inner side of this elongated hole is provided with the first keyway, this adapter sleeve
Cylindrical is provided with adapter sleeve external screw thread；Sleeve, its inner chamber includes successively: adjusting nut trepanning, ladder circular hole and internal thread hole, described
Female thread coordinates with adapter sleeve external screw thread and is spirally connected；It is provided with sleeve spring between described adapter sleeve and sleeve；Connecting rod, its periphery depends on
Secondary it is provided with dome, cylinder, step surface and electric tightening spanner outer-hexagonal portion；What this connecting rod can be slided is located in described elongated hole
In, described dome coordinates with the elongated hole of adapter sleeve, and described cylinder is slidably matched with the step circular hole of adapter sleeve, outside described dome
Side is provided with the second keyway, and this second keyway is provided with feather key, and this feather key coordinates with described first keyway；And bottle opener, it is bar
Shape, is located in sleeve, adapter sleeve, connecting rod successively, and the periphery of this bottle opener is sequentially provided with valve adjustments bolt and screws head, convex
Platform, round bar and motor connector, be equipped with sub-spring between described boss and connecting rod.
Preferably, in technique scheme, the first keyway and the second keyway are two.
Preferably, in technique scheme, the adapter sleeve external screw thread of adapter sleeve is provided with locking nut, by this locking screw
The described sleeve of female fixing connection and adapter sleeve.
Preferably, in technique scheme, adjusting nut trepanning is inner hexagonal hole or plum blossom hole, and described motor connector is
Outer-hexagonal head or spline, it is conehead or turret head that described valve adjustments bolt screws head.
Preferably, in technique scheme, connecting rod also has connecting rod external screw thread, and this connecting rod external screw thread is provided with solid
Determine nut.
Preferably, in technique scheme, boss is threaded connection with round bar.
Compared with prior art, this utility model has the advantages that the adjusting apparatus of this valve clearance is by watching
Take electric rotary bottle opener rotational angle regulation bolt rotational angle, reach regulate bolt on bolt axis
Displacement, integrates measurement gap, rotation regulation bolt, locking three operational motions of adjusting nut to be automatically performed by equipment,
It is achieved thereby that adjust the requirement of valve clearance, improve the work efficiency of valve clearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjusting apparatus of valve clearance of the present utility model.
Fig. 2 is the adapter sleeve sectional structure schematic diagram of the adjusting apparatus of valve clearance of the present utility model.
Fig. 3 is the adapter sleeve side-looking structural representation of the adjusting apparatus of valve clearance of the present utility model.
Fig. 4 is the sleeve side-looking structural representation of the adjusting apparatus of valve clearance of the present utility model.
Fig. 5 is the sleeve sectional structure schematic diagram of the adjusting apparatus of valve clearance of the present utility model.
Fig. 6 is the connecting rod main TV structure schematic diagram of the adjusting apparatus of valve clearance of the present utility model.
Fig. 7 is the connecting rod sectional structure schematic diagram of the adjusting apparatus of valve clearance of the present utility model.
Fig. 8 is the bottle opener main TV structure schematic diagram of the adjusting apparatus of valve clearance of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in detail, it is to be understood that this practicality
Novel protection domain is not limited by detailed description of the invention.
Explicitly indicating that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or it becomes
Change and such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and do not get rid of other yuan
Part or other ingredient.
As it is shown in figure 1, the concrete structure bag of the adjusting apparatus according to the valve clearance of this utility model detailed description of the invention
Include: sleeve 1, adapter sleeve 2, connecting rod 3, bottle opener 4, sleeve spring 5, a sub-spring 6, feather key 7 and nut 8, wherein, sleeve 1 overlaps
It is located at one end of adapter sleeve 2, for coordinating with adjusting nut.Connecting rod 3 is slidably located in the other end of adapter sleeve 2, logical
Cross that its step surface 18 and outer-hexagonal part 19 and electric tightening spanner 23 is fixing to be connected, bottle opener 4 be located in sleeve 1, adapter sleeve 2,
In connecting rod 3, the valve adjustments bolt of bottle opener 4 screws 25 and rotates with the slotted engagement of the valve adjustments bolt of required adjustment
Regulation bolt, the motor connector 28 of bottle opener 4 rear end is connected with servo motor driving device 30, the adjusting apparatus of this valve clearance
By servo-electric rotate bottle opener rotational angle regulation bolt rotational angle, reach regulate bolt at bolt axle
Displacement on line, integrates measurement gap, rotation regulation bolt, locking three operational motions of adjusting nut automatic by equipment
Complete, it is achieved thereby that adjust the requirement of valve clearance, improve the work efficiency of valve clearance.
Specifically, as shown in Figures 2 and 3, elongated hole 9 and stepped hole 10 it are provided with in adapter sleeve 2, outside adapter sleeve 2 front end
Circle is provided with adapter sleeve external screw thread 11, is provided with two keyways 12 inside the elongated hole 9 within adapter sleeve 2.
As shown in Figure 4 and Figure 5, the inner chamber of sleeve 1 includes successively: adjusting nut trepanning 13, ladder circular hole 14 and female thread
Hole 15, adjusting nut trepanning 13 is arranged on the front end of sleeve 1, and it is inner hexagonal hole or plum blossom hole, is used for adjusting nut (in figure
Not shown) form fit socket.Ladder circular hole 14 is for limiting the skew of bottle opener 4.Female thread 15 is arranged on the rear end of sleeve 1,
It is spirally connected for coordinating with the adapter sleeve external screw thread 11 of adapter sleeve 2 front end.The adapter sleeve external screw thread 11 of adapter sleeve 2 is provided with locking screw
Female 8, by locking nut 8 fixed operating sleeve cylinder 1 and adapter sleeve 2.It is provided with sleeve between adapter sleeve 2 inside and the inside of sleeve 1
Spring 5.
As shown in Figure 6 and Figure 7, the periphery of connecting rod 3 is sequentially provided with dome 16, cylinder 17, step surface 18, outer-hexagonal portion 19
With connecting rod external screw thread 20；Connecting rod 3 is internal is provided with through hole 21, is used for wearing bottle opener 4；What connecting rod 3 can be slided is located in
In the elongated hole 9 of adapter sleeve 2, dome 16 coordinates with the elongated hole 9 of adapter sleeve 2, and the step circular hole 10 of cylinder 17 and adapter sleeve 2 slides and joins
Closing, be provided with keyway 22, keyway 22 is respectively equipped with feather key 7 outside dome 16, feather key 7 is joined with the keyway 12 in adapter sleeve elongated hole 9
Close so that connecting rod 3 can drive adapter sleeve 2 and sleeve 1 to rotate.Preferably, fluting in adapter sleeve 2 12 is adopted except such scheme
Two flutings outside, it is possible to be designed as the mode of one or more slotted engagement, equally can the work that rotates of bottle opener band moving sleeve 1
With.On the dome 16 of feather key 7 and connecting rod 3, boring is opened screw thread 31, feather key 7 and dome 16 and is used the mode of bolt to fix.
The outer-hexagonal portion 19 of connecting rod 3 is connected with electric tightening spanner 23 (schematic diagram), the connecting rod external screw thread of connecting rod 3
20 are provided with fixing nut 24.Connecting rod 3 is connected for fixing with electric tightening spanner 23 by step surface 18 and outer-hexagonal portion 19
Connect.
As shown in Figure 8, bottle opener 4 is shaft-like, is located in successively in sleeve 1, adapter sleeve 2, connecting rod 3, and its periphery sets successively
Have valve adjustments bolt to screw 25, boss 26, round bar 27 and a motor connector 28, valve adjustments bolt screw 25 for institute
Need the conehead of slotted engagement of valve adjustments bolt or the turret head adjusted, rotate regulation bolt, boss 26 and connecting rod 3 it
Between be equipped with sub-spring 6, under the effect playing sub-spring 6, bottle opener 4 keeps acting axially on the power on regulation bolt head, anti-
Only bottle opener 4 fluting of abjection bolt head when rotating, the big I of spring force adjusts by the way of plus-minus pad 31, it is possible to
The boss 26 of bottle opener 4 is designed as by the way of screw thread being connected with round bar 27, adjusts the big of spring force by adjusting nut
Little.Motor connector 28 is outer-hexagonal head or spline, and for being connected with servo motor driving device 30, motor connector 28 can be
Servo-electric driving means 30 is slided.Servomotor forward drive bottle opener 4 rotates forward, and drives regulation bolt to rotate forward, until
Rotate and arrive the moment set and keep this moment, then tighten electric wrench and rotate forward and tighten sleeve 1, reach the power set
Inverting sleeve 1 after square to unclamp, regulate bolt rotates forward the gap eliminated between valve rocker head and valve stem, keeps setting
Fixed moment can ensure under the state that valve clearance is zero, tightens adjusting nut and eliminates the gap between screw thread, eliminates between screw thread
The impact on valve clearance of the impurity between gap and screw thread, the rotating forward of regulation bolt eliminate valve rocker head and valve stem it
Between gap.
When the adjusting apparatus of this valve clearance specifically used, after manual rotation's bent axle to piston top dead center position, valve
The vertical valve adjustments bolt with required adjustment of the adjusting apparatus axis in gap on the same axis, adjusts valve clearance mechanism
Moving from top to bottom, adjusting nut encountered by sleeve 1, and sleeve spring is compressed, and sleeve overlays tune under the effect of sleeve spring power
Saving nut termination, electric wrench reverse drive connecting rod 3, adapter sleeve 2 and sleeve 1 invert certain angle, and sleeve 1 is at spring force
Effect under automatically recognize cap sleeve and enter nut, regulation bolt encountered by bottle opener 4, and bottle opener 4 overlays regulation under the effect of bottle opener spring force
Bolt end, servomotor reverse drive bottle opener 4 inverts certain angle, and the valve adjustments bolt of bottle opener 4 screws 25 embedding
In the fluting of bolt head, servomotor forward drive bottle opener 4 rotates forward, and driving regulation bolt to rotate forward, setting until rotating arrival
Fixed moment also keeps this moment, regulates the gap eliminated between valve rocker head and valve stem that rotates forward of bolt, so
After tighten electric wrench and rotate forward and tighten sleeve, invert sleeve after reaching the moment set and unclamp, driven by servomotor regulates
Bottle opener rotates backward a low-angle set and fixed angle is motionless, tightens electric wrench and rotates forward sleeve and tighten regulation spiral shell
Mother, after reaching the moment of setting, automatically adjusts valve clearance mechanism and exits, complete the automatic adjustment of a valve clearance, rotate
Bent axle is further continued for carrying out the adjustment of next valve clearance, is not quite similar owing to engine valve puts in order, by electromotor
Igniting (oil spout) order adjusts valve clearance by cylinder, until the valve clearance being fully completed whole electromotor adjusts.Valve adjustments
The lead angle of bolt and pitch add at bolt and ensure to be relatively fixed constant (changing negligible) by technology controlling and process man-hour,
Reach to regulate the displacement on bolt axis of bolt by the rotational angle of control and regulation bolt, it is achieved thereby that adjust
The requirement of valve clearance.
To sum up, the adjusting apparatus of this valve clearance rotates the rotational angle regulation bolt of bottle opener by servo-electric
Rotational angle, reach regulate bolt the displacement on bolt axis, measure gap, rotate regulate bolt, locking
Three operational motions of adjusting nut are integrated and are automatically performed by equipment, it is achieved thereby that adjust the requirement of valve clearance, improve gas
The work efficiency in door gap.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration.These
Describe and be not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
A lot of changes and change.The purpose selected exemplary embodiment and describe is to explain certain principles of the present utility model
And reality application, so that those skilled in the art is capable of and utilizes various different example of the present utility model
Property embodiment and various different selection and change.Scope of the present utility model be intended to by claims and etc. similar shape
Formula is limited.
Claims (6)
1. the adjusting apparatus of a valve clearance, it is characterised in that including:
Adapter sleeve, its inner chamber is provided with elongated hole and stepped hole, and the inner side of this elongated hole is provided with the first keyway, and the cylindrical of this adapter sleeve is provided with
Adapter sleeve external screw thread；
Sleeve, its inner chamber includes successively: adjusting nut trepanning, ladder circular hole and internal thread hole, outside described female thread is with adapter sleeve
Threaded engagement is spirally connected；It is provided with sleeve spring between described adapter sleeve and sleeve；
Connecting rod, its periphery is sequentially provided with dome, cylinder, step surface and electric tightening spanner outer-hexagonal portion；This connecting rod can
That slides is located in described elongated hole, and described dome coordinates with the elongated hole of adapter sleeve, described cylinder and the step circular hole of adapter sleeve
Being slidably matched, the outside of described dome is provided with the second keyway, and this second keyway is provided with feather key, this feather key and described first keyway
Coordinate；And
Bottle opener, it is shaft-like, is located in successively in sleeve, adapter sleeve, connecting rod, and the periphery of this bottle opener is sequentially provided with valve adjustments
Bolt screws head, boss, round bar and motor connector, has been equipped with sub-spring between described boss and connecting rod.
The adjusting apparatus of valve clearance the most according to claim 1, it is characterised in that described first keyway and the second keyway
It is two.
The adjusting apparatus of valve clearance the most according to claim 1, it is characterised in that the outer spiral shell of the adapter sleeve of described adapter sleeve
Stricture of vagina is provided with locking nut, connects described sleeve and adapter sleeve by this locking nut is fixing.
The adjusting apparatus of valve clearance the most according to claim 1, it is characterised in that described adjusting nut trepanning is interior six
Corner apertures or plum blossom hole, described motor connector is outer-hexagonal head or spline, and it is conehead or six that described valve adjustments bolt screws head
Angle head.
The adjusting apparatus of valve clearance the most according to claim 1, it is characterised in that described connecting rod also has connecting rod
External screw thread, this connecting rod external screw thread is provided with fixing nut.
The adjusting apparatus of valve clearance the most according to claim 1, it is characterised in that described boss and round bar pass through screw thread
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572180.5U CN205660614U (en) | 2016-06-14 | 2016-06-14 | Valve clearance's adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572180.5U CN205660614U (en) | 2016-06-14 | 2016-06-14 | Valve clearance's adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205660614U true CN205660614U (en) | 2016-10-26 |
Family
ID=57154788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620572180.5U Withdrawn - After Issue CN205660614U (en) | 2016-06-14 | 2016-06-14 | Valve clearance's adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205660614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922183A (en) * | 2016-06-14 | 2016-09-07 | 广西玉柴机器股份有限公司 | Valve clearance adjusting device |
| CN106584369A (en) * | 2016-12-29 | 2017-04-26 | 沈阳航博自动化科技有限公司 | Method for opening engine combustion chamber for checking opening covers on airplane and special tool |
-
2016
- 2016-06-14 CN CN201620572180.5U patent/CN205660614U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922183A (en) * | 2016-06-14 | 2016-09-07 | 广西玉柴机器股份有限公司 | Valve clearance adjusting device |
| CN105922183B (en) * | 2016-06-14 | 2018-01-12 | 广西玉柴机器股份有限公司 | The adjusting apparatus of valve clearance |
| CN106584369A (en) * | 2016-12-29 | 2017-04-26 | 沈阳航博自动化科技有限公司 | Method for opening engine combustion chamber for checking opening covers on airplane and special tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20180112 |