CN209570106U - A kind of auxiliary mould measuring valve retainer circular runout - Google Patents
A kind of auxiliary mould measuring valve retainer circular runout Download PDFInfo
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- CN209570106U CN209570106U CN201920636025.9U CN201920636025U CN209570106U CN 209570106 U CN209570106 U CN 209570106U CN 201920636025 U CN201920636025 U CN 201920636025U CN 209570106 U CN209570106 U CN 209570106U
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- cylindrical body
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- bridging structure
- valve retainer
- slot
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Abstract
The utility model discloses a kind of auxiliary moulds for measuring valve retainer circular runout, including holding bridging structure, the end bridging structure is cylindrical body compatible with valve guide bushing, and the lower open counterbore equipped with axially extending setting of the cylindrical body, the two sides of the cylindrical body lower part, which are equipped with, cuts slot；The top of the cylindrical body is equipped with the steel ball of support positioning core axle, and the top of the cylindrical body is equipped with conical surface groove compatible with the lower part of the steel ball.The auxiliary mould of the measurement valve retainer circular runout of the utility model, belong to engine accessory power rating detection technique field, axial limiting is carried out to positioning core axle provided with end bridging structure, prevent that the size of positioning core axle is too short and is not suitable for the excessive valve guide bushing of depth, it can be equally used for measurement work using the shorter positioning core axle of size, the adaptability for improving positioning core axle meets the measurement request of the valve port valve retainer of different model；It can guarantee that dial gauge rotation is steady, effective measurement data is accurate.
Description
Technical field
The utility model relates to engine accessory power rating detection technique fields, more specifically, it relates to a kind of measurement valve seating
Enclose the auxiliary mould of circular runout.
Background technique
When at present for the valve retainer circular runout item detection on cylinder head assembly, as shown in Fig. 1, generally adopt
It is measured with mandrel cooperation indicating meter rotation signing method, inner wall and the rotation of valve retainer is close to by the gauge head of dial gauge
Dial gauge, to carry out the measurement of circular runout to valve retainer；Existing measurement method one are as follows: as shown in Fig. 1, cylinder head
E is placed on bottom plate b, and locating shaft c is inserted into the valve guide bushing on cylinder head e, and the pivoted housing d on dial gauge a and locating shaft c connects
It connects, the gauge head of dial gauge a and the inner conical surface at valve retainer chamfering is abutted against, then rotate dial gauge a and measure valve retainer
The situation of change of internal diameter is beated with the circle for obtaining valve retainer, since pivoted housing d and locating shaft c mating surface are excessive, to measurement result
Excessive influence is had, accurately measurement data cannot be obtained.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the purpose of this utility model is
The auxiliary mould that a kind of detection data accurately measures valve retainer circular runout is provided.
To achieve the above object, the utility model provides a kind of auxiliary mould for measuring valve retainer circular runout, packet
End bridging structure is included, the end bridging structure is cylindrical body compatible with valve guide bushing, and the lower open of the cylindrical body is equipped with axis
To extended counterbore, the two sides of the cylindrical body lower part, which are equipped with, cuts slot；The top of the cylindrical body is equipped with support locating core
The top of the steel ball of axis, the cylindrical body is equipped with conical surface groove compatible with the lower part of the steel ball.
Further, end bridging structure is elastomer, is to open or shrink outside positioned at the column structure for cutting slot two sides
Swollen, cylinder.
As a further improvement, the auxiliary mould further includes the ramming stem being adapted with the hole wall of valve guide bushing and drawing
Rod, the bottom end of the ramming stem are equipped with pressure head, and the cylinder top end of the end bridging structure is equipped with compatible with the pressure head
Locating slot；The bottom end for pulling out bar is equipped with the guiding axis for extending downwardly setting, and the two sides of the guiding axis bottom end are vertically protruded
Equipped with the fixture block that can be adapted with the hole wall of the counterbore, the top of the cylindrical body is equipped with and the fixture block and guiding axis
Compatible slot.
Further, it is described pull out bar bottom end guiding axis and fixture block can pass through the slot, and can rotate with
The end bridging structure mutually axially limits.
Further, the pressure head is column structure, and the locating slot is circular through hole；The center of the conical surface groove
Line is overlapped with the center line of cylindrical body；The slot includes circular through hole and the square through hole for being symmetrically set in circular through hole two sides,
The center line of the circular through hole is overlapped with the center line of cylindrical body, and the conical surface groove is superposed with the circular through hole,
The square through hole is superposed with the locating slot.
Beneficial effect
Compared with prior art, the utility model measurement valve retainer circular runout auxiliary mould beneficial effect such as
Under: in the technical solution of the utility model, it is provided with end bridging structure and axial limiting is carried out to positioning core axle, support positioning core axle,
Prevent that the size of positioning core axle is too short and is not suitable for the excessive valve guide bushing of depth, it is same using the shorter positioning core axle of size
It can be used for measuring work, improve the adaptability of positioning core axle, the measurement for meeting the valve port valve retainer of different model is wanted
It asks；It can guarantee that dial gauge rotation is steady, effective measurement data is accurate.
Detailed description of the invention
Fig. 1 is the instrumentation plan of valve retainer radial pulsation measurement in the prior art；
Fig. 2 is the positioning core axle of the utility model and the structural schematic diagram of end bridging structure cooperation；
Fig. 3 is the structural front view that rod piece is pressed into the utility model；
Fig. 4 is the structure partial cross-sectional view that bar is sucked out in the utility model；
Fig. 5 is the structural schematic diagram that bar is pulled out in the utility model；
Fig. 6 is the structural schematic diagram for pulling out bar in the utility model and pulling out end bridging structure；
Fig. 7 is to pull out bar in the utility model and hold the structural schematic diagram of bridging structure cooperation；
Fig. 8 is the structural front view of the utility model middle-end bridging structure；
Fig. 9 is the structure sectional view in the direction A-A in Fig. 8；
Figure 10 is the structure left view of the utility model middle-end bridging structure；
Figure 11 is the structure sectional view in the direction B-B in Figure 10；
Figure 12 is the structure top view of the utility model middle-end bridging structure；
Figure 13 is the structural perspective of the utility model middle-end bridging structure；
Figure 14 is the assembling schematic diagram that dial gauge is connect with positioning core axle in the utility model.
In figure: 1, holding bridging structure；11, conical surface groove；12, slot is cut；13, locating slot；14, slot；15, swollen of cylinder；2,
Valve guide bushing；3, positioning core axle；4, valve retainer；5, dial gauge；6, steel ball；7, ramming stem；71, pressure head；8, bar is pulled out；81,
Guiding axis；82, fixture block；9, bar is sucked out；91, mounting hole.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Specific embodiment of the present utility model is such that as shown in Fig. 2-14, a kind of measurement valve retainer is radial to jump
Dynamic method, method includes the following steps: firstly, one end bridging structure 1 for capableing of flexible deformation of setting is mounted on valve and leads
In pipe 2；Then, one positioning core axle 3 of setting is inserted into valve guide bushing 2 until limiting with end 1 phase of bridging structure, the diameter of positioning core axle 3
Less than the internal diameter of valve guide bushing 2, diameter is more smaller than the inner hole of valve guide bushing 2, and valve guide bushing 2 is able to maintain vertical and its rotation
Center line is overlapped with the center line of valve guide bushing 2, valve retainer 4；Finally, dial gauge 5 is installed in the upper end of positioning core axle 3, and
The rotation of dial gauge 5 is operated to measure 4 radial run-out of valve retainer.
In the method for this measurement valve retainer circular runout, end bridging structure 1 carries out axial limiting, support to positioning core axle 3
Positioning core axle 3 prevents the size of positioning core axle 3 too short and is not suitable for the excessive valve guide bushing 2 of depth, shorter using size
Positioning core axle 3 can be equally used for measurement work, improves the adaptability of positioning core axle 3, meets the valve port gas of different model
The measurement request of seat ring 4；Dial gauge 5 is fixed on the upper end of positioning core axle 3, makes the measuring head of dial gauge 5 and valve retainer 4
Inner conical surface at 4 orifice chamfer of inner wall or valve retainer abuts against, and rotation dial gauge 5 can be changed by the reading of dial gauge 5
The radial run-out amount for judging valve retainer 4, judges whether valve retainer 4 meets the requirements.In this measurement method, it is ensured that hundred
Table 5 is divided to rotate steadily, measurement data is accurate, and is suitble to the radial run-out of detection different model valve retainer 4, adaptability
It is good.
In the present embodiment, end bridging structure 1 is cylindrical body compatible with valve guide bushing 2, and the lower open of cylindrical body is set
There is the counterbore of axially extending setting, the two sides of cylindrical body lower part, which are equipped with, cuts slot 12；Setting steel ball 6 is to locating core in conical surface groove 11
Axis 3 is supported positioning, guarantees that positioning core axle 3 can rotate freely, reduces frictional force, and in 3 bottom end of positioning core axle
Groove compatible with steel ball 6 is set at the heart, guarantees 3 smooth rotation of positioning core axle, under the top setting of cylindrical body and steel ball 6
The compatible conical surface groove 11 in portion, conical surface groove 11 position steel ball 6, guarantee steel ball 6 and positioning core axle 3, end bridging structure 1
Cylindrical body center line be overlapped.It is swollen 15, cylinder that can open or shrink outside positioned at the column structure for cutting 12 two sides of slot, it will
Bridging structure 1 is held to be pressed into valve guide bushing 2, holding to open outside swollen 15, cylinder of bridging structure 1 makes that bridging structure 1 is held to be fixed on valve guide bushing 2
It is interior.
In the present embodiment, this measurement method further includes that setting tool component will hold 1 position-adjustable of bridging structure to be mounted on valve
In conduit 2.It include that a ramming stem 7 adaptable with the hole wall of valve guide bushing 2 is set by the method for holding the installation of 1 position-adjustable of bridging structure
Bridging structure 1 will be held to be pressed into valve guide bushing 2 and be arranged a pull-out bar 8 adaptable with the hole wall of valve guide bushing 2 for end bridging structure 1
It is pulled out out of valve guide bushing 2.By the position of ramming stem 7, the pull-out adjustable end bridging structure 1 of bar 8, to be adapted to different length
Positioning core axle 3.
In the present embodiment, ramming stem 7 smoothly will can hold bridging structure 1 to be pressed into some position in valve guide bushing 2；It draws
Rod 8 can fast, easily pull out end bridging structure 1 out of valve guide bushing 2, thus the quickly installation of adjustment end bridging structure 1
Position.
In the present embodiment, the bottom end of ramming stem 7 is equipped with pressure head 71, and the cylinder top end of end bridging structure 1 is equipped with and pressure head
71 compatible locating slots 13 are cooperated by locating slot 13 and pressure head 71, are overlapped ramming stem 7 with the center line of bridging structure 1 is held,
It prevents the force of 7 opposite end bridging structure 1 of ramming stem from deflection occur, end bridging structure 1 is avoided to scratch valve guide bushing 2；Pull out the bottom end of bar 8
Equipped with the guiding axis 81 for extending downwardly setting, the two sides of 81 bottom end of guiding axis, which are vertically protruded, to be equipped with and can mutually fit with the hole wall of counterbore
The top of the fixture block 82 answered, cylindrical body is equipped with slot 14 compatible with fixture block 82 and guiding axis 81, pulls out leading for 8 bottom end of bar
Slot 14 can be passed through to axis 81 and fixture block 82, and can rotate and bridging structure 1 is held mutually axially to limit, is i.e. fixture block 82 and counterbore
Top surface mutually limit, so as to which bridging structure 1 will be held to pull out to the aperture direction of valve guide bushing 2, realize adjustment end bridging structure 1
Position.
A kind of auxiliary mould for realizing measurement valve retainer circular runout, including end bridging structure 1, end bridging structure 1 are and gas
The door compatible cylindrical body of conduit 2, the lower open counterbore equipped with axially extending setting of cylindrical body, the two sides of cylindrical body lower part
Equipped with slot 12 is cut, end bridging structure 1 is elastomer, is that the cylinder that can open or shrink outside is swollen positioned at the column structure for cutting 12 two sides of slot
Piece 15 has certain elasticity since swollen 15 thickness of cylinder is small, and cylinder is swollen, and pieces 15 outer diameter is greater than the circle of end bridging structure 1
The diameter of cylinder, the top for cutting slot 12 is semi-circular hole structure, makes swollen 15, cylinder and column structure rounding off, cuts slot 12
Bottom end is bell-mouth structure of air, prevents burr.
The top of cylindrical body is equipped with the steel ball 6 of support positioning core axle 3, and the top of cylindrical body is equipped with the lower part phase with steel ball 6
The conical surface groove 11 of adaptation, conical surface groove 11 position steel ball 6, guarantee steel ball 6 and positioning core axle 3, the circle for holding bridging structure 1
The center line of cylinder is overlapped.
In the present embodiment, auxiliary mould further includes the ramming stem 7 adaptable with the hole wall of valve guide bushing 2 and pulls out bar 8,
The bottom end of ramming stem 7 is equipped with pressure head 71, and the cylinder top end of end bridging structure 1 is equipped with locating slot 13 compatible with pressure head 71；It draws
The bottom end of rod 8, which is equipped with, extends downwardly the guiding axis 81 of setting, the two sides of 81 bottom end of guiding axis vertically protrude be equipped with can with sink
The top of the adaptable fixture block 82 of the hole wall in hole, cylindrical body is equipped with slot 14 compatible with fixture block 82 and guiding axis 81.It draws
The guiding axis 81 and fixture block 82 of 8 bottom end of rod can pass through slot 14, and can rotate and bridging structure 1 is held mutually axially to limit,
That is fixture block 82 and the top surface of counterbore mutually limits, and so as to which bridging structure 1 will be held to pull out to the aperture direction of valve guide bushing 2, realizes
The position of adjustment end bridging structure 1.
In the present embodiment, pressure head 71 is the column structure being vertically arranged, and locating slot 13 is compatible with column structure
Circular through hole, 71 top of pressure head of ramming stem 7 are the step surface adaptable with the cylindrical body top surface of end bridging structure 1, circular through hole
There is guiding role to pressure head 71, guarantee that the step surface of ramming stem 7 is steadily contacted with the cylindrical body top surface of end bridging structure 1, prevent
Bridging structure 1 will be held to press hole wall that is inclined and scratching valve guide bushing 2；The center line of conical surface groove 11 is overlapped with the center line of cylindrical body.
Slot 14 includes circular through hole and is symmetrically set in the square through holes of circular through hole two sides, the center line of circular through hole and cylindrical body
Center line is overlapped, and conical surface groove 11 is superposed with circular through hole, the circular through hole of slot 14 and the circular through hole of locating slot 13
For same structure, conical surface groove 11 is the chamfering structure at the aperture of circular through hole, and square through hole is superimposed with locating slot 13
Setting.
It in the present embodiment, further include the suction bar 9 that can extend into valve guide bushing 2, the bottom end that bar 9 is sucked out is equipped with installation
Hole 91 is inlaid with magnet arrangement in mounting hole 91, and bar 9, which is sucked out, can be sucked out valve guide bushing 2 for steel ball.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art, In
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is practical new that these all will not influence this
The effect and patent practicability that type is implemented.
Claims (5)
1. a kind of auxiliary mould for measuring valve retainer circular runout, which is characterized in that including holding bridging structure (1), the end is stifled
Structure (1) is compatible cylindrical body, lower open the sinking equipped with axially extending setting of the cylindrical body with valve guide bushing (2)
Hole, the two sides of the cylindrical body lower part, which are equipped with, cuts slot (12)；The top of the cylindrical body is equipped with the steel ball of support positioning core axle (3)
(6), the top of the cylindrical body is equipped with conical surface groove (11) compatible with the lower part of the steel ball (6).
2. a kind of auxiliary mould for measuring valve retainer circular runout according to claim 1, which is characterized in that the end
Bridging structure (1) is elastomer, is swollen, cylinder that can open or shrink outside positioned at the column structure for cutting slot (12) two sides
(15)。
3. a kind of auxiliary mould for measuring valve retainer circular runout according to claim 2, which is characterized in that described auxiliary
Assistant engineer's dress further includes the ramming stem (7) being adapted with the hole wall of valve guide bushing (2) and pulls out bar (8), the bottom of the ramming stem (7)
End is equipped with pressure head (71), and the cylinder top end of the end bridging structure (1) is equipped with the pressure head (71) compatible locating slot
(13)；The bottom end for pulling out bar (8) is equipped with the guiding axis (81) for extending downwardly setting, the two sides of guiding axis (81) bottom end
Vertical protrusion is equipped with the fixture block (82) that can be adapted with the hole wall of the counterbore, and the top of the cylindrical body is equipped with and the card
Block (82) and the compatible slot (14) of guiding axis (81).
4. a kind of auxiliary mould for measuring valve retainer circular runout according to claim 3, which is characterized in that the drawing
The guiding axis (81) and fixture block (82) of rod (8) bottom end can pass through the slot (14), and can rotate and the end bridging
Structure (1) mutually axially limits.
5. a kind of auxiliary mould for measuring valve retainer circular runout according to claim 3, which is characterized in that the pressure
Head (71) is column structure, and the locating slot (13) is circular through hole；The center line of the conical surface groove (11) and cylindrical body
Center line is overlapped；The slot (14) includes circular through hole and the square through hole for being symmetrically set in circular through hole two sides, the circle
The center line of through-hole is overlapped with the center line of cylindrical body, and the conical surface groove (11) is superposed with the circular through hole, described
Square through hole is superposed with the locating slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636025.9U CN209570106U (en) | 2019-05-06 | 2019-05-06 | A kind of auxiliary mould measuring valve retainer circular runout |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636025.9U CN209570106U (en) | 2019-05-06 | 2019-05-06 | A kind of auxiliary mould measuring valve retainer circular runout |
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| Publication Number | Publication Date |
|---|---|
| CN209570106U true CN209570106U (en) | 2019-11-01 |
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ID=68336181
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920636025.9U Active CN209570106U (en) | 2019-05-06 | 2019-05-06 | A kind of auxiliary mould measuring valve retainer circular runout |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990682A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of method and auxiliary mould measuring valve retainer circular runout |
-
2019
- 2019-05-06 CN CN201920636025.9U patent/CN209570106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990682A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of method and auxiliary mould measuring valve retainer circular runout |
| CN109990682B (en) * | 2019-05-06 | 2024-02-09 | 广西玉柴机器股份有限公司 | Method for measuring radial runout of valve seat ring and auxiliary tool |
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