CN204988067U - Plunger chute measuring mechanism - Google Patents
Plunger chute measuring mechanism Download PDFInfo
- Publication number
- CN204988067U CN204988067U CN201520256301.0U CN201520256301U CN204988067U CN 204988067 U CN204988067 U CN 204988067U CN 201520256301 U CN201520256301 U CN 201520256301U CN 204988067 U CN204988067 U CN 204988067U
- Authority
- CN
- China
- Prior art keywords
- pull bar
- spring
- hole
- tie rod
- meter
- 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.)
- Expired - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a plunger chute measuring mechanism, the on -line screen storage device comprises a base, cloudy foot block and positive foot block, the meter, the gauge stand, the pull rod, the elastic mechanism, the measuring stick, pull rod apron and location structure, be equipped with meter locating hole and fixed orifices on the gauge stand, the pull rod hole is the two -stage hole, second grade pull rod hole is connected with the pull rod, pull rod one end and measurement contact connection, be equipped with the measuring aperture on the other end, the elastic mechanism includes first spring and second spring, the coefficient of elasticity of second spring is greater than first spring, the measuring stick lower extreme is equipped with the conical surface, location structure includes spacing arch of pull rod and the spacing arch of apron. Compared with the prior art, this plunger chute measuring mechanism's measuring head lower extreme the measurement process all the time with chute sideline contact, and through the rotatory measuring point that slowly is close to to pinpoint on the measuring point according to positioning mechanism, therefore measurement accuracy is high, simultaneously, only need rotatory this move alright accomplish the location of measuring position and triggering of meter, easy and simple to handle, the work efficiency height.
Description
Technical field
The utility model relates to the plunger manufacturing technology field of injection pump, is specifically related to a kind of plunger skewed slot measuring mechanism.
Background technology
Ram pump is the core parts controlling fuel feeding moment and fuel delivery in diesel engine fuel injection system, ram pump produces charge oil pressure and oil suction pressure by the motion of plunger in plunger bushing, therefore, plunger per pass manufacturing procedure and detect and all need to ensure certain precision.Plunger skewed slot is the important feature controlling fuel injector oil injection time, because plunger skewed slot exists certain mismachining tolerance, the skewed slot measuring mechanism of prior art is when measuring, it is after plunger is fixing, the sounding rod of measuring mechanism is manually depressed into skewed slot sideline, and then starts automatic measurement mechanism measurement, complex operation, and general measure point is on the skewed slot sideline maximum with oil injection time relationship degree, the sounding rod of prior art is easily because the raised points measured on skewed slot inwall causes measuring accuracy low.
Utility model content
The purpose of this utility model is to overcome problems of the prior art, the plunger skewed slot measuring mechanism providing a kind of measuring accuracy high, easy and simple to handle.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of plunger skewed slot measuring mechanism, and comprise the cloudy dead head on base, base and positive dead head, plunger is fixed between cloudy dead head and positive dead head, also comprises:
Meter, comprises dial plate and measures contact;
Gauge stand, is connected with base, which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Pull bar, be arranged in the tie rod hole of positive dead head, tie rod hole is two-stage tie rod hole, one section near meter is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar transition fit, pull bar is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar is connected with measurement contact, the other end of pull bar is provided with the measured hole perpendicular to pull bar axis, pull bar other end end face is provided with the measurement fixed orifice be communicated with measured hole, measures fixed orifice perpendicular to measured hole;
Elastic mechanism, comprise and be located at the first spring in one-level tie rod hole and the second spring, the end face of the first spring is connected with the side of spring retainer boss, the side of spring retainer boss is the side near meter, the end face of the second spring is connected with the opposite side of spring retainer boss, and the elasticity coefficient of the second spring is greater than the elasticity coefficient of the first spring;
Sounding rod, its lower end is provided with and contacts with skewed slot sideline the conical surface connected, and sounding rod is arranged in measured hole, and is fixed by the first gib screw be threaded with measurement fixed orifice;
Pull bar cover plate, is covered on one-level tie rod hole aperture;
Location structure, comprise the pull bar spacing preiection be located on pull bar and the cover plate spacing preiection be located on pull bar cover plate, pull bar spacing preiection is positioned at outside tie rod hole, and when sounding rod is positioned at measuring position, pull bar spacing preiection contacts with cover plate spacing preiection.
Further, pull bar is also provided with stretching boss, stretching boss is positioned at outside tie rod hole, and the outside surface of stretching boss is provided with anti-skid design.
Compared with prior art, the measuring head lower end of plunger skewed slot measuring mechanism of the present utility model contacts with skewed slot sideline all the time in measuring process, and by rotating slowly near measurement point, and be accurately positioned on measurement point according to detent mechanism, therefore measuring accuracy is high, and meanwhile, only need rotate This move just can complete the location of measuring position and the triggering of meter, easy and simple to handle, work efficiency is high; This measuring mechanism also can be made to be applicable to various plunger skewed slot by regulating measuring head to measure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, base, 2, cloudy dead head, 3, plunger, 4, positive dead head, 5, gauge stand, 6, sounding rod, 7, pull bar, 71, pull bar spacing preiection, 72, stretching boss, 8, pull bar cover plate, 81, cover plate spacing preiection, 9, meter, 10, the first spring, 11, the second spring, the 12, first gib screw, the 13, second gib screw.
Embodiment
As shown in Figure 1, a kind of plunger skewed slot measuring mechanism of the present utility model, comprise the cloudy dead head 2 on base 1, base 1 and positive dead head 4, plunger 3 is fixed between cloudy dead head 2 and positive dead head 4, also comprises:
Meter 9, comprises dial plate and measures contact;
Gauge stand 5, be connected with base 1, which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole, measure contact through meter pilot hole, second gib screw 13 is pressed on by meter fixed orifice to be measured to position on contact, measures the mobilizable contact of contact end and stretches out outside meter pilot hole;
Pull bar 7, be arranged in the tie rod hole of positive dead head 4, tie rod hole is two-stage tie rod hole, one section near meter 9 is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar 7 transition fit, pull bar 7 is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar 7 is connected with measurement contact, the other end of pull bar 7 is provided with the measured hole perpendicular to pull bar 7 axis, pull bar 7 other end end face is provided with the measurement fixed orifice be communicated with measured hole, measures fixed orifice perpendicular to measured hole;
Elastic mechanism, comprise the first spring 10 and the second spring 11 be located in one-level tie rod hole, the end face of the first spring 10 is connected with the side of spring retainer boss, the side of spring retainer boss is the side near meter 9, the end face of the second spring 11 is connected with the opposite side of spring retainer boss, and the elasticity coefficient of the second spring 11 is greater than the elasticity coefficient of the first spring 10;
Sounding rod 6, its lower end is provided with and contacts with skewed slot sideline the conical surface connected, and sounding rod 6 is arranged in measured hole, and is fixed by the first gib screw 12 be threaded with measurement fixed orifice;
Pull bar cover plate 8, is covered on one-level tie rod hole aperture;
Location structure, comprise the pull bar spacing preiection 71 be located on pull bar 7 and the cover plate spacing preiection 81 be located on pull bar cover plate 8, pull bar spacing preiection 71 is positioned at outside tie rod hole, and when sounding rod 6 is positioned at measuring position, pull bar spacing preiection 71 contacts with cover plate spacing preiection 81.
A kind of plunger skewed slot measuring mechanism of the present utility model before operation, length below measured hole can be stretched out according to plunger 3 exemplar adjustment sounding rod 6, to ensure that the sounding rod 6 lower end conical surface is connected with plunger 3 skewed slot, when measuring, only need rotating tension bar 7, because plunger 3 is fixed, elastic mechanism drives sounding rod 6 lower end compress skewed slot sideline and rotate along it, pull bar 7 is under skewed slot sideline and elastic mechanism effect, produce displacement and feed back to be connected with its one end and measure contact, when turning to default measuring position, location structure restriction pull bar 7 rotates further, just corresponding side size or tolerance value can be read by the meter 9 of this thing, therefore, the measuring head lower end of this plunger skewed slot measuring mechanism contacts with skewed slot sideline all the time in measuring process, and by rotating slowly near measurement point, and be accurately positioned on measurement point according to detent mechanism, therefore measuring accuracy is high, and meanwhile, only need rotate This move just can complete the location of measuring position and the triggering of meter 9, easy and simple to handle, work efficiency is high, this measuring mechanism also can be made to be applicable to various plunger skewed slot by regulating measuring head to measure.
Further, pull pull bar 7 for the ease of rotating, pull bar 7 is also provided with stretching boss 72, and stretching boss 72 is positioned at outside tie rod hole, and the outside surface of stretching boss 72 is provided with anti-skid design.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (2)
1. a plunger skewed slot measuring mechanism, comprise the cloudy dead head (2) on base (1), base (1) and positive dead head (4), plunger (3) is fixed between cloudy dead head (2) and positive dead head (4), it is characterized in that, also comprise:
Meter (9), comprises dial plate and measures contact;
Gauge stand (5), is connected with described base (1), which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Pull bar (7), be arranged in the tie rod hole of positive dead head (4), described tie rod hole is two-stage tie rod hole, one section near meter (9) is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar (7) transition fit, pull bar (7) is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar (7) is connected with described measurement contact, the other end of pull bar (7) is provided with the measured hole perpendicular to pull bar (7) axis, pull bar (7) other end end face is provided with the measurement fixed orifice be communicated with measured hole, measure fixed orifice perpendicular to measured hole,
Elastic mechanism, comprise and be located at the first spring (10) in one-level tie rod hole and the second spring (11), the end face of the first spring (10) is connected with the side of described spring retainer boss, the side of described spring retainer boss is the side near meter (9), the end face of the second spring (11) is connected with the opposite side of described spring retainer boss, and the elasticity coefficient of described second spring (11) is greater than the elasticity coefficient of the first spring (10);
Sounding rod (6), its lower end is provided with and contacts with skewed slot sideline the conical surface connected, and sounding rod (6) is arranged in described measured hole, and is fixed by the first gib screw (12) be threaded with measurement fixed orifice;
Pull bar cover plate (8), is covered on described one-level tie rod hole aperture;
Location structure, comprise the pull bar spacing preiection (71) be located on pull bar (7) and the cover plate spacing preiection (81) be located on pull bar cover plate (8), pull bar spacing preiection (71) is positioned at outside tie rod hole, when sounding rod (6) is positioned at measuring position, pull bar spacing preiection (71) contacts with cover plate spacing preiection (81).
2. a kind of plunger skewed slot measuring mechanism according to claim 1, it is characterized in that: described pull bar (7) is also provided with stretching boss (72), stretching boss (72) is positioned at outside tie rod hole, and the outside surface of stretching boss (72) is provided with anti-skid design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256301.0U CN204988067U (en) | 2015-04-24 | 2015-04-24 | Plunger chute measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256301.0U CN204988067U (en) | 2015-04-24 | 2015-04-24 | Plunger chute measuring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988067U true CN204988067U (en) | 2016-01-20 |
Family
ID=55122427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256301.0U Expired - Fee Related CN204988067U (en) | 2015-04-24 | 2015-04-24 | Plunger chute measuring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154997A (en) * | 2020-06-16 | 2021-07-23 | 昆山合力泰汽车检具有限公司 | Automobile left rear side triangular window circumference checking fixture |
-
2015
- 2015-04-24 CN CN201520256301.0U patent/CN204988067U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154997A (en) * | 2020-06-16 | 2021-07-23 | 昆山合力泰汽车检具有限公司 | Automobile left rear side triangular window circumference checking fixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202747990U (en) | Apparatus for measuring solenoid valve core stroke of oil metering unit | |
| CN203464861U (en) | Hole position detecting device | |
| CN204988067U (en) | Plunger chute measuring mechanism | |
| CN105334106A (en) | Extruder used for battery detection | |
| CN202470976U (en) | Measuring tool for measuring inner hole depth of three-pin-axis fork | |
| CN204831233U (en) | Flexible measuring device of plunger chute | |
| CN203224784U (en) | Probe displacement controlling mechanism for testing probe calibration wind tunnel | |
| CN203287273U (en) | Coaxial pressure approximant hardness detector | |
| CN204585032U (en) | The flexible detent mechanism of a kind of plunger | |
| CN204988224U (en) | Utensil is examined apart from a rapid survey to plunger chute | |
| CN201902677U (en) | Gradient slide-rail type sensor for valve openings of needle-shaped throttle valve | |
| CN204269066U (en) | Tappet thickness electrical measurement measuring instrument | |
| CN202928501U (en) | Piston stop port measuring mechanism | |
| CN110285737A (en) | A kind of diesel engine single body high-pressure oil pump ram travel measuring device | |
| CN207351337U (en) | Digit display dial gauge | |
| CN210089555U (en) | Plunger stroke measuring device for single high-pressure oil pump of diesel engine | |
| CN203798334U (en) | Upper measuring mechanism for plunger steel ball automatic measurement riveting machine | |
| CN210294344U (en) | Precision chip test probe device | |
| CN202030997U (en) | Track slab tensioning anchor device | |
| CN208091340U (en) | Diaphragm type elasticity measurement mechanism | |
| CN202895642U (en) | Electronic ruler device for injection machine | |
| CN202370722U (en) | Device for measuring oil injection angle of diesel engine | |
| CN204585031U (en) | A kind of flexible detent mechanism detected for plunger skewed slot | |
| CN101139077A (en) | Automatic detection device of fuel charger | |
| CN205374173U (en) | Pulling -force testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |