CN202938749U - Gauge for measuring lift of coupling part of common-rail oil injector - Google Patents

Gauge for measuring lift of coupling part of common-rail oil injector Download PDF

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Publication number
CN202938749U
CN202938749U CN 201220650978 CN201220650978U CN202938749U CN 202938749 U CN202938749 U CN 202938749U CN 201220650978 CN201220650978 CN 201220650978 CN 201220650978 U CN201220650978 U CN 201220650978U CN 202938749 U CN202938749 U CN 202938749U
Authority
CN
China
Prior art keywords
seat
gauge
measuring
cubing
air plug
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
Application number
CN 201220650978
Other languages
Chinese (zh)
Inventor
张涛
俞建达
张建刚
汪祥本
陆雯莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Group Corp
Original Assignee
Wuxi Fuel Pump and Nozzle Research Institute of China FAW Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Fuel Pump and Nozzle Research Institute of China FAW Corp filed Critical Wuxi Fuel Pump and Nozzle Research Institute of China FAW Corp
Priority to CN 201220650978 priority Critical patent/CN202938749U/en
Application granted granted Critical
Publication of CN202938749U publication Critical patent/CN202938749U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a measuring gauge and in particular to a gauge for measuring the lift of a coupling part of a common-rail oil injector, belonging to the technical field of precision measurement. The gauge comprises a measuring meter, a gauge seat, a spring, a measuring mandrel, a measuring mandrel seat, an inner hexagon screw and a C-shaped ring. The measuring mandrel includes a shaft head and a shaft rod, and the lower end of the shaft head is connected with the shaft rod. The shaft rod is slidingly mounted in the measuring mandrel seat and the shaft head is clamped at the upper end of the measuring mandrel seat. The center of the gauge seat is provided with a circular hole penetrating through the gauge seat vertically, and the upper end of the measuring mandrel seat is in threaded connection with the lower end of the circular hole of the gauge seat. The C-shaped ring is arranged between a measuring head of the measuring meter and the gauge seat, and the inner hexagon screw is in threaded connection with the side face of the gauge seat. The gauge for measuring the lift of a coupling part of a common-rail oil injector is simple, compact and reasonable in structure, low in manufacturing cost and convenient to use, can be applied to the detection with different precision requirements among different coupling parts by replacing different measuring mandrels and measuring meters, and has a wide range of application.

Description

Common-rail injector couple lift is measured cubing
Technical field
The utility model relates to a kind of measurement cubing, and especially a kind of common-rail injector couple lift is measured cubing, belongs to the Technology of Precision Measurement field.
Background technology
Electric-controlled co-rail fuel injector parts are many, each other assembly precision require high, couple parts particularly, it cooperatively interacts needs the motion of certain limit lift between part.This lift size can directly affect the fuel injector jet performance, and then has influence on the performance of engine.How to guarantee and detect motion lift after couple parts assemblings, quality and the jet performance of injector assembly had great significance.
Similarly cubing has detection device for measuring depth of oil injector mounting hole (application number: 201020510130.7), cover the degree of depth in the hole that fuel injector is installed for detection of cylinder of diesel engine; A kind of protrusion height of oil sprayer detection control apparatus and method (application number: 200810129938.8), for detection of atomizer stretching out highly in the cylinder cover for diesel engine bottom surface.These patents are mainly for the dimensional measurement of injector assembly when cylinder of diesel engine covers installation, and also are not found for the cubing of dimensional measurement between the common-rail injector inner components.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of common-rail injector couple lift to measure cubing, can be used in the detection of the motion lift of common-rail injector couple parts, by changing different measuring heads and meter tool, can be applicable between different couple parts, the detection of different accuracy requirement, enlarged usable range, and used efficient and convenient.
The technical scheme that provides according to the utility model, common-rail injector couple lift is measured cubing and is comprised meter tool, cubing seat, spring, air plug gauge, air plug gauge seat, socket head cap screw and C word circle, the gauge head of meter tool stretches in cubing seat circular hole and with spindle nose and contacts, it is characterized in that: air plug gauge comprises spindle nose and axostylus axostyle, spindle nose lower end connection axostylus axostyle.Axostylus axostyle is slidably mounted in the air plug gauge seat, and spindle nose is installed on air plug gauge seat upper end.Cubing seat center is provided with the circular hole of up/down perforation, and air plug gauge seat upper end is threaded connection cubing seat circular hole lower end.Be provided with C word circle between the gauge head of described meter tool and cubing seat, socket head cap screw is threaded connection in cubing seat side.Be provided with the endoporus step in cubing seat circular hole, C word circle is positioned at endoporus step upper end.Spring is arranged in cubing seat circular hole, and the spring upper end contacts with the endoporus step, and the spring lower end contacts with the spindle nose upper surface.
The verticality of described air plug gauge up and down both ends of the surface and axis is less than 0.02mm.
The verticality of described air plug gauge seat up and down both ends of the surface and axis is less than 0.02mm.
Described cubing seat lower surface and axis verticality are less than 0.02mm.
The front end of described socket head cap screw is near C word circle.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; Low cost of manufacture; Convenient to use; By changing different air plug gauges and meter tool, can be applicable between different couple parts, the detection of different accuracy requirement, usable range is extensive.
Description of drawings
Fig. 1,2 is the utility model structural representation.
Fig. 3 is AA cut-open view in Fig. 1.
Description of reference numerals: 1-meter tool, 2-cubing seat, 3-spring, 4-air plug gauge, 5-air plug gauge seat, 6-socket head cap screw, 7-C word circle, 8-spindle nose, 9-axostylus axostyle, 10-endoporus step.
Embodiment
Following the utility model is further described in connection with the embodiment in accompanying drawing:
As shown in Fig. 1 ~ 3, the utility model mainly comprises meter tool 1, cubing seat 2, spring 3, air plug gauge 4, air plug gauge seat 5, socket head cap screw 6 and C word circle 7.
Air plug gauge 4 comprises spindle nose 8 and axostylus axostyle 9, spindle nose 8 lower ends connection axostylus axostyles 9.Axostylus axostyle 9 is slidably mounted in air plug gauge seat 5, and spindle nose 8 is installed on air plug gauge seat 5 upper ends.
Cubing seat 2 centers are provided with the circular hole of up/down perforation, and air plug gauge seat 5 upper ends are threaded connection cubing seat 2 circular hole lower ends.The gauge head of meter tool 1 stretches in cubing seat 2 circular holes and with spindle nose 8 and contacts.
Be provided with C word circle 7 between the gauge head of described meter tool 1 and cubing seat 2.Socket head cap screw 6 is threaded connection in cubing seat 2 sides, and the front end of socket head cap screw 6 is near C word circle 7.
Be provided with endoporus step 10 in cubing seat 2 circular holes, C word circle 7 is positioned at endoporus step 10 upper ends.Spring 3 is arranged in cubing seat 2 circular holes, and spring 3 upper ends contact with endoporus step 10, and spring 3 lower ends contact with spindle nose 8 upper surfaces.
The verticality of described air plug gauge 4 and air plug gauge seat both ends of the surface and axis Shang Xia 5 is less than 0.02mm.
Described cubing seat 2 lower surfaces and axis verticality are less than 0.02mm.
The utility model first is placed on air plug gauge seat 5 on standard gauge block when measuring, and makes axostylus axostyle 9 lower surfaces and air plug gauge seat 5 lower surfaces fair, adjusts meter tool 1 pointed zero-bit, the record standard value.Then air plug gauge seat 5 is placed on the part to be measured of couple parts, holding cubing seat 2 compresses downwards, at this moment the reading of meter tool 1 is measured value and standard value sum, should and value deduct standard value, what be part to be measured and adjacent parts coordinates the lift size.
The utility model can by changing air plug gauge 4, air plug gauge seat 5, detect the cooperation lift size of different structure couple parts; By changing meter tool 1, can be applicable to the different measuring accuracy requirement.
The utility model is when measuring the couple parts and coordinate the lift size, and convenient and reliable, accuracy is high, have simultaneously simple in structure, easy to operate, the advantage of low cost of manufacture.

Claims (5)

1. a common-rail injector couple lift is measured cubing, comprise meter tool (1), cubing seat (2), spring (3), air plug gauge (4), air plug gauge seat (5), socket head cap screw (6) and C word circle (7), the gauge head of meter tool (1) stretches in cubing seat (2) circular hole and with spindle nose (8) and contacts, it is characterized in that: air plug gauge (4) comprises spindle nose (8) and axostylus axostyle (9), spindle nose (8) lower end connection axostylus axostyle (9); Axostylus axostyle (9) is slidably mounted in air plug gauge seat (5), and spindle nose (8) is installed on air plug gauge seat (5) upper end; Cubing seat (2) center is provided with the circular hole of up/down perforation, and air plug gauge seat (5) upper end is threaded connection cubing seat (2) circular hole lower end; Be provided with C word circle (7) between the gauge head of described meter tool (1) and cubing seat (2), socket head cap screw (6) is threaded connection in cubing seat (2) side; Be provided with endoporus step (10) in cubing seat (2) circular hole, C word circle (7) is positioned at endoporus step (10) upper end; Spring (3) is arranged in cubing seat (2) circular hole, and spring (3) upper end contacts with endoporus step (10), and spring (3) lower end contacts with spindle nose (8) upper surface.
2. common-rail injector couple lift as claimed in claim 1 is measured cubing, it is characterized in that: the verticality of described air plug gauge (4) up and down both ends of the surface and axis is less than 0.02mm.
3. common-rail injector couple lift as claimed in claim 1 is measured cubing, it is characterized in that: the verticality of described air plug gauge seat (5) up and down both ends of the surface and axis is less than 0.02mm.
4. common-rail injector couple lift as claimed in claim 1 is measured cubing, and it is characterized in that: described cubing seat (2) lower surface and axis verticality are less than 0.02mm.
5. common-rail injector couple lift as claimed in claim 1 is measured cubing, and it is characterized in that: the front end of described socket head cap screw (6) is near C word circle (7).
CN 201220650978 2012-11-30 2012-11-30 Gauge for measuring lift of coupling part of common-rail oil injector Expired - Fee Related CN202938749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220650978 CN202938749U (en) 2012-11-30 2012-11-30 Gauge for measuring lift of coupling part of common-rail oil injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220650978 CN202938749U (en) 2012-11-30 2012-11-30 Gauge for measuring lift of coupling part of common-rail oil injector

Publications (1)

Publication Number Publication Date
CN202938749U true CN202938749U (en) 2013-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220650978 Expired - Fee Related CN202938749U (en) 2012-11-30 2012-11-30 Gauge for measuring lift of coupling part of common-rail oil injector

Country Status (1)

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CN (1) CN202938749U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743322A (en) * 2013-12-10 2014-04-23 东风朝阳朝柴动力有限公司 Apparatus and method for detecting depth from fuel injector inclined plane taper hole to cylinder cover bottom surface
CN105674847A (en) * 2016-04-18 2016-06-15 上海星融汽车科技有限公司 Novel measuring tool detection probe
CN108168401A (en) * 2017-11-22 2018-06-15 中国北方发动机研究所(天津) A kind of protrusion height of oil sprayer measuring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743322A (en) * 2013-12-10 2014-04-23 东风朝阳朝柴动力有限公司 Apparatus and method for detecting depth from fuel injector inclined plane taper hole to cylinder cover bottom surface
CN105674847A (en) * 2016-04-18 2016-06-15 上海星融汽车科技有限公司 Novel measuring tool detection probe
CN108168401A (en) * 2017-11-22 2018-06-15 中国北方发动机研究所(天津) A kind of protrusion height of oil sprayer measuring device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20170718

Address after: 214063 Jiangsu province Binhu District of Wuxi City Qian Rong Lu No. 15

Patentee after: China FAW Group Corporation

Address before: 214063 Jiangsu province Binhu District of Wuxi City Qian Rong Lu No. 15

Patentee before: Wuxi Oil Pump Nozzle Institute of First Automobile Works

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130515

Termination date: 20201130

CF01 Termination of patent right due to non-payment of annual fee