CN203534448U - A detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector - Google Patents

A detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector Download PDF

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Publication number
CN203534448U
CN203534448U CN201320685078.2U CN201320685078U CN203534448U CN 203534448 U CN203534448 U CN 203534448U CN 201320685078 U CN201320685078 U CN 201320685078U CN 203534448 U CN203534448 U CN 203534448U
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CN
China
Prior art keywords
gauge
face
measuring
distance
large end
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
CN201320685078.2U
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Chinese (zh)
Inventor
徐明明
孙永志
于艳玲
魏雷蕾
杜炳乾
张纯建
林建东
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YANTAI FAURE PRECISION MACHINERY CO Ltd
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YANTAI FAURE PRECISION MACHINERY CO Ltd
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Priority to CN201320685078.2U priority Critical patent/CN203534448U/en
Application granted granted Critical
Publication of CN203534448U publication Critical patent/CN203534448U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector. The detecting gauge is characterized by comprising a cylindrical gauge body composed of a through hole extended along an axis, a measuring shaft in clearance fit with the through hole of the gauge body, a dial indicator or a dial gauge contacting the inner end face of the measuring shaft, an opening sleeve sleeved on the measuring rod of the dial indicator or the dial gauge, and a spring the supporting rings on the two ends of which respectively press the inner end face of the measuring shaft and the inner end face of the opening sleeve, wherein the measuring rod of the dial indicator or the dial gauge, the opening sleeve, and the spring all arranged in the through hole of the gauge body and are coaxial with the gauge body. The detecting gauge has beneficial effects of simple structure, easy manipulation; shorten labor time, and greatly-increased work efficiency. When distance is measured, values can be directly read via the dial indicator or the dial gauge so as to achieve an easy measuring method. The readings may achieve accuracy of 0.01mm such that measuring precision is enhanced and errors are decreased.

Description

Be applicable to measure oil injector body large end face to the detection gauge of omoplate distance
Technical field
The utility model relates to a kind of detection gauge, is specifically related to a kind ofly be applicable to detect oil injector body large end face to the detection gauge of omoplate distance, belongs to surveying instrument field.
Background technology
Fuel injector is the very important parts that affect engine property indices and functional reliability.
Existing fuel injector, the large end face of its oil injector body is mainly measured by vernier caliper to omoplate distance, as shown in Figure 1, the end of the pit gauge of vernier caliper 13 is reached to omoplate 4 places of oil injector body 5, by reading slide calliper rule numerical value, determine that omoplate 4 is to the distance of large end face 2, in figure, L is large end face 2 to the distance of omoplate 4.
This mensuration often operates cumbersome, vernier caliper numerical value is accurate to 0.02mm, error ratio is larger, large end face 2 is to the range observation out of true of omoplate 4, can not guarantee well that the large end face 2 of oil injector body 5 is to the consistance of the distance of omoplate 4, directly affect follow-up end face grinder order crudy, while causing grinding work piece, some workpiece end faces are ground to, but some workpiece end faces are not ground at all, the flatness of the large end face 2 of oil injector body 5, roughness can not get ensureing, affect follow-up assembly quality, there is injector assembly poor sealing, not only affect the normal work of diesel engine, more can cause the performance index of engine not reach requirement.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model be to provide a kind of simple in structure, easy and simple to handle, measuring accuracy is high, error is little is applicable to measure oil injector body large end face to the detection gauge of omoplate distance.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind ofly be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, comprise: cylindrical and have along the gauge body of the through hole of Axis Extension, the measurement axle coordinating with the via clearance of aforementioned quantities regulator, opening sleeve on the sounding rod that the dial gauge contacting with the inner face of aforementioned measurement axle or clock gauge are enclosed within aforementioned dial gauge or clock gauge, and the bracing ring at two ends is pressed in respectively the spring on the inner face of measuring axle and on the inner face of opening sleeve; The sounding rod of aforementioned dial gauge or clock gauge, opening sleeve, spring are all arranged in the through hole of gauge body and are coaxial with gauge body.
Aforesaidly be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, the through hole of aforementioned quantities regulator is stepped hole.
Aforesaidly be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, aforementioned measurement axle is the multidiameter being comprised of macro-axis and little axle.The hole wall clearance fit of the outer circumference surface of aforementioned little axle and the aperture of stepped hole, macro-axis is positioned at the macropore of stepped hole.
Aforesaidly be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, aforementioned opening sleeve and gauge body are fastening by jackscrew.
Aforesaidly be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, the side opening of aforementioned measurement axle is provided with U-shaped groove, and the side opening of gauge body is provided with threaded hole.
Usefulness of the present utility model is: simple in structure, be easy to employee's operation, and shortened working time, greatly improved efficiency; Dial gauge or clock gauge are fixedly mounted on gauge body, make the termination of sounding rod be pressed on the inner face of measuring axle, when measuring distance simultaneously, can pass through dial gauge or the direct reading of clock gauge, measuring method is easy, and reading is accurate to 0.01mm, improve measuring accuracy, reduced error; By repeatedly measuring, it is more accurate to the result of omoplate distance that detection gauge of the present utility model is measured oil injector body large end face, guaranteed follow-up end face grinder order crudy, makes the flatness of oil injector body large end face, roughness good.
Accompanying drawing explanation
Fig. 1 is that prior art is used vernier caliper measurement oil injector body large end face to the schematic diagram of omoplate distance;
Fig. 2 is the assembling schematic diagram of a specific embodiment of detection gauge of the present utility model.
The implication of Reference numeral in figure: 1-vernier caliper, 2-large end face, 3-pit gauge, 4-omoplate, 5-oil injector body, 11-dial gauge or clock gauge, 12-opening sleeve, 13-jackscrew, 14-spring, 15-gauge body, 16-jackscrew, 17-macro-axis, the little axle of 18-, 19-is to table block, 20-U type groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
With reference to Fig. 2, be of the present utility modelly applicable to measure oil injector body large end face to the detection gauge of omoplate distance, comprising: gauge body 15, measure axle, dial gauge or clock gauge 11, opening sleeve 12 and spring 14, dial gauge or clock gauge 11 have sounding rod.Concrete, gauge body 15 is cylindrical, and has the through hole along Axis Extension; Sounding rod, opening sleeve 12 and the spring 14 of measuring axle, dial gauge or clock gauge 11 are all arranged in the through hole of gauge body 15, and all coaxially arrange with gauge body 15, wherein, measure axle and coordinate with the via clearance of gauge body 15; The sounding rod of dial gauge or clock gauge 11 is pressed on the inner face of measuring axle; Opening sleeve 12 is enclosed within on the sounding rod of dial gauge or clock gauge 11, and opening sleeve 12 is fixing with gauge body 15, preferably adopts jackscrew 13 fastening; The bracing ring of spring 14 one end is pressed on the inner face of measuring axle, and the bracing ring of the other end is pressed on the inner face of opening sleeve 12.
As a kind of preferred scheme, the through hole of gauge body 15 is stepped hole.
More preferably, with the measurement axle of the stepped hole clearance fit of gauge body 15 be multidiameter, this multidiameter is comprised of macro-axis 17 and little axle 18.The hole wall clearance fit of the outer circumference surface of little axle 18 and the aperture of stepped hole, 17 macropores that are positioned at stepped hole of macro-axis.
In the utility model, the side opening of measuring axle is provided with U-shaped groove 20, and the side opening of gauge body 15 is provided with threaded hole.Jackscrew 16 is through after threaded hole, and end is positioned at the U-shaped groove 20 of measuring axle, thereby will measure axle, fixes.
Detection gauge of the present utility model, in use, first use table block 19 is calibrated, be about to little cylindrical one end of table block 19 to insert in the stepped hole macropore of gauge body 15, make the stepped hole macropore one side end face good contact to the little circle end face of table block 19 and gauge body 15, now adjust the numerical value of dial gauge or clock gauge 11, the numerical value that makes dial gauge or clock gauge 11 is to the mark numerical value on table block 19; After his-and-hers watches, start to detect oil injector body large end face to the distance of omoplate, be about to oil injector body large end face amount of alignment regulator 15 stepped hole macropore and insert in macropore, oil injector body is applied to an axial thrust, guarantee oil injector body omoplate place and gauge body 15 stepped hole macropore place end face good contacts, now read the numerical value on dial gauge or clock gauge 11, this numerical value is the large end face of this oil injector body to the distance of omoplate.After measurement completes, remove on hand to oil injector body externally applied forces, take off oil injector body.
As can be seen here, it is not only simple in structure for detection gauge of the present utility model, and can pass through dial gauge or the direct reading of clock gauge, and measuring method is easy, is easy to employee's operation, has shortened working time, has greatly improved efficiency.
It should be noted that, above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.

Claims (5)

1. be applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, comprise: cylindrical and have along the gauge body of the through hole of Axis Extension, the measurement axle coordinating with the via clearance of described gauge body, the dial gauge or the clock gauge that contact with the inner face of described measurement axle, be enclosed within the opening sleeve on the sounding rod of described dial gauge or clock gauge, and the bracing ring at two ends is pressed in respectively the spring on the inner face of measuring axle and on the inner face of opening sleeve; The sounding rod of described dial gauge or clock gauge, opening sleeve, spring are all arranged in the through hole of gauge body and are coaxial with gauge body.
2. be according to claim 1ly applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, the through hole of described gauge body is stepped hole.
3. be according to claim 2ly applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, described measurement axle is the multidiameter being comprised of macro-axis and little axle.
4. be according to claim 1ly applicable to measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, described opening sleeve and gauge body are fastening by jackscrew.
5. according to being applicable to described in claim 1 to 4 any one, measure oil injector body large end face to the detection gauge of omoplate distance, it is characterized in that, the side opening of described measurement axle is provided with U-shaped groove, and the side opening of gauge body is provided with threaded hole.
CN201320685078.2U 2013-10-31 2013-10-31 A detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector Expired - Fee Related CN203534448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320685078.2U CN203534448U (en) 2013-10-31 2013-10-31 A detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320685078.2U CN203534448U (en) 2013-10-31 2013-10-31 A detecting gauge suitable for measuring the distance from a large end face to a shoulder of a fuel injector

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CN203534448U true CN203534448U (en) 2014-04-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105277101A (en) * 2015-11-17 2016-01-27 上海衡拓液压控制技术有限公司 Apparatus and method for measuring the space between nozzle and acceptor
CN110375619A (en) * 2019-08-30 2019-10-25 核工业理化工程研究院 A kind of small shaft clearance measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105277101A (en) * 2015-11-17 2016-01-27 上海衡拓液压控制技术有限公司 Apparatus and method for measuring the space between nozzle and acceptor
CN110375619A (en) * 2019-08-30 2019-10-25 核工业理化工程研究院 A kind of small shaft clearance measuring device

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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: 20140409

Termination date: 20171031

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