CN202793295U - Fuel injector hole big head groove coaxiality testing tool - Google Patents
Fuel injector hole big head groove coaxiality testing tool Download PDFInfo
- Publication number
- CN202793295U CN202793295U CN201220530913.0U CN201220530913U CN202793295U CN 202793295 U CN202793295 U CN 202793295U CN 201220530913 U CN201220530913 U CN 201220530913U CN 202793295 U CN202793295 U CN 202793295U
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- injector hole
- lever
- arm
- oil injector
- testing tool
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Abstract
The utility model discloses a fuel injector hole big head groove coaxiality testing tool which includes a core rod, a lever, an indicating gauge, a gauge support, and a positioning lining. The fuel injector hole big head groove coaxiality testing tool is characterized in that the positioning lining is sleeved on a first positioning central spindle on the top of the core rod; the gauge support is arranged on the positioning lining; the indicating gauge is arranged in the gauge support; the lever is connected with the positioning lining; the lever includes a first arm which contacts with a measuring rod of the indicating gauge and a second arm which contacts with a measuring plane. The fuel injector hole big head groove coaxiality testing tool is simple and compact in structure, and is easy to operate. The number reading is convenient, and the clamping detection difficulty of a conventional clamp or a measuring tool is overcome. The actual application indicates that the reliability and the precision of the testing tool are high, and the testing tool has the competitive edge when being applied in occasion that the measurement frequency is high and a detected part of a workpiece is small, the testing tool initiates a novel idea for coaxiality testing.
Description
Technical field
The utility model relates to a kind of cubing, relates in particular to the coaxality measurement cubing, specifically a kind of oil injector hole major part groove coaxiality check fixture.
Background technology
Right alignment is to measure the larger a kind of location parameter of difficulty, especially when requiring to satisfy simultaneously following binomial condition::
1) size of measured hole is less, and its surrounding space is very narrow again;
2) must be applicable to the ability that scene, workshop under the mass production environment possesses Quick Measurement.
Above-mentioned situation is much in the manufacturing industry, such as the cylinder cap in the engine, and the housing in the lubricating oil pump, the casing of (air-conditioning, refrigerator) compressor etc.The Quick Measurement that will realize in this case inter process is a difficult problem really.Undoubtedly, utilize the exact instrument in the measuring room, such as roundness measuring equipment, or by means of the very strong three coordinate measuring machine of versatility, also can finish this detection.But obviously, no matter on economy or efficient, all can not satisfy those preconditions above-mentioned.
Summary of the invention
To be solved in the utility model is the prior art above shortcomings, aim to provide a kind of can the Quick Measurement right alignment what novel cubing, overcome the defective that jig commonly used or measurer can't clamping detect, for new thinking has been opened up in the check of right alignment.
The technical scheme that addresses the above problem employing is: oil injector hole major part groove coaxiality check fixture, comprise plug, lever, dial gauge, table support and positioning adapter, and it is characterized in that described positioning adapter is sleeved on first positioning core axle at described plug top; Described table support is arranged on the described positioning adapter; Described dial gauge is installed in the described table support; Described lever shaft is connected on the described positioning adapter, and described lever comprises first arm that contacts with the sounding rod of described dial gauge and second arm that contacts with measurement face.
Right alignment appliance special for detecting of the present utility model, its principal feature is: carry out pre-determined bit with plug, in rotation one week of positioning adapter, change into the variation of dial gauge registration by lever principle.Therefore, the utility model has been realized the measurement of right alignment, and it has the ability of carrying out Quick Measurement at inter process.This appliance special for detecting is simple and compact for structure, easy to operate, be easy to reading, overcome the defective that jig commonly used or measurer can't clamping detect.Show that reliability and cubing precision are all higher after actual the use, in that to be used for measuring the frequency higher, in the narrow and small occasion in the tested position of workpiece, demonstrate very large superiority, for new thinking has been opened up in the check of right alignment.
According to the utility model, described lever is L-shaped, and described the first arm is level or the slightly downward oblique setting of level, guarantees that the surface in contact of the sounding rod of the first arm and dial gauge is the level of state substantially; Described the second arm is basic vertical to be arranged, its free end be provided with one with the contacted projection of described measurement face, when positioning adapter rotates, should projection contact with measurement face all the time guaranteeing.
According to the utility model, described table support is fixed on the described positioning adapter by holding screw.
According to the utility model, described dial gauge is installed in the resilient bushing of showing in the support by milled screw.
According to the utility model, described plug comprises the plug of one group of different tolerance dimension of corresponding tested oil injector hole.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the utility model oil injector hole major part groove coaxiality check fixture.
Fig. 2 is that the K of Fig. 1 is to view.
Fig. 3 is the structural representation of the utility model lever.
Fig. 4 is the structural representation of the utility model plug.
Fig. 5 is the use constitutional diagram of the utility model when measuring.
Among the figure, 1-plug, 2-lever, the 3-pin, 4-holding screw, 5-dial gauge, the 6-resilient bushing, 7-shows support, 8-positioning adapter, 9-milled screw, 10-measures face, the tested oil injector hole of 11-, the first positioning core axle of 101-plug, 102-plug main body, the second positioning core axle of 103-plug, the extension diameter section of 104-plug, the bottom surface of 105-plug main body, the mounting hole of 201-lever, the first arm of 202-lever, the first arm of 203-lever and the surface of contact of dial gauge sounding rod, the second arm of 204-lever, 205-projection.
Embodiment
Referring to figs. 1 through Fig. 4, oil injector hole major part groove coaxiality check fixture of the present utility model comprises plug 1, lever 2, dial gauge 5, table support 7 and positioning adapter 8.Described positioning adapter 8 is sleeved on first positioning core axle 101 at described plug 1 top.Described table support 7 is fixed on the described positioning adapter 8 by holding screw 4.Described dial gauge 5 is installed in the resilient bushing 6 of 7 li on table support by milled screw 9.
Described lever 2 is L-shaped, is coupling on described positioning adapter 8 by pin 3.Described lever 2 comprises first arm 202 that contacts with the sounding rod of described dial gauge 5 and second arm 204 that contacts with measurement face 10.Described the first arm 202 is level or the slightly downward oblique setting of level, and its free end has the upper surface of a basic horizontal that contacts with the sounding rod of described dial gauge 5.Described the second arm 204 basic vertical settings, its free end is provided with a projection 205 that contacts with described measurement face 10.
With reference to Fig. 4, plug 1 comprises first positioning core axle 101 on plug main body 102, top and the second positioning core axle 103 of bottom, and an extension diameter section 104 is arranged at the top of plug main body 102, is used for cooperating with tested oil injector hole.
Cubing of the present utility model disposes a core assembly rod 1, wherein the different tolerance dimensions of the corresponding tested oil injector hole of the diameter of the extension diameter section 104 of each plug difference.Take the aperture d=25.35mm of tested oil injector hole as example, each plug has the extension diameter section of different size, is respectively 25.35mm, 25.355mm, 25.361mm and 25.366mm.
With reference to Fig. 5, measuring process of the present utility model is as follows:
1, at first selects the plug that is complementary with tested oil injector hole internal diameter;
2, the plug of choosing is inserted in the tested oil injector hole 11 advance pre-determined bit, the second positioning core axle 103 of plug is cooperated with the pilot hole 103 of oil injector hole bottom, the bottom surface 105 of plug main body contacts the location with the locating surface 12 of oil injector hole bottom, and the extension diameter section 104 of plug contacts with the oil injector hole inwall simultaneously;
3, will assemble on the plug after the positioning adapter 8, lever 2, table support 7 and dial gauge 5 assemblies that are shaped are sleeved on pre-determined bit; Simultaneously, the projection 205 on lever the second arm is contacted with the inwall (namely measuring face 10) of the major part groove of tested oil injector hole;
4, in rotation 8 one weeks of positioning adapter, the desaxe amount of major part groove is changed into the variation of dial gauge registration by lever principle.Like this, this appliance special for detecting has just been realized the measurement of right alignment.
What should be understood that is: above-described embodiment is just to explanation of the present utility model, rather than to restriction of the present utility model, any innovation and creation that do not exceed in the utility model connotation scope all fall within the protection domain of the present utility model.
Claims (6)
1. oil injector hole major part groove coaxiality check fixture, comprise plug (1), lever (2), dial gauge (5), table support (7) and positioning adapter (8), it is characterized in that described positioning adapter (8) is sleeved on first positioning core axle (101) at described plug (1) top; Described table support (7) is arranged on the described positioning adapter (8); Described dial gauge (5) is installed in the described table support (7); Described lever (2) is coupling on described positioning adapter (8), and described lever (2) comprises first arm (202) that contacts with the sounding rod of described dial gauge (5) and second arm (204) that contacts with measurement face (10).
2. oil injector hole major part groove coaxiality check fixture as claimed in claim 1 is characterized in that described lever (2) is L-shaped, and described the first arm (202) is level or the slightly downward oblique setting of level, basic vertical setting of described the second arm (204).
3. oil injector hole major part groove coaxiality check fixture as claimed in claim 1 is characterized in that second arm (204) of described lever (2) is provided with a projection (205) that contacts with described measurement face (10).
4. oil injector hole major part groove coaxiality check fixture as claimed in claim 1 is characterized in that described table support (7) is fixed on the described positioning adapter (8) by holding screw (4).
5. oil injector hole major part groove coaxiality check fixture as claimed in claim 1 is characterized in that described dial gauge (5) is installed in the inner resilient bushing (6) of table support (7) by milled screw (9).
6. such as any one described oil injector hole major part groove coaxiality check fixture of claim 1-5, it is characterized in that described plug (1) comprises the plug of one group of different tolerance dimension of corresponding tested oil injector hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220530913.0U CN202793295U (en) | 2012-10-17 | 2012-10-17 | Fuel injector hole big head groove coaxiality testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220530913.0U CN202793295U (en) | 2012-10-17 | 2012-10-17 | Fuel injector hole big head groove coaxiality testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793295U true CN202793295U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220530913.0U Expired - Fee Related CN202793295U (en) | 2012-10-17 | 2012-10-17 | Fuel injector hole big head groove coaxiality testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793295U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534051A (en) * | 2014-12-22 | 2015-04-22 | 重庆泉海机械有限责任公司 | Gear link mechanism for workpiece inner hole surface detection |
| CN105364086A (en) * | 2014-08-28 | 2016-03-02 | 安瑞科(蚌埠)压缩机有限公司 | Measuring and machining method for open file in crosshead and auxiliary symmetry measuring device |
| CN105547099A (en) * | 2015-12-03 | 2016-05-04 | 中国南方航空工业(集团)有限公司 | Device and method for measuring diameter of given cross section of conical component such as fuel nuzzle |
| CN106123733A (en) * | 2016-08-30 | 2016-11-16 | 广西玉柴机器股份有限公司 | The auxiliary device of protrusion height of oil sprayer detection |
| CN106643437A (en) * | 2016-09-28 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Coaxiality measuring device and method for mechanical part |
| CN107421418A (en) * | 2017-09-26 | 2017-12-01 | 徐州海伦哲专用车辆股份有限公司 | A kind of detection means for being used to measure box house form and position tolerance |
| CN107631674A (en) * | 2017-10-31 | 2018-01-26 | 广西玉柴机器股份有限公司 | A kind of coaxiality check fixture of valve seat of cylinder head hole to conduit bottom outlet |
| CN110411389A (en) * | 2019-08-12 | 2019-11-05 | 重庆市吉盛刀具有限公司 | Flywheel concentricity and end face run-out detecting tool |
-
2012
- 2012-10-17 CN CN201220530913.0U patent/CN202793295U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364086A (en) * | 2014-08-28 | 2016-03-02 | 安瑞科(蚌埠)压缩机有限公司 | Measuring and machining method for open file in crosshead and auxiliary symmetry measuring device |
| CN105364086B (en) * | 2014-08-28 | 2018-03-02 | 安瑞科(蚌埠)压缩机有限公司 | The measurement of crosshead internal arm, processing method and symmetry aided measurement device |
| CN104534051A (en) * | 2014-12-22 | 2015-04-22 | 重庆泉海机械有限责任公司 | Gear link mechanism for workpiece inner hole surface detection |
| CN105547099A (en) * | 2015-12-03 | 2016-05-04 | 中国南方航空工业(集团)有限公司 | Device and method for measuring diameter of given cross section of conical component such as fuel nuzzle |
| CN105547099B (en) * | 2015-12-03 | 2019-02-15 | 中国南方航空工业(集团)有限公司 | The diameter measuring device and method to uniform section of fuel nozzle class conical part |
| CN106123733A (en) * | 2016-08-30 | 2016-11-16 | 广西玉柴机器股份有限公司 | The auxiliary device of protrusion height of oil sprayer detection |
| CN106123733B (en) * | 2016-08-30 | 2018-06-19 | 广西玉柴机器股份有限公司 | The auxiliary device of protrusion height of oil sprayer detection |
| CN106643437A (en) * | 2016-09-28 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Coaxiality measuring device and method for mechanical part |
| CN107421418A (en) * | 2017-09-26 | 2017-12-01 | 徐州海伦哲专用车辆股份有限公司 | A kind of detection means for being used to measure box house form and position tolerance |
| CN107421418B (en) * | 2017-09-26 | 2024-02-09 | 徐州海伦哲专用车辆股份有限公司 | Detection device for measuring form and position tolerance in box body |
| CN107631674A (en) * | 2017-10-31 | 2018-01-26 | 广西玉柴机器股份有限公司 | A kind of coaxiality check fixture of valve seat of cylinder head hole to conduit bottom outlet |
| CN110411389A (en) * | 2019-08-12 | 2019-11-05 | 重庆市吉盛刀具有限公司 | Flywheel concentricity and end face run-out detecting tool |
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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: 20130313 Termination date: 20211017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |