CN201397234Y - Phase measuring tool - Google Patents
Phase measuring tool Download PDFInfo
- Publication number
- CN201397234Y CN201397234Y CN2009201404276U CN200920140427U CN201397234Y CN 201397234 Y CN201397234 Y CN 201397234Y CN 2009201404276 U CN2009201404276 U CN 2009201404276U CN 200920140427 U CN200920140427 U CN 200920140427U CN 201397234 Y CN201397234 Y CN 201397234Y
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- CN
- China
- Prior art keywords
- adjusting screw
- phase measurement
- measurement instrument
- rod
- swivel nut
- 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
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- Valve-Gear Or Valve Arrangements (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a phase measuring tool, which comprises an adjusting screw and a locating turnbuckle arranged on the adjusting screw, wherein the adjusting screw is screw-connected with the locating turnbuckle, the adjusting screw comprises a screw body, and the end portion of the screw body is provided with a locating bulb. The phase measuring tool of the utility model can overcome the deficiencies that the measuring accuracy is low and the operation process is complicated in prior art, which achieves to increase the measuring accuracy and simplify the operation process.
Description
Technical field
The utility model relates to the phase measurement in the Thermal Motor field, particularly, relates to a kind of phase measurement instrument.
Background technology
At present, along with the enhancing of social enviroment protection consciousness, the emission standard of engine has been listed rules in.For satisfying the emission standard of increasingly stringent, engine progressively begins to adopt many Valves Technology; And, on the high-power engine of high rotating speed of modern times, substantially all adopt overhead camshaft (being OHC) structure, double overhead (being DOHC) structure particularly, its advantage is that the rigidity from the cam to the valve is big, can effectively reduce the to-and-fro movement inertial mass of movement parts, also can improve the rated engine speed of engine.Adopt in the engine of OHC structure at these, most of engine adopts hydraulic tappet simultaneously, can be so that the noise of engine be littler, thus more meet the demand of the public to environment.
But in realizing process of the present utility model, the designer finds to exist at least in the prior art following defective:
(1) measurement accuracy is low: the engine that adopts overhead camshaft and hydraulic tappet structure, when carrying out phase measurement, since the hydraulic tappet structure when confined state not and in the measuring process desired height do not meet, make that the measured value and the design load deviation of engine phase place are bigger, and repeatedly measured value is also inconsistent;
(2) complicated operating process: since the hydraulic tappet structure when confined state not and in the measuring process desired height do not meet, cause measurement result inaccurate, so phase measurement often obtains by in engine working process valve being measured in real time, but surveying work is very loaded down with trivial details again in real time.
Summary of the invention
The purpose of this utility model is a defective low at measurement accuracy in the prior art, complicated operating process, proposes a kind of phase measurement instrument, to realize the raising measurement accuracy and to simplify the operation course.
For achieving the above object, according to an aspect of the present utility model, provide a kind of phase measurement instrument, comprised adjusting screw(rod) and the location swivel nut that is located on the described adjusting screw(rod), described adjusting screw(rod) is threaded with described location swivel nut; Described adjusting screw(rod) comprises the screw rod body, is provided with the location bulb in the end of described screw rod body.
Preferably, described adjusting screw(rod) comprises the screw rod body, is provided with external thread on described screw rod body.
Preferably, be provided with on the described screw rod body be positioned at described location bulb below right cylinder, on described right cylinder, be provided with axisymmetric flat position portion.
Preferably, be provided with groove at the top of described location bulb.
Preferably, described location swivel nut has inner via hole, is provided with internal thread at the inwall of described inner via hole.
Preferably, be provided with round table surface, between described two ends, be provided with positioning cylindrical surface in two ends of described location swivel nut.
Preferably, at a side shaft of described positioning cylindrical surface to being provided with relief.
Preferably, described relief is the part face of cylinder to the central shaft depression of described positioning cylindrical surface.
The phase measurement instrument of the utility model embodiment comprises adjusting screw(rod) and the location swivel nut that is located on the adjusting screw(rod), and adjusting screw(rod) is connected with location swivel nut threaded engagement; Adjusting screw(rod) comprises the location bulb that is located on the screw rod body, flat position portion and external thread, and wrench easy to use or slotted head screw revolve instruments such as tool to be regulated the height of adjusting screw(rod); The location swivel nut comprises internal thread that is located at the inner via hole inwall and the positioning cylindrical surface that is provided with relief, when being convenient to carry out Measurement Phase and the assembling of engine and dismounting, thereby can overcome in the prior art defectives such as measurement accuracy is low, complicated operating process, and then realize improving measurement accuracy and simplifying the operation course.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the instructions of being write, claims and accompanying drawing.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of instructions, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the stereographic map according to the utility model phase measurement instrument;
Fig. 2 a is the front view according to the adjusting screw(rod) of the utility model phase measurement instrument;
Fig. 2 b is the stereographic map according to the adjusting screw(rod) of the utility model phase measurement instrument;
Fig. 3 a is the semisectional view according to the location swivel nut of the utility model phase measurement instrument;
Fig. 3 b is the stereographic map according to the location swivel nut of the utility model phase measurement instrument;
Fig. 4 is according to the scheme of installation of the utility model phase measurement instrument on engine;
Fig. 5 is the front view according to another structure of adjusting screw(rod) of the utility model phase measurement instrument.
In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:
The 1-adjusting screw(rod); 2-locatees swivel nut; The 3-external thread; The flat position of 4-portion; 5-locatees bulb; The 6-positioning cylindrical surface; The 7-internal thread; The 8-relief; The 9-cylinder head; The 10-valve; The 11-roller rock arm; The 12-cam; The 13-groove.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
According to the utility model embodiment, provide a kind of phase measurement instrument.As Fig. 1-shown in Figure 5.Wherein, Fig. 1 is the stereographic map according to the utility model phase measurement instrument.As shown in Figure 1, present embodiment comprises adjusting screw(rod) 1, is provided with location swivel nut 2 on adjusting screw(rod) 1.
Fig. 2 a and Fig. 2 b are respectively front view and the stereographic map according to the adjusting screw(rod) of the utility model phase measurement instrument.Shown in Fig. 2 a and Fig. 2 b, adjusting screw(rod) 1 comprises the screw rod body, be provided with location bulb 5 and comprise the right cylinder of two flat position portions 4 on the screw rod body, location bulb 5 is located at the end of screw rod body, and two flat position portions 4 are located at the below of locating bulb 5 and are located on the right cylinder axisymmetrically.Here, being located at the flat position of on the screw rod body two portion 4, is to use other instrument to adjust the height of adjusting screw(rod) 1 for convenience.
Fig. 3 a and Fig. 3 b are respectively semisectional view and the stereographic map according to the location swivel nut of the utility model phase measurement instrument.Shown in Fig. 3 a and Fig. 3 b, location swivel nut 2 has inner via hole, is provided with internal thread 7 on the inner via hole of location swivel nut 2; The end of location swivel nut 2 is a round table surface, be positioning cylindrical surface 6 between the end, is provided with relief 8 in a side of positioning cylindrical surface 6, and relief 8 be the part face of cylinder and caves in to the central shaft of locating swivel nut 2; Here, relief 8 can reduce the installation difficulty of present embodiment phase measurement instrument, is convenient to the assembling and the dismounting of this phase measurement instrument.
Simultaneously, on adjusting screw(rod) 1, be provided with and locate the external thread 3 that the internal thread 7 of swivel nut 2 is complementary, internal thread 7 on the swivel nut 2 of location is connected with external thread 3 threaded engagement on the adjusting screw(rod) 1, location swivel nut 2 is sleeved on the adjusting screw(rod) 1, can adjust the height of location swivel nut 2 on adjusting screw(rod) 1 up and down by internal thread 7 and external thread 3.
Fig. 4 is according to the scheme of installation of the utility model phase measurement instrument on engine.As shown in Figure 4, on cylinder head 9, be provided with valve 10, cam 12 and roller rock arm 11, will locate swivel nut 2 and be installed on the cylinder head 9, again adjusting screw(rod) 1 is inserted in the inner via hole of location swivel nut 2; The interior ball impression of roller rock arm 11 1 ends is contained on the location bulb 5 of adjusting screw(rod) 1 end, and the other end of roller rock arm 11 is taken the end of the valve stem that is contained in valve 10; Cam 12 is fitted on the roller of roller rock arm 11.Here, be located at the location bulb 5 of adjusting screw(rod) 1 screw rod body end, can be used for the roller rock arm on the cylinder head 9 11 is positioned.
Before the phase place of measuring engine, needing to revolve with open-ended spanner or slotted head screw earlier instrument such as tool is stuck in the flat position of on the adjusting screw(rod) 1 two portion 4, height to adjusting screw(rod) 1 is adjusted, make the roller rock arm 11 and the contact site of valve 10 be in the zero stand-off contact condition, if improper just with instrument adjust adjusting screw(rod) extremely suitable till.Carry out the measurement of the port timing of engine again: engine is adjusted to the first cylinder compression top center position (this moment, the first cylinder inlet and exhaust valve all was in closed condition), aim at 0 scale place on top dead centre pointer and the index dial, clock gauge is vertically pointed on the plane of air inlet or exhaust valve spring base, to zero; According to engine running bearing circle dynamic crankshaft it is rotated then, crank angle reading is at this moment write down in the beat of pointer on table, is air inlet or exhaust opening angle, notices that action is light and slow before the beat of pointer.Continuation dish dynamic crankshaft, when valve was added to the closed condition position again, pointer was returned zero-bit, write down this moment crank angle and was the valve-closing angle, can get the port timing of engine thus, like this, can provide accuracy of measurement preferably.
Simultaneously, owing to be provided with relief 8 in the location on the swivel nut 2, what make respective aperture on location swivel nut 2 and the cylinder head 9 cooperates the area minimizing, makes things convenient for the assembling and the dismounting of phase measurement instrument and engine, helps increasing work efficiency.Because if use the location swivel nut 2 comprise the complete circle cylinder, when then complete cylindrical surface cooperated with respective aperture on the cylinder head 9, less clearance therebetween can be filled lubricating oil, caused packing into and took out when locating swivel nut 2 difficultlyer, was not easy to assemble and dismantle.Here, the phase measurement instrument of use present embodiment replaces the hydraulic tappet on the former engine, can carry out phase measurement according to the engine of traditional underneath camshaft structure.
Fig. 5 is the front view according to another structure of adjusting screw(rod) of the utility model phase measurement instrument.As shown in Figure 5, what the structure of the concrete structure of adjusting screw(rod) 1 and the adjusting screw(rod) 1 shown in Fig. 2 a and Fig. 2 b was different is: also be provided with groove 13 on the bulb 5 of location, use slotted head screw to revolve instrument such as tool the height of adjusting screw(rod) 1 is regulated with convenient.Here, on the screw rod body, be provided with external thread 3, be provided with the location bulb 5 that comprises groove 13 in the end of screw rod body, below the bulb 5 of location, do not establish flat position portion 4 and be used to be provided with the right cylinder of flat position portion 4, utilize groove 13 to replace the height adjusting of flat position portion 4 realizations adjusting screw(rod) 1.
In the present embodiment, the phase measurement instrument just can carry out phase measurement to the engine of overhead camshaft and hydraulic tappet structure, and accuracy of measurement is higher without complicated test components and parts such as placement sensor.
The phase measurement instrument of present embodiment comprises adjusting screw(rod) and is located at location swivel nut on the adjusting screw(rod), and adjusting screw(rod) comprises location bulb and flat position portion, and flat position portion wrench easy to use or slotted head screw revolve instrument such as tool to be regulated the height of adjusting screw(rod); The location swivel nut comprises the positioning cylindrical surface that is provided with relief, when being convenient to carry out Measurement Phase and the assembling of engine and dismounting, thereby can overcome in the prior art defectives such as measurement accuracy is low, complicated operating process, and then realize improving measurement accuracy and simplifying the operation course; And the phase measurement tool construction of present embodiment is simple, part is few, cost is low, is applicable to engine is carried out phase measurement, and easy to maintenance.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a phase measurement instrument is characterized in that, comprises adjusting screw(rod) and the location swivel nut that is located on the described adjusting screw(rod), and described adjusting screw(rod) is threaded with described location swivel nut; Described adjusting screw(rod) comprises the screw rod body, is provided with the location bulb in the end of described screw rod body.
2. phase measurement instrument according to claim 1 is characterized in that, is provided with external thread on described screw rod body.
3. phase measurement instrument according to claim 1 is characterized in that, be provided with on the described screw rod body be positioned at described location bulb below right cylinder, on described right cylinder, be provided with axisymmetric flat position portion.
4. phase measurement instrument according to claim 1 is characterized in that, is provided with groove at the top of described location bulb.
5. phase measurement instrument according to claim 1 is characterized in that, described location swivel nut has inner via hole, is provided with internal thread at the inwall of described inner via hole.
6. phase measurement instrument according to claim 5 is characterized in that, is provided with round table surface in two ends of described location swivel nut, is provided with positioning cylindrical surface between described two ends.
7. phase measurement instrument according to claim 6 is characterized in that, at a side shaft of described positioning cylindrical surface to being provided with relief.
8. phase measurement instrument according to claim 7 is characterized in that, described relief is the part face of cylinder to the central shaft depression of described positioning cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201404276U CN201397234Y (en) | 2009-01-12 | 2009-01-12 | Phase measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201404276U CN201397234Y (en) | 2009-01-12 | 2009-01-12 | Phase measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397234Y true CN201397234Y (en) | 2010-02-03 |
Family
ID=41619752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201404276U Expired - Fee Related CN201397234Y (en) | 2009-01-12 | 2009-01-12 | Phase measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397234Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482922A (en) * | 2016-11-30 | 2017-03-08 | 江西洪都航空工业集团有限责任公司 | A kind of general mounting platform of bird impact tests |
| CN109891184A (en) * | 2016-11-07 | 2019-06-14 | 株式会社第一测范制作所 | Threaded hole check device |
-
2009
- 2009-01-12 CN CN2009201404276U patent/CN201397234Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109891184A (en) * | 2016-11-07 | 2019-06-14 | 株式会社第一测范制作所 | Threaded hole check device |
| CN109891184B (en) * | 2016-11-07 | 2021-04-13 | 株式会社第一测范制作所 | Threaded hole inspection device |
| CN106482922A (en) * | 2016-11-30 | 2017-03-08 | 江西洪都航空工业集团有限责任公司 | A kind of general mounting platform of bird impact tests |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20140112 |