CN204944382U - A kind of engine air valve valve face gauge - Google Patents
A kind of engine air valve valve face gauge Download PDFInfo
- Publication number
- CN204944382U CN204944382U CN201520579998.5U CN201520579998U CN204944382U CN 204944382 U CN204944382 U CN 204944382U CN 201520579998 U CN201520579998 U CN 201520579998U CN 204944382 U CN204944382 U CN 204944382U
- Authority
- CN
- China
- Prior art keywords
- valve
- gauge
- gauge body
- air valve
- sleeve
- 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.)
- Active
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of engine air valve valve face gauge, comprise: gauge body (1), sleeve (2), wherein, described gauge body (1) is identical with tested air valve valve face frustoconical bevel angle ostensible angle, sleeve (2) is set in the bottom of gauge body (1), and be that small―gap suture coordinates with gauge body 1, the conical surface of gauge body (1) is coaxial with sleeve (2), and right alignment requires within 0.002, in addition, gauge body inside is designed to larger hole and groove.The design by the size precision testing of air valve valve face and angle testing accuracy based on one.Use this qualified gauge, both can detect the diameter dimension of valve seat seat surface, the function that the cone angle of circular cone endoporus, form and position tolerance, roughness etc. require can be detected again.
Description
Technical field
The utility model relates to a kind of engine air valve valve face gauge.
Background technology
Engine air valve is divided into gas admittance valve and vent valve, is the key component of diesel engine, and they are used to the punctual opening and closing controlling air intake duct and exhaust duct.Air valve works under being in high temperature, Cooling and Lubricator hard situation, bears very high thermal load, is subject to the effect of the band impact alternate loads such as gaseous tension, spring for valve power and gear train component inertias power simultaneously.Therefore, require that air valve has enough hot strengths, toughness and skin hardness; The mating face seal of air valve and valve seat will be got well.If air valve seat mating surface serious wear, then can cause gas leakage or vent valve scaling loss, make diesel engine cisco unity malfunction; Or air valve fracture, air valve can be made to fall into cylinder, break firing chamber, cause diesel engine not work.Therefore, the crudy of valve face, roughness and form and position tolerance are vital to air valve.
Operationally, because the effect of high-temperature high-pressure fuel gas in cylinder, valve and valve base surface will wear and tear engine.High temperature makes valve and valve seat produce creep and plucking, and high pressure (cylinder pressure) makes cylinder cover workplace and air valve produce strain, and valve and valve seat produce micro-mistake and wear and tear.If valve seat smooth finish quality is bad, wearing and tearing can be made to aggravate, valve and valve base seal property decline, on the one hand carbon deposit is increased, unstable wear, on the other hand because air valve is not closed completely, combustion gas washout valve seating face, valve face forms the vestige such as " pit ", " pit " " groove ".So the valve face crudy of inlet and outlet valve seat is just and important, diesel valve valve seat sketch as shown in Figure 1:
The effect of air valve valve face and the sketch (Fig. 1) of air valve is analyzed from above, seat surface roughness, dimensional accuracy, form and position tolerance all require very high, and its 120 ° of conical surfaces are because its length is very short, cannot with the measurement of its diameter dimension precision of traditional method Measurement accuracy, tapering precision and roughness and form and position tolerance.
Traditional tapering detects and generally checks with omnipotent vernier protractor, angular templet, cone gage.And higher for precision, and length is very short, the detection on the inclined-plane that angle requirement is high detects then very inaccurate by above several way.Situation shown in upper figure, the length of air valve valve face is very short, accuracy requirement is very high.
Utility model content
The present invention well solves the test problems of high-precision conical valve face, especially the test problems of engine air valve valve face high precision valve face.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of engine air valve valve face gauge, comprise: gauge body (1), sleeve (2), described gauge body (1) are identical with tested air valve valve face frustoconical bevel angle, sleeve (2) is set in the bottom of gauge body (1), and coordinate with gauge body (1) small―gap suture, the conical surface of gauge body (1) is coaxial with sleeve (2).
The design by the size precision testing of air valve valve face and angle testing accuracy based on one.Use this qualified gauge, both can detect the diameter dimension of valve seat seat surface, the function that the cone angle of circular cone endoporus, form and position tolerance, roughness etc. require can be detected again.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in detail, to make above-mentioned advantage of the present utility model definitely.
Fig. 1 is the structural representation of existing air valve sleeve;
Fig. 2 is the structural representation of the utility model engine air valve valve face gauge;
Fig. 3 is the structural representation of gauge body in the utility model engine air valve valve face gauge;
Fig. 4 is the structural representation of the utility model engine air valve valve face gauge middle sleeve.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.
Specifically, as Figure 1-4, a kind of engine air valve valve face gauge, comprising: gauge body (1), sleeve (2), wherein, described gauge body (1) is identical with tested air valve valve face frustoconical bevel angle ostensible angle, sleeve (2) is set in the bottom of gauge body (1), and be that small―gap suture coordinates with gauge body 1, the conical surface of gauge body (1) is coaxial with sleeve (2), and right alignment requires within 0.002, in addition, gauge body inside is designed to larger hole and groove.
The design by the size precision testing of air valve valve face and angle testing accuracy based on one.Use this qualified gauge, both can detect the diameter dimension of valve seat seat surface, the function that the cone angle of circular cone endoporus, form and position tolerance, roughness etc. require can be detected again.
Wherein, as above shown in Fig. 2: preprocessing such as Fig. 1 shows part, drawing requirement ensures cylindrical cone angle ° (within the scope of 0-180 °), diameter d ± 0.1, diameter d 2 ± 0.1 size, and the conical surface proposes higher form and position tolerance and roughness requirements to foreign round again simultaneously.Want Measurement accuracy part processing situation, the diameter dimension of valve seat seat surface can be detected, the requirement such as cone angle, form and position tolerance, roughness of outer cone can be detected again, normally design the measurement that tapering limitgage detects diameter dimension, the accuracy detection of angle normally designs taper plug gauge to detect.But part shown in upper Fig. 1, for chamfer length is little, the part that precision is high, accurately cannot detect with taper plug gauge.
Gauge of the present invention is an assembly, is made up of gauge body 1, sleeve 2.The outer conical surface of premeasuring air valve class as shown in Figure 1, first coat three lines (line and line are separated by 120 °) at the valve face of gauge body equably along element of cone developer, then air valve is put into sleeve, when equivalent regulator encounters air valve valve face, turn half cycle during the angular compliance of the outer conical surface angle required by air valve and gauge, observe developer and wipe situation.If developer is wiped evenly, illustrate that tapering contact is good, tapering is correct.If small end is wiped, illustrate that tapering is large, otherwise then tapering is little.And the inclined-plane maximum of gauge is tinted evenly, then illustrate that diameter dimension is suitable, if there is a circle not contact, then illustrate that diameter dimension is undressed to drawing requirement size.
The most key problem of the present invention is, while this invention solves the diameter dimension detecting outer conical surface, also the problem of angle precision, form and position tolerance, roughness measurement is solved, this gauge is once after completing, and its cylindrical cone angle, dimensional accuracy (radial dimension), form and position tolerance and roughness all can complete in one-time detection.The roughness of the thinking of the present invention's design and the design shape of this gauge, dimensional accuracy, positional precision, each key element is key point of the present invention, and the above key point of this gauge is the content that will protect.
The utility model compared with prior art has the following advantages:
1, structure is simple, novel in design: the utility model structure is simple, reviewer only need use the method for gauge routinely, the gauge that proper operation is qualified, just the precision of high-precision short outer conical surface size and angle, roughness, form and position tolerance detection can be carried out on verifying bench, its structure is simple, novel in design.
2, compact, simple operation, the utility model gauge compact, lightweight, very convenient operation.
3, accuracy of detection is higher, and the utility model can detect size accuracy tolerance to 0.1 millimeter, and angle tolerance is 10 points, and the detection that the utility model is particularly suitable for the high precision excircle conical surface on the short length inclined-plane that cannot detect is used.
4, make simply, production cost is low, be convenient to promote the use of: making quantity of material regulator of the present utility model and sleeve all adopt carbon steel 20(GB/T699-1999) carburizing and carbon tool steel T10A(GB/T1298-2008) manufacture, harden to 58-65HRC, make simple, production cost is very low, is convenient to promote the use of.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. an engine air valve valve face gauge, it is characterized in that, comprise: gauge body (1), sleeve (2), described gauge body (1) are identical with tested air valve valve face frustoconical bevel angle, sleeve (2) is set in the bottom of gauge body (1), and coordinate with gauge body (1) small―gap suture, the conical surface of gauge body (1) is coaxial with sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579998.5U CN204944382U (en) | 2015-08-05 | 2015-08-05 | A kind of engine air valve valve face gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579998.5U CN204944382U (en) | 2015-08-05 | 2015-08-05 | A kind of engine air valve valve face gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944382U true CN204944382U (en) | 2016-01-06 |
Family
ID=55011800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520579998.5U Active CN204944382U (en) | 2015-08-05 | 2015-08-05 | A kind of engine air valve valve face gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944382U (en) |
-
2015
- 2015-08-05 CN CN201520579998.5U patent/CN204944382U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661823A (en) | Cylinder sleeve piston ring group friction work test device | |
| CN105108580B (en) | Five-axle number control machine tool is opened and closed angular zone working ability detection method | |
| CN204944382U (en) | A kind of engine air valve valve face gauge | |
| CN207556764U (en) | A kind of simulation leak test formula valve seat insert band leakproofness measuring device | |
| CN204757887U (en) | Engine pneumatic valve disk seat valve face gauge | |
| CN105014369A (en) | Tool assembly for precise installation of crankshaft timing gear | |
| CN203489826U (en) | Orifice chamfer axial depth detection device | |
| CN204594369U (en) | A kind of high precision conical surface pulsation measurement cubing | |
| CN207365894U (en) | A kind of threaded hole axiality detection device | |
| CN106895758A (en) | A kind of combined detection tool of supercharger volute endoporus surface location | |
| CN205448885U (en) | Utensil is examined in combination of booster volute hole curved surface position | |
| CN202101616U (en) | Checking fixture for crankshaft semicircular hole of cylinder block of internal combustion engine | |
| CN205580360U (en) | Outer lane chamfer dimension check gauge in bearing | |
| JPWO2010021046A1 (en) | Crowning measuring apparatus and crowning measuring method using the same | |
| CN210165864U (en) | Detection template for outer circle diameter of crankshaft shoulder | |
| CN208736298U (en) | A kind of detection device of fuel injector size | |
| KR101479540B1 (en) | the gas control block manufacturing methods for LNG fuel engine | |
| CN207395630U (en) | A kind of part tool for detecting surface profile | |
| CN104406776B (en) | Cylinder head test valve position seals structure | |
| CN205718712U (en) | A kind of inlet flange four hole cubing | |
| CN112197737A (en) | Device for detecting angle of sealing seat surface of needle valve body | |
| CN206362270U (en) | A kind of automobile engine cylinder head valve sealing band seat ring jitter detection apparatus | |
| Weckenmann et al. | Function-oriented measurements–the path from macro to micro and nano range | |
| CN210087523U (en) | Sealing detection device for valve assembly of common rail fuel injector | |
| CN204043546U (en) | A kind of pick-up unit of quick test ball valve cast valve intracoelomic cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |