CN216049586U

CN216049586U - Special gauge for conical surface thickness of exhaust pipe of diesel engine

Info

Publication number: CN216049586U
Application number: CN202122081419.2U
Authority: CN
Inventors: 华传芳
Original assignee: World Known Precision Industry Fuzhou Co Ltd
Current assignee: World Known Precision Industry Fuzhou Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-15
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a special checking fixture for the conical surface thickness of a diesel engine exhaust pipe, which comprises a checking fixture sheet body, wherein the middle parts of the left side and the right side of the checking fixture sheet body are respectively provided with an upper limit detection groove and a lower limit detection groove, the upper limit detection groove and the lower limit detection groove are ladder-shaped open grooves, the long bottom edges of the ladder-shaped open grooves are open ends, and the size of the upper limit detection groove is larger than that of the lower limit detection groove. The utility model has the advantages of reasonable design, high detection speed, convenient operation, convenient specialized production, and improvement of the whole detection efficiency and the whole production efficiency.

Description

Special gauge for conical surface thickness of exhaust pipe of diesel engine

Technical Field

The utility model relates to a special checking fixture for the conical surface thickness of a diesel engine exhaust pipe.

Background

The exhaust pipe in the engine is poor in product processing thickness, the clamp cannot be assembled when the product is thick, leakage is prone to occurring after the clamp cannot clamp a truck when the product is thin, the emission requirement cannot be met, the environment is polluted, the workpiece pipe head part of the exhaust pipe carries an angle, a three-coordinate measuring instrument needs to be used for detection during measurement, the detection equipment is expensive, the price of common equipment is 50-150 thousands, and a person needing to learn the operation of the equipment professionally spends at least 30 minutes to complete the measurement.

Disclosure of Invention

In view of the above, the utility model aims to provide a special detection tool for the conical surface thickness of an exhaust pipe of a diesel engine, which is used for detecting the conical surface thickness of the head angle of the exhaust pipe of the engine and solves the problems of difficult conical surface detection and long detection time.

The utility model is realized by adopting the following scheme: the utility model provides a diesel engine blast pipe conical surface thickness special use examines utensil, includes examines a lamellar body, it is provided with upper limit detection groove, lower limit detection groove respectively to examine the left and right sides middle part of lamellar body, upper limit detection groove, lower limit detection groove are trapezoidal open slot, and the long base of trapezoidal open slot is the open end, the size in upper limit detection groove is greater than the size in lower limit detection groove.

Furthermore, marking characters are respectively engraved on the side of the upper limit detection groove and the side of the lower limit detection groove.

Further, the notch edge of the upper limit detection groove and the lower limit detection groove and the edge junction of the detection tool sheet body are in circular arc transition.

Further, the length of the short bottom edge of the upper limit detection groove is 8.37-8.39mm, and the length of the short bottom edge of the lower limit detection groove is 8.01-8.03 mm.

Furthermore, the included angle between the two waists of the upper limit detection groove is 40.4-40.5 degrees, and the included angle between the two waists of the short bottom edge of the lower limit detection groove is 39.5-39.6 degrees.

Further, the thickness of the detection tool sheet body is 3-7mm, and the length-width ratio of the detection tool sheet body is as follows: 35: 29.

further, the ratio of the distance between the upper limit detection groove and the lower limit detection groove to the width of the detection tool sheet body is 20: 29.

compared with the prior art, the utility model has the following beneficial effects: reasonable in design, it is fast to detect, convenient operation makes things convenient for the production of specialization, improves holistic detection efficiency, and then improves holistic production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a view of the present invention;

fig. 3 is a schematic view of a workpiece to be inspected.

In the figure: 1-a checking fixture sheet body; 2-upper limit detection tank; 3-a lower limit detection tank; 4-a marker word; 5-arc transition; 6-the position of the conical surface of the part to be detected; 7-round hole.

Detailed Description

The utility model is further explained below with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1-3, this embodiment provides a diesel engine exhaust pipe conical surface thickness special gauge, including a gauge sheet body 1, the left and right sides middle part of the gauge sheet body is provided with upper limit detection groove 2, lower limit detection groove 3 respectively, upper limit detection groove, lower limit detection groove are trapezoidal open slot, the long base of trapezoidal open slot is the open end, the size in upper limit detection groove is greater than the size in lower limit detection groove.

In this embodiment, the side of upper limit detection groove, the side of lower limit detection groove are carved with respectively and are marked word 4, and in this embodiment, the side mark of upper limit detection groove has GO, and the side mark of lower limit detection groove has NG.

In this embodiment, the notch edge of the upper limit detection groove and the lower limit detection groove and the edge juncture of the detection tool sheet body are in circular arc transition 5, so that the end face of the component to be detected is prevented from being scratched.

In this embodiment, for the sake of reasonable design, the length of the short bottom side of the upper limit detection groove is 8.37 to 8.39mm, and the length of the short bottom side of the lower limit detection groove is 8.01 to 8.03mm for the detection member with a height of 8.2mm in this embodiment.

In this embodiment, for a detection component with an angle of 40 degrees in this embodiment, for reasonable design, the included angle between two waists of the upper limit detection groove is 40.4-40.5 degrees, and the included angle between two waists of the short bottom edge of the lower limit detection groove is 39.5-39.6 degrees.

In this embodiment, the thickness of the detection tool sheet body is 3-7mm, and the aspect ratio of the detection tool sheet body is: 35: 29, what adopt in this embodiment is that examine a slice body length for 35mm, wide for 29mm, examine that a slice body is whole less, easily carries, more convenient operation.

In this embodiment, the ratio of the distance between the upper limit detection groove and the lower limit detection groove to the width of the check tool sheet body is 20: 29, in this embodiment, the distance between the upper limit detection groove and the lower limit detection groove is 20mm, and the width of the detection tool sheet body is 39 mm.

In this embodiment, in order to avoid the easy loss of the checking fixture sheet, in this embodiment, the circular hole 7 is formed in the checking fixture sheet and used for hanging the checking fixture sheet on the hook, so as to avoid the loss of the checking fixture sheet.

In this embodiment, during the use, will examine a horizontal upper limit detection groove and put into by survey part conical surface position 6, GO end can be plugged in completely and represent part thickness in the tolerance upper limit that the drawing required, then NG end can not be plugged in and represent on part thickness is greater than the tolerance lower limit that the drawing required, then judge qualified, if GO end can not be plugged in or NG end can be plugged in, then represent that the part is unqualified.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the orientations or positional relationships indicated for indicating the positional relationships such as "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, applied in any of the technical aspects of the present disclosure described above are based on the orientations or positional relationships shown in the drawings and are only for convenience of describing the present disclosure, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limiting the present disclosure, and the terms used for indicating the shapes applied in any of the technical aspects of the present disclosure described above are meant to include shapes similar, analogous or approximate thereto unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides a diesel engine blast pipe conical surface thickness special use examines utensil which characterized in that, is including examining a lamellar body, it is provided with upper limit detection groove, lower limit detection groove respectively to examine the left and right sides middle part of lamellar body, upper limit detection groove, lower limit detection groove are the trapezoidal open slot, and the long base of trapezoidal open slot is the open end, the size in upper limit detection groove is greater than the size in lower limit detection groove.

2. The special checking fixture for the conical surface thickness of the exhaust pipe of the diesel engine as claimed in claim 1, wherein the sides of the upper limit detection groove and the lower limit detection groove are respectively engraved with a mark.

3. The special checking fixture for the conical surface thickness of the diesel engine exhaust pipe according to claim 1, wherein the junction of the notch edge of the upper limit detection groove and the lower limit detection groove and the edge of the checking fixture body is in circular arc transition.

4. The special gauge for detecting the conical surface thickness of the diesel engine exhaust pipe as claimed in claim 1, wherein the length of the short bottom edge of the upper limit detection groove is 8.37-8.39mm, and the length of the short bottom edge of the lower limit detection groove is 8.01-8.03 mm.

5. The special gauge for detecting the conical surface thickness of the exhaust pipe of the diesel engine as claimed in claim 1, wherein the included angle between the two waists of the upper limit detection groove is 40.4-40.5 degrees, and the included angle between the two waists of the short bottom edge of the lower limit detection groove is 39.5-39.6 degrees.

6. The diesel engine exhaust pipe conical surface thickness special detection tool according to claim 1, wherein the thickness of the detection tool sheet body is 3-7mm, and the length-width ratio of the detection tool sheet body is as follows: 35: 29.

7. the special gauge for detecting the conical surface thickness of the diesel engine exhaust pipe according to claim 1, wherein the ratio of the distance between the upper limit detection groove and the lower limit detection groove to the width of the gauge sheet body is 20: 29.