CN216308853U - Plug gauge for rubber seam allowance diameter - Google Patents
Plug gauge for rubber seam allowance diameter Download PDFInfo
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- CN216308853U CN216308853U CN202122544731.0U CN202122544731U CN216308853U CN 216308853 U CN216308853 U CN 216308853U CN 202122544731 U CN202122544731 U CN 202122544731U CN 216308853 U CN216308853 U CN 216308853U
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- seam allowance
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Abstract
The utility model discloses a plug gauge checking fixture for the diameter of a rubber seam allowance, and relates to the technical field of detection tools; the diameter of the upper cross section of the diameter no-go gauge is uniformly reduced from top to bottom along the length direction of the diameter no-go gauge; the diameter no-go gauge comprises a conical side surface, an upper step surface, a lower step surface and an upper top surface; the upper end of the conical side surface is provided with an even number of upper step surfaces and lower step surfaces along the circumference of the conical side surface, the height of the upper step surfaces is greater than that of the lower step surfaces, and the upper step surfaces and the lower step surfaces are distributed on the circumference of the upper end of the conical side surface in a staggered manner and are spaced at equal angles; the height of the upper top surface is greater than that of the upper step surface, and the upper top surface is positioned between the adjacent upper step surface and the lower step surface; the flat ruler is placed on the two symmetrical upper step surfaces or the two symmetrical lower step surfaces, and two ends of the flat ruler are positioned outside the diameter no-go gauge; the utility model provides a plug gauge checking fixture which can quickly and accurately detect whether the diameter of a rubber seam allowance is qualified or not.
Description
Technical Field
The utility model relates to the technical field of detection tools, in particular to a plug gauge detection tool for the diameter of a rubber seam allowance.
Background
In the prior art, the seam allowance diameter of the cylindrical rubber is usually measured by using a vernier caliper, and due to the particularity of the rubber, referring to fig. 3, the specific position of a measuring point 4 of the seam allowance diameter phi B can be seen as a virtual point in an enlarged view, and the part has a curled arc structure, namely, a radius R is formed on the arc structureCExists, so the measurement result is not accurate if the direct measurement is performed by a vernier caliper; meanwhile, in the measuring process, because the rubber has elasticity and the diameters are different under different tightness conditions, the measurement is difficult; in addition, when the diameter of the rubber seam allowance is detected, the efficiency is too low when the rubber seam allowance is measured by a vernier caliper one by one; therefore, a plug gauge tool capable of rapidly and accurately detecting whether the diameter of the rubber seam allowance is qualified is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of how to realize a plug gauge checking fixture which can quickly and accurately detect whether the diameter of a rubber seam allowance is qualified.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a plug gauge checking fixture for the diameter of a rubber seam allowance, which comprises a conical diameter no-go gauge, wherein the diameter of the upper cross section of the diameter no-go gauge is uniformly reduced from top to bottom along the length direction of the diameter no-go gauge;
the diameter no-go gauge comprises a conical side surface, an upper step surface and a lower step surface; the upper end of the conical side surface is provided with a plurality of upper step surfaces and a plurality of lower step surfaces along the circumference of the conical side surface, and the height of the upper step surfaces is greater than that of the lower step surfaces.
When the diameter stopping gauge is used, the conical diameter stopping gauge is used for placing one end with a smaller cross section diameter in a rubber sample to be detected, the conical side face of the diameter stopping gauge is attached to a seam allowance of the rubber sample to be detected, stability of all aspects of the diameter stopping gauge is guaranteed, then the positions of the upper top face, the plurality of upper step faces and the plurality of lower step faces of the rubber sample to be detected are observed, and if the upper top face of the rubber sample to be detected is located between the upper step face and the lower step faces, the seam allowance diameter of the rubber sample to be detected is qualified.
Preferably, the diameter no-go gauge further comprises a plurality of upper top surfaces, and the height of each upper top surface is greater than that of the upper step surface.
Preferably, the number of the upper step surfaces and the number of the lower step surfaces are both even; the upper step surface and the lower step surface are distributed in a staggered manner on the circumference of the upper end of the conical side surface; and the upper step surface and the lower step surface are distributed at equal angles at intervals on the circumference of the upper end of the conical side surface.
Preferably, the upper top surface is located between the adjacent upper step surface and the lower step surface.
Preferably, the number of the upper top surfaces is eight, and the number of the upper step surfaces and the number of the lower step surfaces are four.
Preferably, the diameter no-go gauge is a pipe type with a hollow inner part, and the cross section of the pipe type is circular.
Preferably, the diameter no-go gauge is aluminum.
Preferably, the tapered side surface is a smooth surface.
Preferably, the diameter no-go gauge is of a one-piece construction.
Preferably, the plug gauge checking fixture further comprises a flat ruler, the flat ruler is placed on the two symmetrical upper step surfaces or the two symmetrical lower step surfaces, the length direction of the flat ruler is the diameter direction of the cross section of the diameter no-go gauge, and two ends of the flat ruler are located outside the diameter no-go gauge and located on the upper top surface of the rubber sample to be detected.
Therefore, the utility model has the advantages that:
1. when the diameter stopping gauge is used, the conical diameter stopping gauge is used for placing one end with a smaller cross section diameter in a rubber sample to be detected, the conical side face of the diameter stopping gauge is attached to a seam allowance of the rubber sample to be detected, stability of all aspects of the diameter stopping gauge is guaranteed, then the positions of the upper top face, the plurality of upper step faces and the plurality of lower step faces of the rubber sample to be detected are observed, and if the upper top face of the rubber sample to be detected is located between the upper step face and the lower step faces, the seam allowance diameter of the rubber sample to be detected is qualified.
2. The upper top surface can protect the upper step surface and the lower step surface from being abraded in the detection process, the detection accuracy is improved, and meanwhile, the diameter stop gauge is convenient to take and place.
3. When the diameter no-go gauge is placed on the rubber sample to be detected, the diameter no-go gauge can be preliminarily adjusted by roughly observing the positions of the symmetrical upper step surface or lower step surface and the upper top surface of the rubber sample to be detected, so that the diameter no-go gauge is stably placed on the rubber sample to be detected; meanwhile, when the deviation between the upper top surface of the rubber sample to be detected and the upper step surface or the lower step surface is too small, the rubber sample to be detected is difficult to observe by naked eyes, the flat ruler is stably placed on the upper step surface, the lower step surface or the upper top surface of the rubber sample to be detected which are symmetrically distributed, and whether the diameter of the seam allowance of the rubber sample to be detected is qualified or not is judged by observing the positions of the two ends of the flat ruler and the upper top surface of the rubber sample to be detected.
Drawings
FIG. 1 is a schematic perspective view of a diameter no-go gauge in a plug gauge tool for measuring the diameter of a rubber seam allowance in an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view of a diameter no-go gauge in a plug gauge testing tool for rubber seam allowance diameter, which is matched with a rubber sample to be detected in the embodiment of the utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic perspective view of a diameter no-go gauge and a ruler in the plug gauge tool for measuring the diameter of a rubber seam allowance in the embodiment of the utility model;
FIG. 5 is a schematic cross-sectional view of a diameter no-go gauge and a leveling rod in the plug gauge testing tool for rubber seam allowance diameter, which are matched with a rubber sample to be tested in the embodiment of the utility model.
The reference numbers in the figures illustrate: 1. a diameter no-go gauge; 11. an upper top surface; 12. an upper step surface; 13. a lower step surface; 14. a tapered side; 2. leveling; 3. detecting a rubber sample; 4. and measuring the diameter phi B of the seam allowance.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b):
referring to fig. 1 to 5, the utility model discloses a plug gauge for rubber seam allowance diameter, which comprises a diameter stop gauge 1 and a flat rule 2; the diameter no-go gauge 1 is conical, the diameter of the cross section of the diameter no-go gauge is uniformly reduced from top to bottom along the length direction of the diameter no-go gauge, and the flat ruler 2 is plate-shaped; the diameter no-go gauge 1 is placed on a rubber sample 2 to be detected, the flat ruler 2 is placed on the diameter no-go gauge 1, the length direction of the flat ruler 2 is the diameter direction of the cross section of the diameter no-go gauge 1, and two ends of the flat ruler 2 are located outside the diameter no-go gauge 1.
Referring to fig. 1, the diameter no-go gauge 1 includes an upper top surface 11, an upper step surface 12, a lower step surface 13, and a tapered side surface 14; the side surface of the diameter no-go gauge 1 is a conical side surface 14, the upper end of the conical side surface 14 is provided with a plurality of upper step surfaces 12 and a plurality of lower step surfaces 13 along the circumference, and the height of the upper step surfaces 12 is greater than that of the lower step surfaces 13; the upper top surface 11 is positioned at the top end of the diameter no-go gauge 1, and the height of the upper top surface 11 is greater than that of the upper step surface 12.
Referring to fig. 1, the number of the upper step surfaces 12 and the lower step surfaces 13 is even, and the upper step surfaces 12 and the lower step surfaces 13 are distributed on the circumference of the upper end of the tapered side surface 14 in a staggered manner and are spaced from each other at equal angles; the upper top surface 11 is positioned between the adjacent upper step surface 12 and lower step surface 13; that is, the upper step surfaces 12 are symmetrically distributed on the circumference of the upper end of the tapered side surface 14, and the lower step surfaces 13 are also symmetrically distributed on the circumference of the upper end of the tapered side surface 14.
In the present embodiment, the number of the upper top surfaces 11 is eight, and the number of the upper step surfaces 12 and the lower step surfaces 13 is four.
Referring to fig. 1, in the present embodiment, the diameter no-go gauge 1 is made of aluminum and is a pipe shape with a hollow inside and a circular cross section; while the tapered side 14 is also smooth; and the diameter no-go gauge 1 is an integrally formed structure.
Referring to fig. 4 and 5, the flat ruler 2 is placed on two symmetrical upper step surfaces 12 or two symmetrical lower step surfaces 13, the length direction of the flat ruler 2 is the diameter direction of the cross section of the diameter no-go gauge 1, and two ends of the flat ruler 2 are located outside the diameter no-go gauge 1 and on the upper top surface of the rubber sample 3 to be detected.
The working principle is as follows:
referring to fig. 1 to 5, it can be seen in fig. 2 and 3 that the specific location of the measurement point 4 of the sub-orifice diameter Φ B is a virtual point, which has a curved arc structure of a bead, i.e., a radius R thereonCExists, so the measurement result is not accurate if the direct measurement is performed by a vernier caliper; the utility model discloses a detection method of a plug gauge for rubber seam allowance diameter, which comprises the following steps:
s1: vertically placing the diameter no-go gauge 1 into a seam allowance of a rubber sample 3 to be detected, wherein the end with the smaller diameter of the cross section of the diameter no-go gauge 1 faces downwards, and the conical side face of the diameter no-go gauge 1 is attached to the seam allowance of the rubber sample 3 to be detected, so that the diameter no-go gauge 1 is stable in all aspects;
s2: secondly, primarily adjusting the diameter no-go gauge by approximately observing the positions of the symmetrical upper step surface or the symmetrical lower step surface and the upper top surface of the rubber sample to be detected, thereby ensuring that the diameter no-go gauge is stably placed on the rubber sample to be detected;
s3: then, observing the positions of the upper top surface of the rubber sample 3 to be detected and the plurality of upper step surfaces 12 and the plurality of lower step surfaces 13, wherein if the upper top surface of the rubber sample 3 to be detected is positioned between the upper step surfaces 12 and the lower step surfaces 13, the diameter of the seam allowance of the rubber sample 3 to be detected is qualified; if the upper top surface of the rubber sample 3 to be detected is positioned above the upper step surface 12 or below the lower step surface 13, the diameter of the seam allowance of the rubber sample 3 to be detected is unqualified;
s4: when the deviation between the upper top surface of the rubber sample 3 to be detected and the upper step surface 12 or the lower step surface 13 is too small, the rubber sample is difficult to observe by naked eyes, the flat ruler is stably placed on the upper step surface and the lower step surface which are symmetrically distributed or the upper top surface of the rubber sample to be detected, and whether the diameter of the seam allowance of the rubber sample 3 to be detected is qualified or not is judged by observing the positions of the two ends of the flat ruler 2 and the upper top surface of the rubber sample 3 to be detected.
In S4, if the flat ruler 2 is not in contact with the two symmetrical upper step surfaces 12 when the flat ruler 2 is placed on the upper step surface 12 of the diameter no-go gauge 1, but the two ends of the flat ruler 2 are in contact with the upper top surface of the rubber sample 3 to be detected, the seam allowance diameter of the rubber sample 3 to be detected is unqualified; if the flat ruler 2 is placed on the upper step surface 12 of the diameter no-go gauge 1, the flat ruler 2 is in contact with the two symmetrical upper step surfaces 12, and the diameter of the seam allowance of the rubber sample 3 to be detected is qualified when the upper top surface of the rubber sample 3 to be detected is close to the flat ruler 2, is positioned below the flat ruler 2 and is obviously higher than the lower step surface 13; if the flat ruler 2 is placed on the lower step surface 13 of the diameter no-go gauge 1, the flat ruler 2 is not in contact with the two symmetrical lower step surfaces 13, but two ends of the flat ruler 2 are in contact with the upper top surface of the rubber sample 3 to be detected, and then the diameter of the seam allowance of the rubber sample 3 to be detected is qualified; if the flat ruler 2 is placed on the lower step surface 13 of the diameter no-go gauge 1, the flat ruler 2 is in contact with the two symmetrical lower step surfaces 13, the upper top surface of the rubber sample 3 to be detected is close to the flat ruler 2 and is located below the flat ruler 2, and then the diameter of the seam allowance of the rubber sample 3 to be detected is unqualified.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a plug gauge of rubber bead diameter examines utensil which characterized in that: the diameter of the upper cross section of the diameter no-go gauge (1) is uniformly reduced from top to bottom along the length direction of the diameter no-go gauge (1);
the diameter no-go gauge (1) comprises a conical side surface (14), an upper step surface (12) and a lower step surface (13); the upper end of the conical side surface (14) is provided with a plurality of upper step surfaces (12) and a plurality of lower step surfaces (13) along the circumference of the conical side surface, and the height of the upper step surfaces (12) is larger than that of the lower step surfaces (13).
2. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the diameter no-go gauge (1) further comprises a plurality of upper top surfaces (11), and the height of the upper top surfaces (11) is larger than that of the upper step surfaces (12).
3. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the number of the upper step surfaces (12) and the number of the lower step surfaces (13) are even; the upper step surface (12) and the lower step surface (13) are distributed on the circumference of the upper end of the conical side surface (14) in a staggered manner; and the upper step surface (12) and the lower step surface (13) are distributed at equal angles at intervals on the circumference of the upper end of the conical side surface (14).
4. The plug gauge tool for the diameter of the rubber seam allowance of claim 2, wherein: the upper top surface (11) is positioned between the adjacent upper step surface (12) and the lower step surface (13).
5. The plug gauge tool for the diameter of the rubber seam allowance of claim 4, wherein: the number of the upper top surfaces (11) is eight, and the number of the upper step surfaces (12) and the number of the lower step surfaces (13) are four respectively.
6. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the diameter no-go gauge (1) is a pipe type with a hollow inner part, and the cross section of the diameter no-go gauge is circular.
7. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the diameter no-go gauge (1) is made of aluminum.
8. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the tapered side surface (14) is a smooth surface.
9. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the diameter no-go gauge (1) is of an integrated structure.
10. The plug gauge tool for the diameter of the rubber seam allowance of claim 1, wherein: the plug gauge detection tool further comprises a flat ruler (2), the flat ruler (2) is placed on the two symmetrical upper step surfaces (12) or the two symmetrical lower step surfaces (13), the length direction of the flat ruler (2) is the diameter direction of the cross section of the diameter no-go gauge (1), and two ends of the flat ruler (2) are located outside the diameter no-go gauge (1) and located on the upper top surface (11) of the rubber sample piece (3) to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544731.0U CN216308853U (en) | 2021-10-21 | 2021-10-21 | Plug gauge for rubber seam allowance diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544731.0U CN216308853U (en) | 2021-10-21 | 2021-10-21 | Plug gauge for rubber seam allowance diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216308853U true CN216308853U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122544731.0U Active CN216308853U (en) | 2021-10-21 | 2021-10-21 | Plug gauge for rubber seam allowance diameter |
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| CN (1) | CN216308853U (en) |
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2021
- 2021-10-21 CN CN202122544731.0U patent/CN216308853U/en active Active
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