CN212378659U - Counter bore height detection frock - Google Patents
Counter bore height detection frock Download PDFInfo
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- CN212378659U CN212378659U CN202021363229.9U CN202021363229U CN212378659U CN 212378659 U CN212378659 U CN 212378659U CN 202021363229 U CN202021363229 U CN 202021363229U CN 212378659 U CN212378659 U CN 212378659U
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- measuring rod
- circular table
- table part
- counter bore
- vernier
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Abstract
The utility model discloses a counter bore height detection tool, which comprises a straight strip-shaped measuring rod, a circular table part inserted into the counter bore for positioning and a vernier, wherein the vernier is sleeved outside the measuring rod and is in sliding fit with the measuring rod; at least one circular table part is arranged, the measuring rod is provided with scale marks corresponding to the circular table part, and the scale marks are arranged on the surface of the measuring rod and are parallel to the length direction of the measuring rod; the zero scale of the scale mark is positioned on the surface of the measuring rod, the zero scale is positioned above the bottom surface of the circular table part, and the distance between the zero scale and the bottom surface of the circular table part is equal to the thickness of the vernier. Has the advantages that: the inserting rod is inserted into the hole to be detected, and after the circular truncated cone portion is matched with the conical counter bore, the depth of the counter bore can be quickly determined through the reading corresponding to the cursor, so that the counter bore detection efficiency is improved, and the detection operation is convenient; after a plurality of round platforms are arranged, the tool can be matched with fastener fixing holes with various diameters for use, and therefore the practicability of the tool is improved.
Description
Technical Field
The utility model relates to a mechanical workpiece measuring tool technical field, concretely relates to counter bore height detection frock.
Background
In the field of machining, in order to improve the flatness of the surface of a workpiece, a counter bore is formed at the head of a fastener, and the counter bore can be a stepped hole or a tapered hole. If the depth of the counter bore is shallow, the flatness of the workpiece is difficult to ensure when the fastener cannot be completely immersed in the counter bore; if the depth of the counter bore is deeper, the processing difficulty is increased, the processing efficiency is low, and the yield of the workpiece is easy to reduce. Therefore, depth measurement is required after the counter bores are machined, so that the consistency of the machining depth of the counter bores is ensured. In the prior art, no measuring equipment for conveniently measuring the depth of a counter bore, particularly the depth of a conical bore, exists. Therefore, the applicant proposes a measuring tool which is convenient for measuring the height of the conical counter bore.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a counter bore height detection frock just for solving above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: the height of the conical counter bore can be rapidly measured, the detection efficiency is improved, the use is convenient, and the like, and the technical effects are described in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a counter bore height detection tool, which comprises a straight strip-shaped measuring rod, a circular table part inserted into the counter bore for positioning and a vernier, wherein the vernier is sleeved outside the measuring rod and is in sliding fit with the measuring rod;
at least one circular table part is arranged, the measuring rod is provided with scale marks corresponding to the circular table part, and the scale marks are arranged on the surface of the measuring rod and are parallel to the length direction of the measuring rod; the zero scale of the scale mark is positioned on the surface of the measuring rod, the zero scale is positioned above the bottom surface of the circular table part, and the distance between the zero scale and the bottom surface of the circular table part is equal to the thickness of the vernier.
Preferably, the upper bottom of the circular truncated cone portion faces downward, and a hole diameter comparison line is formed on the surface of the circular truncated cone portion in the circumferential direction, the hole diameter comparison line is provided with n holes, and the circular truncated cone portion is divided into n +1 measuring portions.
Preferably, the scale lines are provided with n +1 lines corresponding to the measuring part, and the scale lines are uniformly distributed in the circumferential direction of the measuring rod.
Preferably, the positions of the top of the measuring rod corresponding to the scale marks are respectively provided with an identification mark.
Preferably, the vernier comprises a cover plate and a sliding ring, the sliding ring is arranged in the center of the top of the cover plate, a through hole corresponding to the sliding ring is formed in the cover plate, and the sliding ring and the through hole are in clearance fit with the measuring rod.
Preferably, the measuring rod, the circular table portion and the vernier are all made of aluminum alloy materials.
Preferably, the bottom of the measuring rod is provided with an inserted rod, and the inserted rod and the measuring rod are integrally formed.
To sum up, the utility model has the advantages that: 1. the inserting rod is inserted into the hole to be detected, and after the circular truncated cone portion is matched with the conical counter bore, the depth of the counter bore can be quickly determined through the reading corresponding to the cursor, so that the counter bore detection efficiency is improved, and the detection operation is convenient;
2. after a plurality of round platforms are arranged, the tool can be matched with fastener fixing holes with various diameters for use, and therefore the practicability of the tool is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the measuring rod of the present invention;
FIG. 3 is a schematic view of the cursor of the present invention;
fig. 4 is a schematic top view of the structure of fig. 3.
The reference numerals are explained below:
1. inserting a rod; 2. a circular table portion; 3. a measuring rod; 4. scale lines; 5. a cursor; 51. a cover plate; 52. a slip ring; 6. and identifying the mark.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a counter bore height detection tool, which comprises a straight strip-shaped measuring rod 3, a circular table part 2 inserted into the counter bore for positioning and a vernier 5, wherein the vernier 5 is sleeved outside the measuring rod 3 and is in sliding fit with the measuring rod 3; at least one circular table part 2 is arranged, the measuring rod 3 is provided with scale marks 4 corresponding to the circular table part 2, and the scale marks 4 are arranged on the surface of the measuring rod 3 and are parallel to the length direction of the measuring rod 3; the zero scale of the scale mark 4 is positioned on the surface of the measuring rod 3, the zero scale is positioned above the bottom surface of the circular table part 2, and the distance between the zero scale and the bottom surface of the circular table part is equal to the thickness of the vernier 5. During the use, insert round platform portion 2 in the counter bore, make the bottom of round platform portion 2 and the bottom laminating of counter bore, vernier 5 upwards passes and stops along measuring stick 3 along with the process that round platform portion 2 inserted the counter bore, and vernier 5 stops the back, and the corresponding position of vernier 5 top and scale mark 4 is the degree of depth of counter bore.
As an alternative embodiment, the upper bottom of the circular truncated cone portion 2 faces downward, and the surface of the circular truncated cone portion 2 is circumferentially formed with aperture comparison lines, the aperture comparison lines are provided with n, and divide the circular truncated cone portion 2 into n +1 measurement portions; n +1 scale marks are arranged on the scale marks 4 corresponding to the measuring part, and the scale marks 4 are uniformly distributed on the circumference of the measuring rod 3; the aperture comparison line is provided with 3, so that the circular table part 2 is divided into four measuring parts, and the measuring parts respectively correspond to fixing part holes of 6 mm, 8 mm, 10 mm and 12mm, so that after the circular table part 2 is inserted into the counter bore, when measuring counter bores corresponding to the fixing part holes of 6 mm, 8 mm, 10 mm and 12mm respectively, the bottom surface of the measuring part is attached to the bottom surface of the counter bore; the bottom surface of the measuring part can be made into a required diameter according to actual requirements;
the positions of the top of the measuring rod 3, which correspond to the scale marks 4, are respectively provided with an identification mark 6, the identification marks 6 are grooves formed on the top of the corresponding scale marks 4, and colored paint can be painted in the grooves to increase the identification degree, so that the measuring part corresponding to the scale marks 4 can be determined;
the vernier 5 comprises a cover plate 51 and a sliding ring 52, the sliding ring 52 is arranged in the center of the top of the cover plate 51, a through hole corresponding to the sliding ring 52 is formed in the cover plate 51, the sliding ring 52 and the through hole are in clearance fit with the measuring rod 3, and the cover plate 51 is arranged to be larger than the top of the largest counter bore, namely the cover plate 51 completely covers the top of the counter bore, so that the vertical state of the measuring rod 3 is ensured, and the measuring accuracy of the height of the counter bore is improved;
the measuring rod 3, the circular table part 2 and the vernier 5 are all made of aluminum alloy materials, and the aluminum alloy materials are light in weight and good in strength, so that the portability and the operability of the tool can be improved;
the bottom of the measuring rod 3 is provided with an inserting rod 1, the inserting rod 1 and the measuring rod 3 are integrally formed, the inserting rod 1 is inserted into the fixing part hole, and the tool can be conveniently positioned so as to be conveniently subjected to measuring operation.
The inserting rod 1 is inserted into a hole to be detected, and after the circular table part 2 is matched with the conical counter bore, the depth of the counter bore can be quickly determined through the reading corresponding to the cursor 5, so that the counter bore detection efficiency is improved, and the detection operation is convenient and fast; after a plurality of round platforms are arranged, the tool can be matched with fastener fixing holes with various diameters for use, and therefore the practicability of the tool is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A counter bore height detection tool is characterized by comprising a straight strip-shaped measuring rod (3), a circular table part (2) inserted into the counter bore for positioning and a vernier (5), wherein the vernier (5) is sleeved on the outer side of the measuring rod (3) and is in sliding fit with the measuring rod (3);
at least one circular table part (2) is arranged, the measuring rod (3) is provided with scale marks (4) corresponding to the circular table part (2), and the scale marks (4) are arranged on the surface of the measuring rod (3) and are parallel to the length direction of the measuring rod (3); the zero scale of the scale mark (4) is positioned on the surface of the measuring rod (3), the zero scale is positioned above the bottom surface of the circular table part (2), and the distance between the zero scale and the bottom surface of the circular table part is equal to the thickness of the vernier (5).
2. The counterbore height detection tool according to claim 1, characterized in that: the upper bottom of the circular table part (2) faces downwards, and the surface circumference of the circular table part (2) is provided with aperture comparison lines, wherein n aperture comparison lines are arranged, and the circular table part (2) is divided into n +1 measuring parts.
3. The counterbore height detection tool according to claim 2, characterized in that: the scale marks (4) are provided with n +1 strips corresponding to the measuring part, and the scale marks (4) are uniformly distributed in the circumferential direction of the measuring rod (3).
4. The counterbore height detection tool according to claim 1, characterized in that: and the positions of the top of the measuring rod (3) corresponding to the scale marks (4) are respectively provided with an identification mark (6).
5. The counterbore height detection tool according to claim 1, characterized in that: the vernier (5) comprises a cover plate (51) and a sliding ring (52), the sliding ring (52) is arranged in the center of the top of the cover plate (51), a through hole corresponding to the sliding ring (52) is formed in the cover plate (51), and the sliding ring (52) and the through hole are in clearance fit with the measuring rod (3).
6. The counterbore height detection tool according to claim 1, characterized in that: the measuring rod (3), the circular table part (2) and the vernier (5) are all made of aluminum alloy materials.
7. The counterbore height detection tool according to claim 1, characterized in that: the bottom of the measuring rod (3) is provided with an inserted rod (1), and the inserted rod (1) and the measuring rod (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021363229.9U CN212378659U (en) | 2020-07-13 | 2020-07-13 | Counter bore height detection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021363229.9U CN212378659U (en) | 2020-07-13 | 2020-07-13 | Counter bore height detection frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212378659U true CN212378659U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021363229.9U Active CN212378659U (en) | 2020-07-13 | 2020-07-13 | Counter bore height detection frock |
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| CN (1) | CN212378659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532235A (en) * | 2021-07-30 | 2021-10-22 | 江西昌河航空工业有限公司 | Tool and method for measuring center inner diameter of O-shaped sealing ring |
-
2020
- 2020-07-13 CN CN202021363229.9U patent/CN212378659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532235A (en) * | 2021-07-30 | 2021-10-22 | 江西昌河航空工业有限公司 | Tool and method for measuring center inner diameter of O-shaped sealing ring |
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