CN215064247U - Hole size testing fixture - Google Patents
Hole size testing fixture Download PDFInfo
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- CN215064247U CN215064247U CN202120930858.3U CN202120930858U CN215064247U CN 215064247 U CN215064247 U CN 215064247U CN 202120930858 U CN202120930858 U CN 202120930858U CN 215064247 U CN215064247 U CN 215064247U
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Abstract
The utility model discloses an utensil is examined to hole size, include: the detection block is cube-shaped, and a plurality of groups of detection rods are correspondingly arranged on the opposite surface of the detection block; the axis of the detection rod is perpendicular to the plane of the detection block; each group of detection rods comprises two detection rods, the diameter of the first detection rod is equal to the minimum value of the first aperture, and the diameter of the second detection rod is equal to the maximum value of the first aperture; the first scribed line and the second scribed line are arranged on the outer peripheral surface of the first detection rod, the distance from the end surface of the first detection rod to the first scribed line is equal to the first minimum hole depth value, and the distance from the end surface of the first detection rod to the second scribed line is equal to the first maximum hole depth value. The utility model discloses an utensil is examined to hole size, every group check rod are used for detecting the aperture and the hole depth in a hole. The hole size detection tool is used for detecting the size of the hole, so that a detection result can be conveniently and quickly obtained, and the detection efficiency and accuracy are improved.
Description
Technical Field
The utility model belongs to the technical field of examine the utensil, and especially a hole size examines utensil for detecting hole on furniture plate.
Background
At present, after all plates in the furniture industry are processed with holes, vernier calipers are generally used for carrying out size detection on the processed holes so as to judge whether parameters such as the hole diameter, the hole depth and the hole edge distance of the processed holes meet design requirements or not.
The use of the vernier caliper needs to repeatedly correct a measurement zero point, and frequent sliding, reading and recording are needed when hole parameters such as different hole edge distances (equivalent to the positioning size of a hole on a plate) and the like are measured. When the parameters of holes with various dimensions or holes with the same dimensions are measured on the plate, the measurement mode is complex to operate, the measurement efficiency is low, and the consistency of the measured parameters of different measurers is poor.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model aims to provide an utensil is examined to hole size can be fast, accurately measure the hole margin whether in the tolerance range.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an aperture size gauge, comprising: the detection device comprises a cube-shaped detection block, a plurality of groups of detection rods and a control unit, wherein the detection rods are correspondingly arranged on the opposite surfaces of the detection block; the axis of the detection rod is perpendicular to the plane of the detection block; each group of the detection rods comprises two detection rods, the diameter of the first detection rod is equal to the minimum value of the first aperture, and the diameter of the second detection rod is equal to the maximum value of the first aperture; the first scribed line and the second scribed line are arranged on the outer peripheral surface of the first detection rod, the distance from the end surface of the first detection rod to the first scribed line is equal to a first minimum hole depth value, and the distance from the end surface of the first detection rod to the second scribed line is equal to a first maximum hole depth value.
Further, the distance from the first detection rod axis to the first surface of the detection block parallel to the first detection rod axis is equal to the minimum value of the first hole-edge distance, and the distance from the second detection rod axis to the first surface of the detection block parallel to the second detection rod axis is equal to the maximum value of the first hole-edge distance.
Furthermore, the axis of the first detection rod and the axis of the second detection rod are both parallel to a second surface of the detection block, the second surface of the detection block is perpendicular to the first surface of the detection block, and a first projection reticle and a second projection reticle are respectively arranged on the second surface of the detection block by the axis of the first detection rod and the axis of the second detection rod.
Further, the distance from the first detection rod axis to the second surface of the detection block is equal to a second hole-edge distance minimum value, and the distance from the second detection rod axis to the second surface of the detection block is a second hole-edge distance maximum value.
Further, a third projection reticle and a fourth projection reticle are respectively arranged on the first surface of the detection block on the axis of the first detection rod and the axis of the second detection rod.
Further, the detection rod and the detection block are connected through threads.
Further, the detection rod and the detection block are of an integrated structure.
The hole size testing fixture of the utility model has the advantages that each group of the detection rods is used for detecting the aperture and the hole depth of one hole, if the first detection rod can be inserted into the hole to be tested and the second detection rod can not be inserted into the hole to be tested, the aperture of the hole to be tested meets the technical requirements; when the first detection rod is inserted into the hole to be detected and the height of the end face of the hole to be detected is positioned between the first scribed line and the second scribed line, the hole depth of the hole to be detected meets the technical requirements. The hole size detection tool is used for detecting the size of the hole, so that a detection result can be conveniently and quickly obtained, and the detection efficiency and accuracy are improved.
Drawings
FIG. 1 is a schematic structural view of a hole size gauge provided in an embodiment of the present invention;
FIG. 2 is a schematic front view of a hole size gauge provided in the embodiment of the present invention;
fig. 3 is a schematic top view of a hole size gauge provided in the embodiment of the present invention;
FIG. 4 is a rear view of the hole size testing fixture provided in the embodiment of the present invention;
FIG. 5 is a schematic view of a hole depth measurement using the hole size gauge of the present embodiment;
FIG. 6 is a first schematic view of a hole gauge measuring hole standoff using the present embodiment;
FIG. 7 is a second schematic view of a hole edge distance measurement using the hole size gauge of the present embodiment;
in the figure:
1-detection block; 2. 3, 4-first detecting rod; 2 ', 3 ', 4 ' -second detection bar; 5-hole to be measured.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention is described below clearly and completely with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment. Based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but 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, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such uses are interchangeable under appropriate circumstances.
As shown in the embodiment of fig. 1-7, the utility model provides a hole size testing fixture, include: the detection device comprises a cube-shaped detection block 1, a plurality of groups of detection rods and a control unit, wherein the detection rods are correspondingly arranged on the opposite surfaces of the detection block 1; the axis of the detection rod is perpendicular to the plane of the detection block; each group of detection rods comprises two detection rods, the diameter of the first detection rod is equal to the minimum value of the first aperture, and the diameter of the second detection rod is equal to the maximum value of the first aperture; the first scribed line and the second scribed line are arranged on the outer peripheral surface of the first detection rod, the distance from the end surface of the first detection rod to the first scribed line is equal to the first minimum hole depth value, and the distance from the end surface of the first detection rod to the second scribed line is equal to the first maximum hole depth value.
Referring to fig. 2 to 4, the hole size gauge of the present embodiment includes 3 sets of sensing bars, i.e., a first sensing bar 2 and a second sensing bar 2 ', a first sensing bar 3 and a second sensing bar 3 ', a first sensing bar 4 and a second sensing bar 4 ', the first sensing bar 2, 3 and 4 having diameters equal to respective first minimum hole diameters D2, D3 and D4, and the second sensing bar 2 ', 3 ' and 4 ' having diameters equal to respective first maximum hole diameters D2 ', D3 ' and D4 '.
In the hole size testing fixture of the present example, each set of the detection rods is used for detecting the hole diameter and the hole depth of one hole. And during detection, each group of detection rods are respectively inserted into the corresponding holes to be detected, if the first detection rod can be inserted and the second detection rod cannot be inserted, the diameter of the hole to be detected is within the tolerance range, the diameter of the hole to be detected is judged to be qualified, and otherwise, the diameter of the hole to be detected is not qualified.
One or more sets of first scribed lines and second scribed lines can be disposed on the first detection bar of each set of detection bars of the present embodiment. Referring to fig. 1-4, in the present embodiment, a set of first scribed lines and second scribed lines are disposed on each of the first detection bar 2 and the first detection bar 4, and can be used for detecting a hole depth of a hole to be detected; and the first detection rod 3 is provided with two groups of first scribed lines and second scribed lines, which can be used for detecting the depths of holes to be detected with two different hole depths, the first detection rod is directly inserted into the corresponding hole to be detected during measurement, the end part of the first detection rod is completely overlapped with the bottom surface of the hole, if the end surface of the hole to be detected is between the first scribed line and the second scribed line, which indicates that the depth of the hole to be detected meets the tolerance range, the depth of the hole to be detected is judged to be qualified, otherwise, the hole to be detected is not qualified.
The hole size detection tool of the embodiment is adopted to detect the size of the hole, so that a detection result can be conveniently and quickly obtained, and the detection efficiency and accuracy are improved.
The first scribed line and the second scribed line are preferably arranged in a manner that a groove is formed along the circumferential surface of the first detection rod, and the first scribed line and the second scribed line can be naturally formed on two end surfaces of the canadian.
In this embodiment, the distance from the first detecting rod axis to the first surface of the detecting block 1 parallel thereto is equal to the first hole edge distance minimum value, and the distance from the second detecting rod axis to the first surface of the detecting block 1 parallel thereto is equal to the first hole edge distance maximum value. Specifically, the minimum and maximum values of the first hole edge distances of the first detection lever 2, the second detection lever 2 ', the first detection lever 3, the second detection lever 3', the first detection lever 4, and the second detection lever 4 'of the present example from the axes thereof to the first face of the corresponding detection block are L2 and L2', L3 and L3 ', and L4 and L4', respectively.
The hole size testing fixture of the embodiment is characterized in that the axes of each group of two detection rods are respectively superposed with the axes of corresponding measurement holes, and whether the hole edge distance of the hole meets the technical requirements is judged by observing whether the corresponding side hole edge distance of the hole is between the minimum hole edge distance value and the maximum hole edge distance value. For example, referring to fig. 6 to 7, when the first detection rod 2 and the second detection rod 2' in the present embodiment are used to detect the hole pitch on one side of the hole 5 to be detected, in fig. 6, the axis of the first detection rod 2 coincides with the axis of the hole 5 to be detected, and it can be seen that the hole pitch L of the hole 5 to be detected is greater than L2; in fig. 7, the axis of the second detecting rod 2 'coincides with the axis of the hole 5 to be detected, and it can be seen that the hole pitch L of the hole 5 to be detected is less than L2', and it can be seen that the hole edge pitch of the hole 5 to be detected meets the tolerance requirement.
In this embodiment, the axes of the first detection rods 2, 3, and 4 and the axes of the second detection rods 2 ', 3 ', and 4 ' are both parallel to the second surface of the detection block, the second surface of the detection block is perpendicular to the first surface of the detection block, and the axes of the first detection rods and the second detection rods are respectively provided with a first projection reticle and a second projection reticle on the second surface of the detection block.
The first projection reticle and the second projection reticle are arranged, so that the distance from the hole to be detected to the first surface of the detection block can be conveniently detected.
In this embodiment, the distance from the axis of the first detecting rod 2, 3, 4 to the second surface of the detecting block is equal to the second hole edge distance minimum value, and the distance from the axis of the second detecting rod 2 ', 3 ', 4 ' to the second surface of the detecting block is equal to the second hole edge distance maximum value.
Whether the hole edge distance of the second surface of the hole distance detection block to be detected meets the technical requirements or not can be detected by setting the minimum value and the maximum value of the second hole edge distance.
In the present embodiment, the axes of the first detection bars 2, 3, and 4 and the axes of the second detection bars 2 ', 3 ', and 4 ' are provided with a third projection scribe line and a fourth projection scribe line, respectively, on the first surface of the detection block.
The third projection reticle and the fourth projection reticle are arranged, so that the distance from the hole to be detected to the second surface of the detection block can be conveniently detected.
In this embodiment, the detection rod and the detection block 1 are connected by screw threads. Specifically, can set up multiunit screw thread mounting hole at detection piece 1, the position setting that the screw thread mounting hole was installed according to the needs of every group test rod sets up the internal thread in the screw thread mounting hole, sets up the external screw thread in the one end of test rod, can accomplish the installation of multiunit test rod promptly through the cooperation of inside and outside screw thread.
In other embodiments of the present invention, the detecting rod and the detecting block may be an integral structure. For example, the detection rod and the detection block are integrally formed and then cut.
The following provides examples of using the hole size gauge in this embodiment to inspect various holes in a certain sheet material:
the plate is provided with three holes phi 5, phi 8 and phi 10, and the specific size and tolerance technical requirements are as follows: (unit: mm)
| Hole numbering | Pore size requirement | Hole depth requirement | Hole |
| 1 | 5±0.1 | 12.5±0.5 | 8.5±0.3 |
| 2 | 8±0.1 | 12.5±0.5，20±1 | 37±0.3 |
| 3 | 10±0.1 | 12.5±0.5 | 37±0.3 |
1. And (3) detecting the aperture size:
as in the above table, the diameter of the hole at No. 1 is required to be 5. + -. 0.1mm, and the diameters of the first test rod 4 and the second test rod 4' in the set of test rods are 4.9mm and 5.1mm, respectively, all the test cases are listed in the following table:
2. and (3) detecting the depth size of the hole:
the hole depth of the hole No. 2 is required to be 12.5 +/-0.5 mm and 20 +/-1 mm, then the first detection rod 3 with the diameter D of 7.9mm is designed to be 25mm long, 12mm and 13mm scribed lines and 19mm and 20mm scribed lines are respectively arranged on the circumferential surface of the first detection rod, see for example 5, a schematic diagram of the detection condition with the hole depth of 12.5 +/-0.5 mm, and the end surface of the hole to be detected is between the 12mm scribed line and the 13mm scribed line, so that the hole depth meets the requirement;
3. detecting the hole edge distance:
the hole edge distance of the hole No. 3 is required to be 37 +/-0.3 mm, referring to FIGS. 6-7, 1 first projection scribed line is made on the second surface of the detection block by the axis of the first detection rod 2 with the diameter D of 9.9mm, the distance from the first surface of the detection block is ensured to be 36.7mm, 1 second projection scribed line is made on the second surface of the detection block by the axis of the first detection rod 2 with the diameter D of 10.1mm, the distance from the first surface of the detection block is ensured to be 37.3mm, and as can be seen from FIGS. 6-7, the hole edge distance from the hole to be detected to the first surface of the detection block is 36.7mm < L <37.3mm, so that the requirement is met.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.
Claims (7)
1. A hole size gauge is characterized by comprising: the detection device comprises a cube-shaped detection block, a plurality of groups of detection rods and a control unit, wherein the detection rods are correspondingly arranged on the opposite surfaces of the detection block; the axis of the detection rod is perpendicular to the plane of the detection block; each group of the detection rods comprises two detection rods, the diameter of the first detection rod is equal to the minimum value of the first aperture, and the diameter of the second detection rod is equal to the maximum value of the first aperture; the first scribed line and the second scribed line are arranged on the outer peripheral surface of the first detection rod, the distance from the end surface of the first detection rod to the first scribed line is equal to a first minimum hole depth value, and the distance from the end surface of the first detection rod to the second scribed line is equal to a first maximum hole depth value.
2. The hole size gauge of claim 1, wherein the distance from the first shaft axis to the first face of the sensing block parallel thereto is equal to a first hole pitch minimum, and the distance from the second shaft axis to the first face of the sensing block parallel thereto is equal to a first hole pitch maximum.
3. The hole size gauge of claim 2, wherein the axis of the first sensing bar and the axis of the second sensing bar are both parallel to a second face of the sensing block, the second face of the sensing block being perpendicular to the first face of the sensing block, the axes of the first sensing bar and the second sensing bar providing a first projected scribed line and a second projected scribed line, respectively, on the second face of the sensing block.
4. The hole size gauge of claim 3, wherein the distance from the first shaft axis to the second face of the block is equal to a second hole pitch minimum value and the distance from the second shaft axis to the second face of the block is equal to a second hole pitch maximum value.
5. The hole size gauge of claim 4, wherein the axis of the first detector bar and the axis of the second detector bar provide a third projected score line and a fourth projected score line, respectively, on the first face of the detector block.
6. The hole size gauge of claim 1, wherein the sensing rod and the sensing block are threadably connected.
7. The hole size gauge of claim 1, wherein said sensing rod and said sensing block are of unitary construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930858.3U CN215064247U (en) | 2021-04-30 | 2021-04-30 | Hole size testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930858.3U CN215064247U (en) | 2021-04-30 | 2021-04-30 | Hole size testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215064247U true CN215064247U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120930858.3U Active CN215064247U (en) | 2021-04-30 | 2021-04-30 | Hole size testing fixture |
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| CN (1) | CN215064247U (en) |
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2021
- 2021-04-30 CN CN202120930858.3U patent/CN215064247U/en active Active
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