CN109931852A - Blind hole depth supplemental measurement tool and blind hole depth measuring device - Google Patents
Blind hole depth supplemental measurement tool and blind hole depth measuring device Download PDFInfo
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- CN109931852A CN109931852A CN201910148307.9A CN201910148307A CN109931852A CN 109931852 A CN109931852 A CN 109931852A CN 201910148307 A CN201910148307 A CN 201910148307A CN 109931852 A CN109931852 A CN 109931852A
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- transiting rod
- mounting cylinder
- blind hole
- supplemental measurement
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of blind hole depth supplemental measurement tool and blind hole depth measuring devices.The blind hole depth supplemental measurement tool includes mounting cylinder, transiting rod, reset spring and threaded pressure ring, and transiting rod is coaxially inserted into mounting cylinder.Mounting cylinder can be inserted into blind hole to be measured in measurement, it is affixed benchmark outward flange with workpiece surface, the end face of the second end of the measuring rod of micrometric depth gauge and transiting rod is offseted, transiting rod is pushed to by measuring rod and is contacted with blind via bottom, due to before mounting cylinder is inserted into blind hole, the distance between the end face of the first end of transiting rod and benchmark outward flange can be obtained ahead of time, adjusting the distance that micrometric depth gauge pushes transiting rod mobile can be obtained by micrometric depth gauge, the distance between the end face of the first end of transiting rod and benchmark outward flange, adjust micrometric depth gauge promotion transiting rod movement is the depth of blind hole apart from sum of the two.The range of micrometric depth gauge is improved, can fathom bigger blind hole.
Description
Technical field
The present invention relates to measuring tool field, in particular to a kind of blind hole depth supplemental measurement tool and blind hole depth measurement
Device.
Background technique
Blind hole is the hole of the surface layer and internal layer of connection workpiece without penetrating through workpiece.Such as part inserts the hole of stud.
It usually requires to measure the depth of blind hole after workpiece surface drills out blind hole, to facilitate other structures and blind hole
Cooperation.
The depth of micrometric depth gauge measurement blind hole is generallyd use at present, and the range of micrometric depth gauge is usually smaller, one
As only 100mm, the biggish micrometric depth gauge of range also only has 300mm or so, can not measure to deeper blind hole.
Summary of the invention
The embodiment of the invention provides a kind of blind hole depth supplemental measurement tool and blind hole depth measuring devices, are capable of increasing
The range of micrometric depth gauge.The technical solution is as follows:
On the one hand, the embodiment of the invention provides a kind of blind hole depth measuring devices, including mounting cylinder, transiting rod, reset
Spring and threaded pressure ring, have benchmark outward flange on the outer wall of the mounting cylinder, and the first end of the mounting cylinder has in limit
Flange, the transiting rod are coaxially inserted into the mounting cylinder, and the first end of the transiting rod is located at the first of the mounting cylinder
End is outer, and the second end of the transiting rod is located in the mounting cylinder, has limit outward flange on the outer wall of the transiting rod, described
Reset spring is coaxially set in outside the transiting rod, and the both ends of the reset spring are born against in the limit outward flange and institute
It states on limit inward flange, the threaded pressure ring is located in the mounting cylinder, the inner wall spiral shell of the threaded pressure ring and the mounting cylinder
Line connection, the threaded pressure ring contacts with the limit outward flange, and the limit outward flange is located at the threaded pressure ring and described
Between reset spring.
Optionally, there is zeroing graduation mark on the outer wall of the transiting rod.
Optionally, along the end face of the axial direction of the transiting rod second end of the zeroing graduation mark to the transiting rod away from
It is equidistant from mounting cylinder both ends end faces.
Optionally, the supplemental measurement tool includes the different transiting rod of more root long degree.
Optionally, the end face of the first end of the transiting rod is spherical convex surface.
Optionally, the difference of the outer diameter of the internal diameter and transiting rod of the limit inward flange is no more than 0.1mm.
It optionally, further include protective cover, the protective cover is removably disposed in the second end of the mounting cylinder.
Optionally, gasket seal is folded between the protective cover and the second end end face of the mounting cylinder.
Optionally, the supplemental measurement tool is hardware.
On the other hand, the embodiment of the invention provides a kind of blind hole depth measuring device, the blind hole depth measuring device packets
Include blind hole depth supplemental measurement tool as described in relation to the first aspect.
Technical solution bring beneficial effect provided in an embodiment of the present invention includes at least: by the way that mounting cylinder, transition is arranged
Bar and reset spring, the first end of mounting cylinder have limit inward flange, and transiting rod is coaxially inserted into mounting cylinder, outside transiting rod
There is limit outward flange, reset spring is coaxially set in outside transiting rod, and the both ends of reset spring bear against outer in limit on wall
On flange and limit inward flange, by the way that threaded pressure ring is arranged, limit outward flange can be pressed on reset spring by threaded pressure ring.By
It is located at outside the first end of mounting cylinder in the first end of transiting rod, in this way when pushing the second end of transiting rod, reset spring compression
Amount changes, and the length that the first end of transiting rod stretches out mounting cylinder will change.Due to having on the outer wall of mounting cylinder
Benchmark outward flange, measurement when the first end of mounting cylinder can be inserted into blind hole to be measured, make benchmark outward flange with
Workpiece surface is affixed, and then utilizes micrometric depth gauge, the pedestal of micrometric depth gauge is close to the end face of the second end of mounting cylinder,
The end face of the second end of the measuring rod of micrometric depth gauge and transiting rod is offseted, then adjusts micrometric depth gauge, it will by measuring rod
Transiting rod is pushed to be contacted with blind via bottom, due to before mounting cylinder is inserted into blind hole, the end of the first end of transiting rod
The distance between face and benchmark outward flange can be obtained ahead of time, such as be obtained by measurement, adjust micrometric depth gauge and push transition
The mobile distance of bar can be obtained by micrometric depth gauge, between the end face and benchmark outward flange of the first end of transiting rod away from
From, adjust micrometric depth gauge push transiting rod it is mobile with a distance from sum of the two be blind hole depth.Improve micrometric depth gauge
Range, can fathom bigger blind hole.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of blind hole depth supplemental measurement tool provided in an embodiment of the present invention；
Fig. 2 is a kind of use state diagram of blind hole depth measuring device provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of blind hole depth supplemental measurement tool provided in an embodiment of the present invention.Such as Fig. 1 institute
Show, which includes mounting cylinder 10, transiting rod 20, reset spring 30 and threaded pressure ring 40.
There is benchmark outward flange 11, the first end of mounting cylinder 10 has limit inward flange 12 on the outer wall of mounting cylinder 10.
Transiting rod 20 is coaxially inserted into mounting cylinder 10, and the first end of transiting rod 20 is located at outside the first end of mounting cylinder 10,
The second end of transiting rod 20 is located in mounting cylinder 10.There is limit outward flange 21 on the outer wall of transiting rod 20.
Reset spring 30 is coaxially set in outside transiting rod 20, and the both ends of reset spring 30 are born against in limit outward flange 21
On limit inward flange 12.Threaded pressure ring 40 is located in mounting cylinder 10.Threaded pressure ring 40 is connect with the inner thread of mounting cylinder 10,
Threaded pressure ring 40 is contacted with limit outward flange 21, limits outward flange 21 between threaded pressure ring 40 and reset spring 30.
By setting mounting cylinder, transiting rod and reset spring, the first end of mounting cylinder has limit inward flange, and transiting rod is same
Axis is inserted into mounting cylinder, has limit outward flange on the outer wall of transiting rod, and reset spring is coaxially set in outside transiting rod, is resetted
The both ends of spring bear against limit outward flange and limit inward flange on, by be arranged threaded pressure ring, threaded pressure ring can will
Limit outward flange is pressed on reset spring.Since the first end of transiting rod is located at outside the first end of mounting cylinder, pushing in this way
When crossing the second end of bar, reset spring decrement changes, and the length that the first end of transiting rod stretches out mounting cylinder will occur
Variation.Due on the outer wall of mounting cylinder have benchmark outward flange, measurement when the first end of mounting cylinder can be inserted into
It in the blind hole of measurement, is affixed benchmark outward flange with workpiece surface, micrometric depth gauge is then utilized, by the pedestal of micrometric depth gauge
It is close to the end face of the second end of mounting cylinder, the end face of the second end of the measuring rod of micrometric depth gauge and transiting rod is offseted, then
Adjust micrometric depth gauge, transiting rod is pushed to by measuring rod and is contacted with blind via bottom, due to mounting cylinder is inserted into it is blind
Before in hole, the distance between the end face of the first end of transiting rod and benchmark outward flange can be obtained ahead of time, such as pass through measurement
It obtains, adjusting the distance that micrometric depth gauge pushes transiting rod mobile can be obtained by micrometric depth gauge, the first end of transiting rod
The distance between end face and benchmark outward flange, adjust micrometric depth gauge and push transiting rod it is mobile at a distance from sum of the two it is as blind
The depth in hole.The range of micrometric depth gauge is improved, can fathom bigger blind hole.
As shown in Figure 1, can have zeroing graduation mark 20a on the outer wall of transiting rod 20.Benchmark outward flange 11 and transiting rod
Distance of the end face of 20 first end in 20 axial direction of transiting rod is that H is pushed by turning threaded pressure ring 40 by threaded pressure ring 40
Outward flange 21 is limited, transiting rod 20 is axially moveable, and it is aligned zeroing graduation mark 20a with the end face of the first end of mounting cylinder 10,
H at this time is recorded, turns threaded pressure ring 40 when using blind hole depth supplemental measurement tool every time in this way, makes the graduation mark that returns to zero
After 20a is aligned with the end face of the first end of mounting cylinder 10, so that it may know the first of benchmark outward flange 11 at this time and transiting rod 20
Distance of the end face at end in 20 axial direction of transiting rod is H, without measuring again.It after measurement is complete, can be with
Threaded pressure ring 40 is turned, reset spring 30 is extended, reset spring 30 is avoided to be pressurized and relaxation of deformation for a long time, or can also be with
The blind hole depth supplemental measurement tool is disassembled, reset spring 30 is taken out, is assembled again when in use.
Optionally, the distance d of the end face of the second end along the axial zeroing graduation mark 20a of transiting rod 20 to transiting rod 20 and
The distance D of 10 both ends end face of mounting cylinder can be equal.In this way in the end face that will return to zero graduation mark 20a and the first end of mounting cylinder 10
After alignment, the end face of the second end of transiting rod 20 can be made concordant with the end face of the second end of mounting cylinder 10.It, will be deep in measurement
When on the end face for the second end that the pedestal of degree micrometer is tightly attached to mounting cylinder 10, micrometric depth gauge is in 0 scale, micrometric depth gauge
End face of the end face just with the second end of transiting rod 20 of measuring rod offset, the scale of such micrometric depth gauge can be more
Directly reflect the distance that measuring rod pushes transiting rod 20 mobile, is more convenient for measuring.
Optionally, which may include the different transiting rod 20 of more root long degree.It thus can be by more
The transiting rod 20 for changing different length, further changes the range of micrometric depth gauge.
Further, it can have zeroing graduation mark 20a on each transiting rod 20.In addition, for each transition
Bar 20, along the distance of the end face of axial second end of the graduation mark 20a to transiting rod 20 that return to zero of transiting rod 20 and 10 liang of mounting cylinder
End end face is equidistant.
As shown in Figure 1, the end face of the first end of transiting rod 20 can be spherical convex surface.Can be convenient in this way transiting rod 20 with
The bottom of blind hole contacts.
Limiting inward flange 12 and transiting rod 20 can be clearance fit, to facilitate the movement of transiting rod 20.Illustratively, it limits
The difference of the outer diameter of the internal diameter and transiting rod 20 of position inward flange 12 can be no more than 0.1mm.Limit inward flange 12 and transiting rod 20 it
If gap between is too small, is easy to appear clamping stagnation, it has not been convenient to the movement of transiting rod 20, and if limit inward flange 12 and transiting rod
Gap between 20 is excessive, then transiting rod 20 is easy to produce inclination, influences the precision of measurement.
As shown in Figure 1, the blind hole depth supplemental measurement tool can also include protective cover 50.Protective cover 50 is removably set
Set the second end in mounting cylinder 10.Since the end face of the second end of mounting cylinder 10 needs to be affixed with the pedestal of micrometric depth gauge, mistake
The end face for crossing the second end of bar 20 needs and the measuring rod of micrometric depth gauge offsets, the end face of the second end of mounting cylinder 10 it is smooth
The flatness of the end face of the second end of degree, transiting rod 20 can all influence the levels of precision of measurement, therefore pass through setting protective cover 50
Blind hole depth supplemental measurement tool is protected, is prevented plowing from, it is advantageously ensured that measurement accuracy.
Further, gasket seal 51 can be folded between protective cover 50 and the second end end face of mounting cylinder 10.Pass through
Gasket seal 51 is set, avoids protective cover 50 from directly contacting with the second end end face of mounting cylinder 10, can prevent protective cover 50 from drawing
Hurt the second end end face of mounting cylinder 10.
Illustratively, gasket seal 51 can be rubber sheet gasket.
Optionally, which can be hardware.It can reduce using hardware
The deformation of tool especially avoids the deformation of transiting rod 20, benchmark outward flange 11 and mounting cylinder 10, it is advantageously ensured that the essence of measurement
Degree.Illustratively, blind hole depth supplemental measurement tool can be stainless steel structure part.
The embodiment of the invention also provides a kind of blind hole depth measuring device, which includes depth thousand
Divide ruler 60 and blind hole depth supplemental measurement tool as shown in Figure 1.
Fig. 2 is a kind of use state diagram of blind hole depth measuring device provided in an embodiment of the present invention.Such as Fig. 2 institute
Show, the pedestal 62 of micrometric depth gauge 60 and the end face of the second end of mounting cylinder 10 are affixed, the measuring rod 61 of micrometric depth gauge 60 with
The end face of the second end of transiting rod 20 offsets.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of blind hole depth supplemental measurement tool, which is characterized in that including mounting cylinder (10), transiting rod (20), reset spring
(30) and threaded pressure ring (40), there are benchmark outward flange (11) on the outer wall of the mounting cylinder (10), the mounting cylinder (10)
First end has limit inward flange (12), and the transiting rod (20) is coaxially inserted into the mounting cylinder (10), the transiting rod
(20) first end is located at outside the first end of the mounting cylinder (10), and the second end of the transiting rod (20) is located at the mounting cylinder
(10) in, there is limit outward flange (21) on the outer wall of the transiting rod (20), the reset spring (30) is coaxially set in institute
State transiting rod (20) outside, the both ends of the reset spring (30) are born against in the limit outward flange (21) and the limit
On flange (12), the threaded pressure ring (40) is located in the mounting cylinder (10), the threaded pressure ring (40) and the mounting cylinder
(10) inner thread connection, the threaded pressure ring (40) contact with the limit outward flange (21), the limit outward flange
(21) between the threaded pressure ring (40) and the reset spring (30).
2. supplemental measurement tool according to claim 1, which is characterized in that have on the outer wall of the transiting rod (20) and adjust
Zero graduation line (20a).
3. supplemental measurement tool according to claim 2, which is characterized in that along the axial direction tune of the transiting rod (20)
Zero graduation line (20a) to the transiting rod (20) second end end face distance and the mounting cylinder (10) both ends end face away from
From equal.
4. described in any item supplemental measurement tools according to claim 1~3, which is characterized in that the supplemental measurement tool packet
Include the different transiting rod (20) of more root long degree.
5. described in any item supplemental measurement tools according to claim 1~3, which is characterized in that the of the transiting rod (20)
The end face of one end is spherical convex surface.
6. described in any item supplemental measurement tools according to claim 1~3, which is characterized in that the limit inward flange (12)
Internal diameter and the transiting rod (20) outer diameter difference be no more than 0.1mm.
7. described in any item supplemental measurement tools according to claim 1~3, which is characterized in that further include protective cover (50), institute
State the second end that protective cover (50) is removably disposed in the mounting cylinder (10).
8. supplemental measurement tool according to claim 7, which is characterized in that the protective cover (50) and the mounting cylinder
(10) gasket seal (51) are folded between second end end face.
9. described in any item supplemental measurement tools according to claim 1~3, which is characterized in that the blind hole depth auxiliary is surveyed
Amount tool is hardware.
10. a kind of blind hole depth measuring device, which is characterized in that including micrometric depth gauge and such as any one of claim 1~9 institute
The blind hole depth supplemental measurement tool stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148307.9A CN109931852B (en) | 2019-02-28 | 2019-02-28 | Blind hole depth auxiliary measuring tool and blind hole depth measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148307.9A CN109931852B (en) | 2019-02-28 | 2019-02-28 | Blind hole depth auxiliary measuring tool and blind hole depth measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109931852A true CN109931852A (en) | 2019-06-25 |
| CN109931852B CN109931852B (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910148307.9A Active CN109931852B (en) | 2019-02-28 | 2019-02-28 | Blind hole depth auxiliary measuring tool and blind hole depth measuring device |
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| Country | Link |
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| CN (1) | CN109931852B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914176A (en) * | 2021-10-14 | 2022-01-11 | 河南宏盛工程监理有限公司 | Highway pavement flatness detection marking device and detection marking method |
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| CN113914176A (en) * | 2021-10-14 | 2022-01-11 | 河南宏盛工程监理有限公司 | Highway pavement flatness detection marking device and detection marking method |
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| Publication number | Publication date |
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| CN109931852B (en) | 2021-05-11 |
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