CN109724501A - A kind of drilling depth checking tool - Google Patents
A kind of drilling depth checking tool Download PDFInfo
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- CN109724501A CN109724501A CN201811636677.9A CN201811636677A CN109724501A CN 109724501 A CN109724501 A CN 109724501A CN 201811636677 A CN201811636677 A CN 201811636677A CN 109724501 A CN109724501 A CN 109724501A
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- ruler
- receiving hole
- diameter
- compression leg
- hole
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Abstract
The invention discloses a kind of drilling depth checking tools, it is characterized in that, including the ontology being integrally in the form of a column, there is the receiving hole that the length direction along the ontology is arranged in the middle part of one end of the body length direction, inspection ruler is telescopically installed, the length for checking ruler is less than the depth of the receiving hole in the receiving hole；The maximum extension elongation for checking ruler is greater than the design maximum depth of drilling to be measured, and in the minimum diameter for being less than drilling to be measured perpendicular to the full-size on length direction；It is also equipped on the ontology for locking the lockable mechanism for checking ruler extension elongation.The present invention has smart structural design, easy for operation, can quickly check drilling depth, checks the advantages that speed is fast, high-efficient.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of drilling depth checking tool.
Background technique
With the continuous development of modernization construction process, in the decoration of exterior walls of buildings, heat preservation is added to wall
Layer is very important, and can be completely cut off outside insulating layer extraneous temperature in summer by insulating layer, be made temperature in building
It keeps constant；Temperature of the extraneous imperial air exclusion in outdoor, building can be continued to protect also by insulating layer in winter
It holds constant.Heat insulating decorative board has construction is simple quick, realizes real multifunctional all, and primary construction can solve to keep the temperature
Two functions are decorated, 90% originally in more than ten procedure of building site is completed in factory, heat insulating energy saving material industry is realized
Change, greatly improves the integral level of domestic construction industry heat preservation energy-saving.
Heat insulating decorative board is usually that anchor bolt is used to be fixedly mounted on concrete wall surface, for the intensity and anchoring for guaranteeing anchoring
Aesthetics afterwards, it is desirable that the minimum-depth of metope drilling meets design requirement, otherwise be easy to cause and anchors not in place, anchoring strength
Deficiency causes heat insulating decorative board to fall off.Or cause anchor bolt exposed, the exterior wall aesthetics after influencing installation.Currently, being bored to metope
The inspection of hole depth has no specific purpose tool, usually intercepts the lesser reinforcing bar of diameter or steel wire at the scene, length, which is greater than, will detect brill
Hole depth is inserted into the drilling to be detected, the intersection to press...with one's finger in reinforcing bar and metope, to insertion after taking-up reinforcing bar
Length measures.
In construction, similar anchor bolt fixation is very common mounting means, in heavy construction building site, is used for anchor
The drilling hole amount of bolt is numerous, and mostly constructs in such a way that batch drills, need to be by drilling construction department first to drilling after drilling
Full inspection is carried out, then secondary drilling is carried out to unqualified drilling, is then inspected by random samples by quality testing department, carries out anchor again after sampling observation is qualified
Gu construction.The detection speed of above-mentioned detection method is slow, low efficiency, and the depth of completely inadaptable high-volume drilling examines demand.
Summary of the invention
In view of the above shortcomings of the prior art, it is set the technical problems to be solved by the present invention are: how to provide a kind of structure
Count it is ingenious, it is easy for operation, quickly drilling depth can be checked, check that speed is fast, high-efficient drilling depth inspection
Look into tool.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of drilling depth checking tool, which is characterized in that including the ontology being integrally in the form of a column, the body length direction
One end in the middle part of there is the receiving hole that the length direction along the ontology is arranged, inspection is telescopically installed in the receiving hole
Ruler, the length for checking ruler are less than the depth of the receiving hole；The maximum extension elongation for checking ruler is greater than drilling to be measured
Design maximum depth, and perpendicular to the full-size on length direction be less than drilling to be measured minimum diameter；The ontology
On be also equipped with for lock it is described check ruler extension elongation lockable mechanism.
Based on above structure, in use, will check that ruler is stretched out out of ontology, make the extension elongation and drilling to be measured that check ruler
Projected depth it is consistent, will check that the extension elongation of ruler locks with lockable mechanism, and when inspection, will check that ruler will protrude into drilling to be measured
It is interior, if ontology can touch metope, shows that the depth of drilling is qualified, if ontology can not touch metope, show to drill
Depth it is unqualified.In this manner it is possible to rapidly check that the speed of inspection is fast, high-efficient to high-volume drilling.Due to inspection
The length for looking into ruler is scalable, is capable of the drilling depth detection of suitable for various size.After use, it can also will check that ruler takes in ontology
It is interior, convenient for storage and reuse.
Further, the receiving hole penetrates through setting along the length direction of the ontology, and the receiving hole deviates from the inspection
The one end for looking into ruler stretching direction is equipped with by compression leg, described to pass through the axial limiting part of installation on the body slidably by compression leg
Ground is mounted in the receiving hole；When the direction for deviating from the inspection ruler by compression leg edge slides into extreme position, inner end
The distance of portion to the ontology other end is consistent with the inspection length of ruler.
In this way, can will check that ruler is taken in ontology completely after checking, can be provided to inspection ruler preferably anti-
Shield, convenient for storage, in use, will be by compression leg towards pressing in receiving hole, so that it may the front end for checking ruler shifted onto this is external, then
It holds and checks that the front end of ruler can extract the extension elongation for checking ruler to needs out.
Further, the receiving hole is stretched out to have on one end hole wall in direction and be set along its length away from the inspection ruler
The limiting slot set, described by having the limited block being correspondingly arranged with the limiting slot on compression leg, the limited block by compression leg can
It is slidably equipped in the limiting slot；The axial limiting part is the end cap of installation on the body, the end cap
Middle part have for the through-hole stretched out by compression leg, projection of the end cap in the body length direction and the pressing
Projection overlapping of the limited block of column in the body length direction.
In this way, by by compression leg limited block and limiting slot and end cap block, can limit by compression leg in ontology
Moving distance on length direction, avoids receiving calmly by compression leg and falls in hole, improves the stability used.
Further, the receiving hole is circle, and the limiting slot is formed through limit hole along the circumferential direction of the receiving hole；
The compression leg of pressing is the cylindrical body consistent with the diameter of the receiving hole, and the limited block is along the circumferentially extending for pressing compression leg
Defining flange is formed, there is suit to be arranged in described by answering on compression leg between the defining flange and the bottom of the limit hole
Position spring makes described to be pressed on the end cap by compression leg.
In this way, being more easily manufactured by compression leg for round receiving hole and cylindrical shape, advantageously reduces manufacturing cost.Moreover,
By reset spring, make to be pressed on end cap always in its natural state by compression leg, more convenient inspection ruler is in use
It is flexible.
Further, the diameter of the receiving hole is 0.8~1.5cm, through-hole diameter and the receiving on the end cap
The diameter in hole is consistent；Consistency of thickness of the defining flange to the distance by compression leg outer end and the end cap.
In this way, when being pressed on end cap by compression leg, it is concordant by the outer end face of compression leg and the outer end face of end cap, thus preferably
Compression leg can be accidentally pressed in storage to avoid checking tool, will check ruler ejection.In addition, through-hole diameter and receiving hole on end cap
Diameter it is consistent, be 0.8~1.5cm, thereby may be ensured that thumb can be pressed by compression leg.
Further, slide is also equipped in the receiving hole, the middle part of the slide has and the end for checking ruler
The consistent slide opening of face shape and size, the inspection ruler are movably interspersed on the slide opening of the slide.
Due to being relatively large in diameter for receiving hole, and checking that size of the ruler in vertical length direction is smaller, the two differs greatly,
Slide opening is set on slide and checks ruler for inserting, so that it may facilitate the installation for checking ruler.
Further, the inner end for checking ruler is also equipped with cylindrical sliding block, the diameter of the sliding block with it is described
The internal diameter of receiving hole is consistent, and the sliding block can move in the receiving hole with the stretching for ruler of inspection.
Inspection ruler is supported in this way, can use sliding block and slide, guarantees to check that ruler can be always along the length of ontology
It is flexible to spend direction, convenient for the accurate inspection of drilling depth.
Further, the inspection ruler is positive hexagon, has on the slide and radially penetrates through the slide opening setting
Mounting hole, the medial surface of the axis of the mounting hole perpendicular to the slide opening；The lockable mechanism includes being mounted on institute
The locking steel ball in mounting hole, locking spring and plug are stated, the diameter of the locking steel ball is consistent with the diameter of the mounting hole,
One end end of the mounting hole towards the slide opening is contracted to the diameter that diameter is less than the locking steel ball radially inward, makes
The locking steel ball is stuck in the mounting hole towards one end of the slide opening under the extruding of locking spring, and partially protrudes into described
In slide opening；There is multiple arc-shaped positioning grooves being placed equidistant with along its length, institute on a side for checking ruler
The diameter for stating positioning groove is consistent with the diameter of the locking steel ball；Side and the mounting hole place side where the positioning groove
Position is consistent, and the locking steel ball is enable to be caught in the positioning groove.
In this way, checking ruler by pull, it is caught in locking steel ball in the positioning groove checked on ruler, so that it may to inspection ruler
The extension elongation that locking checks ruler is carried out, it is easy to adjust quick.
Further, there is external screw thread, the receiving hole is towards the inspection ruler stretching side on the periphery of the slide
To one end there is the internal screw thread to match with the external screw thread of the slide, the length of the internal screw thread is greater than the length of the slide
Degree, and the length difference of the two is consistent with the spacing of the two neighboring positioning groove on the inspection ruler.
Due to positioning groove spaced set so that check ruler extension elongation be always between two neighboring positioning groove between
Away from integral multiple, and by slide and receiving hole using being threadedly coupled, and check that ruler is positive six prismatics, when so that checking that ruler rotates,
It is able to drive slide to rotate together, using the length difference between the internal screw thread and slide of receiving hole, to the extension elongation for checking ruler
It is finely adjusted, so that it may rapidly and precisely adjust the extension elongation for checking ruler.
Further, the center for checking the two neighboring positioning groove on ruler is away from for 1cm.
In this way, when checking the drilling of any depth, it is only necessary to the integer extraction of first fitting depth data checks ruler,
Then rotation checks ruler, drives slide to move fine tuning along receiving hole, so that it may quickly be adjusted to specified extension elongation.
In conclusion the present invention has smart structural design, and it is easy for operation, quickly drilling depth can be examined
It looks into, checks the advantages that speed is fast, high-efficient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of drilling depth checking tool.
Fig. 2 is the positive structure diagram that the extension end of ruler is checked in Fig. 1.
Fig. 3 is the part A enlarged structure schematic diagram in Fig. 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
When specific implementation: as shown in FIG. 1 to 3, a kind of drilling depth checking tool, including the ontology 1 being integrally in the form of a column,
There is the receiving hole that the length direction along the ontology 1 is arranged, in the receiving hole in the middle part of one end of 1 length direction of ontology
It is telescopically equipped with and checks ruler 2, the length for checking ruler 2 is less than the depth of the receiving hole；The maximum for checking ruler 2
Extension elongation is greater than the design maximum depth of drilling to be measured, and is being less than drilling to be measured perpendicular to the full-size on length direction
Minimum diameter；It is also equipped on the ontology 1 for locking the lockable mechanism 3 for checking 2 extension elongation of ruler.
Based on above structure, in use, will check that ruler is stretched out out of ontology, make the extension elongation and drilling to be measured that check ruler
Projected depth it is consistent, will check that the extension elongation of ruler locks with lockable mechanism, and when inspection, will check that ruler will protrude into drilling to be measured
It is interior, if ontology can touch metope, shows that the depth of drilling is qualified, if ontology can not touch metope, show to drill
Depth it is unqualified.In this manner it is possible to rapidly check that the speed of inspection is fast, high-efficient to high-volume drilling.Due to inspection
The length for looking into ruler is scalable, is capable of the drilling depth detection of suitable for various size.After use, it can also will check that ruler takes in ontology
It is interior, convenient for storage and reuse.
When implementation, the receiving hole penetrates through setting along the length direction of the ontology 1, and the receiving hole deviates from the inspection
Ruler 2 stretch out direction one end be equipped with press compression leg 4, it is described can by the axial limiting part 5 being mounted on the ontology 1 by compression leg 4
It is slidably mounted in the receiving hole；It is described by compression leg 4 along away from it is described check ruler 2 direction slide into extreme position when,
The distance of its inner end to 1 other end of ontology is consistent with the inspection length of ruler 2.
In this way, can will check that ruler is taken in ontology completely after checking, can be provided to inspection ruler preferably anti-
Shield, convenient for storage, in use, will be by compression leg towards pressing in receiving hole, so that it may the front end for checking ruler shifted onto this is external, then
It holds and checks that the front end of ruler can extract the extension elongation for checking ruler to needs out.
When implementation, the receiving hole stretches out to have on one end hole wall in direction away from the inspection ruler 2 to be set along its length
The limiting slot set, it is described by having the limited block that is correspondingly arranged with the limiting slot, the limited block by compression leg 4 on compression leg 4
It slidably engages and is arranged in the limiting slot；The axial limiting part 5 is the end cap being mounted on the ontology 1, described
The middle part of end cap has for the through-hole stretched out by compression leg 4, projection and institute of the end cap on 1 length direction of ontology
State the projection overlapping by the limited block of compression leg 4 on 1 length direction of ontology.
In this way, by by compression leg limited block and limiting slot and end cap block, can limit by compression leg in ontology
Moving distance on length direction, avoids receiving calmly by compression leg and falls in hole, improves the stability used.
When implementation, the receiving hole is circle, and the limiting slot is formed through limit hole along the circumferential direction of the receiving hole；Institute
Stating by compression leg 4 is the cylindrical body consistent with the diameter of the receiving hole, and the limited block is along the circumferentially extending for pressing compression leg 4
Defining flange is formed, there is suit to be arranged in described by compression leg 4 between the defining flange and the bottom of the limit hole
Reset spring 6 makes described to be pressed on the end cap by compression leg 4.
In this way, being more easily manufactured by compression leg for round receiving hole and cylindrical shape, advantageously reduces manufacturing cost.Moreover,
By reset spring, make to be pressed on end cap always in its natural state by compression leg, more convenient inspection ruler is in use
It is flexible.
When implementation, the diameter of the receiving hole is 0.8~1.5cm, through-hole diameter and the receiving hole on the end cap
Diameter it is consistent；Consistency of thickness of the defining flange to the distance by 4 outer end of compression leg and the end cap.
In this way, when being pressed on end cap by compression leg, it is concordant by the outer end face of compression leg and the outer end face of end cap, thus preferably
Compression leg can be accidentally pressed in storage to avoid checking tool, will check ruler ejection.In addition, through-hole diameter and receiving hole on end cap
Diameter it is consistent, be 0.8~1.5cm, thereby may be ensured that thumb can be pressed by compression leg.
When implementation, slide 7 is also equipped in the receiving hole, the middle part of the slide 7 has and the end for checking ruler 2
The consistent slide opening of face shape and size, the inspection ruler 2 are movably interspersed on the slide opening of the slide 7.
Due to being relatively large in diameter for receiving hole, and checking that size of the ruler in vertical length direction is smaller, the two differs greatly,
Slide opening is set on slide and checks ruler for inserting, so that it may facilitate the installation for checking ruler.
When implementation, the inner end for checking ruler 2 is also equipped with cylindrical sliding block 8, the diameter of the sliding block 8 with it is described
The internal diameter of receiving hole is consistent, and the sliding block 8 can move in the receiving hole with the stretching for ruler 2 of inspection.
Inspection ruler is supported in this way, can use sliding block and slide, guarantees to check that ruler can be always along the length of ontology
It is flexible to spend direction, convenient for the accurate inspection of drilling depth.
When implementation, the inspection ruler 2 is positive hexagon, has on the slide 7 and radially penetrates through the slide opening setting
Mounting hole, the medial surface of the axis of the mounting hole perpendicular to the slide opening；The lockable mechanism 3 includes being mounted on institute
State the locking steel ball 31 in mounting hole, locking spring 32 and plug 33, diameter and the mounting hole of the locking steel ball 31
Diameter is consistent, and one end end of the mounting hole towards the slide opening is contracted to diameter less than the locking steel ball radially inward
31 diameter makes the locking steel ball 31 be stuck in the mounting hole under the extruding of locking spring 32 towards the one of the slide opening
End, and partially protrude into the slide opening；There are multiple circles being placed equidistant with along its length on a side for checking ruler 2
The positioning groove 21 of arc, the diameter of the positioning groove 21 are consistent with the diameter of the locking steel ball 31；The positioning groove
21 places side are consistent with orientation where the mounting hole, and the locking steel ball 31 is enable to be caught in the positioning groove 21.
In this way, checking ruler by pull, it is caught in locking steel ball in the positioning groove checked on ruler, so that it may to inspection ruler
The extension elongation that locking checks ruler is carried out, it is easy to adjust quick.
When implementation, there is external screw thread on the periphery of the slide 7, the receiving hole is towards 2 side of stretching of inspection ruler
To one end there is the internal screw thread to match with the external screw thread of the slide 7, the length of the internal screw thread is greater than the length of the slide 7
Degree, and the length difference of the two is consistent with the spacing of the two neighboring positioning groove 21 on the inspection ruler 2.
Due to positioning groove spaced set so that check ruler extension elongation be always between two neighboring positioning groove between
Away from integral multiple, and by slide and receiving hole using being threadedly coupled, and check that ruler is positive six prismatics, when so that checking that ruler rotates,
It is able to drive slide to rotate together, using the length difference between the internal screw thread and slide of receiving hole, to the extension elongation for checking ruler
It is finely adjusted, so that it may rapidly and precisely adjust the extension elongation for checking ruler.
When implementation, the center for checking the two neighboring positioning groove 21 on ruler 2 is away from for 1cm.
In this way, when checking the drilling of any depth, it is only necessary to the integer extraction of first fitting depth data checks ruler,
Then rotation checks ruler, drives slide to move fine tuning along receiving hole, so that it may quickly be adjusted to specified extension elongation.
When implementation, indicator board 9 is installed on one end end face that the ontology 1 stretches out direction towards the inspection ruler 2, it is described
The middle part of indicator board 9 has the through-hole passed through for the inspection ruler 2, the diameter of the through-hole and the 2 end face hexagon of inspection ruler
Circumscribed circle diameter it is consistent；There is the graduation mark being arranged along its length on a side for checking ruler 2.
Since the through-hole diameter on indicator board is consistent with the circumscribed circle diameter of end face hexagon of ruler is checked, so that indicator board
Lateral surface closer to check ruler on graduation mark, convenient for user read check ruler extension elongation data.In addition, passing through
Indicator board, can also be by slide block in receiving hole.
When implementation, the ontology 1 is stretched out towards the inspection ruler 2 also has marking device 10 on one end end face in direction,
The marking device 10 includes whole box body annular in shape, is filled with blotting material in the box body, in the box body axial direction
Side be mounted on the end face of the ontology 1, make the inspection ruler 2 by being pierced by the middle part of the box body；The box body it is another
Side is covered with one layer of blotting material, and is connected to by the ink supply aperture on the side with the intracorporal blotting material of the box.
Ink is injected in box body, blotting material is made to fully absorb ink, in use, will be covered with the side of blotting material
As the end face of entire checking tool, adjustment checks the extension elongation of ruler, measures to drilling depth, once the reality of drilling
Depth is greater than or equal to projected depth, then the side for being covered with blotting material can touch metope, and by blotting material at this
It impresses around drilling, shows that drilling is qualified, once the actual depth of drilling is less than projected depth, blotting material can not be touched
Metope would not impress around the drilling, show to drill unqualified.In this manner it is possible in the detection process, be completed at the same time
To drilling, whether qualification is labeled, and is improved efficiency.
When implementation, it is covered on position of the ink-absorbing material material position in the box body close to middle part on the outside of the box body.
Ruler is checked in the full-size in vertical length direction, so that checking the end of ruler since the aperture of drilling to be measured is greater than
When being inserted into the bottom of drilling, it all can shake and cause the EDGE CONTACT of box body to metope, box body is arranged in blotting material
Medium position when can be to avoid underproof drilling is checked, checks ruler inclination and causes blotting material mis-marked, improve detection
Accuracy.
When implementation, be covered on the blotting material on the outside of the box body be uniformly arranged along the circumferential direction of the box body it is more
Block, every piece fan-shaped.
In this way, even if checking ruler skew state and causing metope misprint fan shape will not be printed off, convenient for excluding to miss
Print is conducive to improve inspection accuracy.When it is implemented, the indicator board 9 is that the box body is covered with the one of blotting material
Side side plate.
When implementation, the blotting material is ink holder.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of drilling depth checking tool, which is characterized in that including the ontology (1) being integrally in the form of a column, ontology (1) length
There is the receiving hole that the length direction along the ontology (1) is arranged in the middle part of the one end in direction, telescopically pacify in the receiving hole
Equipped with ruler (2) are checked, the length for checking ruler (2) is less than the depth of the receiving hole；It is described to check that the maximum of ruler (2) stretches out
Length is greater than the design maximum depth of drilling to be measured, and is being less than drilling to be measured most perpendicular to the full-size on length direction
Minor diameter；It is also equipped on the ontology (1) for locking the lockable mechanism (3) for checking ruler (2) extension elongation.
2. drilling depth checking tool as described in claim 1, which is characterized in that the receiving hole is along the ontology (1)
Length direction perforation setting, the receiving hole is equipped with away from one end that inspection ruler (2) stretches out direction and presses compression leg (4), described
It is slidably mounted in the receiving hole by compression leg (4) by the axial limiting part (5) being mounted on the ontology (1)；Institute
State by compression leg (4) along away from it is described check ruler (2) direction slide into extreme position when, inner end to the ontology (1) separately
The distance of one end is consistent with the inspection length of ruler (2).
3. drilling depth checking tool as claimed in claim 2, which is characterized in that the receiving hole deviates from the inspection ruler
(2) stretching out on one end hole wall in direction has the limiting slot being arranged along its length, described to have and the limit by compression leg (4)
The limited block that position slot is correspondingly arranged, the limited block by compression leg (4), which slidably engages, to be arranged in the limiting slot；It is described
Axial limiting part (5) is the end cap being mounted on the ontology (1), and the middle part of the end cap, which has, is stretched for described by compression leg (4)
Through-hole out, projection of the end cap on the ontology (1) length direction and the limited block by compression leg (4) are at described
Projection overlapping on body (1) length direction.
4. drilling depth checking tool as claimed in claim 3, which is characterized in that the receiving hole is circle, the limit
Slot is formed through limit hole along the circumferential direction of the receiving hole；Described press compression leg (4) are consistent with the diameter of the receiving hole
Cylindrical body, the limited block form defining flange, the defining flange and the limit by the circumferentially extending of compression leg (4) along described
There is suit setting in the reset spring (6) by compression leg (4) between the bottom in hole, makes described to be pressed on by compression leg (4)
On the end cap.
5. drilling depth checking tool as claimed in claim 4, which is characterized in that the diameter of the receiving hole be 0.8~
1.5cm, the through-hole diameter on the end cap are consistent with the diameter of the receiving hole；The defining flange presses compression leg (4) to described
The consistency of thickness of the distance of outer end and the end cap.
6. drilling depth checking tool as claimed in claim 5, which is characterized in that be also equipped with slide in the receiving hole
(7), the middle part of the slide (7) has the slide opening caused with the end surface shape for checking ruler (2) and size uniformity, the inspection
Ruler (2) is movably interspersed on the slide opening of the slide (7).
7. drilling depth checking tool as claimed in claim 6, which is characterized in that the inner end for checking ruler (2) is also pacified
Equipped with cylindrical sliding block (8), the diameter of the sliding block (8) is consistent with the internal diameter of the receiving hole, and the sliding block (8) can be with
The stretching for ruler (2) of inspection is moved in the receiving hole.
8. drilling depth checking tool as claimed in claim 6, which is characterized in that the inspection ruler (2) is positive hexagon,
There is the mounting hole for radially penetrating through the slide opening setting, the axis of the mounting hole is perpendicular to the cunning on the slide (7)
One medial surface in hole；The lockable mechanism (3) includes the locking steel ball (31) of installation in the mounting hole, locking spring
(32) and plug (33), the diameter of the locking steel ball (31) is consistent with the diameter of the mounting hole, and the mounting hole is towards institute
One end end for stating slide opening is contracted to the diameter that diameter is less than the locking steel ball (31) radially inward, makes the locking steel ball
(31) it is stuck in the mounting hole under the extruding of locking spring (32) towards one end of the slide opening, and partially protrudes into the slide opening
It is interior；There are multiple arc-shaped positioning grooves (21) being placed equidistant with along its length on a side for checking ruler (2),
The diameter of the positioning groove (21) is consistent with the diameter of the locking steel ball (31)；Side and institute where the positioning groove (21)
Orientation where stating mounting hole is consistent, be caught in the locking steel ball (31) can in the positioning groove (21).
9. drilling depth checking tool as claimed in claim 8, which is characterized in that have on the periphery of the slide (7)
External screw thread, the receiving hole have the external screw thread phase with the slide (7) towards one end that inspection ruler (2) stretches out direction
The internal screw thread matched, the length of the internal screw thread are greater than the length of the slide (7), and the length difference of the two and the inspection ruler (2)
On the two neighboring positioning groove (21) spacing it is consistent.
10. drilling depth checking tool as claimed in claim 9, which is characterized in that two neighboring on inspection ruler (2)
The center of the positioning groove (21) is away from for 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636677.9A CN109724501B (en) | 2018-12-29 | 2018-12-29 | Drilling depth inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636677.9A CN109724501B (en) | 2018-12-29 | 2018-12-29 | Drilling depth inspection tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109724501A true CN109724501A (en) | 2019-05-07 |
| CN109724501B CN109724501B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811636677.9A Active CN109724501B (en) | 2018-12-29 | 2018-12-29 | Drilling depth inspection tool |
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| CN201715971U (en) * | 2010-06-18 | 2011-01-19 | 中山明明铝制品有限公司 | Internal thread depth measuring gauge |
| JP2012132809A (en) * | 2010-12-22 | 2012-07-12 | Niigata Seiki Kk | Substrate detector |
| CN202240897U (en) * | 2011-08-23 | 2012-05-30 | 崔家兴 | Mechanical positioning adjustment device |
| CN202382688U (en) * | 2011-12-31 | 2012-08-15 | 昆山旭发电子有限公司 | Drilling depth testing device for drilled hole |
| CN204535627U (en) * | 2015-04-24 | 2015-08-05 | 石家庄昊达机械设备有限公司 | A kind of micro deep-hole degree of depth instrument for quick measuring |
| CN106468532A (en) * | 2016-10-11 | 2017-03-01 | 浙江超威创元实业有限公司 | A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method |
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