CN203824494U - Measuring device for countersink depth - Google Patents

Measuring device for countersink depth Download PDF

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Publication number
CN203824494U
CN203824494U CN201420144079.0U CN201420144079U CN203824494U CN 203824494 U CN203824494 U CN 203824494U CN 201420144079 U CN201420144079 U CN 201420144079U CN 203824494 U CN203824494 U CN 203824494U
Authority
CN
China
Prior art keywords
hole
measurement
measuring
meter
counterbore
Prior art date
Application number
CN201420144079.0U
Other languages
Chinese (zh)
Inventor
马小磊
王爱荣
王斌
李东波
李玉奎
Original Assignee
潍柴动力股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 潍柴动力股份有限公司 filed Critical 潍柴动力股份有限公司
Priority to CN201420144079.0U priority Critical patent/CN203824494U/en
Application granted granted Critical
Publication of CN203824494U publication Critical patent/CN203824494U/en

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Abstract

The utility model, which relates to the technical field of the hole measuring tool, provides a measuring device for countersink depth. The measuring device is provided with a measurement instrument, an instrument seat, a positioning sleeve, a measuring shaft and a measuring standard pedestal. The measurement instrument is clamped and fixed in a first through hole of the instrument seat; a measuring rod of the measurement instrument passes through the first through hole and extends into a second through hole of the positioning sleeve; and the measuring shaft is sleeved in the second through hole of the positioning sleeve. The assembled measuring shaft is inserted into the measuring standard pedestal to carry out zero checking operation; and the assembled measuring shaft is inserted into the to-be-measured countersink to carry out number reading of the measurement instrument, thereby calculating the depth of the countersink conveniently. The measurement is simple and convenient; and the measurement precision is high.

Description

A kind of counterbore depth measurement device
Technical field
The utility model belongs to hole measurement technical field of tools, relates in particular to a kind of counterbore depth measurement device.
Background technology
Counterbore is a kind of common hole of surface of the work, and, not in blind hole and through hole, there is certain deflection requirement in its region, and the degree of depth of measuring counterbore generally adopts vernier depth gage.
As shown in Figure 1, counterbore is provided with multistage, what wherein need to measure hole depth is that diameter is the single order of D, and the single order upper end that is D at diameter is provided with the single order that diameter is d, wherein, aperture is that the counterbore of D is provided with chamfering structure, therefore the start stop bit of its depth H is set in figure shown in AB line, the face at the place, lower surface of the counterbore that its aperture is D is C, when measuring the degree of depth of the counterbore that aperture is D, when it is measured by above-mentioned vernier depth gage, there is following defect:
(1) while using vernier depth gage to measure, the sidewall that is the counterbore of D along aperture by the measurement head end of vernier depth gage extends downward the position at B plane place always, then carry out reading, at the hand steered sounding rod of this process need survey crew, slowly move down the loaded down with trivial details inconvenience of measuring process;
(2) when measuring, survey crew is hand steered to be measured along sidewall, and the measurement head end of vernier depth gage easily crosses slotted line B and arrive C face, causes measurement result inaccurate, and degree of accuracy is lower.
Utility model content
The purpose of this utility model is to provide a kind of counterbore depth measurement device, is intended to solve while multistage counterbore being carried out to depth survey by vernier depth gage in prior art, exist measure inconvenient, the problem that measurement result precision is lower.
The utility model is to realize like this, a kind of counterbore depth measurement device, it is characterized in that, described counterbore depth measurement device comprises meter, described meter clamping is fixed on gauge stand, described gauge stand between two surfaces, be provided with up and down the first through hole for meter sounding rod described in clamping, described gauge stand side is provided with described the first through hole and is communicated with, and by trip bolt, the sounding rod of described meter is fixed the threaded hole of clamping, the lower end of described gauge stand is provided with locating sleeve, described locating sleeve is provided with the second through hole and spacing hole, described spacing hole is located at described locating sleeve sidewall lower position, in described the second through hole, be provided with measurement axle, described measurement axle is provided with stopper slot, described measurement axle is by described spacing hole, described stopper slot and stop screw are sleeved in described the second through hole, the diameter of section of described measurement axle and the aperture of counterbore to be measured adapt, described measurement axle lower end is provided with the measurement standard base being mated.
As a kind of improved plan, described meter is dial gauge or clock gauge.
As a kind of improved plan, in described the first through hole, be provided with the clip coordinating with described trip bolt.
Because counterbore depth measurement device is provided with meter, gauge stand, locating sleeve, measure axle and measurement standard base, wherein, meter clamping is fixed in the first through hole of gauge stand, the sounding rod of meter gos deep in the second through hole of described locating sleeve through described the first through hole, in the second through hole of described locating sleeve, be arranged with described measurement axle, measurement axle after described assembling inserts in described measurement standard base and teaches Z-operation, then the measurement axle after assembling is inserted to the number of degrees that counterbore to be measured carries out meter, thereby calculate easily the degree of depth of counterbore, measure simple and convenient, measuring accuracy is higher.
Owing to being provided with the clip coordinating with trip bolt in the first through hole, be convenient to realize the fastening clamping to meter sounding rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of multistage counterbore;
Fig. 2 (a) is the structural representation of the counterbore depth measurement device that provides of the utility model;
Fig. 2 (b) is the assembling schematic diagram of the counterbore depth measurement device that provides of the utility model;
Fig. 3 is the structural representation of the gauge stand that provides of the utility model;
Fig. 4 is the structural representation of the locating sleeve that provides of the utility model;
Fig. 5 is the structural representation of the measurement axle that provides of the utility model;
Wherein, 1-meter, 2-gauge stand, 21-the first through hole, 3-trip bolt, 4-locating sleeve, 41-the second through hole, 42-spacing hole, 5-measures axle, 51-stopper slot, 6-stop screw, 7-measurement standard base, 8 clips.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 2 (a) shows the structural representation of the counterbore depth measurement device that the utility model provides, Fig. 2 (b) shows the assembling schematic diagram of the counterbore depth measurement device that the utility model provides, simultaneously in conjunction with Fig. 3 to Fig. 5, wherein, for convenience of explanation, in figure, only provided the part relevant to the utility model.
Counterbore depth measurement device of the present utility model comprises meter 1, described meter 1 clamping is fixed on gauge stand 2, described gauge stand 2 between two surfaces, be provided with up and down the first through hole 21 for 1 sounding rod of meter described in clamping, described gauge stand 2 sides are provided with described the first through hole 21 and are communicated with, and by the sounding rod of 3 pairs of described meters 1 of trip bolt, be fixed the threaded hole (unmarked in figure) of clamping, the lower end of described gauge stand 2 is provided with locating sleeve 4, described locating sleeve 4 is provided with the second through hole 41 and spacing hole 42, described spacing hole 42 is located at described locating sleeve 4 sidewall lower positions, in described the second through hole 41, be provided with and measure axle 5, described measurement axle 5 is provided with stopper slot 51, described measurement axle 5 is by described spacing hole 42, described stopper slot 51 and stop screw 6 are sleeved in described the second through hole 41, the diameter of section of described measurement axle 5 and the aperture of counterbore to be measured adapt, described measurement axle 5 lower ends are provided with the measurement standard base 7 being mated.
Wherein, meter 1 is dial gauge or clock gauge, can certainly adopt the measurement instrument of other types, do not repeat them here, but not in order to limit the utility model.
In the utility model, in the first through hole 21, be provided with the clip 8 coordinating with described trip bolt 3, wherein, as shown in Figure 3, clip 8, under the effect of the pressure of trip bolt 3, clamps the sounding rod of described meter 1.
Wherein, as shown in Figure 4 and Figure 5, be arranged on the spacing hole 42 on locating sleeve 4 and be arranged on the stopper slot 51 of measuring on axle 5 and cooperatively interact, to measure axle 5 constraint qualifications in the second through hole 41 of described locating sleeve 4, but measuring axle 5 can move up and down along described stopper slot 51 locating sleeve 4 is interior, prevent from measuring axle 5 and come off from locating sleeve 4, realize the measurement to the counterbore degree of depth simultaneously.
In the utility model, above-mentioned measurement standard base 7 is as a standard component, as shown in Figure 1, it is provided with the counterbore that a hole depth is M, it is as the main body reference of measuring the hole depth of multistage counterbore, then the calibration data h measuring for meter 1, and the degree of depth that can obtain counterbore to be measured is M+h.
Certainly, in order to adapt to the counterbore of different-diameter, can design a plurality of measurement axles 5, to adapt to different counterbores, not repeat them here.
In conjunction with Fig. 1 to Fig. 5, the following principle of work that provides counterbore depth measurement device of the present utility model:
(1) meter is inserted in the first through hole of gauge stand, trip bolt is tightened, meter is fastened in this first through hole;
(2) by measuring axle, be assemblied in the second through hole of locating sleeve, and locating sleeve is put on above-mentioned measurement standard base, measure axle lower end and be deep in the counterbore of measurement standard base, as shown in Figure 2;
(3) by step (1) the gauge stand of clamping meter put on locating sleeve, the measurement contact of meter is deep in the second through hole of locating sleeve, and contacts with the upper surface of measuring axle, then by the reading zero setting of meter;
(4) by the locating sleeve after zero-setting operation in step (3) together with on gauge stand in the lump antitheft counterbore to be measured, read the numerical value h of meter, now, the degree of depth of counterbore to be measured is M+h.
Wherein, in above-mentioned steps (4), in conjunction with Fig. 1, measure axle lower surface and slotted line B and maintain an equal level, and the lower limb of locating sleeve and slotted line A maintain an equal level, the numerical value of now measuring, for comparatively accurate depth value, does not repeat them here, but not in order to limit the utility model.
In the utility model, counterbore depth measurement device is provided with meter, gauge stand, locating sleeve, measure axle and measurement standard base, wherein, meter clamping is fixed in the first through hole of gauge stand, the sounding rod of meter gos deep in the second through hole of described locating sleeve through described the first through hole, in the second through hole of described locating sleeve, be arranged with described measurement axle, measurement axle after described assembling inserts in described measurement standard base and teaches Z-operation, then the measurement axle after assembling is inserted to the number of degrees that counterbore to be measured carries out meter, thereby calculate easily the degree of depth of counterbore, measure simple and convenient, measuring accuracy is higher.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (3)

1. a counterbore depth measurement device, it is characterized in that, counterbore depth measurement device comprises meter (1), described meter (1) clamping is fixed on gauge stand (2), described gauge stand (2) between two surfaces, be provided with up and down the first through hole (21) for meter described in clamping (1) sounding rod, described gauge stand (2) side is provided with described the first through hole (21) and is communicated with, and by trip bolt (3), the sounding rod of described meter (1) is fixed the threaded hole of clamping, the lower end of described gauge stand (2) is provided with locating sleeve (4), described locating sleeve (4) is provided with the second through hole (41) and spacing hole (42), described spacing hole (42) is located at described locating sleeve (4) sidewall lower position, in described the second through hole (41), be provided with and measure axle (5), described measurement axle (5) is provided with stopper slot (51), described measurement axle (5) is by described spacing hole (42), described stopper slot (51) and stop screw (6) are sleeved in described the second through hole (41), the diameter of section of described measurement axle (5) and the aperture of counterbore to be measured adapt, described measurement axle (5) lower end is provided with the measurement standard base (7) being mated.
2. counterbore depth measurement device according to claim 1, is characterized in that, described meter (1) is dial gauge or clock gauge.
3. counterbore depth measurement device according to claim 1, is characterized in that, is provided with the clip (8) coordinating with described trip bolt (3) in described the first through hole (21).
CN201420144079.0U 2014-03-28 2014-03-28 Measuring device for countersink depth CN203824494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420144079.0U CN203824494U (en) 2014-03-28 2014-03-28 Measuring device for countersink depth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420144079.0U CN203824494U (en) 2014-03-28 2014-03-28 Measuring device for countersink depth

Publications (1)

Publication Number Publication Date
CN203824494U true CN203824494U (en) 2014-09-10

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CN201420144079.0U CN203824494U (en) 2014-03-28 2014-03-28 Measuring device for countersink depth

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105091714A (en) * 2015-08-26 2015-11-25 南通万达摩擦材料有限公司 Depth measuring instrument
CN106052529A (en) * 2016-05-31 2016-10-26 广州杰赛科技股份有限公司 PCB counterbore detection method
CN110332874A (en) * 2019-08-15 2019-10-15 柳州科路测量仪器有限责任公司 Shaft coupling height measuring rule
CN111059987A (en) * 2019-11-20 2020-04-24 陕西法士特齿轮有限责任公司 Device and method for detecting depth of pressure switch hole in assembling process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105091714A (en) * 2015-08-26 2015-11-25 南通万达摩擦材料有限公司 Depth measuring instrument
CN105091714B (en) * 2015-08-26 2017-10-03 南通万达摩擦材料有限公司 Depth calibrator
CN106052529A (en) * 2016-05-31 2016-10-26 广州杰赛科技股份有限公司 PCB counterbore detection method
CN110332874A (en) * 2019-08-15 2019-10-15 柳州科路测量仪器有限责任公司 Shaft coupling height measuring rule
CN111059987A (en) * 2019-11-20 2020-04-24 陕西法士特齿轮有限责任公司 Device and method for detecting depth of pressure switch hole in assembling process

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140910

Termination date: 20150328

EXPY Termination of patent right or utility model