CN203642851U - Inner diameter measuring device - Google Patents
Inner diameter measuring device Download PDFInfo
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- CN203642851U CN203642851U CN201320885736.2U CN201320885736U CN203642851U CN 203642851 U CN203642851 U CN 203642851U CN 201320885736 U CN201320885736 U CN 201320885736U CN 203642851 U CN203642851 U CN 203642851U
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- inner diameter
- coupling shaft
- measuring device
- measurement column
- threaded
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- 238000005259 measurement Methods 0.000 claims abstract description 98
- 230000008878 coupling Effects 0.000 claims description 66
- 238000010168 coupling process Methods 0.000 claims description 66
- 238000005859 coupling reaction Methods 0.000 claims description 66
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 238000005267 amalgamation Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an inner diameter measuring device, which is capable of measuring the size of an internal deep part of a hole or a groove. The inner diameter measuring device comprises a base, an adjusting screw and a nut, wherein the top end of the base is provided with a limiting component, the top part of the adjusting screw is limited outside the base, the nut comprises a nut body and two connecting shafts, each of the connecting shafts is connected to a measuring column, the two measuring columns are coaxially arranged, the side wall of the base is correspondingly provided with a slot hole, and a slot hole stretches out of the outer end of the connecting shaft; the connecting shafts and the measuring columns located on at least one of the two sides are in threaded connection so as to enable the measuring column to move along the axis direction in a spiral mode, and the measuring columns and the connecting shafts are correspondingly provided with graduations. The inner diameter measuring device provided by the utility model can be directly placed in the hole or the groove and measure the inner diameter of the hole or the groove, solves a problem that a measuring scale in the prior art cannot be placed in the hole or the groove or that the measurement difficulty is great, and is simple in structure and convenient to operate.
Description
Technical field
The utility model belongs to measurement mechanism technical field, be specifically related to a kind of can Quick Measurement deep hole internal diameter, the measurement mechanism of groove internal diameter.
Background technology
In mechanical processing process, the hole that generally adopts dip stick (as vernier caliper or milscale etc.) to measure to be processed or the internal diameter of groove, to judge whether accurate to dimension requirement.But, when the hole that employing dip stick measurement aperture is less or the degree of depth is larger or groove, there is certain limitation, such as, when dip stick gauge head length is greater than the internal diameter of hole or groove or when suitable with its internal diameter, the gauge head of dip stick cannot enter to be measured in hole or groove or to measure difficulty large, also can bring certain influence to following process and assembling.
Utility model content
The utility model provides a kind of inner diameter measuring device, can solve prior art and adopt dip stick or hole that the degree of depth larger or the internal diameter of groove less to internal diameter, cannot measure or measure the problem that difficulty is large.
Solve above-mentioned technical purpose for reaching, the utility model is achieved by the following technical solutions: a kind of inner diameter measuring device, comprise hollow base, the vertical adjusting screw(rod) arranging, the nut being threaded with described adjusting screw(rod), the bottom of described adjusting screw(rod) and described nut are positioned at described pedestal, and the top of described pedestal is provided with limiting component the top of described adjusting screw(rod) is limited in the outside of described pedestal; Described nut comprises nut body and is oppositely arranged on two coupling shafts of nut body both sides, each described coupling shaft is connected with the measurement column coaxial with it, two described measurement columns coaxially arrange, and on the sidewall of described pedestal, correspondence is provided with slotted hole, and described slotted hole is stretched out in the outer end of described coupling shaft; In the described coupling shaft and measurement column of both sides, the coupling shaft of at least one side makes this measurement column advance along axis direction spiral for being threaded with measurement column, and described on the measurement column that is threaded and coupling shaft correspondence be provided with scale.
Scale on described measurement column of can spiral advancing circumferentially arranges on its cylinder, the direction setting of paralleling to the axis on its cylinder of the scale on described coupling shaft.
Described measurement column of can spiral advancing has with externally threaded connecting portion and is positioned at the groove of connecting portion periphery, the corresponding threaded hole that is provided with on the described coupling shaft being threaded with described measurement column of can spiral advancing, described connecting portion is threaded with described threaded hole, and the outer end of described coupling shaft embeds in described groove.
Described coupling shaft with described measurement column of can spiral advancing is threaded, is threadedly connected to described nut body.
With the described coupling shaft that described measurement column of can spiral advancing is threaded, clamping or key are connected in described nut body.
The connected described measurement column of each described coupling shaft coaxially arranges.
The axis direction of described two measurement columns is vertical with the axis direction of described adjusting screw(rod).
The outer end of described two measurement columns is cone tip shape.
The top of described adjusting screw(rod) is provided with operating grip.
Described limiting component is the limiting plate that is removably connected in described pedestal, and it comprises the split limiting plate of two relative amalgamations.
Compared with prior art, the utlity model has following advantage and good effect: by adjusting screw(rod) and nut, coupling shaft and the measurement column of threaded engagement are set, and therein on the coupling shaft of a side and measurement column correspondence scale is set, spiral by measurement column on coupling shaft is advanced and is realized measurement function, each structure member is integrated on pedestal simultaneously, make the utility model compact conformation, can insert easily in hole or groove and carry out inner diameter measurement, especially be convenient to internal diameter is less or the degree of depth is larger hole or the inner diameter measurement of groove; By the restriction of pedestal, make the elevating movement of nut energy relative adjustment screw rod, realize and adopted a playscript with stage directions utility model inner diameter measuring device to measure the internal diameter at different depth place in hole or groove, improve and measure efficiency, be applicable to various working.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-inner diameter measuring device;
Fig. 2 is the longitudinal sectional view of Fig. 1;
Fig. 3 is that the scale of measurement mechanism in the utility model embodiment mono-arranges schematic diagram;
Fig. 4 is structural representation when inner diameter measuring device is measured embedding piece groove in the utility model embodiment;
Fig. 5 is the longitudinal sectional view of the utility model embodiment bis-inner diameter measuring devices.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model inner diameter measuring device, comprise pedestal 1, the vertical adjusting screw(rod) 2 arranging, the nut 3 being threaded with adjusting screw(rod) 2, it is hollow rectangular-shaped that pedestal 1 is, its top is provided with limiting component 4, the bottom of adjusting screw(rod) 2 and nut 3 are arranged in the internal cavities of pedestal 1, the top of adjusting screw(rod) 2 is limited in the outside of pedestal 1 by limiting component 4, thereby adjusting screw(rod) 2 can only be rotated, can not oscilaltion campaign; Nut 3 comprises nut body 3.1 and is arranged on the coupling shaft 3.2,3.3 on nut body 3.1 both sides, two coupling shafts 3.2,3.3 are oppositely arranged, and coupling shaft 3.2 is connected with measurement column 5, coupling shaft 3.3 is connected with measurement column 6, be that coupling shaft 3.2 and measurement column 5 are positioned at the same side, coupling shaft 3.3 and measurement column 6 are positioned at the same side, and two measurement columns 5,6 coaxially arrange simultaneously; In each sidewall of pedestal 1, on the two side corresponding with two coupling shaft 3.2,3.3 positions, be equipped with slotted hole 9, and slotted hole 9 is stretched out in the outer end of coupling shaft 3.2,3.3, to limit the rotational freedom of nut 3, make it only can carry out elevating movement along the axis direction of adjusting screw(rod) 2; For realizing measurement function of the present utility model, the syndeton between measurement column and the coupling shaft of at least one side makes this measurement column advance along its axis direction spiral for being threaded, and on this measurement column being threaded and coupling shaft, correspondence is provided with scale 7,8.
Adopt the utility model inner diameter measuring device, by one of them measurement column, the spiral on coupling shaft is advanced and can be realized measurement function on the one hand, coupling shaft 3.2,3.3 is oppositely arranged and measurement column 5,6 coaxially arranges, thereby guarantee that measured value is the internal diameter of hole or groove, each structure member is integrated on pedestal simultaneously, make the utility model compact conformation, can insert easily in hole or groove and carry out inner diameter measurement, especially solve the inner diameter measurement problem of the hole that internal diameter is less or the degree of depth is larger or groove; On the other hand, slotted hole 9 had both played the restriction to nut 3 rotational freedoms, also as the stroke space of coupling shaft 3.2,3.3, when thereby operation adjusting screw(rod) 2 makes nut 3 along 2 lifting of adjusting screw(rod) bar, can drive coupling shaft 3.2,3.3 and measurement column 5,6 elevating movements, so that the internal diameter size at different depth place in measurement column 5,6 measured holes or groove.
Elaborate concrete assembling structure and measuring principle and the process of described inner diameter measuring device below by specific embodiment.
Embodiment mono-
See figures.1.and.2, in the present embodiment, measurement column 5 and coupling shaft 3.2 are for being threaded, be that measurement column 5 can be advanced along axis direction spiral on coupling shaft 3.2, by by precession or the back-out of measurement column 5 relative nuts 3, realize this measurement column 5 advances along its axis direction spiral on coupling shaft 3.2, the measurement column 6 of opposite side is connected by screw or the mode such as key connection is connected in coupling shaft 3.3, guarantee that it maintains static, when measurement column 5 precessions are to the end of threaded engagement, can not continue again precession, now the distance minimum of measurement column 5,6 outermost end; Scale 7 is circumference setting on the cylinder of measurement column 5, and the direction setting and scale 8 parallels to the axis on the cylinder of coupling shaft 3.2, makes the scale setting principle of the present embodiment inner diameter measuring device be similar to milscale, the conversion of scale and arrange simple and convenient.
Describe with regard to scale setting and the counting principle of the present embodiment inner diameter measuring device below:
With reference to Fig. 3, scale 8 on coupling shaft 3.2 is made up of two parts, the whole millimeter scale of bottom and half millimeter of scale on top, the total scale value of scale 7 on measurement column 5 is 0.5mm, be divided into 50 little lattice of scale, each little lattice are 0.01mm, in the time that the scale zero on the scale zero on measurement column 5 and coupling shaft 3.2 coincides, the distance minimum of measurement column 5,6 outermost end is known fixed x.It is 1mm that measurement column 5 often turns two weeks corresponding displacement, therefore in the first lap after measurement column 5 leaves the whole millimeter scale on coupling shaft 3.2, the reading that the whole millimeter on available coupling shaft 3.2 adds on measurement column 5 is reinforced definite value x again, is measured value; When measurement column 5 rotate the number of turns first lap and second circle between time, now can see half millimeter of scale value on coupling shaft 3.2, at this moment the reading on coupling shaft 3.2 is that whole millimeter adds 0.5, then adds the reading of measurement column 5, then reinforces definite value x, is measured value.Reading is 5.88 as shown in Figure 3, and actual measured value is 5.88+x.
For ease of processing and assembling, and scale setting between measurement column 5 and coupling shaft 3.2, in the present embodiment, the measurement column of coupling shaft 3.2,3.3 connections corresponding to it 5,6 is coaxially arranged.
Due to the rotation for restriction nut 3, two coupling shafts 3.2, slotted hole 9 is stretched out in 3.3 outer end, coupling shaft 3.2, the distance of 3.3 outermost end certainly will be greater than the width of pedestal 1, if by coupling shaft 3.2, 3.3 with nut body 3.1 one-body molded or adopt other be difficult to dismounting syndetons (as welding, screw connection etc.), very trouble of manufacture while making it be assembled on pedestal 1 and assembling, efficiency is low, or slotted hole 9 must be made to upper end and the outside through hole being connected of pedestal 1 for the ease of assembling, can greatly reduce like this intensity of pedestal 1, while causing moulding, be out of shape, and then affect measuring accuracy.For head it off, as the preferred forms of the utility model inner diameter measuring device, one end that in the present embodiment, coupling shaft 3.2,3.3 is connected with nut body 3.1 also arranges screw thread, on nut body 3.1, correspondence arranges threaded hole, employing helicitic texture connects, be convenient to assembling, and when assembling in, at least adopts torque spanner turn to tightening state between coupling shaft 3.2 and nut body 3.1, with guarantee not can due to the turn of measurement column 5 on coupling shaft 3.2 lead cause between coupling shaft 3.2 and nut body 3.1, be threaded loosening.
Certainly, also can adopt the syndeton that other can easy removal, such as clamping or key are connected in etc.
During due to measurement, measurement column 5,6 is positioned at hole or groove inside, and hole or groove internal diameter are less, the inconvenient axis direction of adjusting measurement column 5,6 in hole or groove and hole or groove internal diameter are in the same way, in the present embodiment, the axis direction of measurement column 5,6 is vertical with the axis direction of adjusting screw(rod) 2, as long as guarantee the verticality of adjusting screw(rod) 2, can solve the problems of the technologies described above, improve measuring accuracy and measured efficiency.
The angle from improving measuring accuracy equally, due to hole or channel profiles be generally cylindric, in the present embodiment the outer end of measurement column 5,6 be set to pointed, to reduce as far as possible the contact area of itself and hole or groove inwall, reduce to measure cumulative errors, be applicable to the measurement of groove inwall each point.
In addition, for ease of the rotation of adjusting screw(rod) 2, its top is provided with operating grip 10, and so, only need apply less power is rotatable adjusting screw(rod) 2, time saving and energy saving; In the present embodiment, operating grip 10, perpendicular to the axis direction of adjusting screw(rod) 2, can weld setting or one-body molded with adjusting screw(rod) 2.
Based on technique scheme, optionally, for ease of the assembling of the present embodiment inner diameter measuring device, limiting component 4 is for being removably connected in the limiting plate of pedestal 1, can be arranged on pedestal 1 by the mode of screw fastening, the split limiting plate 4.1 that limiting plate comprises two relatively and amalgamation arranges, forms the central through hole that diameter is less than adjusting screw(rod) 2 top diameters on amalgamation rear position margining plate, thereby the top of adjusting screw(rod) 2 is limited in to pedestal 1 outside, makes the adjusting screw(rod) 2 can not elevating movement.
To measure the internal diameter of embedding piece groove 11 as example, the step that adopts the present embodiment inner diameter measuring device to carry out inner diameter measurement is: 1, first with vernier caliper, embedding piece groove 11 is carried out to preliminary survey, utilize preliminary survey numerical value that measurement column 5 is adjusted to the position that scale value is slightly less than preliminary survey numerical value; 2, this inner diameter measuring device is placed in groove, the outer end 6.1 of fixed measurement column 6 contacts groove inwall, continues to adjust measurement column 5, until its outer end 5.1(is also measuring junction) contact with groove inwall opposite side, reading, as shown in Figure 4.
Embodiment bis-
Different from above-described embodiment is, for improving efficiency of assembling, in the present embodiment, measurement column 6 also adopts and is threaded with coupling shaft 3.3, as long as when the zero graduation of scale 7 and scale 8 overlaps, spacing between measurement column 5,6 is above-mentioned known fixed, and while measurement, not turn measurement column 6, guarantees that it maintains static.
Certainly, for further expanding usable range of the present utility model, facilitate the use under the different operating modes of user, also can on measurement column 6 and coupling shaft 3.3, by the scale set-up mode described in embodiment mono-, scale be set, when measurement, which measurement column user can select as reference measurement gauge head at zero point according to concrete operating mode, and this measurement column zeroing is maintained static, and uses another measurement column to adjust measurement.
Above embodiment is only in order to the technical solution of the utility model to be described, but not is limited; Although the utility model is had been described in detail with reference to previous embodiment, for the person of ordinary skill of the art, the technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. an inner diameter measuring device, it is characterized in that: comprise hollow base, the vertical adjusting screw(rod) arranging, the nut being threaded with described adjusting screw(rod), the bottom of described adjusting screw(rod) and described nut are positioned at described pedestal, and the top of described pedestal is provided with limiting component the top of described adjusting screw(rod) is limited in the outside of described pedestal; Described nut comprises nut body and is oppositely arranged on two coupling shafts of nut body both sides, each described coupling shaft is connected with measurement column, two described measurement columns coaxially arrange, and on the sidewall of described pedestal, correspondence is provided with slotted hole, and described slotted hole is stretched out in the outer end of described coupling shaft; In the described coupling shaft and measurement column of both sides, the coupling shaft of at least one side makes this measurement column advance along its axis direction spiral for being threaded with measurement column, and on this measurement column being threaded and coupling shaft, correspondence is provided with scale.
2. inner diameter measuring device according to claim 1, is characterized in that: the scale on described measurement column of can spiral advancing circumferentially arranges on its cylinder, the direction setting of paralleling to the axis on its cylinder of the scale on described coupling shaft.
3. inner diameter measuring device according to claim 2, it is characterized in that: described measurement column of can spiral advancing has with externally threaded connecting portion and is positioned at the groove of connecting portion periphery, the corresponding threaded hole that is provided with on the described coupling shaft being threaded with described measurement column, described connecting portion is threaded with described threaded hole, and the outer end of described coupling shaft embeds in described groove.
4. inner diameter measuring device according to claim 3, is characterized in that: the described coupling shaft with described measurement column of can spiral advancing is threaded, is threadedly connected to described nut body.
5. inner diameter measuring device according to claim 3, is characterized in that: with the described coupling shaft that described measurement column of can spiral advancing is threaded, clamping or key are connected in described nut body.
6. inner diameter measuring device according to claim 2, is characterized in that: the connected described measurement column of each described coupling shaft coaxially arranges.
7. according to the inner diameter measuring device described in any one in claim 1 to 6, it is characterized in that: the axis direction of described two measurement columns is vertical with the axis direction of described adjusting screw(rod).
8. inner diameter measuring device according to claim 7, is characterized in that: the outer end of described two measurement columns is cone tip shape.
9. inner diameter measuring device according to claim 7, is characterized in that: the top of described adjusting screw(rod) is provided with operating grip.
10. inner diameter measuring device according to claim 7, is characterized in that: described limiting component is the limiting plate that is removably connected in described pedestal, and it comprises the split limiting plate of two relative amalgamations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320885736.2U CN203642851U (en) | 2013-12-31 | 2013-12-31 | Inner diameter measuring device |
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CN201320885736.2U CN203642851U (en) | 2013-12-31 | 2013-12-31 | Inner diameter measuring device |
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CN203642851U true CN203642851U (en) | 2014-06-11 |
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CN201320885736.2U Expired - Lifetime CN203642851U (en) | 2013-12-31 | 2013-12-31 | Inner diameter measuring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106500568A (en) * | 2016-12-16 | 2017-03-15 | 苏州美瑞时科技有限公司 | A kind of adjustable height instrument gauge head |
-
2013
- 2013-12-31 CN CN201320885736.2U patent/CN203642851U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106500568A (en) * | 2016-12-16 | 2017-03-15 | 苏州美瑞时科技有限公司 | A kind of adjustable height instrument gauge head |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200915 Address after: No.6, Ronggui Rongqi Avenue East, Foshan City, Guangdong Province Patentee after: FOSHAN SHUNDE RONGSHENG PLASTIC Co.,Ltd. Address before: 266114 Shandong city of Qingdao province high tech Industrial Development Zone, Juxian Bridge Road No. 17 Patentee before: QINGDAO HISENSE MOULD Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140611 |