CN204100968U - The special bore gauge of internal groove inside diameter measurement - Google Patents
The special bore gauge of internal groove inside diameter measurement Download PDFInfo
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- CN204100968U CN204100968U CN201420486156.0U CN201420486156U CN204100968U CN 204100968 U CN204100968 U CN 204100968U CN 201420486156 U CN201420486156 U CN 201420486156U CN 204100968 U CN204100968 U CN 204100968U
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- intermediate bar
- gauge
- inside diameter
- outer tube
- inner sleeve
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses the special bore gauge of a kind of internal groove inside diameter measurement, comprise dial gauge, also comprise intermediate bar and gauge head, the measuring staff of described dial gauge has the flexible range of 30 to 50mm, the lower end of intermediate bar is fixed on the connecting link of dial gauge, and the upper end of intermediate bar is fixedly connected with gauge head.The utility model is the special measuring tool having the internal groove inside diameter measurement of step to design for solving inner hole of workpiece two end.
Description
Technical field
The utility model relates to a kind of measurer, is specifically related to the special bore gauge of a kind of internal groove inside diameter measurement.
Background technology
Measurement at present to the workpiece (as shown in Figure 1) in internal groove aperture, normally used is the special measuring tool such as manufacturer production " gun-type septal fossula rule ", " dial caliper guge ".Because this kind of measurer adopts leverage and gib head gauge head, much place restrictions on condition so have measuring object, and the precision of measurement result is also difficult to control.In production practices, often can encounter the bearing seat that endoporus is inside groove form, this kind of Product Precision requires high, and form is changeable.Existing special measuring tool is difficult to meet measures requirement, so the utility model has designed and produced the measurement requirement that internal groove aperture bore gauge meets production scene.
Summary of the invention
The utility model provides a kind of internal groove inside diameter measurement special bore gauge, and the utility model is the special measuring tool having the internal groove inside diameter measurement of step to design for solving inner hole of workpiece two end.
The technical scheme solved the problems of the technologies described above is as follows:
The special bore gauge of internal groove inside diameter measurement, comprises dial gauge, also comprises intermediate bar and gauge head, and the measuring staff of described dial gauge has the flexible range of 30 to 50mm, and the lower end of intermediate bar is fixed on the connecting link of dial gauge, and the upper end of intermediate bar is fixedly connected with gauge head.
The special bore gauge of this internal groove inside diameter measurement also comprises lock-screw and lock sleeve, described intermediate bar connects lower end and is provided with the first endoporus installing dial gauge, what intermediate bar connected lower end is circumferentially provided with radial opening groove, radial opening groove is connected with the first endoporus, the connecting link of dial gauge is inserted in the first endoporus of intermediate bar, described lock sleeve is enclosed within intermediate bar and connects on the cylindrical of lower end, is fastened as a whole by the connecting link of intermediate bar and dial gauge after lock-screw is threaded with lock sleeve.
The special bore gauge of this internal groove inside diameter measurement also comprises inner sleeve, outer tube and spring, the upper end of described intermediate bar is provided with the second axial endoporus, the wall surface of the hole of this second endoporus is provided with screw thread at least in part, the periphery of inner sleeve is provided with annular notch, the internal face of outer tube is provided with annular briquetting, inner sleeve is connected on the upper end of intermediate bar, outer tube is slidably fitted in after on inner sleeve, the annular notch of inner sleeve is closed formation ring cavity by the internal face of inner sleeve and annular briquetting, described spring fitting is in this ring cavity, one end of described gauge head extend in the second endoporus of intermediate bar and is connected with this second inner hole thread, the other end of gauge head is provided with the compressing tablet radially extended, the axis of this compressing tablet to outer tube compresses.
The outer circumference surface of the upper end of described intermediate bar is provided with external thread, and inner sleeve and intermediate bar are threaded connection.
The outer circumference surface of described inner sleeve is provided with groove, fix a locating piece in the cell, the tube wall of described outer tube is provided with accommodating chamber or opening, and when outer tube and inner sleeve are slidably matched, locating piece is inserted in accommodating chamber on outer tube or opening to be formed and is slidably matched.
The symmetria bilateralis of the outside wall surface of outer tube one end arrange a pair to radial direction extend protect bridge.
Have employed such scheme, the utility model is adopted to have the internal groove hole of step to measure for inner hole of workpiece two end, utilize the flexible stroke of dial gauge measuring staff to dodge the step of workpiece, enter in workpiece and measure in slotted eye, reading value will show on dial gauge.Because the flexible stroke of dial gauge measuring staff of the present utility model is very large, therefore bore gauge entirety is easy to enter into interior slotted eye, the utility model is directly contacted with inner hole of workpiece wall by dial gauge, not only meets measurement requirement, and improves measuring accuracy.And by the mating reaction of inner sleeve, outer tube and spring, outer tube is stretched, add after being provided with on outer tube and protecting bridge, add the verticality between measurer and workpiece and stability, therefore, further improve measuring accuracy.
accompanying drawing explanation
Fig. 1 is the schematic diagram of measured workpiece;
Fig. 2 is perspective view of the present utility model;
Fig. 3 is planar structure schematic diagram of the present utility model;
Fig. 4 adopts the utility model to the schematic diagram of workpiece calibration;
In accompanying drawing, 1 is dial gauge, and 2 is lock-screw, and 3 is lock sleeve, and 4 is intermediate bar, and 41 is annular protrusion, 42 is radial opening groove, and 5 is sleeve pipe, and 6 is outer tube, and 61 is annular briquetting, and 62 for protecting bridge, and 63 is opening, 7 is gauge head, and 71 is annular preform, and 8 is spring, and 9 for determine block position, and 10 is workpiece.
Embodiment
With reference to Fig. 2 and Fig. 3, the special bore gauge of internal groove inside diameter measurement, comprise dial gauge 1, also comprise intermediate bar 4 and gauge head 7, the measuring staff of described dial gauge 1 has the flexible stroke of 30 to 50mm, the lower end of intermediate bar 4 is fixed on the connecting link of dial gauge 1, and the upper end of intermediate bar 4 is fixedly connected with gauge head 7.The special bore gauge of this internal groove inside diameter measurement also comprises lock-screw 2 and lock sleeve 3, described intermediate bar 4 connects lower end and is provided with the first endoporus installing dial gauge, this first endoporus is stepped hole, can carry out spacing to the axial end of the connecting link of dial gauge 1 by step surface, the periphery of the lower end of intermediate bar 4 is also provided with annular protrusion 41, and this annular protrusion is for increasing the intensity of lower end.Intermediate bar 4 connect lower end be circumferentially provided with radial opening groove 42, radial opening groove 42 is connected with the first endoporus, has offered 4 radial opening grooves in the utility model.The connecting link of dial gauge 1 is inserted in the first endoporus of intermediate bar 4, and described lock sleeve 3 is enclosed within intermediate bar 4 and connects on lower end, is fastened as a whole by the connecting link of intermediate bar 4 with dial gauge 1 after lock-screw 2 is threaded with lock sleeve.
The special bore gauge of this internal groove inside diameter measurement also comprises inner sleeve 5, outer tube 6 and spring 8.The upper end of described intermediate bar 4 is provided with the second axial endoporus, and the wall surface of the hole of this second endoporus is provided with screw thread at least in part, and the second endoporus and the first endoporus are interconnected, and forms the through hole that runs through intermediate bar 4 two axial ends.The periphery of inner sleeve 5 is provided with annular notch, and the internal face of outer tube 6 is provided with annular briquetting 61, the symmetria bilateralis of the outside wall surface of outer tube 6 one end arrange a pair to radial direction extend protect bridge 62.Inner sleeve 5 is connected on the upper end of intermediate bar 4, outer tube 6 is slidably fitted in after on inner sleeve 5, the annular notch of inner sleeve 5 is closed formation ring cavity by the internal face of inner sleeve 6 and annular briquetting 61, described spring 8 is arranged in this ring cavity, thus one end of spring 8 is spacing by the annular notch wall on inner sleeve 5, the other end of spring 8 is then spacing by annular briquetting 61.Because outer tube 6 and inner sleeve 5 are slip cooperating relationship, therefore, when external force puts on outer tube 6, outer tube 6 overcomes acting force the sliding axially along inner sleeve 5 of spring, and spring 8 compresses by outer tube 6.When progressively resetting under the return action power of outer tube at spring 8, if the ends contact of outer tube has arrived the internal face of workpiece, then can increase the contact area with workpiece inner wall face by protecting bridge 62, and make bore gauge keep vertical state at inside workpiece, and the stability that increase bore gauge is located in inner hole of workpiece.
One end of described gauge head 7 extend in the second endoporus of intermediate bar 4 and is connected with this second inner hole thread, and the other end of gauge head 7 is provided with the compressing tablet 71 radially extended, and the axis of this compressing tablet 71 pairs of outer tubes 6 compresses.The outer circumference surface of the upper end of described intermediate bar 4 is provided with external thread, and inner sleeve 5 and intermediate bar 4 are threaded connection.The outer circumference surface of described inner sleeve 5 is provided with groove, fixes a locating piece 9 in the cell, and locating piece is key.The tube wall of described outer tube 6 is provided with accommodating chamber or opening 63, if accommodating chamber, its forming process can adopt mould shaping to outside wall surface swelling pressure from the internal face of inner sleeve, outside wall surface looks like the position of a protuberance, and on internal face, obtains the accommodating chamber that adds spatial accommodation; If opening, then directly on the tube wall of outer tube 6, carry out cut, excise from the axial end of outer tube by the shape of regulation, thus a formation opening.In order to the simplicity of processing technology in the utility model, employing be the form of opening.When outer tube 6 and inner sleeve 5 are slidably matched, locating piece 9 is inserted in accommodating chamber on outer tube 6 or opening to be formed and is slidably matched.Determine block position 9 to rotate for making outer tube 6 that circumference can not occur, and can only move axially along the axis of inner sleeve 5.
As shown in Figure 4, the utility model is the same with conventional bore gauge using method in the measurements, first according to measured dimensional requirement, by the entire length size of milscale school bore gauge, dial gauge pointer is arranged to zero-bit.Then the step utilizing the flexible stroke of dial gauge 1 measuring staff to dodge workpiece 10 enters in workpiece to be measured in slotted eye, and reading value will show on dial gauge.The groove narrow to groove width, as installed the internal diameter size of sealing class groove, the utility model is also measured by changing column bulb gauge head.Bore gauge of the present utility model is applicable to be greater than 150 millimeters of hole measurings, for the measurement of different pore size size, completes measurement by the intermediate bar 4 changing different length specification.Intermediate bar 4 can be the same with the measuring staff of mass runoff cylinder in standard, is made into all size dimensions length and changes.
Claims (6)
1. the special bore gauge of internal groove inside diameter measurement, comprise dial gauge, it is characterized in that: also comprise intermediate bar (4) and gauge head (7), the measuring staff of described dial gauge (1) has the flexible range of 30 to 50mm, the lower end of intermediate bar (4) is fixed on the connecting link of dial gauge (1), and the upper end of intermediate bar (4) is fixedly connected with gauge head (7).
2. the special bore gauge of internal groove inside diameter measurement according to claim 1, it is characterized in that: the special bore gauge of this internal groove inside diameter measurement also comprises lock-screw (2) and lock sleeve (3), described intermediate bar (4) connects lower end and is provided with the first endoporus installing dial gauge, intermediate bar (4) connect lower end be circumferentially provided with radial opening groove (42), radial opening groove (42) is connected with the first endoporus, the connecting link of dial gauge (1) is inserted in the first endoporus of intermediate bar (4), described lock sleeve (3) is enclosed within intermediate bar (4) and connects on the cylindrical of lower end, after lock-screw (2) is threaded with lock sleeve, the connecting link of intermediate bar (4) with dial gauge (1) is fastened as a whole.
3. the special bore gauge of internal groove inside diameter measurement according to claim 1, it is characterized in that: the special bore gauge of this internal groove inside diameter measurement also comprises inner sleeve (5), outer tube (6) and spring (8), the upper end of described intermediate bar (4) is provided with the second axial endoporus, the wall surface of the hole of this second endoporus is provided with screw thread at least in part, the periphery of inner sleeve (5) is provided with annular notch, the internal face of outer tube is provided with annular briquetting, inner sleeve (5) is connected to the upper end of intermediate bar (4), outer tube (6) is slidably fitted in after on inner sleeve (5), the annular notch of inner sleeve (5) is closed formation ring cavity by the internal face of inner sleeve and annular briquetting, described spring (8) is arranged in this ring cavity, one end of described gauge head (7) extend in the second endoporus of intermediate bar (4) and is connected with this second inner hole thread, the other end of gauge head (7) is provided with the compressing tablet radially extended, the axis of this compressing tablet to outer tube (6) compresses.
4. the special bore gauge of internal groove inside diameter measurement according to claim 3, it is characterized in that: the outer circumference surface of the upper end of described intermediate bar (4) is provided with external thread, inner sleeve (5) and intermediate bar (4) are threaded connection.
5. the special bore gauge of internal groove inside diameter measurement according to claim 3, it is characterized in that: the outer circumference surface of described inner sleeve (5) is provided with groove, fix a locating piece (9) in the cell, the tube wall of described outer tube (6) is provided with accommodating chamber or opening, when outer tube (6) and inner sleeve (5) are slidably matched, locating piece (9) is inserted in accommodating chamber on outer tube (6) or opening to be formed and is slidably matched.
6. the special bore gauge of internal groove inside diameter measurement according to claim 3, is characterized in that: the symmetria bilateralis of the outside wall surface of outer tube (6) one end arrange a pair to radial direction extend protect bridge (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486156.0U CN204100968U (en) | 2014-08-26 | 2014-08-26 | The special bore gauge of internal groove inside diameter measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486156.0U CN204100968U (en) | 2014-08-26 | 2014-08-26 | The special bore gauge of internal groove inside diameter measurement |
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| Publication Number | Publication Date |
|---|---|
| CN204100968U true CN204100968U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420486156.0U Active CN204100968U (en) | 2014-08-26 | 2014-08-26 | The special bore gauge of internal groove inside diameter measurement |
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| CN (1) | CN204100968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371722A (en) * | 2015-12-08 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Checking tool capable of measuring 0.7-dimension end surface teeth |
| CN107461190A (en) * | 2017-09-30 | 2017-12-12 | 中国矿业大学 | A kind of telescopic coal body aperture measurement device of mining gauge head |
-
2014
- 2014-08-26 CN CN201420486156.0U patent/CN204100968U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371722A (en) * | 2015-12-08 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Checking tool capable of measuring 0.7-dimension end surface teeth |
| CN107461190A (en) * | 2017-09-30 | 2017-12-12 | 中国矿业大学 | A kind of telescopic coal body aperture measurement device of mining gauge head |
| CN107461190B (en) * | 2017-09-30 | 2023-08-11 | 中国矿业大学 | Mining gauge head telescopic coal body aperture measuring device |
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