CN102878898A - Device for measuring width of annular slot in workpiece hole - Google Patents
Device for measuring width of annular slot in workpiece hole Download PDFInfo
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- CN102878898A CN102878898A CN2012103597513A CN201210359751A CN102878898A CN 102878898 A CN102878898 A CN 102878898A CN 2012103597513 A CN2012103597513 A CN 2012103597513A CN 201210359751 A CN201210359751 A CN 201210359751A CN 102878898 A CN102878898 A CN 102878898A
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- handle
- axially extending
- bulb
- measuring
- extending bore
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Abstract
The invention discloses a device for measuring the width of an annular slot in a workpiece hole. The device comprises a measurement body, wherein a handle is arranged on the circumferential surface of the measurement body; a measurement gauge and a bracket are arranged on the handle; a shifting rod is movably connected to the bracket; after one end of the measurement body passes through a central hole of a sleeve of the handle, the middle of the measurement body is fixedly connected with the sleeve of the handle; an axial through hole is formed in the measurement body; a sliding rod is matched in the axial through hole in a sliding manner; one end of the sliding rod is connected with a ball-head measurement body; a first avoiding slot positioned above the sleeve of the handle and a second avoiding slot positioned below the sleeve of the handle are respectively formed in the circumferential surface of the measurement body; one end of the shifting rod penetrates through the first avoiding slot and is fixed with the sliding rod; one end of a measurement rod penetrates through the second avoiding slot and is connected with the ball-head measurement body; and the other end of the measurement rod is in contact with a measurement rod of the measurement gauge. The device can quickly detect the width of the annular slot in an inner hole of a workpiece.
Description
Technical field
The present invention relates to field of measuring technique, be specifically related to a kind of workpiece hole inner groove width of measuring device.
Background technology
At mechanical processing industry, processing to inner groove is very general, but the universal measurement utensil can only be measured the shoulder hole annular groove degree of depth such as vernier caliper, vernier depth gauge etc. in a lot of situations, and the annular groove in the same aperture that can't put in measuring appliance then can't be measured.It is measured again consuming time expending of design specialized measuring tool, and special measuring tool uses limitation larger.Adopt precision measurement equipment, such as horizontal metroscope, three-dimensional etc., on-the-spot in-process measurement is seemed again very inconvenient, its cost is high, is not desirable.
Patent announcement number discloses a kind of conveniently measuring device for inner ring groove of part (with reference to Fig. 1) for the Chinese utility model patent of CN201748880U, limiting plate 7 is fixedly connected with bearing 8, meter-clamping apparatus 9 is fixedly connected with bearing 8, meter 11 is fixedly connected with meter-clamping apparatus 9, handle 5 is fixedly connected with slide bar 3, measurement dish 4 is fixedly connected with slide bar 3 usefulness pins, slide bar 3 rotates, is slidingly connected with bearing 8, back-up ring 2 is fixedly connected with slide bar 3, gauge head 1 is fixedly connected with slide bar 3, spring 10 is socketed in the outside of slide bar 3, and rotary stopper pin 6 is fixedly connected with the measurement dish.Cutting edge is arranged on the gauge head, can be insinuated in the inner ring groove of part, when beginning to measure, gauge head up-bite jaw, sliding bar just can go deep in the hole in piece part, and then the Rotate 180 degree is insinuated in the annular groove gauge head down-bite jaw.The effect of spring is to make the gauge head cutting edge can be adjacent to reliably the annular groove inwall.
Above-mentioned measurement mechanism can only be measured the axial dimension of annular groove, and can't measure the width of annular groove.
Summary of the invention
For above-mentioned technical matters, the purpose of this invention is to provide a kind of workpiece hole inner groove width of measuring device, the present invention can be fast detects the width of the ring groove in the inner hole of workpiece.
The technical scheme that realizes above-mentioned purpose is as follows:
Workpiece hole inner groove width of measuring device, comprise the measurement body, the side face of measuring body is provided with handle, a meter and support are set on this handle, be flexibly connected a driving lever on the support, after an end of measuring body passes from the sleeve center pit of handle, the middle part of measuring body is fixedly connected with the sleeve of handle, measure body and be provided with axially extending bore, a sliding bar is slidingly matched in axially extending bore, one end of this sliding bar connects a bulb and surveys body, the first slot to make way above the periphery of measuring body is respectively arranged with the sleeve that is positioned at handle, and the second slot to make way that is positioned at the sleeve below of handle, an end of described driving lever is fixed with sliding bar after passing the first slot to make way, one end of a measuring staff is connected with bulb survey body after passing the second slot to make way, and the other end of this measuring staff contacts with the measuring staff of meter.
Axially extending bore on the described measurement body is stepped hole, bulb is surveyed body and is comprised of bulb and right cylinder, described bulb is surveyed the right cylinder of body and the hole, large footpath of axially extending bore is slidingly matched, a spring housing is on sliding bar, one end of this spring is by the step location of axially extending bore, and the other end of spring is surveyed the cylindrical axial end location of body by bulb.
Be provided with the stop means for sliding bar in the axially extending bore of described measurement body.
Described stop means is comprised of spacing plug and semicylinder, one end of spacing plug is fixed in the axially extending bore, the other end of spacing plug reaches that axially extending bore is outer to be fixedly connected with semicylinder, axially being arranged vertically of the axial and semicylinder of spacing plug.
Adopted such scheme, when adopting measured hole inner groove width of the present invention, press driving lever, make the sliding bar Compress Spring, extend in the hole of workpiece measuring body, sliding bar is moved downward, sliding bar is surveyed the outside that body ejects axially extending bore with bulb, and bulb is surveyed body and dropped in the annular groove of workpiece, and the bulb parts that bulb is surveyed body are that the line face contacts with the notched joint synapsis of annular groove, therefore, finally draw the width that the chord length of contact site on the bulb is annular groove.And the bulb parts of surveying body when bulb and the notched joint synapsis of annular groove record the reading value of meter when to be the line face contact.Pull out gently handle, make bulb survey the body Compress Spring, the bulb of retrude is surveyed body drive measuring staff and is moved synchronously, the gauge head retraction of compression measurement face, after surveying the global groove of body travelling workpiece, bulb contacts with hole wall, the reading second time of record meter, the difference of twice reading are the high h of bow that bulb is surveyed body, can obtain according to following computing formula the width S of annular groove behind the high h of acquisition bow:
In the following formula, S is the width of annular groove, and D is the diameter of bulb, h by the bow on the survey bulb high.
It is not only quick to adopt mode of the present invention that annular groove is measured, and simple.
Description of drawings
Fig. 1 is the structural representation of measurement mechanism in the prior art;
Fig. 2 is the structural representation of of the present invention kind of measurement mechanism;
In the accompanying drawing, 1 is measuring staff, and 2 is handle, and 3 is sleeve, and 4 is meter, and 5 is workpiece, 6 is semicylinder, and 7 is sliding bar, and 8 is driving lever, and 9 is support, and 10 is spacing plug, and 11 is spring, 12 is bulb, and 13 are the measurement body, the first slot to make way 13a, and the second slot to make way 13b, 14 is right cylinder.
Embodiment
With reference to Fig. 2, workpiece hole inner groove width of measuring device of the present invention comprises and measures body 13 that the side face of measuring body is provided with handle 2, and a meter 4 and support 9 are set on this handle, and meter 4 is dial gauge.Be flexibly connected a driving lever 8 on the support 9, driving lever 8 is hinged on the support 9 by screw.After an end of measuring body 13 passed from sleeve 3 center pits of handle 2, the middle part of measuring body 13 was fixedly connected with the sleeve 3 of handle 2, and the outer circumference surface of measuring body 13 is provided with screw thread, and measurement body 12 is threaded with sleeve 3.Measure body 13 and be provided with axially extending bore, the axially extending bore of measuring on the body 13 is stepped hole.Be provided with the stop means for sliding bar in the axially extending bore of measurement body 13, an end of stop means is arranged in the diameter holes of axially extending bore.Stop means is comprised of spacing plug 10 and semicylinder 6, one end of spacing plug 10 is fixed in the axially extending bore, spacing plug 10 is connected in the axially extending bore threadably, the other end of spacing plug reaches outside the axially extending bore and is fixedly connected with semicylinder 6, axially being arranged vertically of the axial and semicylinder of spacing plug, semicylinder 6 is used for cooperating with the internal face of workpiece 5.The sliding bar 7 that is slidingly matched in axially extending bore, an end of this sliding bar connect a bulb and survey body.Bulb is surveyed body and is comprised of bulb 12 and right cylinder 14, and described bulb is surveyed the right cylinder 14 of body and the hole, large footpath of axially extending bore is slidingly matched.A spring 11 is enclosed within on the sliding bar 7, and an end of this spring 11 is by the step location of axially extending bore, and the other end of spring is surveyed the axial end location of the right cylinder 14 of body by bulb.The first slot to make way 13a above the periphery of measuring body 13 is respectively arranged with the sleeve 3 that is positioned at handle, and the second slot to make way 13b that is positioned at sleeve 3 belows of handle 2, one end of described driving lever 8 is fixed with sliding bar 7 after passing the first slot to make way 13a, one end of a measuring staff 1 is connected with bulb survey body after passing the second slot to make way 13b, and the other end of this measuring staff contacts with the measuring staff of meter 4.
Claims (4)
1. workpiece hole inner groove width of measuring device, it is characterized in that: comprise the measurement body, the side face of measuring body is provided with handle, a meter and support are set on this handle, be flexibly connected a driving lever on the support, after an end of measuring body passes from the sleeve center pit of handle, the middle part of measuring body is fixedly connected with the sleeve of handle, measure body and be provided with axially extending bore, a sliding bar is slidingly matched in axially extending bore, one end of this sliding bar connects a bulb and surveys body, the first slot to make way above the periphery of measuring body is respectively arranged with the sleeve that is positioned at handle, and the second slot to make way that is positioned at the sleeve below of handle, an end of described driving lever is fixed with sliding bar after passing the first slot to make way, one end of a measuring staff is connected with bulb survey body after passing the second slot to make way, and the other end of this measuring staff contacts with the measuring staff of meter.
2. workpiece hole inner groove width of measuring device according to claim 1, it is characterized in that: the axially extending bore on the described measurement body is stepped hole, bulb is surveyed body and is comprised of bulb and right cylinder, described bulb is surveyed the right cylinder of body and the hole, large footpath of axially extending bore is slidingly matched, a spring housing is on sliding bar, one end of this spring is by the step location of axially extending bore, and the other end of spring is surveyed the cylindrical axial end location of body by bulb.
3. workpiece hole inner groove width of measuring device according to claim 1 and 2 is characterized in that: be provided with the stop means for sliding bar in the axially extending bore of described measurement body.
4. workpiece hole inner groove width of measuring device according to claim 3, it is characterized in that: described stop means is comprised of spacing plug and semicylinder, one end of spacing plug is fixed in the axially extending bore, the other end of spacing plug reaches that axially extending bore is outer to be fixedly connected with semicylinder, axially being arranged vertically of the axial and semicylinder of spacing plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103597513A CN102878898A (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of annular slot in workpiece hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103597513A CN102878898A (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of annular slot in workpiece hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102878898A true CN102878898A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103597513A Pending CN102878898A (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of annular slot in workpiece hole |
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| Country | Link |
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| CN (1) | CN102878898A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411509A (en) * | 2013-08-08 | 2013-11-27 | 常州宝菱重工机械有限公司 | Swinging wall touch type groove width measuring device |
| CN105091819A (en) * | 2015-08-12 | 2015-11-25 | 北京中丽制机工程技术有限公司 | Weld gap measurement device and method |
| CN105352402A (en) * | 2015-12-10 | 2016-02-24 | 湖南南方宇航工业有限公司 | Measuring tool for measuring width of inclined plane inner ring groove |
| CN109443149A (en) * | 2018-12-13 | 2019-03-08 | 苏州英仕精密机械有限公司 | For measuring the device of groove width |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201748880U (en) * | 2010-06-18 | 2011-02-16 | 长春一汽天奇工艺装备工程有限公司 | Convenient and quick measuring device for inner ring groove of part |
| CN202836442U (en) * | 2012-09-24 | 2013-03-27 | 常州市双成工具有限公司 | Device for measuring width of inner annular groove of workpiece hole |
-
2012
- 2012-09-24 CN CN2012103597513A patent/CN102878898A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201748880U (en) * | 2010-06-18 | 2011-02-16 | 长春一汽天奇工艺装备工程有限公司 | Convenient and quick measuring device for inner ring groove of part |
| CN202836442U (en) * | 2012-09-24 | 2013-03-27 | 常州市双成工具有限公司 | Device for measuring width of inner annular groove of workpiece hole |
Non-Patent Citations (1)
| Title |
|---|
| 庞忠: "孔内环槽宽度检具", 《机械工人.冷加工》, 31 December 1995 (1995-12-31), pages 15 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411509A (en) * | 2013-08-08 | 2013-11-27 | 常州宝菱重工机械有限公司 | Swinging wall touch type groove width measuring device |
| CN103411509B (en) * | 2013-08-08 | 2016-02-17 | 常州宝菱重工机械有限公司 | Swing and touch wall type groove width measurement mechanism |
| CN105091819A (en) * | 2015-08-12 | 2015-11-25 | 北京中丽制机工程技术有限公司 | Weld gap measurement device and method |
| CN105352402A (en) * | 2015-12-10 | 2016-02-24 | 湖南南方宇航工业有限公司 | Measuring tool for measuring width of inclined plane inner ring groove |
| CN105352402B (en) * | 2015-12-10 | 2018-04-13 | 中国航发湖南南方宇航工业有限公司 | Inclined-plane inner groove width measure measurer |
| CN109443149A (en) * | 2018-12-13 | 2019-03-08 | 苏州英仕精密机械有限公司 | For measuring the device of groove width |
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Application publication date: 20130116 |