CN202836442U - Device for measuring width of inner annular groove of workpiece hole - Google Patents
Device for measuring width of inner annular groove of workpiece hole Download PDFInfo
- Publication number
- CN202836442U CN202836442U CN 201220489727 CN201220489727U CN202836442U CN 202836442 U CN202836442 U CN 202836442U CN 201220489727 CN201220489727 CN 201220489727 CN 201220489727 U CN201220489727 U CN 201220489727U CN 202836442 U CN202836442 U CN 202836442U
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- handle
- axially extending
- measuring
- bulb
- extending bore
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a device for measuring the width of an inner annular groove of a workpiece hole. The device comprises a measurement body; a handle is arranged on the periphery of the measurement body; a measurement instrument and a support are arranged on the handle; a deflector rod is movably connected onto the support; one end of the measurement body passes through the central hole of the handle sleeve, and then the middle part of the measurement body is fixedly connected with the handle sleeve; an axial through hole is arranged on the measurement body, a sliding rod is slidingly matched inside the axial through hole, and one end of the sliding rod is connected with a ball head measurement body; a first demising groove which is located above the handle sleeve and a second demising groove which is located below the handle sleeve are respectively arranged on the periphery of the measurement body; one end of the deflector rod passes through the first demising groove and is then fixed with the sliding rod; one end of a measurement rod passes through the second demising groove and is then connected with the ball head measurement body; and the other end of the measurement rod is contacted with the measurement rod of the measurement instrument. The device disclosed by the utility model can carry out fast detection on the width of the annular groove inside the inner hole of the workpiece.
Description
Technical field
The utility model relates to field of measuring technique, is 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 1O 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 utility model provides a kind of workpiece hole inner groove width of measuring device, and the utility model 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 the utility model measured hole inner groove width, 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 utility model 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 utility model 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 utility model 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 |
|---|---|---|---|
| CN 201220489727 CN202836442U (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of inner annular groove of workpiece hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220489727 CN202836442U (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of inner annular groove of workpiece hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836442U true CN202836442U (en) | 2013-03-27 |
Family
ID=47948129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220489727 Expired - Fee Related CN202836442U (en) | 2012-09-24 | 2012-09-24 | Device for measuring width of inner annular groove of workpiece hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878898A (en) * | 2012-09-24 | 2013-01-16 | 常州市双成工具有限公司 | Device for measuring width of annular slot in workpiece hole |
| CN106767285A (en) * | 2017-03-17 | 2017-05-31 | 江苏太平洋精锻科技股份有限公司 | Machine components hole outer annular recess width dimensions quantitatively measuring device |
-
2012
- 2012-09-24 CN CN 201220489727 patent/CN202836442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878898A (en) * | 2012-09-24 | 2013-01-16 | 常州市双成工具有限公司 | Device for measuring width of annular slot in workpiece hole |
| CN106767285A (en) * | 2017-03-17 | 2017-05-31 | 江苏太平洋精锻科技股份有限公司 | Machine components hole outer annular recess width dimensions quantitatively measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130924 |