CN202974130U - Hole edge distance measurement instrument - Google Patents
Hole edge distance measurement instrument Download PDFInfo
- Publication number
- CN202974130U CN202974130U CN 201220701664 CN201220701664U CN202974130U CN 202974130 U CN202974130 U CN 202974130U CN 201220701664 CN201220701664 CN 201220701664 CN 201220701664 U CN201220701664 U CN 201220701664U CN 202974130 U CN202974130 U CN 202974130U
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- China
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- adjustable
- scale
- stopple
- hole
- vernier
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- Expired - Lifetime
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Abstract
The utility model discloses a hole edge distance measurement instrument, comprising an adjustable hole plug, a vernier and a scaleplate, wherein the adjustable hole plug is arranged at one end of the scaleplate; the vernier is arranged on the scaleplate and slides on the scaleplate; a reading device is arranged on the scaleplate; the adjustable hole plug is arranged in the measured round hole; the center of the measured round hole is in a fixed straight line in the adjustable hole plug; and the point of intersection of the fixed straight line and the scaleplate is the zero point of the scaleplate. The hole edge distance measurement instrument is characterized in that the adjustable hole plug is arranged and put in the round hole to determine the zero point (namely the center of the round hole); therefore, the hole edge distance measurement instrument is suitable for measuring the distances of round holes different in radius to the straight edge as the hole diameter of the hole plug is adjustable; besides, the adjustable hole plug also can be arranged at the vernier so that the distance between the centers of circles can be measured. Besides, the hole edge distance measurement instrument is high in practicability and accurate in measurement.
Description
Technical field
The utility model relates to a kind of surveying instrument, in particular limit, a kind of hole distance mearuring equipment.
Background technology
Existing range finding instrument, slide calliper rule for example are more accurate for the measurement of the distance while arriving, and operate also very convenient.But, measurement for some pitch-rows, particularly the plate fitment connection is substantially all done connection by the processing circular port, mark significant dimensions great majority be by the center of circle to the distance in the center of circle or the center of circle distance to straight flange, and use slide calliper rule just very inconvenient for the measurement of circular port, because the center of circle is bad to be determined, cause these to measure the inaccurate of quantity, thereby affect the manufacturing accuracy of furniture item, even affect user's service property (quality).
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide limit, a kind of hole distance mearuring equipment, be intended to solve existing range finding instrument can not Measurement accuracy the center of circle to the center of circle, the center of circle is to the distance of straight flange, thereby affect the problem of measuring accuracy.
The technical solution of the utility model is as follows: limit, a kind of hole distance mearuring equipment, wherein, comprise adjustable stopple, vernier and scale, and described adjustable stopple is arranged on an end of scale; Vernier is arranged on scale, and slides on scale; Be provided with reading device on scale: described adjustable stopple is placed in measured circular hole, the center of circle of measured circular hole in adjustable stopple one fixedly on straight line, the point that described fixedly straight line and scale intersect is the zero point of scale.
Limit, described hole distance mearuring equipment, wherein, comprise the first adjustable stopple, vernier and scale, the described first adjustable stopple is arranged to cone, the first large end of adjustable stopple radius is connected with vernier, and the point that the straight line at the high place of cone and scale intersect is the zero point of scale; Described vernier is arranged on scale, and slides on scale; Be provided with reading device on scale: the first adjustable stopple is placed in measured circular hole, and the center of circle of measured circular hole is on the straight line at the high place of cone.
Limit, described hole distance mearuring equipment, wherein, the described first adjustable stopple is arranged to the tape measure cone, is provided with retractor device in cone, and the bottom surface radius size of tape measure cone changes with the flexible of retractor device.
Limit, described hole distance mearuring equipment, wherein, described reading device is the scale that is engraved on scale.
Limit, described hole distance mearuring equipment, wherein, described reading device is the electronical display reading device, described electronical display reading device comprises electronic display, rotating disk sum counter; Described electronic display is arranged on above rotating disk, and counter is arranged on rotating disk, and electronic display is connected with counter; Rotating disk is connected with vernier, be connected by rope between rotating disk and the first adjustable stopple, the length of described rope and the length of scale are suitable, and the distance between the described rotating disk center of circle and zero point of scale is preset value, and described preset value and rotating disk radius all are recorded in counter.
Limit, described hole distance mearuring equipment wherein, is provided with the second adjustable stopple below described vernier, and the structure of described the second adjustable stopple is consistent with the first adjustable port plug structure.
Limit, described hole distance mearuring equipment wherein, also is provided with expansion link between described vernier and the second adjustable stopple.
The beneficial effects of the utility model: the utility model is by providing limit, a kind of hole distance mearuring equipment, this limit, hole distance mearuring equipment is by arranging adjustable stopple, adjustable stopple is placed in circular hole, to determine zero point (being the circular hole center of circle), because the aperture of stopple is adjustable, therefore can adapt to the circular hole of different radii to the measurement of straight flange distance; Can also adjustable stopple also be set at the vernier place, like this, just can measure center to the distance between the center of circle; This limit, hole distance mearuring equipment is practical, measures accurately.
Description of drawings
Fig. 1 is the structural front view of the utility model mesopore limit first embodiment of distance mearuring equipment.
Fig. 2 is the structure vertical view of the utility model mesopore limit first embodiment of distance mearuring equipment.
Fig. 3 is the structural front view of the utility model mesopore limit another embodiment of distance mearuring equipment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
This limit, hole distance mearuring equipment comprises adjustable stopple, vernier and scale, and described adjustable stopple is arranged on an end of scale; Vernier is arranged on scale, and slides on scale; Be provided with reading device on scale: described adjustable stopple is placed in measured circular hole, the center of circle of measured circular hole in adjustable stopple one fixedly on straight line, the point that described fixedly straight line and scale intersect is the zero point of scale.
As shown in Figure 1, be the structural front view of the utility model mesopore limit first embodiment of distance mearuring equipment.This limit, hole distance mearuring equipment comprises the first adjustable stopple 100, vernier 200 and scale 300, described adjustable stopple 100 is arranged to cone, the first large end of adjustable stopple 100 radiuses is connected with vernier 200, and the point that the straight line at the high place of cone and scale 300 intersect is the zero point of scale 300; Described vernier 200 is arranged on scale 300, and slides on scale 300; Be provided with reading device on scale 300.because the radius of cone different cross section is different, this just can adapt to the measured circular hole of different radii, the adjustable stopple 100 of cone first is placed in measured circular hole, the planes overlapping at the cross section that on cone, radius equates with measured circle hole radius and measured circular hole place, the center of circle of measured circular hole is on the straight line at the high place of the adjustable stopple 100 of cone first, the zero point of scale 300 is also on the straight line at the high place of the adjustable stopple 100 of cone, therefore, the zero point of the center of circle of measured circular hole and scale 300 is on same straight line, like this, just can guarantee to align with the center of circle zero point, guarantee to measure accurately.
In order to make this limit, hole distance mearuring equipment be applicable to the measured circular hole of more different radiis, the described first adjustable stopple 100 is arranged to tape measure cone (being that cone can stretch) as tape measure, be provided with retractor device (not shown in FIG.) in cone, the size of tape measure cone changes with the flexible of retractor device: the first adjustable stopple 100 is arranged to the tape measure cone, when retractor device extends, the tape measure cone stretches under the drive of retractor device, like this, the bottom surface radius of cone just can become greatly, to adapt to the larger measured circular hole of size; When needs were measured the small size circular hole, retractor device shortened, and the tape measure cone is retracted, and the bottom surface radius of cone diminishes, to adapt to the smaller measured circular hole of size.
As shown in Figure 2, be the structure vertical view of the utility model mesopore limit first embodiment of distance mearuring equipment.Reading device on described scale 300 can be for being engraved in the scale 310 on scale 300, like this, cone first is adjustable, and stopple 100 is placed in measured circular hole, vernier 200 is stuck on a certain straight flange, the scale 310 that vernier 200 slips on scale 300 is the measured circular hole center of circle to the distance of straight flange, like this, just can accurately measure circular hole to the straight flange distance.
Reading device on described scale 300 can also be electronical display reading device 320, and described electronical display reading device 320 comprises electronic display 321, rotating disk (not shown in FIG.) sum counter (not shown in FIG.); Described electronic display 321 is arranged on above rotating disk, and counter is arranged on rotating disk, and electronic display 321 is connected with counter; Rotating disk is connected with vernier 200, be connected by rope between rotating disk and the first adjustable stopple 100, the length of the length of described rope and scale 300 is suitable, the described rotating disk center of circle and the distance of scale between 300 zero points are preset value l, described preset value l and rotating disk radius r all are recorded in counter: when not needing to find range, vernier 200 is near zero point, and rope is on rotating disk; When vernier 200 slides on scale 300, rope on rotating disk is drawn out, rotating disk rotates corresponding number of turns n thereupon, the rolling counters forward number of turns, counter according to formula L(circular hole to straight flange distance)=the l(preset value)+2 π r*n(rotating disk radiuses) calculate circular hole to the straight flange distance, show in real time by electronic display 321.
As shown in Figure 3, be the structural front view of the utility model mesopore limit another embodiment of distance mearuring equipment.If need to measure circular hole to the distance between circular hole, determine because the circular hole center of circle is bad, can cause if directly vernier 200 is stuck in measurement in circular hole the error measured, therefore, the second adjustable stopple 210 is set below described vernier 200 simultaneously, and the structure of the described second adjustable stopple 210 is consistent with the first adjustable stopple 100 structures described above.The first adjustable stopple 100 is placed in one of them circular hole, vernier 200 slides into another circular hole place on scale 300, the second adjustable stopple 210 is placed in another circular hole, like this, just can determine the center of circle of two tested circular holes, thereby obtain the accurate distance between two circular holes.
in order to make this limit, hole distance mearuring equipment adapt to range observation between how different circular holes (two measured circular holes at grade or two measured circular holes at grade or not), also be provided with expansion link (not shown in FIG.) between described vernier and the second adjustable stopple 210: when two measured circular holes at grade the time, the first adjustable stopple 100 and the second adjustable stopple 210 radiuses identical plane will guarantee sustained height (the first adjustable stopple 100 is bee-line with the distance that the second adjustable stopple 210 radiuses identical plane measures at the sustained height guarantee), at this moment, if the identical plane of two adjustable stopple radiuses is not at same plane, expansion link just can stretch, make the first adjustable stopple 100 plane identical with the second adjustable stopple 210 radiuses at sustained height, guarantee the accurate of measurement, when two measured circular holes not at grade the time, measure two circular holes apart from the time, will stretch expansion link (the flexible length of expansion link is the vertical range of two circular holes), make the second adjustable stopple 210 elongations, the second adjustable stopple 210 is positioned in measured circular hole.
This limit, hole distance mearuring equipment is placed on adjustable stopple in circular hole by adjustable stopple is set, and to determine zero point (being the circular hole center of circle), because the aperture of stopple is adjustable, therefore can adapt to the circular hole of different radii to the measurement of straight flange distance; Can also adjustable stopple also be set at the vernier place, like this, just can measure center to the distance between the center of circle; This limit, hole distance mearuring equipment is practical, measures accurately.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improve and conversion all should belong to the protection domain of the utility model claims.
Claims (7)
1. limit, hole distance mearuring equipment, is characterized in that, comprises adjustable stopple, vernier and scale, and described adjustable stopple is arranged on an end of scale; Vernier is arranged on scale, and slides on scale; Be provided with reading device on scale: described adjustable stopple is placed in measured circular hole, the center of circle of measured circular hole in adjustable stopple one fixedly on straight line, the point that described fixedly straight line and scale intersect is the zero point of scale.
2. limit, hole according to claim 1 distance mearuring equipment, it is characterized in that, comprise the first adjustable stopple, vernier and scale, the described first adjustable stopple is arranged to cone, the first large end of adjustable stopple radius is connected with vernier, and the point that the straight line at the high place of cone and scale intersect is the zero point of scale; Described vernier is arranged on scale, and slides on scale; Be provided with reading device on scale: the first adjustable stopple is placed in measured circular hole, and the center of circle of measured circular hole is on the straight line at the high place of cone.
3. limit, hole according to claim 2 distance mearuring equipment, is characterized in that, the described first adjustable stopple is arranged to the tape measure cone, is provided with retractor device in cone, and the bottom surface radius size of tape measure cone changes with the flexible of retractor device.
4. limit, hole according to claim 2 distance mearuring equipment, is characterized in that, described reading device is the scale that is engraved on scale.
5. limit, hole according to claim 2 distance mearuring equipment, is characterized in that, described reading device is the electronical display reading device, and described electronical display reading device comprises electronic display, rotating disk sum counter; Described electronic display is arranged on above rotating disk, and counter is arranged on rotating disk, and electronic display is connected with counter; Rotating disk is connected with vernier, be connected by rope between rotating disk and the first adjustable stopple, the length of described rope and the length of scale are suitable, and the distance between the described rotating disk center of circle and zero point of scale is preset value, and described preset value and rotating disk radius all are recorded in counter.
6. according to claim 2-5 limit, the described hole of any one distance mearuring equipments, is characterized in that, is provided with the second adjustable stopple below described vernier, and the structure of described the second adjustable stopple is consistent with the first adjustable port plug structure.
7. limit, hole according to claim 6 distance mearuring equipment, is characterized in that, also is provided with expansion link between described vernier and the second adjustable stopple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701664 CN202974130U (en) | 2012-12-18 | 2012-12-18 | Hole edge distance measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701664 CN202974130U (en) | 2012-12-18 | 2012-12-18 | Hole edge distance measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974130U true CN202974130U (en) | 2013-06-05 |
Family
ID=48515191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220701664 Expired - Lifetime CN202974130U (en) | 2012-12-18 | 2012-12-18 | Hole edge distance measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047920A (en) * | 2012-12-18 | 2013-04-17 | 广东尚高科技有限公司 | Hole edge distance measuring instrument |
| CN103604346A (en) * | 2013-11-19 | 2014-02-26 | 中国农业大学 | Seedling transplanting hole parameter determination instrument |
-
2012
- 2012-12-18 CN CN 201220701664 patent/CN202974130U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047920A (en) * | 2012-12-18 | 2013-04-17 | 广东尚高科技有限公司 | Hole edge distance measuring instrument |
| CN103047920B (en) * | 2012-12-18 | 2015-10-21 | 广东尚高科技有限公司 | A kind of limit, hole distance mearuring equipment |
| CN103604346A (en) * | 2013-11-19 | 2014-02-26 | 中国农业大学 | Seedling transplanting hole parameter determination instrument |
| CN103604346B (en) * | 2013-11-19 | 2016-08-17 | 中国农业大学 | Culturing and transplanting seedlings cave parameter determinator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |