CN217132044U - Cross section size measuring device - Google Patents
Cross section size measuring device Download PDFInfo
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- CN217132044U CN217132044U CN202123320533.2U CN202123320533U CN217132044U CN 217132044 U CN217132044 U CN 217132044U CN 202123320533 U CN202123320533 U CN 202123320533U CN 217132044 U CN217132044 U CN 217132044U
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Abstract
The utility model discloses a cross sectional dimension measuring device, including first measuring arm, second measuring arm and dipperstick, the rear end of first measuring arm with the rear end of second measuring arm rotates through the pivot to be connected, the first sense terminal of first measuring arm front end with the second sense terminal of second measuring arm front end sets up relatively, the dipperstick is fixed first measuring arm just is provided with and is used for the reaction first sense terminal with the scale of second sense terminal interval. In this cross section size measuring device, through first measuring arm and the rotatory connection of second measuring arm, then the cooperation dipperstick to make can be with utilizing the relation between length soon and the contained angle, will measure thickness and turn into the measurement angle, and then made things convenient for thickness measurement greatly, especially to the measurement of middle part indent or evagination department partial thickness. In conclusion, the cross-section dimension measuring device can effectively solve the problem that the thickness of the plate is inconvenient to measure.
Description
Technical Field
The utility model relates to a measuring tool technical field, more specifically say, relate to a cross sectional dimension measuring device.
Background
The cross-sectional dimension of the wall is an important item in actual measurement, most of the existing measurement methods are to measure the side surface of the wall by using a ruler, but the method can only measure the side surface dimension of the wall in a one-sided manner.
In summary, how to effectively solve the problem that the cross-sectional dimension of the wall is difficult to measure is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a cross-sectional dimension measuring device, which can effectively solve the problem that the cross-sectional dimension of a wall is difficult to measure.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a cross-sectional dimension measuring device, includes first measuring arm, second measuring arm and dipperstick, the rear end of first measuring arm with the rear end of second measuring arm rotates through the pivot to be connected, the first sense terminal of first measuring arm front end with the second sense terminal of second measuring arm front end sets up relatively, the dipperstick is fixed first measuring arm just is provided with and is used for the reaction first sense terminal with the scale of second sense terminal interval.
In the cross-section dimension measuring device, when the cross-section dimension measuring device is used, the first measuring arm and the second measuring arm are calibrated, when the first measuring end is in contact with the second measuring end, the corresponding length scale mark is zero, the first measuring arm and the second measuring arm are far away from each other and rotate, then the first measuring end and the second measuring end are respectively positioned at two sides of an object to be measured, and then the first measuring arm and the second measuring arm are close to each other and rotate, so that the first measuring end and the second measuring end are respectively abutted against two sides of the object to be measured. The distance between first measuring end and the second measuring end can reflect on the measurement scale of dipperstick this moment, and then realizes the thickness measurement. In this cross section size measuring device, through first measuring arm and the rotatory connection of second measuring arm, then the cooperation dipperstick to make can be with utilizing the relation between length soon and the contained angle, will measure thickness and turn into the measurement angle, and then made things convenient for thickness measurement greatly, especially to the measurement of middle part indent or evagination department partial thickness. In conclusion, the cross-section dimension measuring device can effectively solve the problem that the thickness of the plate is inconvenient to measure.
Preferably, the device further comprises a pointer fixed relative to the second measuring arm; and as the second measuring arm rotates relative to the first measuring arm, the tip of the pointer moves along the length scale on the measuring scale.
Preferably, the measuring scale is arc-shaped and is coaxially arranged with the rotating shaft; the pointer is linear type, and just one end extends to the pivot, the other end extends to the dipperstick.
Preferably, the middle part of the first measuring arm and the middle part of the second measuring arm are both provided with a handle sleeve.
Preferably, the handle sleeve on the first measuring arm and the handle sleeve on the second measuring arm are both provided with an annular part at the side far away from each other.
Preferably, a distance between the first detection end and the rotating shaft is equal to a distance between the second detection end and the rotating shaft.
Preferably, the first detection end and the second detection end are both sharp ends; the first measuring arm and the second measuring arm can rotate relatively to: the tip of the first detection end is abutted against the tip of the second detection end.
Preferably, the first detection end and the second detection end are both sleeved with a conical sharp sleeve which can be pulled out.
Preferably, the front end of the first measuring arm and the front end of the second measuring arm are curved toward an arc.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cross-sectional dimension measuring device provided in an embodiment of the present invention when two ends are opened;
fig. 2 is a schematic structural diagram of a cross-sectional dimension measuring device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cross-sectional dimension measuring device in a measuring state according to an embodiment of the present invention.
The drawings are numbered as follows:
a first measuring arm 1, a second measuring arm 2, a measuring scale 3, a pointer 4, a handle sleeve 5, a conical tip sleeve 6 and an annular part 51.
Detailed Description
The embodiment of the utility model discloses cross sectional dimension measuring device, this cross sectional dimension measuring device can solve the difficult measuring problem of wall body cross sectional dimension effectively.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a cross-sectional dimension measuring device with two open ends according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a cross-sectional dimension measuring device according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a cross-sectional dimension measuring device in a measuring state according to an embodiment of the present invention.
In one embodiment, the present embodiment provides a cross-sectional dimension measuring device, such as a wall cross-sectional dimension measuring device, for measuring the thickness of a wall. Specifically, the cross-sectional dimension measuring device includes a first measuring arm 1, a second measuring arm 2, and a measuring scale 3.
Wherein the rear end of the first measuring arm 1 and the rear end of the second measuring arm 2 are rotatably connected by a rotating shaft, wherein the first detecting end at the front end of the first measuring arm 1 and the second detecting end at the front end of the second measuring arm 2 are oppositely arranged, so that the first detecting end and the second detecting end are respectively attached to two sides of the wall, so that when the first measuring arm 1 rotates relative to the second measuring arm 2, the first detecting end and the second detecting end are far away or close to each other, therefore, the distance between the first detecting end and the second detecting end can be obtained by the rotation angle of the first measuring arm 1 relative to the second measuring arm 2, specifically, the distance can be obtained by a chord length formula, such as distance a is 2Rsin (α/2), wherein α is the included angle between the first detecting end and the second detecting end relative to the rotating shaft, R is the distance from the first detecting end to the rotating shaft, and the distance from the second detecting end to the rotating shaft, therefore, in order to better realize the measuring effect, the distance between the first detection end and the rotating shaft can be equal to the distance between the second detection end and the rotating shaft.
Wherein dipperstick 3 is fixed first measuring arm 1 just is provided with and is used for reacting first sense terminal with the scale of second sense terminal interval. That is, as described above, since the first detecting end corresponds to the second detecting end and the included angle therebetween, the distance between the first detecting end and the second detecting end can be reflected by the rotation angle of the second measuring arm 2 relative to the first measuring arm 1, so that when the second measuring arm 2 rotates relative to the measuring scale 3, the length scale of the relative measuring scale 3 can move, and the distance between the first detecting end and the second detecting end can be read by the length scale engraved on the measuring scale 3. Specifically, wherein the dipperstick structure is like the angular surveying chi, and in practical application, according to the relation of angle and chord length, can turn into length with the angle, carve on the dipperstick, certainly also can only show the angle, and corresponding distance value can be obtained through looking up the table in later stage.
In the cross-section dimension measuring device, when the cross-section dimension measuring device is used, the first measuring arm 1 and the second measuring arm 2 are calibrated, when the first measuring end is in contact with the second measuring end, the corresponding scale mark is zero, the first measuring arm 1 and the second measuring arm 2 are far away from each other and rotate, then the first measuring end and the second measuring end are respectively positioned at two sides of an object to be measured, and then the first measuring arm and the second measuring arm are close to each other and rotate, so that the first measuring end and the second measuring end are respectively abutted against two sides of the object to be measured. The distance between the first measuring end and the second measuring end can then be reflected on the measuring scale of the measuring scale 3, and thickness measurement is then achieved. In this cross section size measuring device, rotate through first measuring arm 1 and second measuring arm 2 and connect, then the cooperation dipperstick 3 to make can be with utilizing the relation between length soon and the contained angle, will measure thickness and turn into the measurement angle, and then made things convenient for thickness measurement greatly, especially to the measurement of middle part indent or evagination department part thickness. In conclusion, the cross-section dimension measuring device can effectively solve the problem that the thickness of the plate is inconvenient to measure.
Further, in order to facilitate reading of the measurement values, it is preferable to include a pointer 4 here. In particular, it preferably also comprises a pointer 4 fixed with respect to the second measuring arm 2; and as the second measuring arm 2 is rotated relative to the first measuring arm 1, the tip of the pointer 4 moves along the scale on the measuring scale 3.
Wherein pointer 4 installs at second measuring arm 2, and the mounted position can set up as required to when guaranteeing that second measuring arm 2 rotates relative first measuring arm 1, pointer 4's pointed end can move along length scale, and pointer 4 corresponds also is revolving around the pivot this moment.
Further, for better measuring, preferred dipperstick 3 is the arc line type here, and with the pivot coaxial arrangement, the scale that corresponds also preferably is the arc line type and distributes, and specific scale portrayal form can be the same with angle scale portrayal form, and the numerical value also can be the demonstration angle, also can be the length numerical value that shows and the angle corresponds, and is specific, dipperstick 3 can adopt general angle measurement chi even.
Correspondingly, the pointer 4 can be made to be linear, and one end of the pointer extends to the rotating shaft, and the other end of the pointer extends to the measuring scale 3. The pointer 4 needs to be zeroed for convenience of reading, and here, the pointer 4 is preferably capable of rotating around a rotating shaft relative to the second measuring arm 2 to adjust the relative position between the pointer 4 and the second measuring arm 2, specifically, the second measuring arm 2 and the pointer 4 can be rotatably connected around the axis of the rotating shaft, and a locking device, such as a locking screw, is provided to be capable of locking the positional relationship between the second measuring arm 2 and the pointer 4; it is of course also possible for a relatively large frictional resistance to be formed between the pointer 4 and the second measuring arm 2, so that the pointer 4 cannot be rotated freely.
Further, in order to facilitate rotation, the middle parts of the first measuring arm 1 and the second measuring arm 2 are respectively provided with a handle sleeve 5, so that the handle sleeves 5 can be conveniently held by two hands to push the first measuring arm 1 and the second measuring arm 2 to rotate relatively. For better, the force is applied by the handle sleeve 5, and here, the side of the handle sleeve 5 on the first measuring arm 1, which is far away from the side of the handle sleeve 5 on the second measuring arm 2, is preferably provided with a ring-shaped part 51 to facilitate the hand to extend into.
Further, in order to achieve better measuring effect, it is preferable that the first detecting end and the second detecting end are both tips; and preferably the first measuring arm 1 and the second measuring arm 2 can be relatively rotated to: the tip of the first detection end is abutted against the tip of the second detection end. And the tip is adopted, so that the measurement precision can be better ensured. Here, in order to avoid scratching, it is preferable that the first detection end and the second detection end are both plastic parts.
Further, considering that the tip is in frictional contact with the wall surface and is easily worn in long-term use, it is preferable that the first detection end and the second detection end are both sleeved with the tapered tip sleeve 6 capable of being pulled out, so that the tapered tip sleeve 6 can be pulled out when the tapered tip sleeve 6 is worn. Wherein the preferred working of plastics or rubber spare of toper point cover 6, wherein first measuring arm 1, second measuring arm 2 are preferred to be the metalwork, like aluminum alloy spare, iron spare etc. and preferably the pipe fitting to guarantee the lightweight requirement.
For better measurement, it is preferred here that the front end of the first measuring arm 1 and the front end of the second measuring arm 2 are curved towards the arc to better bring the tips of the front ends of the two measuring arms into better contact, by the curves facing each other to better make the gap between the middle and rear portions of the first measuring arm 1 and the middle and rear portions of the second measuring arm 2 large enough to facilitate avoidance of objects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a cross section size measuring device, its characterized in that includes first measuring arm, second measuring arm and dipperstick, the rear end of first measuring arm with the rear end of second measuring arm is rotated through the pivot and is connected, the first sense terminal of first measuring arm front end with the second sense terminal of second measuring arm front end sets up relatively, the dipperstick is fixed first measuring arm just is provided with and is used for the reaction first sense terminal with the scale of second sense terminal interval.
2. The cross-sectional dimension measuring device of claim 1, further comprising a pointer fixed relative to the second measuring arm; and as the second measuring arm rotates relative to the first measuring arm, the tip of the pointer moves along the length scale on the measuring scale.
3. A cross-sectional dimension measuring device as claimed in claim 2, wherein said measuring scale is arcuate and is disposed coaxially with said rotary shaft; the pointer is linear type, and just one end extends to the pivot, the other end extends to the dipperstick.
4. A cross-sectional dimension measuring device as claimed in claim 3, wherein a grip is provided at each of the middle of the first measuring arm and the middle of the second measuring arm.
5. The cross-sectional dimension measuring device of claim 4, wherein the grip sleeve of the first measuring arm and the grip sleeve of the second measuring arm are provided with annular portions on the sides thereof away from each other.
6. A cross-sectional dimension measuring apparatus according to any one of claims 1 to 5, wherein the spacing of the first sensing end from the rotational axis is equal to the spacing of the second sensing end from the rotational axis.
7. The cross-sectional dimension measuring device of claim 6, wherein the first and second sensing ends are each a tip; the first measuring arm and the second measuring arm can rotate relatively to: the tip of the first detection end is abutted against the tip of the second detection end.
8. A cross-sectional dimension measuring device according to claim 7, wherein the first and second sensing ends are each fitted with a tapered extractable tip sleeve.
9. A cross-sectional dimension measuring device according to claim 8, wherein the front end of the first measuring arm and the front end of the second measuring arm are curved toward an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320533.2U CN217132044U (en) | 2021-12-27 | 2021-12-27 | Cross section size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320533.2U CN217132044U (en) | 2021-12-27 | 2021-12-27 | Cross section size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132044U true CN217132044U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123320533.2U Active CN217132044U (en) | 2021-12-27 | 2021-12-27 | Cross section size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217132044U (en) |
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2021
- 2021-12-27 CN CN202123320533.2U patent/CN217132044U/en active Active
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