CN220507877U - Portable spiral micrometer device - Google Patents
Portable spiral micrometer device Download PDFInfo
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- CN220507877U CN220507877U CN202322153829.2U CN202322153829U CN220507877U CN 220507877 U CN220507877 U CN 220507877U CN 202322153829 U CN202322153829 U CN 202322153829U CN 220507877 U CN220507877 U CN 220507877U
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- 238000005259 measurement Methods 0.000 description 19
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Abstract
The utility model provides a portable spiral micrometer device, which comprises a bracket, a fixing structure, a spiral micrometer, a micrometer scale turntable structure, a piezoelectric induction bulb and a measuring needle, wherein the bracket is arranged on the bracket; the fixed end of the spiral micrometer is detachably connected with the bracket through a fixed structure, the ratchet device of the spiral micrometer is connected with the micrometer scale turntable structure, the micrometer scale turntable structure is arranged on the upper end face of the bracket, the measuring head of the spiral micrometer penetrates through the bracket, the measuring needle is connected with the measuring head of the spiral micrometer through the piezoelectric induction bulb, and the measuring needle is used for propping against a measured object. The portable spiral micrometer device solves the problem that the measuring head exceeds the required measuring position and the error of the measuring result is increased because the spiral micrometer in the related art easily rotates the ratchet device excessively in operation.
Description
Technical Field
The utility model belongs to the technical field of measurement, and particularly relates to a portable spiral micrometer device.
Background
A micrometer screw is a tool for measuring length and is made by using the principle of screw amplification. The accuracy is 0.01mm and is increased by reading one bit, and is therefore also called micrometer. The screw micrometer is provided with a measuring head and a dial. When the measuring head moves, the scales on the dial can generate corresponding displacement. Depending on the nature of the screw, the rotation of each thread is equal to a fixed length, so that the length of the object to be measured can be determined by reading the scale on the scale. The screw micrometer makes the measuring head contact with the measured object and gradually move until reaching the measuring position by rotating the ratchet device. Since the screw micrometer in the related art is easy to cause the operator to excessively rotate the ratchet device in operation, the measuring head exceeds the required measuring position, and the problem of increased error of the measuring result occurs.
Disclosure of Invention
In view of this, the present utility model aims to solve at least one of the related technical problems to some extent.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a portable spiral micrometer device comprises a bracket, a fixed structure, a spiral micrometer, a micrometer scale turntable structure, a piezoelectric induction bulb and a measuring needle;
the fixed end of the spiral micrometer is detachably connected with the bracket through the fixed structure, the ratchet device of the spiral micrometer is connected with the micrometer scale turntable structure, the micrometer scale turntable structure is arranged on the upper end surface of the bracket, the bracket is provided with a mounting hole matched with the fixed end of the spiral micrometer, the measuring needle is connected with the measuring head of the spiral micrometer through the piezoelectric induction bulb, and the measuring needle is used for propping against a measured object;
the micrometer scale turntable structure comprises a first transmission gear, a second transmission gear, a rotating shaft, a micrometer scale disc and a pointer, wherein the axis position of the first transmission gear is connected with a ratchet device of the screw micrometer, the first transmission gear is meshed with the second transmission gear, the second transmission gear is arranged at the top of the rotating shaft, the bottom of the rotating shaft is rotationally connected with the support, the axis position of the second transmission gear is connected with the micrometer scale disc, the pointer is arranged on the upper end face of the support, and the pointer is used for reading measured values after the micrometer scale disc rotates.
Further, the fixed knot constructs including two fixed struts, two arc fixed plates and two antiskid structure, every the arc fixed plate outside all with one fixed strut rigid coupling, fixed strut bottom with the support rigid coupling, every the arc fixed plate inboard corresponds and sets up one antiskid structure, the arc fixed plate can with the stiff end cooperation of spiral micrometer, two the arc fixed plate can dismantle the connection.
Further, a thickened base plate is arranged in the middle of the outer side of the arc-shaped fixing plate, and the thickened base plate is fixedly connected with the fixing support rod.
Further, the front end and the rear end of the arc-shaped fixing plate are respectively provided with a connecting plate, and the connecting plates of the two arc-shaped fixing plates positioned on the same side are connected through a plurality of screws.
Further, the anti-slip structure comprises a plurality of anti-slip rubber pads, the anti-slip rubber pads are arranged on the inner side of the arc-shaped fixing plate, and each anti-slip rubber pad is fixedly connected with the bundled arc-shaped fixing plate.
Further, the support up end is equipped with fixed axostylus axostyle, fixed axostylus axostyle with the pivot rotates to be connected, and the pivot bottom is equipped with rubber gasket.
Compared with the prior art, the portable spiral micrometer device has the following advantages:
the portable spiral micrometer device provided by the utility model has the advantage that the piezoelectric induction bulb can provide high-precision measurement results. The piezoelectric effect can convert electric energy into mechanical deformation, and when the measuring needle is contacted with an object to be measured, the measuring device can generate micro deformation and convert the micro deformation into an electric signal through the piezoelectric induction bulb for measurement. The conversion mode has higher sensitivity and accuracy, and can realize fine measurement. The piezoelectric induction bulb can respond to deformation rapidly and output an electric signal, so that real-time feedback information can be provided in the measuring process. This allows the operator to monitor the measurement in time, adjust the measurement parameters or take the necessary measures to ensure the accuracy and stability of the measurement. The fixation structure can provide good stability and support. Through the detachable connection of the fixed end of the spiral micrometer and the bracket, reliable fixation is realized, the measuring device is prevented from loosening or displacing in the use process, and the accuracy and the reliability of the measuring result are ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a portable screw micrometer device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a fixing structure according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a micrometer dial according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a bracket; 2. a screw micrometer; 3. a piezoelectric induction bulb; 4. a measuring needle; 5. a first transmission gear; 6. a second transmission gear; 7. a micrometer dial; 8. a rotating shaft; 9. fixing the shaft lever; 10. a rubber gasket; 11. a pointer; 101. fixing the support rod; 102. a mounting hole; 20. an arc-shaped fixing plate; 21. thickening the backing plate; 22. a connecting plate; 30. an anti-slip structure.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
A portable spiral micrometer device, as shown in figure 1, comprises a bracket 1, a fixed structure, a spiral micrometer 2, a micrometer scale turntable structure, a piezoelectric induction bulb 3 and a measuring needle 4;
the fixed end of the screw micrometer 2 is detachably connected with the bracket 1 through a fixed structure, a ratchet device of the screw micrometer 2 is connected with a micrometer scale turntable structure, the micrometer scale turntable structure is arranged on the upper end surface of the bracket 1, a measuring head of the screw micrometer 2 penetrates through the bracket 1, a measuring needle 4 is connected with the measuring head of the screw micrometer 2 through a piezoelectric induction bulb 3, and the measuring needle 4 is used for propping against a measured object; the piezo-electric induction bulb 3 can provide a high-precision measurement result. The piezoelectric effect can convert electric energy into mechanical deformation, and when the measuring needle 4 is in contact with an object to be measured, the measuring device can generate tiny deformation and convert the tiny deformation into an electric signal through the piezoelectric induction bulb 3 to carry out measurement. The conversion mode has higher sensitivity and accuracy, and can realize fine measurement. Since the piezo-electric induction bulb 3 is capable of rapidly responding to deformation and outputting an electric signal, real-time feedback information can be provided during measurement. This allows the operator to monitor the measurement in time, adjust the measurement parameters or take the necessary measures to ensure the accuracy and stability of the measurement.
The micrometer scale turntable structure comprises a first transmission gear 5, a second transmission gear 6, a rotating shaft 8, a micrometer scale 7 and a pointer 11, wherein the axis position of the first transmission gear 5 is connected with a ratchet device of the screw micrometer 2, the first transmission gear 5 is meshed with the second transmission gear 6, the second transmission gear 6 is arranged at the top of the rotating shaft 8, the bottom of the rotating shaft 8 is rotationally connected with the bracket 1, the axis position of the second transmission gear 6 is connected with the micrometer scale 7, the pointer 11 is arranged on the upper end face of the bracket 1, and the pointer 11 is used for reading measured values after the micrometer scale 7 rotates. In this embodiment, the upper end face of the bracket 1 is provided with a fixed shaft lever 9, the fixed shaft lever 9 is rotationally connected with the rotating shaft 8, and the bottom of the rotating shaft 8 is provided with a rubber gasket 10.
The first transmission gear 5 is 0.5 die 100 teeth, the second transmission gear 6 is 0.5 die 10 teeth, and the engagement of the first transmission gear 5 and the second transmission gear 6 can be enlarged by 10 times; the axis position of the second transmission gear 6 is connected with the micrometer dial 7, and the expansion is 100 times; the two are overlapped together to enlarge 1000 times. In fig. 1, the micrometer scale 7 is rotated 10 turns, and the ratchet device of the micrometer screw 2 is advanced or retracted by a pitch distance along the rotation axis. Thus, a small distance of movement in the axial direction can be indicated by a reading on the micrometer scale 7. The pitch of the precision thread of the micrometer 2 is 0.5mm, the micrometer scale 7 is provided with 1000 equally divided scales, the micrometer scale 7 rotates for 1 circle, the ratchet device of the micrometer 2 can advance or retract by 50 μm, thus rotating each small scale, which is equivalent to 0.5/1000=50 nm of the micrometer screw advancing or retracting, namely the minimum scale of the disc represents 50nm. And the measurement accuracy of the device can reach 10nm level by adding the estimated reading value.
The support 1 is provided with a mounting hole 102 which can be matched with the fixed end of the spiral micrometer 2, as shown in fig. 2, the fixing structure comprises two fixing support rods 101, two arc-shaped fixing plates 20 and two anti-slip structures 30, the outer side of each arc-shaped fixing plate 20 is fixedly connected with one fixing support rod 101, the bottom of each fixing support rod 101 is fixedly connected with the support 1, the inner side of each arc-shaped fixing plate 20 is correspondingly provided with one anti-slip structure 30, the arc-shaped fixing plates 20 can be matched with the fixed end of the spiral micrometer 2, and the two arc-shaped fixing plates 20 are detachably connected. The fixation structure can provide good stability and support. Through the detachable connection of the fixed end of the spiral micrometer 2 and the bracket 1, reliable fixation is realized, the measuring device is prevented from loosening or displacing in the use process, and the accuracy and the reliability of the measuring result are ensured. In this embodiment, a thickened pad 21 is disposed in the middle of the outer side of the arc-shaped fixing plate 20, and the thickened pad 21 is welded with the fixing support rod 101. The front end and the rear end of the arc-shaped fixing plate 20 are respectively provided with a connecting plate 22, and the connecting plates 22 of the two arc-shaped fixing plates 20 positioned on the same side are connected through a plurality of screws. The anti-slip structure 30 comprises a plurality of anti-slip rubber pads, the anti-slip rubber pads are arranged on the inner side of the arc-shaped fixing plate 20, each anti-slip rubber pad is glued with the bundled arc-shaped fixing plate 20, and the anti-slip structure 30 can increase friction force between the arc-shaped fixing plate 20 and the fixed end of the spiral micrometer 2, so that sliding or deviation phenomenon is avoided. This helps ensure firm contact of the micrometer screw 2 with the object to be measured and provides more accurate measurement results
The working mode of this example
(1) The support 1 is placed on a flat surface during measurement. The bracket 1 is adjusted, the measurement object is put on, and the measurement is started. The ratchet device is stopped when the measuring head is close to the measured object, and the micrometer dial 7 is used for rotating instead, so that excessive pressure is avoided, the measuring result is accurate, and the spiral micrometer 2 is protected;
(2) The piezoelectric induction bulb 3 is turned on and off to judge the contact moment of the measuring head and the measured object, and when the piezoelectric induction bulb 3 becomes bright, reading is started;
(3) The reading consists of a fixed scale, a half scale, a movable scale (a spiral micrometer 2) and a micrometer dial 7, and the specific reading steps are demonstrated as follows:
(1) firstly, reading the fixed scale of the screw micrometer 2, and marking as X mm;
(2) and reading the half scale, and if the half scale mark is exposed, recording as 0.5mm. If the half scale mark is not exposed, marking as 0.0mm;
(3) the movable scale (screw micrometer 2) is read again, and the reference line of the fixed scale is checked to point to a specific position of the movable scale mark, here 0.01×y=0.0 Ymm.
(4) The scale of micrometer scale 7 (note evaluation) was read out and denoted as n, where the remainder of the final conversion to (n/200) was X50X 10-6mm.
The final reading results were: fixed scale + half scale + movable scale (screw micrometer 2) +micrometer scale 7.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A portable spiral micrometer device, characterized by: comprises a bracket (1), a fixed structure, a screw micrometer (2), a micrometer scale turntable structure, a piezoelectric induction bulb (3) and a measuring needle (4);
the fixed end of the spiral micrometer (2) is detachably connected with the bracket (1) through the fixed structure, a ratchet device of the spiral micrometer (2) is connected with the dial indicator rotary table structure, the dial indicator rotary table structure is arranged on the upper end face of the bracket (1), the bracket (1) is provided with a mounting hole (102) which can be matched with the fixed end of the spiral micrometer (2), the measuring needle (4) is connected with a measuring head of the spiral micrometer (2) through the piezoelectric induction bulb (3), and the measuring needle (4) is used for propping against a measured object;
the micrometer scale carousel structure includes first drive gear (5), second drive gear (6), pivot (8), micrometer scale (7) and pointer (11), the axle center position of first drive gear (5) with ratchet of micrometer (2) is connected, first drive gear (5) with second drive gear (6) meshing, second drive gear (6) set up pivot (8) top, pivot (8) bottom with support (1) rotate and connect, the axle center position of second drive gear (6) with micrometer scale (7) are connected, pointer (11) set up the up end of support (1), pointer (11) are used for reading the measured value after micrometer scale (7) rotate.
2. A portable spiral micrometer device according to claim 1, wherein: the utility model provides a screw micrometer, including fixed structure, screw micrometer, fixed structure includes two fixed branch (101), two arc fixed plate (20) and two anti-skidding structure (30), each arc fixed plate (20) outside all with one fixed branch (101) rigid coupling, fixed branch (101) bottom with support (1) rigid coupling, each arc fixed plate (20) inboard corresponds and sets up one anti-skidding structure (30), arc fixed plate (20) can with the stiff end cooperation of screw micrometer (2), two arc fixed plate (20) can dismantle the connection.
3. A portable spiral micrometer device according to claim 2, wherein: the middle part of the outer side of the arc-shaped fixing plate (20) is provided with a thickening backing plate (21), and the thickening backing plate (21) is fixedly connected with the fixing support rod (101).
4. A portable spiral micrometer device according to claim 2, wherein: the front end and the rear end of the arc-shaped fixing plate (20) are respectively provided with a connecting plate (22), and the connecting plates (22) of the two arc-shaped fixing plates (20) positioned on the same side are connected through a plurality of screws.
5. A portable spiral micrometer device according to claim 2, wherein: the anti-skid structure (30) comprises a plurality of anti-skid rubber pads, the anti-skid rubber pads are arranged on the inner side of the arc-shaped fixing plate (20), and each anti-skid rubber pad is fixedly connected with the bundled arc-shaped fixing plate (20).
6. A portable spiral micrometer device according to any one of claims 1-5, wherein: the support (1) up end is equipped with fixed axostylus axostyle (9), fixed axostylus axostyle (9) with pivot (8) rotate to be connected, pivot (8) bottom is equipped with rubber gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322153829.2U CN220507877U (en) | 2023-08-11 | 2023-08-11 | Portable spiral micrometer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322153829.2U CN220507877U (en) | 2023-08-11 | 2023-08-11 | Portable spiral micrometer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507877U true CN220507877U (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322153829.2U Active CN220507877U (en) | 2023-08-11 | 2023-08-11 | Portable spiral micrometer device |
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| CN (1) | CN220507877U (en) |
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2023
- 2023-08-11 CN CN202322153829.2U patent/CN220507877U/en active Active
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