CN220893576U - Height calibrating device of height and weight scale - Google Patents
Height calibrating device of height and weight scale Download PDFInfo
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- CN220893576U CN220893576U CN202322289597.3U CN202322289597U CN220893576U CN 220893576 U CN220893576 U CN 220893576U CN 202322289597 U CN202322289597 U CN 202322289597U CN 220893576 U CN220893576 U CN 220893576U
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- weight scale
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- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000429 assembly Methods 0.000 description 22
- 230000000712 assembly Effects 0.000 description 22
- 238000005259 measurement Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of calibrating devices, and particularly relates to a height calibrating device of a height weight scale, which comprises a bottom plate, a top plate, supporting components and horizontal bubbles, wherein the top plate is arranged above the bottom plate at intervals, a plurality of groups of supporting components with adjustable heights are arranged between the top plate and the bottom plate, the lower end of each group of supporting components is movably inserted into the bottom plate, the upper end of each group of supporting components is in threaded connection with the top plate, the flatness of the top plate can be adjusted through rotating the supporting components, and the horizontal bubbles for observing whether the top plate is in a horizontal state are embedded and arranged on the top plate.
Description
Technical Field
The utility model belongs to the technical field of calibrating devices, and particularly relates to a height calibrating device of a height and weight scale.
Background
Along with the improvement of living standard of people, people pay more attention to various body indexes of the people, such as weight, height and the like. For students in the growth and development period, the height and the weight are in a certain proportion, and the weight of the students can be determined to be lean, standard, overweight or obese by analyzing the data of age, weight, height and the like, and the height is short, standard or ultrahigh. The household weight scale and the body fat scale generally have no height measuring function, but the height weight scale of a hospital, a women and child health care hospital and a physical examination center generally have the height and weight measuring function.
In the prior art, when the height measurement function of the body height weight scale is calibrated, a mechanical scale (or gauge block) is used for splicing, the mechanical scale can be traced after being disassembled, due to the fact that the mechanical scale is spliced, the influence brought by sagging is not considered, the error in the measurement process is larger, and the requirement of the height part for calibrating the body height weight scale cannot be met in practice; the other is to use ultrasonic or infrared measurement, but an accurate tracing method is not found at present by the ultrasonic or infrared principle, so that the calibration content of the height measurement function is not embodied in the calibration standards of weighing scales in many provinces.
Aiming at the problem of calibrating the height measurement function of the body height weight scale, the utility model develops the calibrating device which has simple structure and simple operation and is convenient for calibrating the height measurement function of the body weight scale.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the height calibration device of the height and weight scale, which has the advantages of reasonable design, simple structure, rapid operation, practicability and convenience in verifying whether the height measurement function is accurate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a height calibrating device of height weight scale, its includes bottom plate, roof, supporting component and level bubble, the roof interval sets up in the top of bottom plate, is provided with multiunit height-adjustable's supporting component between roof and the bottom plate, and every group supporting component's lower extreme all is pegged graft with the bottom plate activity, and every group supporting component's upper end all is with roof threaded connection, can adjust the planarization of roof through rotatory supporting component, inlay on the roof and install the level bubble that is used for observing whether the roof is in the horizontality.
Preferably, the horizontal bubble comprises a transparent shell, wherein filling liquid and a transversely movable air bubble are arranged in the transparent shell.
Preferably, the bottom plate is provided with a plurality of jacks, the top plate is provided with a plurality of adjusting holes with internal threads, and the adjusting holes and the jacks are arranged in one-to-one correspondence.
Preferably, each group of support components comprises a first support rod and a second support rod, the lower end of the second support rod is provided with a connecting hole with internal threads, the lower end of the first support rod is fixedly provided with a polished rod, the polished rod is movably inserted into the jack, the upper end of the first support rod and the upper end of the second support rod are respectively fixedly provided with a threaded rod with external threads, and the threaded rods are used for being in threaded connection with the adjusting holes or the connecting holes.
Preferably, the first support rod and the second support rod are both formed by acrylic materials; the top plate and the bottom plate are both formed by opaque acrylic materials.
Preferably, the number of the supporting components is 4, each group of supporting components comprises 1 first supporting rod and 1-5 second supporting rods, and the number of the inserting holes and the number of the adjusting holes are 4.
Preferably, the lengths of the first supporting rod and the second supporting rod are 400mm, and the diameters of the first supporting rod and the second supporting rod are 20mm; the length of the polish rod and the length of the threaded rod are 20mm, and the diameter of the polish rod and the diameter of the threaded rod are 10mm.
Preferably, the hole depths of the jack, the adjusting hole and the connecting hole are all 20mm, and the hole diameters are all 10mm.
Preferably, the length of the bottom plate and the top plate is 150mm, the width of the bottom plate and the top plate is 150mm, and the thickness of the bottom plate and the top plate is 20mm.
Preferably, the surface centers of the bottom plate and the top plate are respectively provided with a cross-shaped score line. And a laser range finder for measuring the distance between the upper surface of the bottom plate and the lower surface of the top plate is arranged in the center of the upper surface of the bottom plate.
The utility model adopts the technical proposal and has the following technical effects:
According to the utility model, the plurality of groups of supporting components with adjustable heights are arranged between the top plate and the bottom plate, so that the supporting components can be used for adjusting the distance between the upper surface of the top plate and the lower surface of the bottom plate, and the horizontal bubbles are arranged on the top plate, so that in the process of adjusting the distance, whether the top plate is in a horizontal state or not can be judged by observing whether the air bubbles in the horizontal bubbles are in the middle position or not, and the top plate and the bottom plate are mutually parallel; when the top plate is in a horizontal state, the distance value can be obtained through calculation or measurement by using a laser distance meter, and the sum of the distance value and the thickness of the bottom plate and the thickness of the top plate is equal to the known height value of the height calibration device obtained through adjustment, so that the known height value of a person can be understood when the height calibration device is used for calibration.
When the height measurement function calibration is carried out, the height calibration device is placed on a scale plate of the height and weight scale, the measured height value displayed by the height and weight scale is observed, and the height measurement error of the height and weight scale can be obtained by comparing the measured height value with the known height value (the known height value), so that the calibration of the height measurement function of the height and weight scale is realized, and the height measurement accuracy of the height and weight scale is judged.
The height calibration device is high in calibration accuracy, simple in structure and convenient to use, a plurality of known height values (for example, the distance values can be adjusted to 400mm, 800mm, 1200mm, 1600mm and 2000 mm) of the height calibration device can be obtained through adjusting the support assemblies, the height measurement function of the height weight scale can be calibrated accurately, the height weight scale of the ultrahigh crowd can be measured, the number of the second support rods in each group of support assemblies can be increased for measurement, and the height calibration device can be suitable for height function calibration of most of height weight scales.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:
FIG. 1 is a perspective view of an embodiment 1 of a height calibration device of a height weight scale according to the present utility model;
FIG. 2 is an exploded view of example 1 of the height calibration device of the height weight scale of the present utility model;
FIG. 3 is a perspective view of an embodiment 2 of the height calibration device of the height-weight scale of the present utility model;
FIG. 4 is an exploded view of example 2 of the height calibration device of the height weight scale of the present utility model;
FIG. 5 is a perspective view of example 3 of the height calibration device of the height-weight scale of the present utility model;
Fig. 6 is an axial sectional view of the second support rod of the present utility model.
In the figure:
10. A bottom plate; 11. a jack; 20. a top plate; 21. an adjustment aperture; 22. a hole is embedded; 30. a support assembly; 31. a first support bar; 311. a polish rod; 32. a second support bar; 321. a connection hole; 33. a threaded rod; 40. horizontal bubble; 50. a cross-shaped score line.
Detailed Description
The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:
referring to fig. 1 to 6, the height calibration device for a body height weight scale according to the present utility model includes a base plate 10, a top plate 20, support members 30 and a horizontal bubble 40, wherein the top plate 20 is disposed above the base plate 10 at a distance, a plurality of groups of support members 30 with adjustable heights are disposed between the top plate 20 and the base plate 10, the distance between the upper surface of the top plate 20 and the lower surface of the base plate 10 can be adjusted by the disposed support members 30, so as to obtain height measurement functions of the body height weight scale with different heights, the lower ends of each group of support members 30 are movably inserted into the base plate 10, the upper ends of each group of support members 30 are threadedly connected with the top plate 20, the flatness of the top plate 20 can be adjusted by rotating the support members 30, the top plate 20 is embedded with the horizontal bubble 40 for observing whether the top plate 20 is in a horizontal state, the horizontal bubble 40 includes a transparent housing, and a laterally movable air bubble 40 is disposed in the transparent housing, and in the process of adjusting the distance, it is convenient to judge whether the top plate 20 is in a horizontal state by observing whether the air bubble is in an intermediate position in the horizontal bubble 40 in the process of adjusting the distance, so that the accuracy of the mutual parallelism between the top plate and the top plate 20 is ensured.
Referring to fig. 2 or 4, on the basis of the above structure, preferably, the bottom plate 10 is provided with a plurality of insertion holes 11, the top plate 20 is provided with a plurality of adjustment holes 21 with internal threads, and the plurality of adjustment holes 21 and the plurality of insertion holes 11 are arranged in a one-to-one correspondence; the top plate 20 is provided with a fitting hole 22 penetrating the upper and lower surfaces, and a horizontal bubble 40 is fitted in the fitting hole 22.
On the basis of the above structure, preferably, each group of support assemblies 30 includes a first support rod 31 and a second support rod 32, the lower end of the second support rod 32 is provided with a connecting hole 321 having internal threads, the lower end of the first support rod 31 is fixed with a polish rod 311, the polish rod 311 is movably inserted into the jack 11, the upper ends of the first support rod 31 and the second support rod 32 are respectively fixed with a threaded rod 33 having external threads, and the threaded rods 33 are in threaded connection with the adjusting hole 21 or the connecting hole 321.
On the basis of the above structure, it is preferable that the first support bar 31 and the second support bar 32 are both formed of acrylic bars; the top plate 20 and the bottom plate 10 are each formed of an opaque acrylic plate.
Based on the above structure, it is preferable that the center of the surfaces of the top plate 20 and the bottom plate 10 are each provided with a cross-shaped score line 50. A laser rangefinder for measuring the distance between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 is provided at the upper surface cross score line 50 of the bottom plate 10, and is not shown since it is a conventional measuring instrument in the art.
As a preferred embodiment, based on the above structure, the number of the adjusting holes 21 and the insertion holes 11 is 4, and the number of the supporting members 30 is 4, and each group of the supporting members 30 includes 1 first supporting bar 31 and 1-5 second supporting bars 32.
On the basis of the above structure, the dimensions of the bottom plate 10, the top plate 20, the first support rod 31, the second support rod 32, the polish rod 311 and the threaded rod 33 of the present utility model are preferably as follows:
The length of the bottom plate and the top plate is 150mm, the width is 150mm, and the thickness is 20mm;
The lengths of the first supporting rod and the second supporting rod are 400mm, and the diameters of the first supporting rod and the second supporting rod are 20mm;
The length of the polish rod and the threaded rod is 20mm, and the diameter of the polish rod and the threaded rod is 10mm;
The hole depths of the jack, the adjusting hole and the connecting hole are all 20mm, and the hole diameters are all 10mm.
Example 1
Referring to fig. 1 or 2, as an embodiment, the top plate 20 and the bottom plate 10 are connected by 4 sets of support assemblies 30, and each set of support assemblies 30 adopts 1 first support bar 31;
When in connection, the polished rods 311 at the lower ends of the first support rods 31 of the 4 groups of support assemblies 30 are respectively inserted into 4 insertion holes 11 at four corners of the bottom plate 10, the threaded rods 33 at the upper ends of the first support rods 31 of the 4 groups of support assemblies 30 are respectively connected into 4 adjustment holes 21 at four corners of the top plate 20 in a threaded manner, the top plate 20 is adjusted to be in a horizontal state by rotating the 4 groups of support assemblies 30 under the auxiliary effect of the horizontal bubble 40, and at the moment, the distance value between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 is 400mm;
Therefore, the height of the height calibration device is equal to the sum of the thickness 20mm of the bottom plate 10, the length 400mm of the first support rod 31 and the thickness 20mm of the top plate 20, the known height value of the height calibration device is 440mm by calculation, and the height error range obtained by calculation can be controlled between-0.1 mm and +0.1 mm.
Example 2
Referring to fig. 3 or 4, as another embodiment, the top plate 20 and the bottom plate 10 are connected by 4 sets of support assemblies 30, and each set of support assemblies 30 adopts 1 first support bar 31 and 1 second support bar 32;
When in connection, the polish rods 311 at the lower ends of the first support rods 31 of each group of support assemblies 30 are respectively inserted into the corresponding insertion holes 11 at the four corners of the bottom plate 10, the threaded rods 33 at the upper ends of the first support rods 31 of each group of support assemblies 30 are in threaded connection with the connecting holes 321 at the lower ends of the second support rods 32, the threaded rods 33 at the upper ends of the second support rods 32 are in threaded connection with the corresponding adjusting holes 21 at the four corners of the top plate 20, the top plate 20 is adjusted to be in a horizontal state by rotating 4 groups of support assemblies 30 under the auxiliary effect of the horizontal bubble 40, and at the moment, the distance value between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 is 800mm;
Therefore, the height of the height calibration device is equal to the sum of the thickness 20mm of the bottom plate 10, the length 400mm of the first support rod 31, the length 400mm of the second support rod 32 and the thickness 20mm of the top plate 20, that is, the known height value of the height calibration device is 840mm by calculation, and the height error range obtained by calculation can be controlled between-0.2 mm and +0.2 mm.
Example 3
Referring to fig. 5, as a further embodiment, the top plate 20 and the bottom plate 10 are connected by 4 sets of support assemblies 30, and each set of support assemblies 30 employs 1 first support bar 31 and 4 second support bars 32;
During connection, the polish rods 311 at the lower ends of the first support rods 31 of each group of support assemblies 30 are respectively inserted into corresponding insertion holes 11 at four corners of the bottom plate 10, the threaded rods 33 at the upper ends of the first support rods 31 of each group of support assemblies 30 are in threaded connection with the connecting holes 321 at the lower ends of the 1 st second support rods 32, the threaded rods 33 at the upper ends of the second support rods 32 are in threaded connection with the connecting holes 321 at the lower ends of the 2 nd second support rods 32, and the like, the threaded connection with the 3 rd and 4 th second support rods 32 is completed, the threaded rods 33 at the upper ends of the 4 th second support rods 32 are in threaded connection with corresponding adjusting holes 21 at four corners of the top plate 20, the top plate 20 is adjusted to be in a horizontal state by rotating the 4 groups of support assemblies 30 under the auxiliary effect of the horizontal bubbles 40, and at this time, the distance value between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 is 2000mm;
Therefore, the height of the height calibration device is equal to the sum of the thickness 20mm of the bottom plate 10, the length 400mm of the first support rods 31, the length 400mm of the 4 second support rods 32 and the thickness 20mm of the top plate 20, namely the known height value of the height calibration device is 2040mm by calculation, and the height error range obtained by calculation can be controlled between-0.5 mm and +0.5 mm.
Similarly, with the connection method and the adjustment method in embodiment 3 described above, by increasing or decreasing the number of the second support bars 32 in each group of the support members 30, the distance between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 can be adjusted to 1200mm, 1600mm, 2400mm, etc., so that the known height values of the height calibration device can be adjusted to 1240mm, 1640mm, 2440mm, etc., respectively.
In order to avoid the problem of influence of the perpendicularity of the supporting component 30 during connection, a measuring device with higher measuring precision such as a laser range finder can be used for measuring the distance between the upper surface of the bottom plate 10 and the lower surface of the top plate 20 more accurately by arranging the measuring device at the cross-shaped dividing line 50 on the upper surface of the bottom plate 10, and the height error range obtained by measuring can be further controlled between-0.1 mm and +0.1 mm.
The working principle of the utility model is as follows:
Before calibration, the polish rod 311 fixed at the lower end of the first support rod 31 is driven to circumferentially rotate in the insertion hole 11 on the bottom plate 10 by manually rotating each group of support assemblies 30, so that the threaded rod 33 at the upper end of the second support rod 32 rotates in the threaded direction in the adjusting hole 21 on the top plate 20 to adjust the connection position, so as to adjust the interval between the upper surface of the top plate 20 and the lower surface of the bottom plate 10; in the process of adjusting the spacing, the positions of the air bubbles can be controlled by adjusting the support assemblies 30 at different positions, and meanwhile, whether the top plate 20 is in a horizontal state is judged by observing whether the air bubbles in the horizontal bubbles 40 on the top plate 20 are in the middle position, when the top plate 20 is in the horizontal state, the top plate 20 and the bottom plate 10 are indicated to be parallel to each other, at this time, the spacing between the upper surface of the top plate 20 and the lower surface of the bottom plate 10 is equal to the sum of the lengths of the first support rod 31 and the plurality of second support rods 32 of each group of support assemblies 30, and in order to improve the accuracy, the spacing can be accurately measured by measuring equipment with higher measuring accuracy such as a laser range finder in the prior art. The sum of the thickness of the bottom plate 10, the thickness of the top plate 20 and the distance is the known height value of the height calibration device obtained by adjustment, and can be understood as the known height value of a person when used for calibration.
When the height measurement function calibration is carried out, the height calibration device is placed on a scale plate of the height and weight scale, the measured height value displayed by the height and weight scale is observed, and the height measurement error of the height and weight scale can be obtained by comparing the measured height value with the known height value (the known height value), so that the calibration of the height measurement function of the height and weight scale is realized, and the height measurement accuracy of the height and weight scale is judged.
To increase the measuring range, the number of second support bars 32 in each set of support assemblies 30 can be adjusted and the adjustment steps repeated to adjust the spacing to obtain different known height values for the height calibration device.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.
Claims (10)
1. The utility model provides a height calibrating device of height weight scale which characterized in that: the movable support comprises a bottom plate, a top plate, supporting components and horizontal bubbles, wherein the top plate is arranged above the bottom plate at intervals, a plurality of groups of supporting components with adjustable heights are arranged between the top plate and the bottom plate, the lower ends of the supporting components are movably inserted into the bottom plate, the upper ends of the supporting components are connected with the top plate in a threaded mode, and the top plate is embedded and provided with the horizontal bubbles for observing whether the top plate is in a horizontal state.
2. The height calibration device of the height and weight scale of claim 1, wherein: the horizontal bubble comprises a transparent shell, and filling liquid and an air bubble capable of transversely moving are arranged in the transparent shell.
3. The height calibration device of the height and weight scale of claim 1, wherein: the bottom plate is provided with a plurality of jacks, the top plate is provided with a plurality of adjusting holes with internal threads, and the adjusting holes and the jacks are arranged in one-to-one correspondence.
4. A height calibration device for a height and weight scale according to claim 3, wherein: every group supporting component all includes first bracing piece and second bracing piece, and the lower extreme of second bracing piece is equipped with the connecting hole that has the internal thread, and the lower extreme of first bracing piece is fixed with the polished rod, and the polished rod is used for the activity grafting in the jack, and the upper end of first bracing piece and the upper end of second bracing piece all are fixed with the threaded rod that has the external screw thread, and the threaded rod is used for threaded connection in regulation hole or connecting hole.
5. The height calibration device of the height and weight scale of claim 4, wherein: the first support rod and the second support rod are both formed by acrylic materials; the top plate and the bottom plate are both formed by opaque acrylic materials.
6. The height calibration device of the height and weight scale of claim 4, wherein: the number of the supporting components is 4, each supporting component comprises 1 first supporting rod and 1-5 second supporting rods, and the number of the insertion holes and the number of the adjusting holes are 4.
7. The height calibration device of the height and weight scale of claim 4, wherein: the lengths of the first supporting rod and the second supporting rod are 400mm, and the diameters of the first supporting rod and the second supporting rod are 20mm; the length of the polish rod and the screw rod is 20mm, and the diameter is 10mm.
8. The height calibration device of the height and weight scale of claim 4, wherein: the hole depths of the jack, the adjusting hole and the connecting hole are all 20mm, and the hole diameters are all 10mm.
9. The height calibration device of the height and weight scale of claim 1, wherein: the length of bottom plate and roof is 150mm, and the width is 150mm, and thickness is 20mm.
10. The height calibration device of the height and weight scale of claim 1, wherein: and the surface centers of the bottom plate and the top plate are respectively provided with a cross-shaped scribing line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289597.3U CN220893576U (en) | 2023-08-25 | 2023-08-25 | Height calibrating device of height and weight scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289597.3U CN220893576U (en) | 2023-08-25 | 2023-08-25 | Height calibrating device of height and weight scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220893576U true CN220893576U (en) | 2024-05-03 |
Family
ID=90836320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322289597.3U Active CN220893576U (en) | 2023-08-25 | 2023-08-25 | Height calibrating device of height and weight scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220893576U (en) |
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2023
- 2023-08-25 CN CN202322289597.3U patent/CN220893576U/en active Active
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