CN220339392U - Parallel horizontal ruler - Google Patents

Abstract

The utility model relates to the technical field of measurement and discloses a parallel horizontal ruler, which comprises a ruler body, wherein the ruler body comprises a pair of main rulers distributed at two ends of the ruler body, a pair of first level gauges are arranged at the ends of the main rulers, a plurality of auxiliary rulers are arranged in a space formed by limiting the pair of main rulers, and flexible connecting parts are arranged along the width directions of the main rulers and the auxiliary rulers in a penetrating manner. By observing the bubble offset of the first level, a measurer gradually levels the main ruler, judges whether the placement verticality of the main ruler and the part to be measured meets the requirement, and avoids the deviation of the measurement height caused by inaccurate measurement angle; in addition, because flexible connection is between each auxiliary ruler and the main ruler, each auxiliary ruler can be automatically aligned with the bottom edge of the region to be measured under the action of gravity, the accurate reading of the height of each auxiliary ruler is ensured, the continuous reading of the region to be measured is realized, and the reading efficiency is accelerated.

Description

Parallel horizontal ruler

Technical Field

The utility model relates to the technical field of measurement, in particular to a parallel horizontal ruler.

Background

In the manufacturing process of the air inlet group of the ventilator, because the combination and forming errors are relatively large, the working procedures of on-site measurement after partial combination, blanking and combination of other parts and the like are needed, and the currently adopted measuring tool is mainly a tape measure or a conventional ruler.

However, in the manufacturing process of the air inlet, concentricity errors exist in the combination of the mouth-containing body and the main body of the air inlet cylinder, errors easily occur in the measuring mode of a tape measure or a conventional ruler, so that the errors of parts such as the rectifying cylinder, the check ring and the like are overlarge, and the measuring errors of the parts are too large due to the limitation of the manual measuring level, so that the problems of concentricity, edge misalignment and the like easily occur in the assembly welding process.

The prior art discloses a special tower ruler for measuring elevation of an inclined plane or a curved surface. Comprises a ruler body, a bubble level device arranged in the middle of the ruler body and a spherical surface reference device arranged at the lower part of the ruler body; wherein the spherical datum means comprises: a fixed connection part and a spherical head mounted at the lower end of the fixed connection part; the vertex of the spherical head is used for contacting the elevation measuring point of the inclined plane or the curved surface; the upper portion of fixed connection portion is provided with the draw-in groove that is used for inserting the chi body, the draw-in groove is including two cardboard that set up relatively, be provided with the top silk hole on the cardboard, the lower part of the chi body inserts in the draw-in groove, and the top silk screw in top silk hole will the sphere benchmark device is fixed the lower part of the chi body.

However, this technique has the following drawbacks: after the test of each point to be measured is finished, a new measuring point needs to be found again for reading again, continuous height measurement cannot be carried out on the curved surface/inclined surface, and the measuring efficiency is low.

Disclosure of Invention

The utility model aims to provide a parallel level to achieve accurate and continuous curved surface and/or inclined surface height measurement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a parallelly connected horizon rule, includes the chi body, the chi body includes a pair of main scale that distributes in chi body both ends, main scale tip is provided with a pair of first spirit level, wherein, a pair of be provided with several auxiliary scale in the space that main scale restriction formed, follow main scale and each auxiliary scale width direction run through and are provided with flexible connection portion.

The beneficial effects are as follows: by observing the bubble offset of the first level, a measurer gradually levels the main ruler, judges whether the placement verticality of the main ruler and the part to be measured meets the requirement, and avoids the deviation of the measurement height caused by inaccurate measurement angle; in addition, because flexible connection is between each auxiliary ruler and the main ruler, each auxiliary ruler can be automatically aligned with the bottom edge of the region to be measured under the action of gravity, the accurate reading of the height of each auxiliary ruler is ensured, the continuous reading of the region to be measured is realized, and the reading efficiency is accelerated.

Further, the main scale further comprises a second level arranged in the main scale structure.

The beneficial effects are as follows: through observing the bubble lateral offset in the second level, measurement personnel can judge whether the placement levelness of main scale and the position to be measured meets the requirements to further revise the position of putting of chi body, improve measuring result's accuracy.

Further, the length of each auxiliary ruler is equal.

The beneficial effects are as follows: the heights of the auxiliary scales are uniformly set to be the same, so that the unified reading of the measuring staff is facilitated, the reading difficulty of the measuring staff is avoided being increased due to the different lengths of the auxiliary scales, and the error probability of the reading is reduced.

Further, the length of each main ruler is the same as that of each auxiliary ruler.

The beneficial effects are as follows: the area enclosed between the main ruler and the auxiliary ruler is limited to be the same curved surface, so that errors of measurement results caused by different concentricity of the enclosed curved surfaces of the main ruler and the auxiliary ruler are avoided.

Further, the main scale and the auxiliary scale are made of transparent materials.

The beneficial effects are as follows: the display of the measurement height is more visual, and the measurement personnel can observe and read conveniently.

Further, the flexible connection part is of a plurality of rope-shaped structures.

The beneficial effects are as follows: compared with a single rope-shaped structure, the stress condition of each flexible connecting part can be optimized by arranging a plurality of rope-shaped structures, the overlarge pressure of the single rope-shaped structure is avoided, the damage caused by excessive abrasion in the long-term use process is avoided, and the connection firmness between each auxiliary ruler and the main ruler is enhanced.

Further, the flexible connection part is a metal sheet.

The beneficial effects are as follows: the metal sheet has certain strength and rigidity, can reduce looseness between each main ruler and auxiliary ruler, and enables the structure of the whole parallel horizontal ruler to be more stable and reliable, and measurement accuracy and reading stability are improved. Further, an extension part is further arranged in the edge area of the main ruler, and the ruler body is used for combining a plurality of horizontal rulers through the extension part.

The beneficial effects are as follows: the ruler body is set to be in an extensible form, so that the ruler can adapt to structural measurement of different diameters, and the applicability of the parallel horizontal ruler is improved.

Further, the extension is a snap fit to each other.

Further, the transparent material is polyvinyl chloride.

The beneficial effects are as follows: the polyvinyl chloride has good plasticity and elasticity, can recover the original shape to a certain extent, and can be more attached to the region to be measured under the condition that the region to be measured is a curved surface, so that the measurement accuracy is improved.

The beneficial effect of this scheme includes: 1. the main ruler and the auxiliary rulers which are flexibly connected with each other are arranged, and the first level gauge and the second level gauge are arranged on the main ruler, so that measurement personnel can be instructed to level and then realize continuous reading of the height of the area to be measured; 2. the heights of the main ruler and the auxiliary ruler are set to be consistent, so that the enclosing area of the main ruler and the auxiliary ruler is the same curved surface, measurement errors caused by inconsistent concentricity are eliminated, the reading of a measurer is more convenient, and the probability of error reading is reduced; 3. the polyvinyl chloride with certain flexibility and rebound resilience is adopted to manufacture the main ruler and the auxiliary ruler, so that the fitting degree of the main ruler and the auxiliary ruler with the curved surface to-be-measured area can be improved, and the measurement accuracy is improved; 4. the parallel horizontal ruler provided by the scheme can be prolonged through interconnection, so that the parallel horizontal ruler is suitable for structural measurement of different diameters, and the applicability of the parallel horizontal ruler is improved.

Drawings

Fig. 1 is a schematic front view of an overall structure according to an embodiment of the present utility model.

Fig. 2 is a schematic left-hand view of the main scale and the auxiliary scale according to the embodiment of the utility model.

FIG. 3 is a schematic diagram of a measured product according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the ruler comprises a ruler body 1, a main ruler 2, a first level 21, a second level 22, a secondary ruler 3, a flexible connecting part 4, a hole 5, a rectifying cylinder 6, a junction area 7 and an air inlet group 8.

Example 1

Example 1 is substantially as shown in figures 1 to 3. As shown in fig. 1, a parallel level bar comprises a bar body 1, the bar body 1 comprises a pair of main bars 2 distributed at two ends of the bar body 1, a pair of first level meters 21 and a pair of second level meters 22 are arranged at the end parts of the main bars 2, a plurality of auxiliary bars 3 are arranged in a space formed by limiting the main bars 2, flexible connecting parts 4 are arranged along the width directions of the main bars 2 and the auxiliary bars 3 in a penetrating manner, and the main bars 2 and the auxiliary bars 3 are made of transparent materials, preferably, PVC plastics. In this embodiment, the flexible connection portion 4 is a plurality of rope structures, the rule body 1 further includes a plurality of holes 5 that are formed on the main rule 2 and the auxiliary rule 3 and whose number and positions correspond to those of the flexible connection portion 4, and the plurality of rope structures realize connection between the main rule 2 and the auxiliary rule 3 through the holes 5. Further, the lengths of the respective sub-scales 3 are equal, and the lengths of the respective main scales 2 and the respective sub-scales 3 are the same.

When the measuring instrument is used, by observing the bubble offset of the first level 21 and the second level 22, a measurer gradually levels the main scale 2, judges whether the placement verticality of the main scale 2 and a part to be measured meets the requirement, and avoids the deviation of the measurement height caused by inaccurate measurement angle; in addition, because flexible connection is between each auxiliary ruler 3 and the main ruler 2, each auxiliary ruler 3 can be automatically aligned with the bottom edge of the region to be measured under the action of gravity, the continuous reading of the region to be measured is realized while the accurate reading of the height of each auxiliary ruler 3 is ensured, and the reading efficiency is accelerated.

Example 2

Embodiment 2 differs from embodiment 1 in that the flexible connection part 4 is a metal sheet, and the metal sheet is embedded between each main scale 2 and the auxiliary scale 3 to realize connection between the main scale 2 and the auxiliary scale 3. In particular, the foils are used as bridges connecting multiple scales so that they form an integral parallel level. The metal sheet is generally strong and rigid enough to bear the force in the use process of the parallel level bars, so that extra support and rigidity can be provided, the structure of the whole parallel level bar is more stable and feasible, looseness and deformation between each main bar 3 and each auxiliary bar 3 can be reduced, and the measurement accuracy and the reading stability of the parallel level bars are improved.

The edge area of the main ruler 2 is also provided with an extension part, and the ruler body 1 can realize the combination of a plurality of horizontal rulers through the extension part so as to adapt to the measurement of structures with different diameters. Preferably, the extensions may be mutually adapted snaps.

The specific implementation process is as follows: taking the manufacturing process of the air inlet set 8 of the ventilator as an example, as shown in fig. 3, the main scale 2 is firstly placed on the outer side of the rectifying cylinder 6 in an attaching manner, wherein the lower edge of the main scale 2 abuts against the junction area 7 of the air inlet set 8 and the rectifying cylinder 6, the angle between the main scale 2 and the rectifying cylinder 6 is adjusted, after the bubble offset of the first level 21 and the second level 22 is within the allowable range, each auxiliary scale 3 is enclosed on the outer surface of the rectifying cylinder 6 in a surrounding manner, and after the lower edge of each auxiliary scale 3 abuts against the junction area 7 tightly, the overlapping position of the scales of each auxiliary scale 3 and the upper edge of the rectifying cylinder 6 is used as the height reading of each point of each rectifying cylinder 6, and measurement and recording are performed.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (10)

1. The utility model provides a parallelly connected horizon rule, includes the chi body, and the chi body includes a pair of main scale that distributes in chi body both ends, its characterized in that: the main scale tip is provided with a pair of first spirit level, and wherein, is provided with several auxiliary scale in the space that a pair of main scale restriction formed, runs through along main scale and each auxiliary scale width direction and is provided with flexible connection portion.

2. A parallel level according to claim 1, wherein: the main scale further comprises a second level arranged in the main scale.

3. A parallel level according to claim 2, wherein: the lengths of the auxiliary scales are equal.

4. A parallel level according to claim 3, wherein: the length of each main ruler is the same as that of each auxiliary ruler.

5. A parallel level according to claim 4 wherein: the main ruler and the auxiliary ruler are made of transparent materials.

6. A parallel level according to claim 5 wherein: the flexible connecting part is in a plurality of rope structures.

7. A parallel level according to claim 5 wherein: the flexible connection part is a metal sheet.

8. A parallel level according to claim 6 or 7, wherein: the edge area of the main ruler is also provided with an extension part, and the ruler body is used for combining a plurality of horizontal rulers through the extension part.

9. A parallel level according to claim 8 wherein: the extension parts are mutually adapted buckles.

10. A parallel level according to claim 5 wherein: the transparent material is polyvinyl chloride.