CN208042928U - Hat width ruler - Google Patents

Abstract

The utility model provides a kind of hat width ruler, include the first measurement bar assembly rotatably to be linked together by installation axle and the second measurement bar assembly, can be sleeved in the two measurement bar assemblies and mobile vernier can be carried out relative to it, guide needle assemblies are installed in the end of installation axle, the first length for measuring both bar assembly and second measurement bar assembly can be changed.In a state of use, first measures bar assembly and second measures bar assembly in 90 degree of perpendicular states to hat width ruler, and when unused, the two is closed up in straight line shape.Be conducive to improve accuracy, simplified measurement process, reduction measurement difficulty, the raising measurement efficiency for measuring nursery stock hat width using this hat width ruler.

Description

Hat width ruler

Technical field

The utility model is related to a kind of hat width rulers.

Background technology

Hat width is the average value in the north and south and east-west direction width of setting (seedling) wood, is generally used for the rule of mark trees, nursery stock Lattice are chiefly used in designing every square of plantation nursery stock quantity or vegetation control experimental observation vegetation growth situation, nursery stock in landscape design Hat width is to carry out the element factor of vegetation growth situation observation.

Currently, being measured to the hat width of tree (seedling) wood usually using survey tools such as ruler, tape measures.However, due to seedling The wooden hat width measurement needs north and south and thing both direction, mainly has following deficiency using existing assay method：

The first, when nursery stock is smaller, in measurement process, measurement direction is not easy to differentiate, and is easy to cause measurement accuracy reduction；

The second, plantlet seedling growth is exceedingly fast, and general ruler range is extremely difficult to demand, more that ruler is linked, time-consuming to take Power, length junction is inaccurate, is easy to cause measurement accuracy reduction；

Third, single ruler measure nursery stock hat width, need to measure twice, time-consuming and laborious, inconvenient victory；

4th, the survey tools such as ruler, tape measure are easily bent after reaching certain length, and single measurement is more difficult, is easy to lead Measurement accuracy is caused to reduce.

In view of the foregoing, it needs to be improved existing hat width survey tool.

Utility model content

The main purpose of the utility model is to provide a kind of hat width rulers for being conducive to improve measurement accuracy.

The utility model proposes a kind of hat width rulers, which is characterized in that including rotatably being connected by installation axle First together measures bar assembly and second and measures bar assembly, and guide needle assemblies are equipped in the end of the installation axle.

Using this scheme, the north and south of nursery stock hat width and east-west direction can be carried out by the way that the guide needle assemblies are arranged It is accurately located；Since the first to the second measurement bar assembly is rotatably linked together by installation axle, hat width is utilized When ruler measures, two measure bar assembly and open and be maintained at perpendicular state, pass through two measuring rod groups of perpendicular setting Part can be preferably with nursery stock hat width edge side align, gauger only need read measured value, be conducive to improve pair The accuracy that nursery stock hat width measures, meanwhile, the north and south and east of nursery stock can be measured simultaneously by one-shot measurement operation West to width value, can simplify hat width measurement process and reduce measure process, be conducive to improve measurement efficiency.

In addition, since two measurement bar assemblies are rotatably linked together by installation axle, hat width ruler is not used When, two measure bar assembly and can turn to the state aligned in the up-down direction, easy to carry and receipts dress.

Preferably, the described first length for measuring both bar assembly and described second measurement bar assembly can be changed.

Using this scheme, in measurement process, two measuring rods can be adjusted according to the practical hat width size of nursery stock Range can expand its scope of application, meanwhile, need to mutually it be spliced by more rulers come real with being measured in the prior art for big hat width It now measures and compares, the accuracy for measuring difficulty and improving measurement can be reduced.

Optionally, described first the more measurements of bar assembly and the second measurement bar assembly by foldable setting are measured Bar forms.

Using this scheme, in measurement process, two measuring rods can be adjusted according to the practical hat width size of nursery stock Range can expand its scope of application, meanwhile, need to mutually it be spliced by more rulers come real with being measured in the prior art for big hat width It now measures and compares, the accuracy for measuring difficulty and improving measurement can be reduced.

Optionally, described first the more measurements of bar assembly and the second measurement bar assembly by scalable setting are measured Bar forms.

Using this scheme, in measurement process, two measuring rods can be adjusted according to the practical hat width size of nursery stock Range can expand its scope of application, meanwhile, need to mutually it be spliced by more rulers come real with being measured in the prior art for big hat width It now measures and compares, the accuracy for measuring difficulty and improving measurement can be reduced.

Optionally, further include can be sleeved on it is described first measure bar assembly and it is described second measure bar assembly on and can be opposite It carries out mobile vernier.

Using this scheme, during hat width ruler use, gauger can be such that the vernier approaches by the movement vernier Measured value, the person of being convenient for measuring are easier, accurately read measured value, are conducive to improve measurement accuracy.

Optionally, the guide needle assemblies are two groups, and mounted on the both ends of the installation axle, in first measuring rod Component and the tow sides of the second measurement bar assembly are both provided with scale value.

Using this scheme, make hat width ruler without just on the contrary point, gauger is when in use, positive and negative without being carried out to hat width ruler Face is distinguished, and can be used immediately, is conducive to improve ease of use.Simultaneously as hat width ruler is mainly in the wild using leading to it It is easy to be worn, in this way, the two sides of hat width ruler can be used alternatingly, is conducive to improve its service life.

Optionally, the guide needle assemblies are detachably connected with the installation axle.

It is convenient that the guide needle assemblies are replaced and repaired using this scheme.

Optionally, further include measuring bar assembly with installation axle rotation connection, the changeable third of measurement length, it is described Under hat width ruler is in the open state, described first, which measures bar assembly, the second measurement bar assembly, the third, measures bar assembly The T-shaped arrangement of this three.

Using this scheme, gauger can be made while measuring adjacent two seedlings for being especially located next to setting, favorably In raising measurement efficiency.

Description of the drawings

Fig. 1 is that hat width ruler is in the schematic diagram under folded state；

Fig. 2 is the schematic diagram under hat width ruler is in the open state；

Fig. 3 is the Longitudinal cross section schematic of hat width ruler, is an embodiment；

Fig. 4 is the schematic diagram of vernier；

Fig. 5 is the schematic diagram under hat width ruler is in the open state, is another embodiment.

Specific implementation mode

Hat width ruler described in the utility model is specifically described with reference to Fig. 1~Fig. 5.

Shown in referring to Fig.1~Fig. 3, hat width ruler described in the utility model includes mainly an installation axle 100, is fixed on the installation The guide needle assemblies 200 at 100 top of axis, first be mounted in installation axle 100 in a manner of it can be rotated relative to it measure Bar assembly 300 and second measures bar assembly 400, can be set in the first measurement bar assembly 300 and second measurement bar assembly 400 Two verniers 500 upper and that movement can be carried out relative to it.Specifically,

Guide needle assemblies 200 include mainly compass 210 in the prior art, which specifically includes compass Dial plate and pointer etc. are provided in the outer casing bottom of compass dial plate with externally threaded stud 220.In the upper of installation axle 100 Portion is formed with opening up counterbore 110, and internal thread is formed in the wall portion of the counterbore 110.Compass 210 passes through stud Screw-thread fit between 220 and 110 the two of counterbore and the top mounted on installation axle 100.

The concrete composition structure that first measurement bar assembly 300 measures bar assembly 400 with second is identical, their one end and peace It fills axis 100 to be rotatablely connected, the other end can stretch according to length is measured, their length under contraction or folded state are 0.5m, the maximum length under the unfolded state can be 2m, both of which by indicating scale, with the more of identical or different range Root measuring rod forms.Its concrete composition structure is described in detail by taking the first measurement bar assembly 300 as an example below, reference Shown in Fig. 2 and 3, in the present embodiment, first, which measures bar assembly 300, includes sequentially connected more measuring rods along its length 310, positioned at one end and the installation axle 100 of the measuring rod 310 of head end formed can opposite its rotationally be connect, the other end and The end of adjacent measuring rod 310 by rivet together, also, by caudal part setting measuring rod 310 be arranged always Above or below the measuring rod 310 of near head end setting, in this way, being in rugosity shown in Fig. 3 in the first measurement bar assembly 300 Under state, more measuring rods 310 can form superimposed setting in the up-down direction.

Particularly, in the present invention, as long as the specific connection type for measuring bar assembly and installation axle 100 meets the first measuring rod Component 300 and second measures bar assembly 400, and with installation axle 100 to be axis can turn opposite to in 90 degree of perpendicular states and surveying It opposite can be stably maintained under the state during amount.For example, stopper section can be arranged in installation axle 100, when When the one measurement measurement of bar assembly 300 and second bar assembly 400 can be turned opposite to in perpendicular state, pass through aforementioned stopper section It can prevent the two from continuing to turn opposite to, in this way, the first measurement bar assembly 300 and second can be made to measure bar assembly 400 more Add and is accurately maintained at perpendicular state.

As shown in figure 4, vernier 500 includes the first clamping portion 510, the second clamping portion 520 and is integrally formed in the second card Mark post 530 in socket part 520, wherein the end of the first clamping portion 510 and the second clamping portion 520 is rotatablely connected by shaft, They are formed with the holding section 511 that can form clamping in contrast to the end of side where shaft and by clamping portion 521, the first cards Socket part 510 and the second clamping portion 520 can match to form closure connection by card and portion 511 and by clamping portion 521, in the state Under, the first clamping portion 510 and the second clamping portion 520 are formed by the vertical sectional shape of the shape and aforementioned measuring rod of closing structure Substantially it is consistent.During hat width ruler use, vernier 500 is sleeved on the first measurement bar assembly 300 and second and measures bar assembly On 400 measuring rod, gauger can make the mark post 530 on vernier 500 approach measured value by moving cursor 500, facilitate survey Amount person is easier, accurately reads measured value, is conducive to improve measurement accuracy, meanwhile, if single measured using hat width ruler When, vernier 500 can be utilized to measure the measured value in bar assembly to two and be marked, recorded later with the person of being convenient for measuring, side Just it uses, avoids gauger from remembering measured value mixed.

It is described with reference to above structure, the use process of hat width ruler is easily described.

When measuring nursery stock hat width, first bar assembly 300 and second is measured by first and measure bar assembly 400 relative to installation axle 100, which carry out rotation, makes the two open to perpendicular state and is maintained at the state；Then, substantially according to premeasuring nursery stock hat width First measurement bar assembly 300 and second is measured multiple measuring rods in bar assembly 400 and opened to required length by numberical range Degree, and vernier 500 is disposed on the measuring rod in tail end；Then, under the guide of compass 210, pass through mobile hat width ruler It determines north and south and the east-west direction of nursery stock hat width, hat width ruler is placed on one jiao of nursery stock hat width, according on measuring rod Scale measures nursery stock hat width.

After measurement, vernier 500 can be removed, then again folds up more measuring rods, hat width ruler is made to be in Fig. 1 Shown state, in order to carry and receive dress.

Hat width ruler of the present invention, has the following technical effect that：

The first, the north and south of nursery stock hat width and east-west direction can be accurately located by the way that compass 210 is arranged, into And be conducive to improve the accuracy measured；

The second, it since two measurement bar assemblies can be in the on-state perpendicular state, can be grasped by one-shot measurement Make to measure the north and south of nursery stock and the width value of east-west direction simultaneously, and be needed in the prior art to north and south and east-west direction progress Operation is measured twice to compare, can simplify the measurement process of hat width and reduces measurement process, is conducive to improve measurement efficiency；In addition, Side that can be preferably with nursery stock hat width aligns, and gauger only needs to read 100 side of separate installation axle for measuring bar assembly Numerical value can also simplify measurement process, be conducive to improve the accuracy measured.

Third is made of due to measuring bar assemblies to measure two telescopic more measuring rods, is measured Cheng Zhong can adjust the range of hat width ruler according to the practical hat width size of nursery stock, can expand its scope of application, meanwhile, and it is existing The measurement of big hat width need to mutually be spliced to realize that measurement is compared by more rulers by having in technology, can be reduced and be measured difficulty and carry The accuracy of high measurement；

4th, when not in use, since multiple measuring rods of two measurement bar assemblies can be folded or are compressed together, and Two measure bar assembly and can turn to the state aligned in the up-down direction, easy to carry and receipts dress；

5th, this hat width ruler is simple in structure, easy to operate, suitable for being widely used to promote.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

For example, in the present invention, the first concrete structure for measuring the measurement bar assembly 400 of bar assembly 300 and second not limits to Shown in Fig. 3, constitute first measure bar assembly 300 and second measure bar assembly 400 more measuring rods can also by it is cylinder, Graduated gauge rod is marked to constitute, this more measuring rods are linked together by the way of being mutually socketed, and telescopic rod is consequently formed, Wherein, it leans on the radical length of the measuring rod of caudal part setting to be less than the measuring rod by near head end setting, makes the former that can be nested with rear In person, it is under compressive state in this way, measuring bar assembly at two, the measuring rod by caudal part setting can be housed in successively In the measuring rod of near head end setting.

In another example also a guide needle assemblies 200 can be fixed in the bottom of installation axle 100, correspondingly, shown in Fig. 1 and Fig. 2 The back side of measuring rod is also marked with range scale, in this way, make hat width ruler without just on the contrary point, gauger when in use, without pair Hat width ruler carries out positive and negative differentiation, can use immediately, is conducive to improve ease of use.Furthermore it is possible to two to hat width ruler Face is used alternatingly, and is conducive to improve its service life.

In another example as shown in figure 5, can also add a measurement bar assembly in installation axle 100, which is defined For third measure bar assembly 600, this first to third measure bar assembly with installation axle 100 be rotatablely connected, hat width ruler open shape Under state, first to third measures the T-shaped arrangement of this three of bar assembly, in this way, can make gauger while measure adjacent be especially Next to two seedlings of setting, be conducive to improve measurement efficiency.

Claims (8)

1. a kind of hat width ruler, which is characterized in that include the first survey rotatably to be linked together by installation axle (100) Gauge rod component (300) and second measures bar assembly (400), and guide needle assemblies are equipped in the end of the installation axle (100) (200)。

2. hat width ruler according to claim 1, which is characterized in that described first measures bar assembly (300) and described second The length for measuring both bar assemblies (400) is changeable.

3. hat width ruler according to claim 2, which is characterized in that described first measures bar assembly (300) and described second Bar assembly (400) is measured to be made of more measuring rods of foldable setting.

4. hat width ruler according to claim 2, which is characterized in that described first measures bar assembly (300) and described second Bar assembly (400) is measured to be made of more measuring rods of scalable setting.

5. hat width ruler according to claim 1, which is characterized in that further include that can be sleeved on described first to measure bar assembly (300) and mobile vernier (500) can be carried out in the second measurement bar assembly (400) and relative to it.

6. hat width ruler according to claim 1, which is characterized in that the guide needle assemblies (200) are two groups, and are mounted on The both ends of the installation axle (100),

It is both provided with scale in the tow sides of the first measurement bar assembly (300) and the second measurement bar assembly (400) Value.

7. hat width ruler according to claim 1 or 6, which is characterized in that the guide needle assemblies (200) and the installation axle (100) it is detachably connected.

8. hat width ruler according to claim 1, which is characterized in that further include and the installation axle (100) rotation connection, survey It measures the changeable third of length and measures bar assembly (600),

Under the hat width ruler is in the open state, described first, which measures bar assembly, the second measurement bar assembly, the third, surveys The T-shaped arrangement of this three of gauge rod component.