CN219640822U - Folding ruler - Google Patents

Abstract

The utility model provides a folding ruler, which relates to the technical field of measuring tools and comprises a main rod, a first extension rod, a second extension rod and a metal plug, wherein two sides of the main rod are respectively provided with a placing groove, one bottom of each placing groove is inserted with a first rotating shaft, one end of the first extension rod is rotatably arranged on the first rotating shaft, and the other end of the first extension rod is fixedly provided with a first shaft sleeve. The folding ruler for measuring snow has three forms aiming at different use scenes, namely a folding state convenient to carry about, a primary unfolding state convenient to detect snow with smaller thickness and a secondary unfolding state convenient to detect cave with larger thickness, so that the measuring ruler is convenient to carry about and use and has good applicability.

Description

Folding ruler

Technical Field

The utility model relates to the technical field of measuring tools, in particular to a folding ruler.

Background

When agricultural production is monitored, the depth of snow is required to be monitored, natural disasters can be avoided through the monitored meteorological environment data, and an early warning effect is achieved for the occurrence of the natural disasters so as to guarantee the smooth progress of agricultural production through scientific meteorological data.

The patent numbers are as follows: the utility model provides a CN 209961127U's "snow ruler", includes measuring stick and base, the lower extreme of measuring stick is equipped with the screw rod, the base is equipped with the thread groove, measuring stick and base threaded connection, the junction of measuring stick and base still is equipped with the spring leaf, the upper end of measuring stick is equipped with hexagon nut.

However, in the prior art, for areas with larger snowfall in north, such as Xinjiang and northeast areas, the thickness of snow can reach more than 1m, so when the snow thickness in the areas is measured, a measuring scale with larger length is needed, but the traditional measuring scale cannot meet the requirements, or the length of the measuring scale reaches the standard, but the problem that the detecting personnel are inconvenient to carry with in the snow is caused.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, for areas with larger snowfall in the north, the snow thickness can reach more than 1m, when the snow thickness in the areas is measured, a snow measuring ruler with larger length is needed, the traditional snow measuring ruler cannot meet the requirement, or the length of the snow measuring ruler meets the standard, but the detection personnel cannot carry with the snow, and the folding ruler is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a folding ruler, includes mobile jib, extension pole one, extension pole two and metal plug, the standing groove has all been seted up to the mobile jib both sides, one of them the pivot one has been pegged graft to the standing groove bottom, the one end rotation of extension pole one is installed in pivot one, and extension pole another end fixed mounting has axle sleeve one, the inside activity grafting of axle sleeve has pivot two, and pivot two and two one end fixed mounting of extension pole, two other ends of extension pole and metal plug one end fixed mounting, length scale has all been seted up in mobile jib, extension pole one, two outsides of extension pole.

Preferably, the buckle is installed in the rotation of mobile jib bottom, the spacing groove has been seted up to one side of one end of extension rod, and spacing inslot side and buckle one end activity joint.

Preferably, the buckle comprises a rotating shaft III, a rotating rod and a clamping block, wherein the rotating shaft III is rotationally connected with the bottom of the main rod, and the outer side of the rotating shaft III is fixedly connected with the clamping block through the rotating rod.

Preferably, a fixing plate is fixedly arranged on the side surface of one other end of the extension rod, and a fastening bolt is connected to the fixing plate in a threaded manner.

Preferably, a threaded hole is formed in the side face of one end of the extension rod II, and the fastening bolt is movably connected with the threaded hole.

Preferably, the width of the first extension rod and the width of the second extension rod are the same as the width of the placing groove.

Preferably, one end of the clamping block is inserted into the inner side of the limiting groove.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. the folding ruler for measuring snow has three forms aiming at different use scenes, namely a folding state convenient to carry about, a primary unfolding state convenient to detect snow with smaller thickness and a secondary unfolding state convenient to detect cave with larger thickness, so that the snow ruler is convenient to carry about and use and has good applicability.

2. In the utility model, when the extension rod is in a folding state, the buckle can be deflected towards one end of the extension rod II, the extension rod II can be clamped by the buckle, so that the problem that the measurement accuracy is affected due to deflection of the extension rod I when the extension rod II is inserted into snow can be prevented.

Drawings

FIG. 1 is a partial cross-sectional view of a folding ruler in a secondary unfolded state according to the present utility model;

FIG. 2 is a perspective view showing a contracted state of the folding ruler according to the present utility model;

FIG. 3 is a perspective view showing a contracted state of the folding ruler according to the present utility model;

FIG. 4 is a perspective view showing a one-time unfolded state of the folding ruler according to the present utility model;

fig. 5 is a schematic diagram showing an unfolding process of the folding ruler.

Legend description: 1. a main rod; 10. a placement groove; 11. a first rotating shaft; 2. a buckle; 20. a third rotating shaft; 21. a transfer rod; 22. a clamping block; 3. extension rod one; 30. a limit groove; 31. a first shaft sleeve; 4. extension rod II; 40. a second rotating shaft; 41. a threaded hole; 5. a fixing plate; 50. a fastening bolt; 6. a metal plug; 7. length scales.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a folding ruler, including mobile jib 1, extension pole one 3, extension pole two 4 and metal plug 6, standing groove 10 has all been seted up to mobile jib 1 both sides, extension pole one 3, extension pole two 4 width is the same with standing groove 10 width, one of them standing groove 10 bottom peg graft have pivot one 11, the one end of extension pole one 3 rotates and installs on pivot one 11, and extension pole one 3 other end fixed mounting has axle sleeve one 31, axle sleeve one 31 inside activity peg graft have pivot two 40, and pivot two 40 and extension pole two 4 one end fixed mounting, extension pole two 4 other end and metal plug 6 one end fixed mounting, mobile jib 1, extension pole one 3, length scale 7 has all been seted up to extension pole two 4 outsides; under the unused state, the folding ruler for measuring the snow thickness is in a complete folding state, when the snow thickness is not large, the measurement can be carried out after one-time unfolding, and when one-time unfolding is carried out, the extension rod II 4 is only needed to be taken out from the placing groove 10 on one side of the main rod 1, so that one end of the extension rod II 4 and the rotating shaft II 40 thereof deflect by taking the shaft sleeve I31 as the rotating shaft center until the extension rod II 4 and the extension rod I3 are in the same straight line, the metal plug 6 at the other end of the extension rod II 4 can be inserted into snow, and the snow thickness data can be rapidly obtained by observing the length scale 7 on the extension rod II 4.

When the measuring work with larger snow thickness is met, the folding ruler is unfolded for the second time on the basis of primary unfolding, one end of the first extension rod 3 deflects by taking the first rotary shaft 11 as a rotary shaft center, so that the main rod 1, the first extension rod 3 and the second extension rod 4 are all positioned on the same straight line after being unfolded to form a long straight rod, the metal plug 6 at the other end of the second extension rod 4 is inserted into snow, and the snow thickness data can be obtained rapidly by observing the length scales 7 on the main rod 1, the first extension rod 3 and the second extension rod 4.

As shown in fig. 1-5, a buckle 2 is rotatably installed at the bottom of the main rod 1, one side of one end of a first extension rod 3 is provided with a limit groove 30, the inner side of the limit groove 30 is movably clamped with one end of the buckle 2, the buckle 2 comprises a rotating shaft III 20, a rotating rod 21 and a clamping block 22, the rotating shaft III 20 is rotatably connected with the bottom of the main rod 1, the outer side of the rotating shaft III 20 is fixedly connected with the clamping block 22 through the rotating rod 21, and one end of the clamping block 22 is spliced with the inner side of the limit groove 30; when the folding rod is in a folding state, the rotating shaft III 20 and the clamping block 22 can deflect towards one end of the extension rod II 4, the clamping block 22 can clamp and limit one end of the extension rod II 4, and the extension rod II 4 is prevented from freely deflecting in the placing groove 10 to shake when the folding rod is taken. When the folding rod is unfolded for the second time, the rotating shaft III 20 and the clamping block 22 can be rotated to one side of the first extension rod 3, the clamping block 22 is inserted into the limiting groove 30, the first extension rod 3 is supported and fixed, and the problem that the measurement accuracy is affected due to deflection of the first extension rod 3 when the first extension rod is inserted into snow is prevented.

As shown in fig. 1-5, a fixed plate 5 is fixedly arranged on the side surface of the other end of the first extension rod 3, a fastening bolt 50 is connected to the fixed plate 5 in a threaded manner, a threaded hole 41 is formed in the side surface of one end of the second extension rod 4, and the fastening bolt 50 is movably connected with the threaded hole 41; when the extension rod II 4 is deflected and is in the same straight line with the extension rod I3, the extension rod I3 and the extension rod II 4 can be fixed by twisting the fastening bolt 50 to be in threaded connection with the threaded hole 41, so that the extension rod II 4 and the extension rod I3 are kept in the same straight line, and the problem that the detection precision is affected due to the deflection of the extension rod II 4 when the extension rod II is inserted into snow is avoided.

The application method and the working principle of the device are as follows: under the unused state, this a folding ruler for measuring snow thickness is in under the complete folding state, and pivot three 20 and fixture block 22 deflect to extension rod two 4 one end, carries out the chucking spacing to extension rod two 4's one end through fixture block 22, prevents when taking this folding rod, and extension rod two 4 freely deflects in standing groove 10 and rocks, and the staff of being convenient for hand-carry this folding ruler in snow.

When the snow thickness is not large, the snow thickness can be measured after one-time expansion, and when one-time expansion is performed, the second extension rod 4 is only required to be taken out of the placing groove 10 on one side of the main rod 1, so that one end of the second extension rod 4 and the second rotary shaft 40 thereof deflect by taking the first shaft sleeve 31 as the rotary shaft center until the second extension rod 4 and the first extension rod 3 are positioned on the same straight line, and the metal plug 6 at the other end of the second extension rod 4 can be inserted into snow through the fastening bolt 50, and the snow thickness data can be quickly obtained through observing the length scale 7 on the second extension rod 4.

When the measuring work with larger snow thickness is met, the folding ruler is unfolded for the second time on the basis of primary unfolding, one end of the first extension rod 3 deflects by taking the first rotary shaft 11 as a rotary shaft center, so that the main rod 1, the first extension rod 3 and the second extension rod 4 are all on the same straight line after being unfolded, after a long straight rod is formed, the clamping block 22 is inserted into the limit groove 30, the metal plug 6 at the other end of the second extension rod 4 is inserted into snow, and snow thickness data can be obtained rapidly by observing the length scales 7 on the main rod 1, the first extension rod 3 and the second extension rod 4.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a folding ruler, its characterized in that, including mobile jib (1), extension pole one (3), extension pole two (4) and metal plug (6), standing groove (10) have all been seted up to mobile jib (1) both sides, one of them standing groove (10) bottom is pegged graft and is had pivot one (11), the one end rotation of extension pole one (3) is installed on pivot one (11), and extension pole one (3) other end fixed mounting has axle sleeve one (31), axle sleeve one (31) inside activity grafting has pivot two (40), and pivot two (40) and extension pole two (4) one end fixed mounting, extension pole two (4) other end and metal plug (6) one end fixed mounting, length scale (7) have all been seted up in mobile jib (1), extension pole one (3), extension pole two (4) outside.

2. A folding ruler according to claim 1, wherein: the buckle (2) is installed in rotation of mobile jib (1) bottom, spacing groove (30) has been seted up to one side of extension rod one (3) one end, and spacing groove (30) inboard and buckle (2) one end activity joint.

3. A folding ruler as claimed in claim 2, wherein: the buckle (2) comprises a rotating shaft III (20), a switching rod (21) and a clamping block (22), wherein the rotating shaft III (20) is rotationally connected with the bottom of the main rod (1), and the outer side of the rotating shaft III (20) is fixedly connected with the clamping block (22) through the switching rod (21).

4. A folding ruler according to claim 3, wherein: the side surface of the other end of the first extension rod (3) is fixedly provided with a fixing plate (5), and the fixing plate (5) is connected with a fastening bolt (50) in a threaded manner.

5. A folding ruler as claimed in claim 4, wherein: screw holes (41) are formed in the side face of one end of the second extension rod (4), and the fastening bolts (50) are movably connected with the screw holes (41).

6. A folding ruler according to claim 1, wherein: the width of the first extension rod (3) and the width of the second extension rod (4) are the same as the width of the placing groove (10).

7. A folding ruler according to claim 3, wherein: one end of the clamping block (22) is inserted into the inner side of the limit groove (30).