Drawing model ruler for mountain geology surveying and mapping engineering

Abstract

The utility model discloses a drawing model ruler for mountain geology surveying and mapping engineering, which belongs to the technical field of surveying and mapping engineering equipment and comprises a folding model ruler and a ruler shell, one end of the folding model ruler is provided with a disc-shaped front clamping plate and a disc-shaped rear clamping plate, and a plurality of ruler strips are connected between the front clamping plate and the rear clamping plate through a rotating part of a rotating bearing seat. The non-rotating part of the rotating bearing seat is embedded and mounted on the surfaces of the front clamping plate and the rear clamping plate, the ruler strips comprise ruler strips with legends of different shapes machined on the surfaces and measuring ruler strips, and a compass and a liquid level gauge are embedded and mounted on the surfaces of the measuring ruler strips. A semicircular angle ruler is fixedly welded to the upper end of the front side face of the front clamping plate, a finger lifting notch is formed in the inner side of the semicircular angle ruler, and reset magnetic attraction strips are embedded into the outer ends of the surfaces of the ruler strips. The drawing model ruler is of a folding structure, small in size, convenient to carry outdoors, good in durability, long in service life and good in economic benefit.

Description

TECHNICAL FIELD

[0001] The utility model relates to surveying and mapping engineering equipment technical field more specifically, relate to a kind of drawing model ruler for mountain geology surveying and mapping engineering. BACKGROUND

[0002] Engineering geology surveying and mapping is to use geological, engineering geological theory, the observation and description of various geological phenomena related to engineering construction, preliminary investigation of the proposed construction site or each building site engineering geological conditions. Engineering geological conditions elements are plotted on topographic maps of different colors, symbols, according to the accuracy requirements, and combined with exploration, testing and other survey data, to prepare engineering geological map. This important survey results can be evaluated on the stability and suitability of the site or each building site.

[0003] In actual surveying and mapping work, drawing model ruler is one of the commonly used equipment, which has the following problems in use: one is that most of the drawing model ruler is large and wide, which is not convenient to carry, and is easy to lose; two is that the drawing model ruler is worn out quickly due to the harsh geological environment during long-term use, and has a low service life. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of drawing model ruler for mountain geology surveying and mapping engineering, the drawing model ruler adopts folding structure, and the volume is less, convenient for outdoor carrying, and has good durability, long service life and good economic benefit.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of drawing model ruler for mountain geology surveying and mapping engineering, including folding model ruler and ruler shell, the folding model ruler one end is equipped with disc type front and rear clamping plate, and the front and rear clamping plate is connected with several rulers through the rotating part of rotating bearing seat, the non-rotating part of rotating bearing seat is embedded and installed to the surface of front and rear clamping plate, the several rulers include the ruler with different shape legends on the surface and the measuring ruler, the surface of measuring ruler is embedded and installed with compass and liquid level, the front side of front clamping plate of front and rear clamping plate is welded and fixed with semicircular angle ruler, the inside of semicircular angle ruler is provided with finger lifting slot, the surface of several rulers is embedded and installed with reset magnetic attraction strip.

[0007] As a further optimization of the scheme, the inner groove bottom of the ruler shell is provided with a fixed magnetic attraction strip, the several rulers are reset and folded by the reset magnetic attraction strip, inserted into the inner groove of the ruler shell, and fixed by the fixed magnetic attraction strip, the upper opening of the ruler shell is processed as an arc surface to support the clamping plate.

[0008] As a further optimization of the present scheme, the rear side of the ruler shell is fixed with a hook-shaped pressing plate, and the hook-shaped pressing plate is internally provided with a clasp spring.

[0009] As a further optimization of the present scheme, the hook-shaped pressing plate is sleeved into the inside of the trouser waistband or the bag pocket opening of the staff.

[0010] Compared with the prior art, the present utility model has the following beneficial effects:

[0011] In the utility model, through the setting of front and rear clamping plates, pivot shafts and a plurality of ruler structures, folding installation of a plurality of different shape legend ruler and measuring ruler is realized, and all the ruler is reset by reset magnetic attraction strip, compared with the prior art multi-in-one drawing model ruler, the volume is smaller, and the hook-shaped pressing plate structure is designed to be sleeved into the inside of the trouser waistband or the bag pocket opening of the staff at any time, so that the outdoor wearing is facilitated, and the loss is reduced; through the design of the corresponding ruler shell structure, the angle ruler lower periphery of the upper end support semicircle and the built-in fixed magnetic attraction strip fix all the folding ruler, when not in use, all the folding ruler can be sealed and protected, the durability is better, the service life is longer, and the economic benefit is better; the angle ruler structure with finger lifting slot is specially designed, so that the staff can take out and place the folding model ruler from the inside of the ruler shell at any time through fingers, and the use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure schematic view of the folding model ruler after the ruler shell part is taken out and unfolded (part of the shell of the ruler shell is removed);

[0013] Figure 2 It is a front view of the folding model ruler of the utility model;

[0014] Figure 3 It is a structure schematic view of the side of the ruler shell (part of the shell of the ruler shell is removed);

[0015] In the drawing: 1, clamping plate; 2, rotating bearing seat; 3, ruler; 4, angle ruler; 5, finger lifting slot; 6, legend; 7, measuring ruler; 8, ruler shell; 9, hook-shaped pressing plate; 10, compass; 11, liquid level gauge; 12, reset magnetic attraction strip; 13, fixed magnetic attraction strip; 14, clasp spring. PREFERRED EMBODIMENT

[0016] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0017] In order to solve the problem that most of the existing drawing model ruler is large and wide, inconvenient to wear, easy to lose, and the drawing model ruler is worn out quickly due to the harsh geological environment during long time use, and the service life is short;

[0018] As shown in Figure 1 , the application comprises a folding model ruler and a ruler shell 8, one end of the folding model ruler is provided with disc-shaped front and rear clamping plates 1, and a plurality of ruler bars 3 are connected between the front and rear clamping plates 1 through the rotating part of a rotating bearing seat 2, the non-rotating part of the rotating bearing seat 2 is embedded and installed on the surface of the front and rear clamping plates 1, and the plurality of ruler bars 3 include a ruler bar with different shape legends 6 processed on the surface and a measuring ruler bar 7;

[0019] As shown in Figure 2 , the surface of the measuring ruler bar 7 is embedded and installed with a compass 10 and a liquid level 11, the front side of the front clamping plate 1 in the front and rear clamping plates 1 is welded and fixed with a semicircular angle ruler 4, a finger pulling slot 5 is formed in the inner side of the semicircular angle ruler 4, and the surface of the plurality of ruler bars 3 is embedded and installed with a reset magnetic attraction bar 12;

[0020] As shown in Figure 3 , the inner groove bottom end of the ruler shell 8 is provided with a fixed magnetic attraction bar 13, the plurality of ruler bars 3 are inserted into the inner groove of the ruler shell 8 after being reset and folded by the reset magnetic attraction bar 12 and are fixed by the fixed magnetic attraction bar 13, the upper opening of the ruler shell 8 is processed into an arc surface for supporting the lower periphery of the clamping plate 1, and the rear side of the upper end of the ruler shell 8 is fixed with a hook-shaped pressing plate 9, and the hook-shaped pressing plate 9 is internally installed with a clamping spring 14.

[0021] Specifically, the plurality of ruler bars 3 with different shape legends and the measuring ruler bar 7 are mutually attracted and positioned by the reset magnetic attraction bar 12, and are combined into a straight line, compared with the existing multi-in-one drawing model ruler, the volume is smaller, and the hook-shaped pressing plate 9 can be sleeved into the trouser belt or the bag pocket opening of the staff at any time, so that the outdoor wearing is facilitated, and the loss is reduced; the specially designed upper end of the ruler shell 8 supports the lower periphery of the clamping plate 1 and the built-in fixed magnetic attraction bar 13 positions and fixes all the folded ruler bars, when not in use, all the folded ruler bars can be sealed and protected, the durability is good, the service life is long, and the economic benefit is good; the specially designed angle ruler 4 structure with the finger pulling slot 5 can facilitate the staff to take out and place the folding model ruler from the inside of the ruler shell 8 at any time, and the use is facilitated.

[0022] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the existing technology, the machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.

[0023] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A model ruler for mountain surveying engineering, characterized in that: The utility model relates to a folding model ruler and a ruler shell, wherein the folding model ruler is provided with front and back clamps at one end in the form of a disc, and a plurality of ruler strips are connected between the front and back clamps through the rotating part of a rotating bearing seat; the non-rotating part of the rotating bearing seat is embedded and installed on the surface of the front and back clamps; the plurality of ruler strips include ruler strips with different shapes of legends processed on the surface and measuring ruler strips; the surface of the measuring ruler strips is embedded and installed with a compass and a liquid level; the front side of the front clamp of the front and back clamps is welded and fixed with a semicircular angle ruler at the upper end; a finger lifting notch is formed on the inner side of the semicircular angle ruler; the surface of the plurality of ruler strips is embedded and installed with a reset magnetic strip at the outer end.

2. The model ruler for mountain surveying and mapping engineering according to claim 1, characterized in that: The inner groove bottom end of the ruler shell is provided with a fixed magnetic strip; the plurality of ruler strips are inserted into the inner groove of the ruler shell after being reset and folded through the reset magnetic strip, and are fixed through the fixed magnetic strip; the upper opening of the ruler shell is processed into an arc surface to support the lower periphery of the clamps.

3. The model ruler for mountain surveying and mapping engineering according to claim 2, characterized in that: The rear side of the ruler shell is fixed with a hook-shaped pressing plate at the upper end; the hook-shaped pressing plate is internally installed with a clamping spring.

4. The model ruler for mountain surveying and mapping engineering according to claim 3, characterized in that: The hook-shaped pressing plate is sleeved into the trouser waistband or the bag pocket opening of a worker.

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