CN221173174U - Portable survey and drawing ruler for survey and drawing - Google Patents

Abstract

The utility model relates to the technical field of surveying and mapping, in particular to a portable surveying and mapping ruler which comprises a first measuring plate and a second measuring plate, wherein the second measuring plate is arranged on the right side of the first measuring plate, a tightening belt is arranged on the right side of the first measuring plate, the right end of the tightening belt is fixed with the second measuring plate, the left end of the tightening belt is connected with a winding shaft, the winding shaft is rotatably arranged in the first measuring plate, the end part of the winding shaft is provided with a torsion spring, and the winding shaft is driven to rotate by the torsion spring to wind the tightening belt. This portable survey and drawing ruler for survey and drawing makes it fold through the concatenation setting of first measurement board and second measurement board accomodate to make things convenient for subsequent carrying, and take up the take up tape under the effect that the take up spool on the first measurement board can torsion spring again, take up first measurement board and second measurement board are automatic taut, make it keep leveling after expanding.

Description

Portable survey and drawing ruler for survey and drawing

Technical Field

The utility model relates to the technical field of mapping, in particular to a portable mapping ruler for mapping.

Background

When carrying out the survey and drawing operation, generally assist through the survey and drawing chi to the measurement drawing of local size, measure and draw corresponding size through the survey and drawing chi, follow-up drawing pattern can supply relevant planning design and management to use, is a portable survey and drawing chi of published day 9 of application number CN202121412472.X,2021 year 11 month, including outer chi, the inboard right side of outer chi has an inner scale through pivot swing joint, the left side at outer chi back runs through and is provided with the inserted bar, the front of inserted bar runs through inner scale and outer chi in proper order and extends to the front of outer chi, the positive left side sliding connection of outer chi has the push rod, the left side fixedly connected with locating lever of push rod, the inside to the inserted bar is run through in the left side of locating lever, the equal fixedly connected with of top and bottom of outer chi openly carries the handle, the positive fixedly connected with holding rod of push rod, the holding rod cooperation push rod uses, the constant head tank has been seted up to the front on the inserted bar right side. The portable surveying and mapping ruler achieves the effect of portability, and solves the problems that most of the existing surveying and mapping ruler is a fixed whole and cannot be contracted and folded, and is inconvenient to carry;

The mapping ruler when folding that adopts at present, mapping ruler is expanding the back, if folding department does not carry out spacingly, then the use of mapping ruler warp deformation very easily to influence stability and the accuracy that follow-up measurement was drawn, be provided with stop gear, need the corresponding stop gear of user manual operation to lock the butt joint, and still need to remove spacingly earlier when folding, increased corresponding operating procedure, thereby reduced the whole use convenience of mapping ruler.

Disclosure of utility model

The utility model aims to provide a portable mapping ruler for mapping, which solves the problems that after the mapping ruler is unfolded and the folded part is not limited, the mapping ruler is easy to deform in distortion so as to influence the stability and accuracy of subsequent measurement and drawing, a limiting mechanism is arranged, a user is required to manually operate the corresponding limiting mechanism to lock butt joint, and the limiting is required to be released firstly when the mapping ruler is folded.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable survey and drawing ruler for survey and drawing, includes first measurement board and second measurement board, the second measurement board sets up on the right side of first measurement board, the right side of first measurement board is provided with tightens up the area, and tightens up the right-hand member of area and second measurement board and fix mutually to tighten up the left end of area and be connected with the spool, the spool is rotated and is installed in the inside of first measurement board, and installs torsion spring at the tip of spool, drives the spool through torsion spring and rotates, carries out the rolling to tightens up the area, takes up the second measurement board taut on the right side of first measurement board, be provided with positioning mechanism on the right side of first measurement board, through positioning mechanism interconnect between first measurement board and the second measurement board, keep the parallel and level between first measurement board and the second measurement board, be provided with automatic docking mechanism on first measurement board and the second measurement board, automatic dock first measurement board and second measurement board after folding with the second measurement board, make behind the first measurement board and the second measurement board fold stable.

Further optimizing the technical scheme, the positioning mechanism comprises a splicing block and a splicing groove;

the splicing blocks are arranged on the left side of the second measuring plate, and two groups of splicing blocks are arranged on the second measuring plate;

The splice groove is formed in the right side of the first measuring plate, and a concave-convex matching structure is formed between the splice groove and the splice block.

Further optimize this technical scheme, the splice is magnetic material constitution, and constitutes side-to-side sliding structure between splice and the second measurement board to the outside of splice is provided with reset spring, provides thrust for the splice through reset spring, makes it accomodate in the inside of second measurement board, the inside of splice groove is fixed with first adsorption magnet, first adsorption magnet and splice mutual attraction.

Further optimize this technical scheme, the appeal of first absorption magnet to the splice piece is greater than reset spring's elasticity, and the horizontal central line of first absorption magnet and splice groove's horizontal central line coincide each other and set up.

Further optimizing the technical scheme, the automatic docking mechanism comprises a positioning column, a positioning groove and a second adsorption magnet;

The positioning column is fixed above the second measuring plate and is made of magnetic materials;

The positioning groove is formed above the first measuring plate, and a clamping structure is formed between the positioning groove and the positioning column;

And the second adsorption magnet is fixed in the positioning groove and used for connecting and attracting the positioning column and the positioning groove.

Further optimize this technical scheme, the outside of first measurement board is provided with measures auxiliary mechanism, can carry out centre gripping formula size survey and drawing through measuring auxiliary mechanism.

Further optimizing the technical scheme, the measurement auxiliary mechanism comprises a sliding block, a guide groove, a measurement frame and a locking rod;

The sliding block is arranged on the outer side of the first measuring plate;

The guide groove is formed in the surfaces of the first measuring plate and the second measuring plate, the guide groove on the first measuring plate and the guide groove on the second measuring plate are communicated with each other, and the sliding block and the guide groove form sliding connection;

The measuring rack is fixed on the outer side of the sliding block, and two groups of measuring racks are arranged on the first measuring plate;

The locking rod penetrates through the sliding block and forms threaded connection with the sliding block.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The portable surveying and mapping ruler can be folded and stored through the splicing arrangement of the first measuring plate and the second measuring plate, so that the portable surveying and mapping ruler is convenient to carry, the tightening belt can be wound under the action of the torsion spring again by the winding shaft on the first measuring plate, and the first measuring plate and the second measuring plate are automatically tensioned, so that the first measuring plate and the second measuring plate are kept flat after being unfolded;

(2) According to the portable surveying and mapping ruler, the butt joint between the first measuring plate and the second measuring plate can be kept stable through the connection of the splicing blocks and the splicing grooves, the first measuring plate and the second measuring plate can be kept stable when in use by matching with the tightening effect of the tightening belt, the portable surveying and mapping ruler can be realized without operating the related limiting mechanism, the portable surveying and mapping ruler is more convenient to use, and the first measuring block and the second measuring block can be directly pulled apart to be folded when being folded and stored, so that the portable surveying and mapping ruler is more convenient to operate;

(3) The portable mapping ruler for mapping can be used for positioning the folded first measuring plate and the folded second measuring plate through the connection of the positioning column and the positioning groove, and is matched with the second adsorption magnet to attract the positioning column, and the positioning column is directly pulled out of the positioning groove during subsequent unfolding;

(4) The portable surveying and mapping ruler can carry out clamping type measurement on external articles through movement of the measuring frame, so that measurement data can be conveniently observed, and the measuring frame can be flexibly adjusted on the first measuring plate and the second measuring plate, so that the application range of the portable surveying and mapping ruler is increased;

(5) This portable survey and drawing is with survey and drawing chi can be with slider locking in the inside of guiding groove through the setting of locking lever, makes the measurement frame can keep stable on first measurement board and second measurement board, makes things convenient for follow-up record measurement data.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic folding view of a first measuring plate and a second measuring plate according to the present utility model;

FIG. 3 is a schematic view showing a structure of a first measuring plate and a second measuring plate of the present utility model in a top-down connection;

FIG. 4 is a schematic view showing the bottom structure of the first measuring plate of the present utility model;

FIG. 5 is a schematic side sectional view of a slider according to the present utility model;

FIG. 6 is a schematic view of the connection structure of the positioning slot and the positioning block according to the present utility model.

In the figure: 1. a first measurement plate; 2. a second measurement plate; 3. splicing blocks; 4. a splice groove; 5. a return spring; 6. a first adsorption magnet; 7. tightening the belt; 8. a winding shaft; 9. a torsion spring; 10. positioning columns; 11. a positioning groove; 12. a second adsorption magnet; 13. a slide block; 14. a guide groove; 15. a measuring rack; 16. a locking lever.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the portable mapping ruler for mapping comprises a first measuring plate 1 and a second measuring plate 2, wherein the second measuring plate 2 is arranged on the right side of the first measuring plate 1;

embodiment one:

As shown in fig. 1-3, the present invention provides a technical solution: this portable survey and drawing is with survey and drawing chi discloses:

The right side of the first measuring plate 1 is provided with a tightening belt 7, the right end of the tightening belt 7 is fixed with the second measuring plate 2, the left end of the tightening belt 7 is connected with a winding shaft 8, the winding shaft 8 is rotatably arranged in the first measuring plate 1, the end part of the winding shaft 8 is provided with a torsion spring 9, the winding shaft 8 is driven to rotate by the torsion spring 9, the tightening belt 7 is wound, the second measuring plate 2 is tensioned on the right side of the first measuring plate 1, the right side of the first measuring plate 1 is provided with a positioning mechanism, the first measuring plate 1 and the second measuring plate 2 are connected with each other through the positioning mechanism, so that the first measuring plate 1 and the second measuring plate 2 are kept level, an automatic butt joint mechanism is arranged on the first measuring plate 1 and the second measuring plate 2, and after the second measuring plate 2 is folded, the first measuring plate 1 and the second measuring plate 2 are automatically butted, and the folded first measuring plate 1 and the second measuring plate 2 are kept stable;

The first measuring plate 1 and the second measuring plate 2 can be folded and stored, the carrying is convenient, the second measuring plate 2 can be unfolded during use, the second measuring plate 2 is spliced on the right side of the first measuring plate 1, when folding and unfolding operations are carried out, the second measuring plate 2 can pull the tightening belt 7 to unreel on the winding shaft 8, meanwhile, the torsion spring 9 stores force, so that the position of the second measuring plate 2 can be adjusted, when the second measuring plate 2 is unfolded, the torsion spring 9 can drive the winding shaft 8 to rotate, the tightening belt 7 is wound, the first measuring plate 1 and the second measuring plate 2 are in butt joint tension, and the butt joint of the first measuring plate 1 and the second measuring plate 2 is realized through the cooperation of the positioning mechanism.

Embodiment two:

As shown in fig. 3-6, the present invention provides a technical solution: this portable survey and drawing is with survey and drawing chi discloses:

The positioning mechanism comprises a splicing block 3 and a splicing groove 4, the splicing block 3 is arranged on the left side of a second measuring plate 2, the splicing block 3 is provided with two groups of splicing grooves 4 on the second measuring plate 2, the splicing groove 4 is arranged on the right side of a first measuring plate 1, a concave-convex matching structure is formed between the splicing groove 4 and the splicing block 3, the splicing block 3 is made of magnetic materials, a left-right sliding structure is formed between the splicing block 3 and the second measuring plate 2, a reset spring 5 is arranged on the outer side of the splicing block 3, the reset spring 5 provides thrust for the splicing block 3, so that the reset spring can be accommodated in the second measuring plate 2, a first adsorption magnet 6 is fixed in the splicing groove 4, the first adsorption magnet 6 and the splicing block 3 are mutually attracted, the attraction force of the first adsorption magnet 6 to the splicing block 3 is larger than the elasticity of the reset spring 5, the horizontal center line of the first adsorption magnet 6 and the horizontal center line of the splicing groove 4 are mutually overlapped, the automatic butt joint mechanism comprises a positioning column 10, a positioning groove 11 and a second adsorption magnet 12, the positioning column 10 is fixed above the second measuring plate 2, the positioning column 11 and the positioning column 11 is connected with the positioning column 11, and the positioning column 11 is formed by the positioning column 11, and the positioning column 11 is fixedly arranged on the positioning column 11;

When first measurement board 1 and second measurement board 2 are the folded condition, splice 3 accomodates the inside of second measurement board 2 under reset spring 5's effect, make the surface of second measurement board 2 keep leveling, conveniently carry, second adsorption magnet 12 attracts reference column 10 simultaneously, fix a position it in constant head tank 11, keep the folding stability of first measurement board 1 and second measurement board 2, when expanding it, direct pulling second measurement board 2 releases the connection of reference column 10 and constant head tank 11, remove the right side of first measurement board 1 with second measurement board 2, make splice 3 and splice tank 4 relative, first adsorption magnet 6 in the splice tank 4 will attract splice 3 this moment, make splice 3 and splice tank 4 connect, stability when guaranteeing that follow-up first measurement board 1 and second measurement board 2 used.

Embodiment III:

As shown in fig. 3 and fig. 5, the present invention provides a technical solution: this portable survey and drawing is with survey and drawing chi discloses:

The outside of the first measuring plate 1 is provided with a measuring auxiliary mechanism, clamping type size mapping can be carried out through the measuring auxiliary mechanism, the measuring auxiliary mechanism comprises a sliding block 13, a guide groove 14, a measuring frame 15 and a locking rod 16, the sliding block 13 is arranged on the outside of the first measuring plate 1, the guide groove 14 is formed on the surfaces of the first measuring plate 1 and the second measuring plate 2, the guide groove 14 on the first measuring plate 1 and the guide groove 14 on the second measuring plate 2 are mutually communicated, sliding connection is formed between the sliding block 13 and the guide groove 14, the measuring frame 15 is fixed on the outside of the sliding block 13, the measuring frame 15 is provided with two groups on the first measuring plate 1, and the locking rod 16 penetrates through the sliding block 13 and forms threaded connection between the sliding block 13;

Can carry out centre gripping formula measurement to external object through measuring frame 15, conveniently carry out the reading of measured data, can remove measuring frame 15 as required when measuring and remove, make it form the centre gripping to the object outside, before removing measuring frame 15, rotatable locking lever 16, locking lever 16 removes through the threaded connection with slider 13, release locking lever 16 to slider 13's spacing effect, can remove measuring frame 15, but measuring frame 15 position moves back rotatable locking lever 16 again, lock slider 13 in guide slot 14, make measuring frame 15 position keep stable, conveniently carry out the reading record of data.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The portable mapping ruler for mapping comprises a first measuring plate (1) and a second measuring plate (2), wherein the second measuring plate (2) is arranged on the right side of the first measuring plate (1);

The method is characterized in that: the right side of the first measuring plate (1) is provided with a tightening belt (7), the right end of the tightening belt (7) is fixed with the second measuring plate (2), the left end of the tightening belt (7) is connected with a winding shaft (8), the winding shaft (8) is rotatably arranged in the first measuring plate (1), the end part of the winding shaft (8) is provided with a torsion spring (9), the winding shaft (8) is driven to rotate through the torsion spring (9), the tightening belt (7) is wound, the second measuring plate (2) is tensioned on the right side of the first measuring plate (1), the right side of the first measuring plate (1) is provided with a positioning mechanism, and the first measuring plate (1) and the second measuring plate (2) are connected with each other through the positioning mechanism, so that the first measuring plate (1) and the second measuring plate (2) are kept flush;

The automatic butt joint mechanism is arranged on the first measuring plate (1) and the second measuring plate (2), and the first measuring plate (1) and the second measuring plate (2) are automatically butt-jointed after the second measuring plate (2) is folded, so that the folded first measuring plate (1) and the folded second measuring plate (2) are kept stable.

2. A portable mapping ruler as claimed in claim 1, wherein: the positioning mechanism comprises a splicing block (3) and a splicing groove (4);

The splicing blocks (3) are arranged on the left side of the second measuring plate (2), and the splicing blocks (3) are provided with two groups on the second measuring plate (2);

And the splicing groove (4) is formed on the right side of the first measuring plate (1), and a concave-convex matching structure is formed between the splicing groove (4) and the splicing block (3).

3. A portable mapping ruler as claimed in claim 2, wherein: the splice block (3) is made of magnetic materials, a left-right sliding structure is formed between the splice block (3) and the second measuring plate (2), a reset spring (5) is arranged on the outer side of the splice block (3), thrust is provided for the splice block (3) through the reset spring (5), the splice block can be contained in the second measuring plate (2), a first adsorption magnet (6) is fixed in the splice groove (4), and the first adsorption magnet (6) and the splice block (3) are attracted to each other.

4. A portable mapping ruler for mapping according to claim 3, wherein: the attraction force of the first adsorption magnet (6) on the splicing block (3) is larger than the elastic force of the reset spring (5), and the horizontal center line of the first adsorption magnet (6) and the horizontal center line of the splicing groove (4) are overlapped with each other.

5. A portable mapping ruler as claimed in claim 1, wherein: the automatic docking mechanism comprises a positioning column (10), a positioning groove (11) and a second adsorption magnet (12);

the positioning column (10) is fixed above the second measuring plate (2), and the positioning column (10) is made of magnetic materials;

The positioning groove (11) is formed above the first measuring plate (1), and a clamping structure is formed between the positioning groove (11) and the positioning column (10);

And the second adsorption magnet (12) is fixed in the positioning groove (11) and is used for attracting the connection between the positioning column (10) and the positioning groove (11).

6. A portable mapping ruler as claimed in claim 1, wherein: the outside of first measurement board (1) is provided with and measures auxiliary mechanism, can carry out centre gripping formula size survey and drawing through measuring auxiliary mechanism.

7. The portable mapping ruler for mapping according to claim 6, wherein: the measuring auxiliary mechanism comprises a sliding block (13), a guide groove (14), a measuring frame (15) and a locking rod (16);

a slider (13) arranged outside the first measuring plate (1);

The guide groove (14) is formed in the surfaces of the first measuring plate (1) and the second measuring plate (2), the guide groove (14) on the first measuring plate (1) and the guide groove (14) on the second measuring plate (2) are mutually communicated, and the sliding block (13) and the guide groove (14) form sliding connection;

The measuring frames (15) are fixed on the outer sides of the sliding blocks (13), and the measuring frames (15) are provided with two groups on the first measuring plate (1);

And a locking rod (16) penetrates through the sliding block (13) and forms threaded connection with the sliding block (13).