CN220995967U - Folding type topographic mapping drawing board - Google Patents

Abstract

The utility model discloses a folding topographic mapping drawing board which comprises two board bodies which are rotationally connected through a hinge, wherein the two board bodies are rectangular boards, first insertion holes are formed in the front side and the rear side of the two board bodies, the two board bodies are fixed through locking pieces, each locking piece comprises a brace and two bolts fixed on the side wall of the brace, and when the two board bodies are fixed, the bolts are inserted into the corresponding first insertion holes. According to the utility model, the two plate bodies can be folded, so that the two plate bodies can be stacked to form two layers, the surface area of the whole drawing plate is reduced, the drawing plate is convenient to carry, and the two plate bodies are fixed by inserting the bolt at one side of the brace into the second jack, so that the two plate bodies are kept in two-layer arrangement; when the drawing board is used, the bolt on one side of the drawing board is moved out of the second jack, the two board bodies are unfolded and tiled, the bolt on one side of the drawing board is inserted into the first jack, fixation is achieved, and the drawing board is tiled on the two board bodies.

Description

Folding type topographic mapping drawing board

Technical Field

The utility model relates to the technical field of drawing boards, in particular to a folding type topographic mapping drawing board.

Background

The topographic mapping is the operation of mapping the topographic map, namely, the projection position and the elevation of the ground object and the topographic map on the earth surface on the horizontal plane are measured, and the topographic map is drawn by symbols and marks according to a certain proportion; the drawing board is used for supporting drawings used for mapping, so that a user can conveniently draw.

Because the surface area of the drawing board is too large, the drawing board is inconvenient to carry and difficult to operate, the application provides the folding type topographic surveying and mapping drawing board.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a folding topographic mapping drawing board, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a folding topography survey and drawing board, includes two plate bodies of passing through hinge swivelling joint, two the plate body is the rectangular plate, two first jack has all been seted up to both sides around the plate body, two fix through the locking piece between the plate body, the locking piece includes the brace, is fixed in two bolts of brace lateral wall, when fixed to two plate bodies, in the bolt inserts to corresponding first jack.

Preferably, the two boards are provided with second jacks on one sides far away from each other.

Preferably, the first jack and the second jack are circular holes, the specifications of the first jack and the second jack are the same, and the bolt is a cylindrical pin.

Preferably, the two sides of the plate body, which are far away from each other, are provided with mounting grooves, a pressing strip for fixing the drawing is arranged in each mounting groove, the top of each pressing strip is fixedly connected with a pull handle, and the inner bottom wall of each mounting groove is fixedly connected with two elastic guide pieces for guiding the pressing strip.

Preferably, the elastic guide piece comprises a guide rod fixed on the inner bottom wall of the mounting groove, the guide rod movably penetrates through the pressing strip, a spring is fixedly connected between the pressing strip and the mounting groove, and the spring is sleeved on the guide rod.

Preferably, two symmetrically distributed grooves are formed in the bottom of each plate body, and supporting blocks are arranged on the inner walls of the grooves in a rotating mode through rotating shafts.

(III) beneficial effects

The utility model provides a folding topographic mapping drawing board, which has the following beneficial effects:

1. According to the utility model, the two plate bodies can be folded, so that the two plate bodies can be stacked to form two layers, the surface area of the whole drawing plate is reduced, the drawing plate is convenient to carry, and the two plate bodies are fixed by inserting the bolt at one side of the brace into the second jack, so that the two plate bodies are kept in two-layer arrangement; when the drawing board is used, the bolt on one side of the drawing board is moved out of the second jack, the two board bodies are unfolded and tiled, the bolt on one side of the drawing board is inserted into the first jack, fixation is achieved, and the drawing board is tiled on the two board bodies at the moment for use.

2. According to the drawing device, one side of a drawing is plugged below the pressing strip, the pull handle is loosened, the spring releases the elastic force, and the pressing strip is pulled to descend, so that the pressing strip is in contact with the drawing, pressing and fixing are achieved, and the drawing is kept stable in the drawing process.

Drawings

FIG. 1 is a front perspective view of a folding topographic mapping drawing board according to the present utility model;

FIG. 2 is an enlarged block diagram of the portion A of FIG. 1;

FIG. 3 is an enlarged block diagram of the portion B of FIG. 1;

fig. 4 is a bottom perspective view structure diagram of the folding topographic mapping drawing board provided by the utility model.

In the figure: 1. a plate body; 101. a mounting groove; 102. a groove; 2. a hinge; 3. a locking member; 31. bracing; 32. a plug pin; 4. a first jack; 5. a second jack; 6. pressing strips; 7. an elastic guide; 71. a spring; 72. a guide rod; 8. a pull handle; 9. and a supporting block.

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.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a folding topography survey and drawing board, including two plate bodies 1 that rotate through hinge 2 to be connected, two plate bodies 1 are the rectangular plate, first jack 4 has all been seted up to both sides around two plate bodies 1, it is fixed through locking piece 3 between two plate bodies 1, locking piece 3 includes brace 31, be fixed in two bolts 32 of brace 31 lateral wall, when fixed to two plate bodies 1, bolt 32 inserts and establishes to in the first jack 4 that corresponds, second jack 5 has all been seted up to one side that two plate bodies 1 kept away from each other.

The two plate bodies 1 can be folded, so that the two plate bodies 1 can be stacked to form two layers, the surface area of the whole drawing plate is reduced, the drawing plate is convenient to carry, and the two plate bodies 1 are fixed by inserting the bolt 32 at one side of the brace 31 into the second jack 5, so that the two plate bodies 1 are kept in two-layer arrangement; when the drawing board is used, the bolts 32 on one side of the brace 31 are moved out from the second jack 5, the two board bodies 1 are unfolded and tiled, the bolts 32 on one side of the brace 31 are inserted into the first jack 4, the two board bodies 1 are fixed, and at the moment, the drawing is tiled on the two board bodies 1 for use.

Specifically, the first jack 4 and the second jack 5 are circular holes, the specifications of the first jack 4 and the second jack 5 are the same, and the plug pin 32 is a cylindrical pin.

In order to fix the drawing used for mapping, a mounting groove 101 is formed in one side, away from each other, of the two plate bodies 1, a pressing strip 6 used for fixing the drawing is arranged in the mounting groove 101, a pull handle 8 is fixedly connected to the top of the pressing strip 6, and two elastic guide pieces 7 used for guiding the pressing strip 6 are fixedly connected to the inner bottom wall of the mounting groove 101.

Specifically, the elastic guide member 7 comprises a guide rod 72 fixed on the inner bottom wall of the mounting groove 101, the guide rod 72 is movably arranged through the pressing strip 6, the pressing strip 6 is guided by the two guide rods 72, the pressing strip 6 can only move in the vertical direction, a spring 71 is fixedly connected between the pressing strip 6 and the mounting groove 101, and the spring 71 is sleeved on the guide rod 72.

Two sides of the drawing are respectively plugged into the lower parts of the corresponding pressing strips 6, then the pull handle 8 is loosened, the spring 71 releases the elastic force, and the pressing strips 6 are pulled to descend, so that the pressing strips 6 are in contact with the drawing, pressing and fixing are realized, and the drawing is kept stable in the drawing process.

Two symmetrically distributed grooves 102 are formed in the bottom of each plate body 1, supporting blocks 9 are arranged on the inner walls of the grooves 102 through rotation of rotating shafts, the supporting blocks 9 are completely screwed out of the grooves 102, at the moment, the supporting blocks 9 are kept in an inclined state, and then the supporting blocks 9 are directly contacted with a tabletop, so that the heights of the two plate bodies 1 are increased, and a user can draw more comfortably.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Folding topography survey and drawing board, its characterized in that: including two plate bodies (1) of being connected through hinge (2) rotation, two plate body (1) are the rectangular plate, two first jack (4) have all been seted up to both sides around plate body (1), two fix through locking piece (3) between plate body (1), locking piece (3) include brace (31), are fixed in two bolt (32) of brace (31) lateral wall, when fixed to two plate bodies (1), bolt (32) are inserted and are established to in corresponding first jack (4).

2. A folding topographic mapping drawing board as set forth in claim 1, wherein: and the two plate bodies (1) are provided with second jacks (5) on one sides far away from each other.

3. A folding topographic mapping drawing board as set forth in claim 2, wherein: the first jack (4) and the second jack (5) are round holes, the specifications of the first jack (4) and the second jack (5) are the same, and the bolt (32) is a cylindrical pin.

4. A folding topographic mapping drawing board as set forth in claim 1, wherein: two mounting grooves (101) are formed in one sides, away from each other, of the plate bodies (1), pressing strips (6) used for fixing drawings are arranged in the mounting grooves (101), pull handles (8) are fixedly connected to the tops of the pressing strips (6), and two elastic guide pieces (7) used for guiding the pressing strips (6) are fixedly connected to the inner bottom wall of the mounting grooves (101).

5. A folding topographic mapping drawing board as set forth in claim 4, wherein: the elastic guide piece (7) comprises a guide rod (72) fixed on the inner bottom wall of the mounting groove (101), the guide rod (72) movably penetrates through the pressing strip (6), a spring (71) is fixedly connected between the pressing strip (6) and the mounting groove (101), and the spring (71) is sleeved on the guide rod (72).

6. A folding topographic mapping drawing board as set forth in claim 1, wherein: two symmetrically distributed grooves (102) are formed in the bottom of each plate body (1), and supporting blocks (9) are arranged on the inner walls of the grooves (102) in a rotating mode through rotating shafts.