CN210416022U

CN210416022U - Civil engineering is with portable drawing device

Info

Publication number: CN210416022U
Application number: CN201921370252.8U
Authority: CN
Inventors: 潘奕帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-28
Anticipated expiration: 2029-08-22

Abstract

The utility model relates to a drawing field, concretely relates to civil engineering uses portable drawing device, including size scale and the angle scale who connects at its left end through first pivot spare, size scale left end is provided with the angle scale mark, size scale right part is provided with the size scale mark, size scale right part has seted up the rectangle sliding opening, rack groove has all been seted up to the lateral wall around the rectangle sliding opening, and has slided the drawing piece in the rectangle sliding opening, the outstanding size scale upper surface in the drawing piece, the through-hole has been seted up in the middle part of the drawing piece, and the drawing piece inner chamber front and back all has the rack fixture block through two sets of spring coupling; the utility model has the advantages of simple structure, small and exquisite, portable through the cooperation of spring, rack fixture block and rack groove, when drawing circularly, directly uses the pencil, can realize drawing block and the fixed connection of size scale to be convenient for draw circularly, and improve the stability of drawing process, the rotatory locking spiral that need not relapse improves the convenience of drawing.

Description

Civil engineering is with portable drawing device

Technical Field

The utility model relates to a drawing field, concretely relates to civil engineering is with portable drawing device.

Background

In civil engineering drawing field, often use the ruler, ruler such as compasses and angle square is drawn, for convenient to carry, the chi that has multiple functions appears, wherein application patent number is "CN201521090519. X", the application patent name is "a novel compasses of drawing that can be used to civil engineering drawing", have the function of drawing sharp and drawing circle, its structure includes size scale and the angle scale who sets up in its one end, size scale opposite side is provided with the slider that can slide on its one side, the slider is fixed the slider on size scale through rotatory locking spiral, thereby around the one end extreme point of size scale, draw circularly.

However, the novel drawing compasses have the following defects and shortcomings in the application process:

the locking screw needs to be rotated every time the sliding block or the fixed sliding block slides, so that a plotter cannot conveniently and quickly draw in the drawing process, and certain inconvenience is brought to the plotter.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a civil engineering is with portable drawing device can solve prior art's slip at every turn or fixed slider all need rotatory locking spiral effectively to at the drawing in-process, the person of being not convenient for draws fast, and then brings certain inconvenient problem for the person of drawing.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a civil engineering is with portable drawing device, includes the size scale and connects the angle scale at its left end through first pivot spare, and size scale left end is provided with the angle scale mark, and size scale right part is provided with the size scale mark, the rectangle sliding opening has been seted up to size scale right part, and the rack groove has all been seted up to the lateral wall around the rectangle sliding opening, and slides in the rectangle sliding opening and have the drawing piece, the outstanding size scale upper surface in drawing piece, and the through-hole has been seted up at drawing piece middle part, and drawing piece inner chamber front and back portion all has the rack fixture block through two sets of spring coupling, and the rack fixture block outside all can mesh with the rack groove, and the arc has all been seted up to rack fixture block inboard, first pivot spare axle center is rotated and is connected with second pivot spare, and the outstanding first pivot spare upper surface of second pivot spare upside, and the locating hole has.

Further, the size scale left end is provided with semicircle portion, and the angle scale mark evenly sets up at semicircle portion upside, the size scale mark is provided with two sets ofly to set up upside around the size scale right part respectively, through setting up two sets of scales around, thereby the person of being convenient for to draw does not divide size scale direction and draws the straight line.

Furthermore, the middle axis of the angle scale is provided with a scribing opening, the positioning hole is positioned to the required line segment fixed point, the angle scale is rotated, the scribing opening is enabled to correspond to the angle scale line of the required angle, and therefore a plotter can draw the angle line from the scribing opening through a pencil.

Furthermore, the sliding grooves are formed in the upper inner side wall and the lower inner side wall of the rack groove, the front side wall and the rear side wall of the drawing block are provided with slide blocks which are bilaterally symmetrical and matched with the sliding grooves, and the drawing block slides in the rectangular sliding grooves.

Furthermore, the left side and the right side of the rack clamping block are both provided with a connecting block, pointers are arranged on the front side and the rear side of the upper portion of the rack clamping block, and the springs are respectively connected between the connecting block and the side wall of the inner cavity of the drawing block and are used for setting the pointers, so that a person who draws can conveniently adjust the size of the required drawing circular radius.

Furthermore, the outer ends of the connecting blocks are vertically provided with inserting blocks, and the inner cavities of the drawing blocks are respectively provided with inserting grooves matched with the inserting blocks, so that the stability of the rack clamping blocks in the inner cavities of the drawing blocks in translation is improved.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model has the advantages of simple structure, small and exquisite, portable through the cooperation of spring, rack fixture block and rack groove, when drawing circularly, directly uses the pencil, can realize drawing block and the fixed connection of size scale to be convenient for draw circularly, and improve the stability of drawing process, the rotatory locking spiral that need not relapse improves the convenience of drawing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of the overall depression structure of the present invention;

fig. 2 is a schematic view of the overall bottom view structure of the present invention;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of the structure at a of the present invention;

fig. 5 is a schematic structural view of the size scale of the present invention;

fig. 6 is a schematic structural view of the angle scale of the present invention;

fig. 7 is a schematic structural view of a second rotating shaft member of the present invention;

FIG. 8 is a schematic diagram of the drawing block structure of the present invention;

the reference numerals in the drawings denote: 1-size scale; 2-a first rotating shaft member; 3-an angle scale; 4-a rectangular sliding port; 5-rack slot; 6-drawing block; 7-a through hole; 8-a spring; 9-a rack fixture block; 10-an arc-shaped portion; 11-a second shaft member; 12-positioning holes; 13-scribing a line port; 14-a slide block; 15-a pointer; 16-a plug-in block; 17-inserting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

A portable drawing device for civil engineering of the present embodiment, with reference to fig. 1 to 8: comprises a dimension dividing ruler 1 and an angle dividing ruler 3 connected to the left end of the dimension dividing ruler by a first rotating shaft part 2, wherein the left end of the dimension dividing ruler 1 is provided with angle dividing lines, the right part of the dimension dividing ruler 1 is provided with dimension dividing lines, the right part of the dimension dividing ruler 1 is provided with a rectangular sliding opening 4, the front side wall and the rear side wall of the rectangular sliding opening 4 are both provided with rack grooves 5, a drawing block 6 is arranged in the rectangular sliding opening 4 in a sliding way, the upper side of the drawing block 6 protrudes out of the upper surface of the size graduated scale 1, a through hole 7 is arranged in the middle of the drawing block 6, the front part and the rear part of the inner cavity of the drawing block 6 are connected with rack clamping blocks 9 through two groups of springs 8, the outer sides of the rack clamping blocks 9 can be meshed with the rack grooves 5, and the inner sides of the rack clamping blocks 9 are all provided with arc-shaped parts 10, the axle center of the first rotating shaft part 2 is rotationally connected with a second rotating shaft part 11, the upper side of the second rotating shaft 11 protrudes out of the upper surface of the first rotating shaft 2, and the axis of the second rotating shaft 11 is provided with a positioning hole 12.

Wherein, the left end of the size graduated scale 1 is provided with a semicircular part, the angle graduated lines are uniformly arranged on the upper side of the semicircular part, and two groups of size graduated lines are arranged and are respectively arranged on the front upper side and the rear upper side of the right part of the size graduated scale 1; the central axis of the angle dividing ruler 3 is provided with a scribing port 13; sliding grooves are formed in the upper inner side wall and the lower inner side wall of the rack groove 5, and sliding blocks 14 which are symmetrical left and right and matched with the sliding grooves are arranged on the front side wall and the rear side wall of the drawing block 6; connecting blocks are arranged on the left side and the right side of the rack clamping block 9, pointers 15 are arranged on the front side and the rear side of the upper portion of the rack clamping block 9, and springs are connected between the connecting blocks and the side wall of the inner cavity of the drawing block 6 respectively; the outer ends of the connecting blocks are vertically provided with inserting blocks 16, and the inner cavity of the drawing block 6 is respectively provided with inserting grooves 17 matched with the inserting blocks 16.

When drawing an angle, fixing the positioning hole 12 to the end point of the required drawing angle, pressing the size graduated scale 1, adjusting the angle graduated scale 3 to the required angle, and drawing an angle line by using a pencil;

when drawing a circle, sliding the drawing block 6 to enable the central axis of the drawing block 6 to be located at the radius of the circle to be drawn, turning over the whole device, fixing the positioning hole 12 to the circle center of the circle to be drawn, pressing the second shaft rod piece 11, supporting the part of the second shaft rod piece 11 protruding out of the upper surface of the first rotating shaft piece 2 on drawing paper, inserting a pencil into the drawing block 6 from the through hole 7, when the conical end of the pencil is inserted into the through hole 7, extruding the arc parts 10 of the front and rear rack clamping blocks 9 by the conical end of the pencil, compressing the spring 8, enabling the two rack clamping blocks 9 to respectively move towards the direction close to the rack grooves 5 and respectively clamped and meshed with the rack grooves 5, so that the drawing block 6 is clamped and fixed on the rectangular sliding opening 4, thereby driving the size scale 1 to rotate around the axis of the second shaft rod piece 11 through the pencil to draw a circle, and taking out the pencil, the two groups of rack fixture blocks 9 return to the original positions, at this time, the drawing block 6 can slide in the rectangular sliding port 4, the radius of the next group of circles is adjusted, and therefore the next group of circles is drawn;

the device simple structure, small and exquisite, portable through the cooperation of spring 8, rack fixture block 9 and rack groove 5, when drawing circularly, directly uses the pencil, can realize drawing block 6 and size scale 1's fixed connection to be convenient for draw circularly, and improve the stability of drawing the process, the rotatory locking spiral that need not relapse improves the convenience degree of drawing.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a civil engineering is with portable drawing device, includes size scale (1) and connects angle scale (3) at its left end through first pivot spare (2), and size scale (1) left end is provided with angle scale mark, and size scale (1) right part is provided with size scale mark, its characterized in that: rectangle spout (4) have been seted up to size scale (1) right part, rack groove (5) have all been seted up to the lateral wall around rectangle spout (4), and slide in rectangle spout (4) and have drawing piece (6), drawing piece (6) upside salient size scale (1) upper surface, through-hole (7) have been seted up at drawing piece (6) middle part, and drawing piece (6) inner chamber front and back portion all is connected with rack fixture block (9) through two sets of springs (8), rack fixture block (9) outside all can mesh with rack groove (5), and arc portion (10) have all been seted up to rack fixture block (9) inboard, first pivot spare (2) axle center rotates and is connected with second pivot spare (11), and the salient first pivot spare (2) upper surface of second pivot spare (11) upside, locating hole (12) have been seted up to second pivot spare (11) axis.

2. The portable drawing device for civil engineering according to claim 1, wherein the size scale (1) is provided at the left end with a semicircular part, the angle scale lines are evenly provided at the upper side of the semicircular part, and the size scale lines are provided in two sets and are respectively provided at the front, rear and upper sides of the right part of the size scale (1).

3. The portable drawing device for civil engineering according to claim 1, characterized in that the angle scale (3) has a scribing mouth (13) in the central axis.

4. The portable drawing device for civil engineering according to claim 1, wherein the upper and lower inner side walls of the rack groove (5) are provided with sliding grooves, and the front and rear side walls of the drawing block (6) are provided with sliding blocks (14) which are bilaterally symmetrical and are matched with the sliding grooves.

5. The portable drawing device for civil engineering according to claim 1, wherein the rack fixture block (9) is provided with connecting blocks on both left and right sides, and pointers (15) are provided on both front and rear sides of the upper portion of the rack fixture block (9), and the springs are respectively connected between the connecting blocks and the side wall of the inner cavity of the drawing block (6).

6. The portable drawing device for civil engineering according to claim 5, wherein the outer ends of the connecting blocks are vertically provided with insertion blocks (16), and the inner cavities of the drawing blocks (6) are respectively provided with insertion grooves (17) matched with the insertion blocks (16).