CN213138334U

CN213138334U - A instrument of drawing for land planning

Info

Publication number: CN213138334U
Application number: CN202021238466.2U
Authority: CN
Inventors: 李玲玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-05-07
Anticipated expiration: 2030-06-29

Abstract

The utility model belongs to the field of drawing tools, in particular to a drawing tool for land planning, aiming at the problem that the prior angle gauge is adopted to position angles, so that the operation is relatively troublesome, the utility model provides a proposal which comprises a fixed seat, a fixed ruler is fixedly arranged at the top of the fixed seat, one side of the fixed ruler is rotationally connected with a rotating ruler, one side of the rotating ruler is fixedly provided with an angle ruler, one side of the fixed seat is fixedly provided with a limit seat, a connecting hole is arranged on the limit seat, the bottom end of the angle ruler runs through the connecting hole and is in sliding connection with the inner wall of one side of the connecting hole, the utility model can conveniently draw a broken line by rotationally connecting the rotating ruler and the fixed ruler, and can conveniently and accurately control the angle of the broken line, so the drawing tool has good accuracy when in use, and the technical proposal has simpler operation, therefore, the utility model has good practicability and convenience.

Description

A instrument of drawing for land planning

Technical Field

The utility model relates to a drawing instrument technical field especially relates to a drawing instrument for land planning.

Background

China is undergoing a social-economic transformation development stage, along with the acceleration of urbanization, industrialization and modernization construction steps, extensive land utilization modes excessively pursue economic benefits, neglect social and ecological benefits, make land utilization structure unreasonable, not only cause a great deal of waste of land resources, but also cause a plurality of social and environmental problems such as city overexpansion, agricultural land loss, ecological environment deterioration and the like, and become the most serious bottleneck for restricting sustainable development;

at present, drawing operation is often needed during land planning, at present, a broken angle line segment often exists during scribing and drawing, and a protractor is used for positioning an angle in a conventional way, so that the operation is relatively troublesome, and a drawing tool for land planning is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art has the defects that the angle is positioned by adopting the protractor and the operation is relatively troublesome, and providing a drawing tool for land planning.

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

the utility model provides a drawing instrument for land planning, includes the fixing base, the top fixed mounting of fixing base has the fixed ruler, and one side of fixed ruler rotates and is connected with the rotating ruler, and one side fixed mounting of rotating ruler has the bevel protractor, and one side fixed mounting of fixing base has spacing seat, has seted up the connecting hole on the spacing seat, the bottom of bevel protractor run through the connecting hole and with one side inner wall sliding connection of connecting hole, sliding connection has the slide on the inner wall of connecting hole, and one side fixed mounting of slide has the gear, one side fixed mounting of bevel protractor has the camber rack, gear and camber rack swing joint, threaded connection has the screw rod on the spacing seat, and the one end of screw rod extends to in the connecting hole and is connected with the slide transmission.

Preferably, rotate on the one side bottom inner wall of connecting hole and be connected with the dwang, and the opposite side sliding connection of slide has the connecting plate, and the one end and the connecting plate of dwang rotate to be connected, and the one end and the dwang transmission of screw rod are connected, can drive the slide and remove when the dwang rotates.

Preferably, the other side fixed mounting of slide has the gag lever post, and the gag lever post runs through the connecting plate and with connecting plate sliding connection, can realize sliding spacing to the connecting plate.

Preferably, the cover is equipped with reset spring on the gag lever post, and reset spring's top and bottom respectively with the top of gag lever post and the top fixed connection of connecting plate, can conveniently stimulate the connecting plate and upwards remove when relieving spacing to the bevel protractor.

Preferably, the one end of screw rod is rotated and is connected with the sliding sleeve, and sliding connection has the transfer line in the sliding sleeve, has seted up the transmission hole on the dwang, and the one end of transfer line extend to in the transmission hole and with transmission hole swing joint, can drive the dwang and rotate when the screw rod moves.

Preferably, the non-slip mat is fixedly mounted on one side of the fixing seat, one side of the fixing ruler and one side of the rotating ruler, and the device can be stably placed on a drawing.

The utility model discloses in, a drawing instrument for land planning:

when the technical scheme is used, the fixed ruler and the rotating ruler are in a horizontal state, so that the auxiliary device can be used for assisting in drawing a straight line, the straight line can be prevented from being deviated, when a line segment with a certain break angle needs to be drawn, the rotating ruler can be rotated at the moment, a certain included angle is formed between the rotating ruler and the fixed ruler, the angle ruler can perform arc-shaped motion along with the rotating ruler, and the rotating ruler can be used for accurately controlling the rotating angle;

after the angle of the rotating ruler is determined, the screw rod can be rotated to drive the transmission rod to move to one side of the angle ruler, and the rotating rod can be driven to rotate downwards under the pushing of the transmission rod, so that the sliding plate can be pushed to move, the gear can be meshed with the arc-shaped rack, the angle ruler can be positioned, the rotating ruler can be further positioned, and at the moment, a folding line can be drawn according to requirements;

the utility model discloses a rotating ruler and fixed ruler rotate to be connected to this can conveniently draw the broken line to can conveniently be to the angle accurate control of broken line, so when using, have good accuracy, and this technical scheme operation is comparatively simple, so have good practicality and convenience.

Drawings

Fig. 1 is a front view of a drawing tool for land planning according to the present invention;

fig. 2 is a top view of a fixed ruler and a rotary connection structure of a drawing tool for land planning according to the present invention;

fig. 3 is a front view of the internal structure of the limiting seat of the drawing tool for land planning according to the present invention.

In the figure: the device comprises a fixed seat 1, a fixed ruler 2, a rotating ruler 3, an angle ruler 4, a limiting seat 5, an arc-shaped rack 6, a connecting hole 7, a sliding plate 8, a gear 9, a limiting rod 10, a connecting plate 11, a rotating rod 12, a screw rod 13, a sliding sleeve 14, a transmission rod 15, a return spring 16 and a non-slip mat 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a drawing instrument for land planning, including fixing base 1, the top fixed mounting of fixing base 1 has fixed chi 2, and one side of fixed chi 2 is rotated and is connected with rotating ruler 3, one side fixed mounting of rotating ruler 3 has bevel protractor 4, and one side fixed mounting of fixing base 1 has spacing seat 5, connecting hole 7 has been seted up on spacing seat 5, bevel protractor 4's bottom run through connecting hole 7 and with one side inner wall sliding connection of connecting hole 7, sliding connection has slide 8 on the inner wall of connecting hole 7, and one side fixed mounting of slide 8 has gear 9, one side fixed mounting of bevel protractor 4 has arc rack 6, gear 9 and arc rack 6 swing joint, threaded connection has screw rod 13 on spacing seat 5, and the one end of screw rod 13 extends to in connecting hole 7 and is connected with slide 8 transmission.

Wherein, when the technical scheme is used, the fixed ruler 2 and the rotary ruler 3 are in a horizontal state, which can be used for assisting when drawing a straight line, and can prevent the straight line from deviating, when a line segment with a certain break angle needs to be drawn, the rotary ruler 3 can be rotated at the moment, so that a certain included angle exists between the rotary ruler 3 and the fixed ruler 2, the rotary ruler 4 can move in an arc shape along with the rotary ruler 3, namely, the rotary ruler 3 can be accurately controlled by the rotary ruler 4, after the angle of the rotary ruler 3 is determined, the rotary screw 13 can drive the transmission rod 15 to move to one side of the rotary ruler 4, and the rotary rod 12 can be driven to rotate downwards under the push of the transmission rod 15, so that the sliding plate 8 can be pushed to move, namely, the gear 9 can be meshed with the arc-shaped rack 6, the positioning of the rotary ruler 4 can be realized, and the positioning of the rotary ruler 3 can be further realized, can draw the broken line according to the requirement this moment, the utility model discloses a rotating ruler 3 rotates with fixed ruler 2 and connects to this can conveniently draw the broken line, and can conveniently be to the angle accurate control of broken line, so when using, have good accuracy, and this technical scheme operation is comparatively simple, so have good practicality and convenience.

The utility model discloses in, rotate on one side bottom inner wall of connecting hole 7 and be connected with dwang 12, and slide 8's opposite side sliding connection has connecting plate 11, and the one end and the connecting plate 11 of dwang 12 rotate to be connected, and the one end and the dwang 12 transmission of screw rod 13 are connected, can drive slide 8 and remove when dwang 12 rotates.

The utility model discloses in, slide 8's opposite side fixed mounting has gag lever post 10, and gag lever post 10 run through connecting plate 11 and with connecting plate 11 sliding connection, can realize sliding spacingly to connecting plate 11.

The utility model discloses in, the cover is equipped with reset spring 16 on the gag lever post 10, and reset spring 16's top and bottom respectively with the top of gag lever post 10 and the top fixed connection of connecting plate 11, can conveniently stimulate connecting plate 11 and upwards remove when removing spacing to bevel protractor 4.

The utility model discloses in, the one end of screw rod 13 is rotated and is connected with sliding sleeve 14, and sliding connection has transfer line 15 in sliding sleeve 14, has seted up the transmission hole on dwang 12, and the one end of transfer line 15 extend to the transmission downthehole and with transmission hole swing joint, can drive dwang 12 and rotate when screw rod 13 moves.

The utility model discloses in, the equal fixed mounting in one side of fixing base 1, one side of fixed ruler 2 and one side of rolling ruler 3 has slipmat 17, can be with stable the placing on the drawing of this device.

In the utility model, when the technical scheme is used, the fixed ruler 2 and the rotary ruler 3 are in a horizontal state, which can be used for assisting when drawing a straight line, and can prevent the straight line from deviating, when a line segment with a certain break angle needs to be drawn, the rotary ruler 3 can be rotated at the moment, so that the rotary ruler 3 and the fixed ruler 2 have a certain included angle, and the angle ruler 4 can do arc motion along with the rotary ruler 3, so that the angle ruler 4 can be used for accurately controlling the rotation angle of the rotary ruler 3, after the angle of the rotary ruler 3 is determined, the rotatable screw 13 can drive the transmission rod 15 to move to one side of the angle ruler 4, and under the push of the transmission rod 15, the rotating rod 12 can be driven to rotate downwards, so that the connecting ring 13 can be driven to do arc motion downwards, the motion trend of the connecting plate 13 can be decomposed into transverse motion and longitudinal motion, the longitudinal motion can enable the connecting plate 13 to slide on the limiting rod 10, in transverse movement, can promote slide 8 and remove, can make gear 9 be close to arc type rack 6, until utilizing gear 9 and arc type rack 6 to mesh mutually, can realize fixing a position angle chi 4, further can realize fixing a position rotating ruler 3, can draw the broken line as required this moment, and can conveniently be to the angle accurate control of broken line, so when using, have good accuracy, and this technical scheme operation is comparatively simple, so have good practicality and convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The drawing tool for land planning comprises a fixing seat (1) and is characterized in that a fixed ruler (2) is fixedly mounted at the top of the fixing seat (1), a rotating ruler (3) is rotatably connected to one side of the fixed ruler (2), an angle ruler (4) is fixedly mounted on one side of the rotating ruler (3), a limiting seat (5) is fixedly mounted on one side of the fixing seat (1), a connecting hole (7) is formed in the limiting seat (5), the bottom end of the angle ruler (4) penetrates through the connecting hole (7) and is in sliding connection with the inner wall of one side of the connecting hole (7), a sliding plate (8) is connected to the inner wall of the connecting hole (7) in a sliding mode, a gear (9) is fixedly mounted on one side of the sliding plate (8), an arc-shaped rack (6) is fixedly mounted on one side of the angle ruler (4), the gear (9) is movably meshed with the arc-shaped rack (6), a screw rod (, and one end of the screw rod (13) extends into the connecting hole (7) and is in transmission connection with the sliding plate (8).

2. A drawing tool for land planning according to claim 1, characterized in that the inner wall of the bottom of one side of the connecting hole (7) is rotatably connected with a rotating rod (12), and the other side of the sliding plate (8) is slidably connected with a connecting plate (11), one end of the rotating rod (12) is rotatably connected with the connecting plate (11), and one end of the screw rod (13) is in transmission connection with the rotating rod (12).

3. A drafting tool for land planning as claimed in claim 1, characterized in that a limiting rod (10) is fixedly mounted on the other side of the slide plate (8), and the limiting rod (10) penetrates the connecting plate (11) and is slidably connected with the connecting plate (11).

4. A drafting tool for land planning as claimed in claim 3, characterized in that the stop lever (10) is sleeved with a return spring (16), and the top end and the bottom end of the return spring (16) are fixedly connected with the top end of the stop lever (10) and the top of the connecting plate (11), respectively.

5. A drafting tool for land planning as claimed in claim 1, characterized in that one end of the screw (13) is rotatably connected with a sliding sleeve (14), a transmission rod (15) is slidably connected with the sliding sleeve (14), a transmission hole is formed on the rotation rod (12), and one end of the transmission rod (15) extends into and is movably connected with the transmission hole.

6. A drafting tool for ground planning as claimed in claim 1, characterized in that a non-slip mat (17) is fixedly mounted on one side of the fixed base (1), one side of the fixed scale (2) and one side of the rotating scale (3).