Drawing device for urban planning

By introducing adjustment and positioning mechanisms into the drawing device, the problem of the drawing device's inability to adjust the angle is solved, enabling flexible adjustment and stability of the platform angle, and improving the applicability and ease of operation of the drawing device.

CN224155305UActive Publication Date: 2026-04-24INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
Filing Date
2025-05-20
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing drafting devices used for urban planning cannot be adjusted to accommodate different drawing lengths, nor can their tilt angle be adjusted to suit the needs of drafters, resulting in low applicability.

Method used

A drawing device including an adjustment mechanism and a positioning mechanism was designed. The drawing platform is rotated by shaking a rocker arm and driving gear. Combined with the locking and unlocking mechanism of the positioning mechanism, the angle of the platform can be adjusted and stabilized.

Benefits of technology

The angle of the drawing platform can be flexibly adjusted, which improves the adaptability and ease of use of the device and ensures the stability and structural strength of the platform after adjustment.

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Abstract

The utility model relates to the technical field of drawing devices, and discloses a drawing device for urban planning, which comprises a drawing bedplate, an adjusting mechanism is arranged below the drawing bedplate, a positioning mechanism is arranged in the adjusting mechanism, and the adjusting mechanism comprises a supporting assembly, a shaking assembly, a stabilizing assembly and an adjusting assembly. The supporting assemblies are arranged on the left side and the right side of the drawing table plate, the shaking assembly is arranged in the left sides of the supporting assemblies, the stabilizing assembly is arranged on the outer ring of the shaking assembly, and the adjusting assembly is arranged on the inner sides of the supporting assemblies. According to the drawing device for urban planning, through the arranged adjusting mechanism, the drawing table plate can be driven to rotate through a driving gear and a semi-gear ring only by shaking a rocker, so that when drawing personnel draw urban construction drawings, the angle of the drawing table plate can be adjusted according to the use requirements of the drawing personnel; and the adaptability between the drawing device and different persons during use is improved.
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Description

Technical Field

[0001] This utility model relates to the field of drawing device technology, specifically a drawing device for urban planning. Background Technology

[0002] Urban planning is a discipline that deals with the engineering construction, economic, social, and land use layout of cities and their surrounding areas, as well as the prediction of future development. It focuses on the physical form of cities, involving the regional layout of industries, buildings, roads and transportation facilities, and urban engineering projects. The initial drawing of urban plans is particularly important.

[0003] According to the patent application published on the patent website, "A drawing device for urban planning (Publication No.: CN 220832296U; Application No.: 202322075464.6)," the above application has optimized the problem of "the inability to adjust the two sides of the drawing board according to the length of drawings of different sizes." However, when using the drawing device in the above application, the drafter cannot adjust the tilt angle of the device according to his / her own needs, which has low applicability and is not convenient for drafters to draw urban construction drawings. Utility Model Content

[0004] The purpose of this invention is to provide a drawing device for urban planning, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a drawing device for urban planning, comprising a drawing platform, an adjustment mechanism disposed below the drawing platform, and a positioning mechanism disposed within the adjustment mechanism.

[0006] The adjustment mechanism includes a support component, a rocking component, a stabilizing component, and an adjustment component. The support component is disposed on the left and right sides of the drawing platform, the rocking component is disposed on the inner left side of the support component, the stabilizing component is disposed on the outer ring of the rocking component, and the adjustment component is disposed on the inner side of the support component.

[0007] The positioning mechanism includes a locking component and an outer pull component. The locking component is located on the right side of the adjusting component, and the outer pull component is located inside the right side of the locking component.

[0008] Preferably, the support assembly includes a protruding rod, which is fixedly connected to the left and right sides of the drawing table. A support cylinder is rotatably connected to the outer ring of the protruding rod. A support plate is fixedly connected to the outer ring of the support cylinder. A base is fixedly connected to the bottom of the support plate. Reinforcing fins are fixedly connected to the left and right sides of the support plate. The reinforcing fins are fixedly connected to the top of the base.

[0009] Preferably, the rocking assembly includes a rotating shaft, which is rotatably connected to the left side support plate. A turntable is fixedly connected to the left side of the rotating shaft, and a rocker arm is fixedly connected to the left side of the turntable. A support sleeve is rotatably connected to the right end of the rotating shaft, and a frame plate is fixedly connected to the outer ring of the support sleeve. The frame plate is fixedly connected to the inner side of the left side support plate.

[0010] Preferably, the stabilizing component includes a convex ring, which is fixedly connected to the outer ring of the turntable. The outer ring of the convex ring is rotatably connected to a rotating frame. A fixing plate is fixedly connected to the right side of the rotating frame, and the fixing plate is fixedly connected to the outside of the left convex rod.

[0011] Preferably, the adjustment component includes a drive gear, which is fixedly connected to the outer ring of the rotating shaft. The drive gear is disposed inside the convex rod. A half-tooth ring meshes with the bottom of the outer ring of the drive gear. The half-tooth ring is fixedly connected to the bottom left side of the drawing table. A sleeve is rotatably connected to the bottom outer side of the half-tooth ring. A fixing rod is fixedly connected to the left side of the sleeve. The fixing rod is fixedly connected to the inside of the convex rod.

[0012] Preferably, the locking assembly includes a fixed box, which is fixedly connected to the right side of the sleeve frame. A slide cylinder is slidably connected inside the fixed box. A compression spring is fixedly connected inside the right side of the slide cylinder. The compression spring is fixedly connected to the right side of the fixed box. A locking rod is fixedly connected to the left side of the slide cylinder. The locking rod passes through the sleeve frame to the left and engages with the right side of the half-tooth ring.

[0013] Preferably, the external pull assembly includes a telescopic slide rod, which is fixedly connected to the inside of the right side of the slide cylinder and slidably connected to the inside of the right side of the fixed box. A pull rod is fixedly connected to the right side of the telescopic slide rod.

[0014] Compared with the prior art, the present invention provides a drawing device for urban planning, which has the following beneficial effects:

[0015] 1. This drafting device for urban planning, through its adjustable mechanism, allows the drafting platform to rotate via a drive gear and a semi-gear ring simply by shaking a rocker arm. This enables drafters to adjust the angle of the drafting platform according to their own needs when drawing urban construction drawings, increasing the adaptability of the drafting device to different users.

[0016] 2. This drawing device for urban planning, through a positioning mechanism, allows the sliding cylinder to move to the left under the action of a compression spring, engaging with the right side of the semi-toothed ring. The semi-toothed ring locks the drawing platform, ensuring stability and structural strength after the platform angle is adjusted. Users only need to pull the lever inward to release the locking of the semi-toothed ring without affecting the rotation of the drawing platform. It is simple and easy to use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a front view of the present utility model;

[0019] Figure 2 This is a partial structural separation diagram of the present invention;

[0020] Figure 3 This is a partial structural cross-sectional view of the present invention;

[0021] Figure 4 A schematic diagram showing the interaction between the rocking component and the stabilizing component;

[0022] Figure 5 This is a cross-sectional view of the rocking component.

[0023] Figure 6 To adjust the structural separation diagram of the component parts;

[0024] Figure 7 This is a partial structural cross-sectional view of the positioning mechanism.

[0025] In the diagram: 1. Adjustment mechanism; 11. Support assembly; 1101. Protruding rod; 1102. Supporting rotating cylinder; 1103. Support plate; 1104. Base; 1105. Reinforcing fin; 12. Rocking assembly; 1201. Rotating shaft; 1202. Turntable; 1203. Rocker arm; 1204. Support sleeve; 1205. Frame plate; 13. Stabilizing assembly; 1301. Protruding ring; 1302. Rotating frame; 1303. Fixing plate; 14. Adjustment assembly; 1401. Drive gear; 1402. Half-tooth ring; 1403. Sleeve frame; 1404. Fixing rod; 2. Positioning mechanism; 21. Locking assembly; 2101. Fixing box; 2102. Slide cylinder; 2103. Compression spring; 2104. Locking rod; 22. External pull assembly; 2201. Telescopic slide rod; 2202. Pull rod; 3. Drawing table. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] This utility model provides a technical solution:

[0029] Example 1

[0030] Combination Figures 1 to 7 A drawing device for urban planning includes a drawing platform 3, an adjustment mechanism 1 below the drawing platform 3, and a positioning mechanism 2 inside the adjustment mechanism 1.

[0031] The adjustment mechanism 1 includes a support component 11, a rocking component 12, a stabilizing component 13, and an adjustment component 14. The support component 11 is located on the left and right sides of the drawing platform 3, the rocking component 12 is located on the inner left side of the support component 11, the stabilizing component 13 is located on the outer ring of the rocking component 12, and the adjustment component 14 is located on the inner side of the support component 11.

[0032] Support assembly 11 includes a protruding rod 1101, which is fixedly connected to the left and right sides of the drawing table 3. A support cylinder 1102 is rotatably connected to the outer ring of the protruding rod 1101. A support plate 1103 is fixedly connected to the outer ring of the support cylinder 1102. A base 1104 is fixedly connected to the bottom of the support plate 1103. Reinforcing fins 1105 are fixedly connected to the left and right sides of the support plate 1103 and are fixedly connected to the top of the base 1104. The rocking assembly 12 includes a rotating shaft 1201, which is rotatably connected to the left side of the support plate 1103. A turntable 1202 is fixedly connected to the left side of the rotating shaft 1201. A rocker arm 1203 is fixedly connected to the left side of the turntable 1202. A support sleeve 1204 is rotatably connected to the right end of the rotating shaft 1201. A frame plate 1205 is fixedly connected to the outer ring of the support sleeve 1204. Inside the left support plate 1103, the stabilizing component 13 includes a convex ring 1301, which is fixedly connected to the outer ring of the turntable 1202. The outer ring of the convex ring 1301 is rotatably connected to a rotating frame 1302. A fixing plate 1303 is fixedly connected to the right side of the rotating frame 1302. The fixing plate 1303 is fixedly connected to the outer side of the left convex rod 1101. The adjusting component 14 includes a drive gear 1401, which is fixedly connected to the outer ring of the rotating shaft 1201. The drive gear 1401 is located inside the convex rod 1101. A half-tooth ring 1402 meshes with the bottom of the outer ring of the drive gear 1401. The half-tooth ring 1402 is fixedly connected to the bottom left side of the drawing table 3. A sleeve 1403 is rotatably connected to the bottom of the outer side of the half-tooth ring 1402. A fixing rod 1404 is fixedly connected to the left side of the sleeve 1403. The fixing rod 1404 is fixedly connected to the inner side of the convex rod 1101.

[0033] Furthermore, simply shaking the rocker arm 1203 will drive the drawing platform 3 to rotate via the drive gear 1401 and the half-tooth ring 1402, allowing the drafter to adjust the angle of the drawing platform 3 according to their own needs when drawing urban construction drawings, thus increasing the adaptability of the drawing device to different users.

[0034] Example 2

[0035] See Figure 1 , Figure 3 , Figure 6 and Figure 7 Furthermore, based on Embodiment 1, the positioning mechanism 2 includes a locking component 21 and an outer pull component 22. The locking component 21 is located on the right side of the adjusting component 14, and the outer pull component 22 is located inside the right side of the locking component 21.

[0036] The locking assembly 21 includes a fixed box 2101, which is fixedly connected to the right side of the sleeve 1403. A slide cylinder 2102 is slidably connected inside the fixed box 2101. A compression spring 2103 is fixedly connected inside the right side of the slide cylinder 2102. The compression spring 2103 is fixedly connected inside the right side of the fixed box 2101. A locking rod 2104 is fixedly connected to the left side of the slide cylinder 2102. The locking rod 2104 passes through the sleeve 1403 to the left and engages with the right side of the half-tooth ring 1402. The external pull assembly 22 includes a telescopic slide rod 2201, which is fixedly connected to the right side of the slide cylinder 2102. The telescopic slide rod 2201 is slidably connected to the right side of the fixed box 2101. A pull rod 2202 is fixedly connected to the right side of the telescopic slide rod 2201.

[0037] Furthermore, under the action of the compression spring 2103, the slide cylinder 2102 drives the locking rod 2104 to move to the left and engage with the right side of the half-tooth ring 1402. The half-tooth ring 1402 completes the locking process of the drawing table 3, ensuring the stability and structural strength of the drawing table 3 after the angle is adjusted. At the same time, the user only needs to pull the pull rod 2202 inward to drive the locking rod 2104 inward to release the locking of the half-tooth ring 1402, which will not affect the rotation of the drawing table 3. The operation is simple and easy to use.

[0038] In actual operation, when this device is used and the angle of the drawing platform 3 needs to be adjusted, the operator first pulls the lever 2202 to the right. The movement of the lever 2202 to the right drives the slide cylinder 2102 to the right via the telescopic slide rod 2201. The movement of the slide cylinder 2102 to the right drives the locking rod 2104 to the right. The locking rod 2104 moves to the right and retracts into the fixed box 2101, disengaging from the semi-tooth ring 1402. Then, the operator shakes the rocker arm 1203. The shaking of the rocker arm 1203 drives the rotating shaft 1201 to rotate via the turntable 1202. 01 Rotation drives the drive gear 1401 to rotate. The rotation of the drive gear 1401 drives the drawing table 3 to rotate around the convex rod 1101 as the axis through the half-tooth ring 1402. After the drawing table 3 rotates to the appropriate angle, the pull rod 2202 is released. At this time, the slide cylinder 2102 can drive the locking rod 2104 to move to the left under the action of the compression spring 2103. The locking rod 2104 moves to the left, passes through the sleeve 1403, and locks into the right side of the half-tooth ring 1402. At this time, the locking of the half-tooth ring 1402 is completed, and the angle adjustment of the drawing table 3 is completed.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A drawing device for urban planning, comprising a drawing platform (3), characterized in that: An adjustment mechanism (1) is provided below the drawing platform (3), and a positioning mechanism (2) is provided inside the adjustment mechanism (1); The adjustment mechanism (1) includes a support component (11), a rocking component (12), a stabilizing component (13), and an adjustment component (14). The support component (11) is disposed on the left and right sides of the drawing platform (3). The rocking component (12) is disposed on the left side of the support component (11). The stabilizing component (13) is disposed on the outer ring of the rocking component (12). The adjustment component (14) is disposed on the inner side of the support component (11). The positioning mechanism (2) includes a locking component (21) and an outer pull component (22). The locking component (21) is located on the right side of the adjusting component (14), and the outer pull component (22) is located inside the right side of the locking component (21).

2. The drawing device for urban planning according to claim 1, characterized in that: The support assembly (11) includes a protruding rod (1101), which is fixedly connected to the left and right sides of the drawing table (3). The outer ring of the protruding rod (1101) is rotatably connected to a support cylinder (1102), and the outer ring of the support cylinder (1102) is fixedly connected to a support plate (1103).

3. A drawing device for urban planning according to claim 2, characterized in that: The support plate (1103) is fixedly connected to the bottom of the base (1104), and the support plate (1103) is fixedly connected to the left and right sides of the base (1105). The reinforcing fins (1105) are fixedly connected to the top of the base (1104).

4. A drawing device for urban planning according to claim 1, characterized in that: The rocking assembly (12) includes a rotating shaft (1201), which is rotatably connected to the left support plate (1103). A turntable (1202) is fixedly connected to the left side of the rotating shaft (1201), and a rocker arm (1203) is fixedly connected to the left side of the turntable (1202).

5. A drawing device for urban planning according to claim 4, characterized in that: The right end of the rotating shaft (1201) is rotatably connected to a support sleeve (1204), and a frame plate (1205) is fixedly connected to the outer ring of the support sleeve (1204). The frame plate (1205) is fixedly connected to the inner side of the left support plate (1103).

6. A drawing device for urban planning according to claim 1, characterized in that: The stabilizing component (13) includes a convex ring (1301), which is fixedly connected to the outer ring of the turntable (1202). The outer ring of the convex ring (1301) is rotatably connected to a rotating frame (1302). A fixing plate (1303) is fixedly connected to the right side of the rotating frame (1302), and the fixing plate (1303) is fixedly connected to the outside of the left convex rod (1101).

7. A drawing device for urban planning according to claim 1, characterized in that: The adjustment component (14) includes a drive gear (1401), which is fixedly connected to the outer ring of the rotating shaft (1201). The drive gear (1401) is located inside the protrusion (1101). A half-tooth ring (1402) meshes with the bottom of the outer ring of the drive gear (1401), and the half-tooth ring (1402) is fixedly connected to the bottom left side of the drawing platform (3).

8. A drawing device for urban planning according to claim 7, characterized in that: The outer bottom of the semi-toothed ring (1402) is rotatably connected to a sleeve (1403), and a fixing rod (1404) is fixedly connected to the left side of the sleeve (1403). The fixing rod (1404) is fixedly connected to the inner side of the protruding rod (1101).

9. A drawing device for urban planning according to claim 1, characterized in that: The locking assembly (21) includes a fixed box (2101), which is fixedly connected to the right side of the sleeve (1403). A slide cylinder (2102) is slidably connected inside the fixed box (2101). A compression spring (2103) is fixedly connected inside the right side of the slide cylinder (2102). The compression spring (2103) is fixedly connected inside the right side of the fixed box (2101). A locking rod (2104) is fixedly connected to the left side of the slide cylinder (2102). The locking rod (2104) passes through the sleeve (1403) to the left and engages with the right side of the half-tooth ring (1402).

10. A drawing device for urban planning according to claim 1, characterized in that: The external pull assembly (22) includes a telescopic slide rod (2201), which is fixedly connected to the inside of the right side of the slide cylinder (2102). The telescopic slide rod (2201) is slidably connected to the inside of the right side of the fixed box (2101). A pull rod (2202) is fixedly connected to the right side of the telescopic slide rod (2201).

Citation Information

Patent Citations

  • Drawing device for urban planning

    CN220832296U