Portable supporting device for mapping

Abstract

The utility model relates to the technical field of map surveying and mapping, and provides a portable supporting device for map surveying and mapping, which comprises two folding plates and a flexible plate, one end of each folding plate is fixedly provided with a limiting guide rail, the flexible plate is slidably arranged on the inner walls, close to the folding plates, of the two limiting guide rails, and the limiting guide rails are fixedly arranged on the flexible plate. Grips are fixedly mounted at the tops of the two folding plates; the multiple mounting grooves are formed in the ends, away from the flexible plate, of the two folding plates, and hinges are fixedly mounted on the inner walls of the multiple mounting grooves; according to the folding device, when the folding device is used, the two hinges are fixed in the mounting grooves of the back plates of the two folding plates, a worker can conveniently fold the backs of the two folding plates, the worker can conveniently carry the two folding plates by holding the handle with the hand, and the folding device is convenient to use. And the flexible plate slides on the inner wall of the limiting guide rail, is made of plastic, is convenient to bend, has a flat surface and can be used for laying surveying and mapping paper.

Description

Technical Field

[0001] The utility model relates to the technical field of map surveying and mapping, and in particular to a portable supporting device for map surveying and mapping. Background Art

[0002] Map surveying and mapping refers to the field measurement and collection of topography, landforms, landforms, cadastral elements and other relevant geographic information on the earth's surface or local areas in accordance with specific technical standards, methods and procedures, and then accurately depicting this information on surveying and mapping paper.

[0003] However, the prior art has the following disadvantages when used: when drawing and writing on surveying paper, a supporting device is required to spread the surveying paper flat to facilitate writing by surveyors, but the existing supporting device is large in size and inconvenient to carry. In addition, after the existing supporting device is fixed to the ground, it is not convenient to adjust the angle, which causes surveyors to bow their heads for a long time to work, which is not conducive to protecting the health of their cervical vertebrae. Therefore, a portable supporting device for map surveying is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when drawing and writing on surveying and mapping paper, a supporting device is needed to flatten the surveying and mapping paper to facilitate the surveying and mapping personnel to write, but the existing supporting device is large in size and inconvenient to carry. In addition, after the existing supporting device is fixedly installed on the ground, it is not convenient to adjust the angle, resulting in the surveying and mapping personnel needing to lower their heads to work for a long time, which is not conducive to protecting the health of the cervical spine of the surveying and mapping personnel.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a portable support device for map surveying and mapping, comprising: two folding plates, one end of each of the two folding plates is fixedly mounted with a limited guide rail, and further comprising:

[0006] A flexible plate is slidably mounted on the inner wall of the two limit guide rails close to the folding plate, and a handle is fixedly mounted on the top of the two folding plates;

[0007] A plurality of mounting grooves are provided at one end of the two folding plates away from the flexible plate, and hinges are fixedly installed on the inner walls of the plurality of mounting grooves;

[0008] Two magnet bars are respectively fixedly mounted on one end of the two folding plates away from the hinge, and one end of the two folding plates close to the magnet bars is slidably mounted with an L-shaped rod;

[0009] The two support frames are rotatably mounted on one end of the two folding plates close to the hinges, and the two support frames are provided with a hidden handle at one end away from the handle.

[0010] Preferably, magnet block 2 is fixedly installed on the opposite end of the two L-shaped rods, hidden handle 2 is opened on the end of the two L-shaped rods close to magnet block 2, and magnet block 1 is fixedly installed on the end of the two support frames close to hidden handle 1.

[0011] The technical effect of adopting the above-mentioned further scheme is: two hinges are fixed in the installation grooves of the back panels of the two folding plates, which is convenient for the staff to fold the two folding plates on their backs, so that the two handles are combined into one, which is convenient for the staff to carry the two folding plates by holding the handles; when the two folding plates are folded, the two magnet bars contact each other, and the opposite poles attract each other, which is convenient for enhancing the stability of the two folding plates when folded; when the two folding plates are folded, the two limit guide rails follow the movement, which is convenient for bending the flexible plate, so that the flexible plate slides on the inner wall of the limit guide rail; the flexible plate is made of plastic, which is easy to bend and has a flat surface that can lay flat surveying and mapping paper.

[0012] Preferably, a control frame is slidably mounted on one end of the folding plates away from the handle, and an elastic member 1 is fixedly mounted on one end of the control frame away from the L-shaped rod.

[0013] The technical effect of adopting the above further solution is that after the control frame is released, the elastic member contracts for a while, making it easier to pull the control frame to move in the direction of the L-shaped rod.

[0014] Preferably, the other end of the elastic member is fixedly mounted on the inner wall of one of the folding plates, and a plurality of limiting holes are formed at one end of one of the L-shaped rods close to the control frame.

[0015] The technical effect of adopting the above further solution is that the elastic member 1 is fixed to the inner wall of the folding plate, which facilitates improving the stability of the elastic member 1.

[0016] Preferably, a limiting block is fixedly mounted on one end of the control frame close to the limiting hole, and the outer surface of the limiting block is slidably connected to the inner wall of the limiting hole.

[0017] The technical effect of adopting the above further solution is that when the control frame moves, the limit block is driven to move, so that the limit block enters the limit hole, which is convenient for limiting the L-shaped rod.

[0018] Preferably, a plurality of circular holes are formed at one end of one of the support frames away from the control frame, and a round rod is slidably connected to the inner wall of one of the circular holes.

[0019] The technical effect of adopting the above further solution is: the staff first pulls the sliding plate to drive the round rod to slide out of the round hole, and at this time the round rod no longer restricts one end of the support frame.

[0020] Preferably, the round rod passes through one end of one of the folding plates and is fixedly mounted with a sliding plate, and the outer surface of the sliding plate is slidably mounted on the inner wall of one of the folding plates.

[0021] The technical effect of adopting the above further solution is: the round rod and the sliding plate are fixedly installed, which is convenient for controlling the movement of the round rod through the sliding plate, and the sliding plate and the inner wall of the folding plate are slidably installed, which is convenient for enhancing the stability of the sliding plate when moving.

[0022] Preferably, an elastic member 2 is fixedly mounted on one end of the sliding plate close to the round rod, and an end of the elastic member 2 away from the sliding plate is fixedly mounted on the inner wall of one of the folding plates.

[0023] The technical effect of adopting the above further solution is: when the sliding plate is loosened and the second elastic member contracts, the sliding plate is pulled to slide the round rod into the round hole again, thereby restricting the support frame.

[0024] Compared with the prior art, the advantages and positive effects of the utility model are:

[0025] 1. In the utility model, when in use, two hinges are fixed in the mounting grooves of the back plates of the two folding plates, which is convenient for the staff to fold the two folding plates at the back, and convenient for the staff to hold the handles to carry the two folding plates, and the flexible plate slides on the inner wall of the limiting guide rail. The flexible plate is made of plastic, which is easy to bend and has a flat surface that can flatly lay the surveying and mapping paper.

[0026] 2. In the utility model, when in use, the stability between the support frame and the folding plate is enhanced, and then the support frame and the end of the L-shaped rod away from the folding plate are placed on the ground, which is conducive to tilting the folding plate, so that the user does not have to lower his head to work, thereby protecting the user's cervical spine. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure of a portable support device for map surveying and mapping provided by the utility model;

[0028] Figure 2 A schematic diagram of the back three-dimensional structure of a portable support device for map surveying and mapping provided by the utility model;

[0029] Figure 3 A portable support device for map surveying and mapping provided by the utility model Figure 2 A magnified image of point A;

[0030] Figure 4 A portable support device for map surveying and mapping provided by the utility model Figure 2 Enlarged view of point B.

[0031] Legend: 1. Folding plate; 2. Limiting guide rail; 3. Flexible plate; 4. L-shaped rod; 401. Limiting hole; 402. Hidden handle 2; 403. Magnet block 2; 5. Control frame; 501. Elastic part 1; 502. Limiting block; 6. Handle; 7. Mounting slot; 8. Hinge; 9. Support frame; 901. Magnet block 1; 902. Hidden handle 1; 903. Round hole; 904. Round rod; 905. Sliding plate; 906. Elastic part 2; 10. Magnet strip. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a portable support device for map surveying and mapping, comprising: two folding plates 1, one end of each of the two folding plates 1 is fixedly mounted with a limited guide rail 2, and further comprising:

[0035] The flexible plate 3 is slidably mounted on the inner wall of the two limiting guide rails 2 close to the folding plate 1, and the tops of the two folding plates 1 are fixedly mounted with handles 6;

[0036] A plurality of mounting grooves 7 are provided at one end of the two folding plates 1 away from the flexible plate 3, and hinges 8 are fixedly installed on the inner walls of the plurality of mounting grooves 7;

[0037] Two magnet strips 10 are respectively fixedly mounted on one end of the two folding plates 1 away from the hinge 8, and one end of the two folding plates 1 close to the magnet strip 10 is slidably mounted with an L-shaped rod 4;

[0038] The two support frames 9 are rotatably mounted on one end of the two folding plates 1 close to the hinge 8, and the two support frames 9 are provided with a hidden handle 902 at one end away from the handle 6.

[0039] In this embodiment, when in use, two hinges 8 are fixed in the mounting grooves 7 of the back plates of the two folding plates 1, so that the staff can fold the two folding plates 1 at the back, so that the two handles 6 can be combined into one, and the staff can carry the two folding plates 1 by holding the handles 6. When the two folding plates 1 are folded, the two magnet bars 10 are in contact with each other, and the opposite poles attract each other, so as to enhance the stability of the two folding plates 1 when folded. When the two folding plates 1 are folded, the two limiting guide rails 2 follow the movement, so as to bend the flexible plate 3 and slide the flexible plate 3 on the inner wall of the limiting guide rail 2. The flexible plate 3 is made of plastic, which is easy to bend and has a flat surface that can flatten the surveying and mapping paper.

[0040] Embodiment 2, as Figure 1 - Figure 4 As shown, magnet blocks 2 403 are fixedly installed at opposite ends of the two L-shaped rods 4, hidden handles 2 402 are provided at the ends of the two L-shaped rods 4 close to the magnet blocks 2 403, magnet blocks 1 901 are fixedly installed at the ends of the two support frames 9 close to the hidden handles 1 902, a control frame 5 is slidably installed at the end of one of the folding plates 1 away from the handle 6, an elastic member 1 501 is fixedly installed at the end of the control frame 5 away from the L-shaped rod 4, and the other end of the elastic member 1 501 is fixedly installed on the inner wall of one of the folding plates 1, a plurality of limiting holes 401 are provided at the end of one of the L-shaped rods 4 close to the control frame 5, and the control frame 5 close to the limiting holes 401 A limiting block 502 is fixedly installed on one end, and the outer surface of the limiting block 502 is slidably connected to the inner wall of the limiting hole 401. A plurality of circular holes 903 are opened at the end of one of the support frames 9 away from the control frame 5, and a round rod 904 is slidably connected to the inner wall of one of the circular holes 903. The round rod 904 passes through one end of one of the folding plates 1 and a sliding plate 905 is fixedly installed thereon. The outer surface of the sliding plate 905 is slidably installed on the inner wall of one of the folding plates 1, and an elastic member 906 is fixedly installed on the end of the sliding plate 905 close to the round rod 904, and the end of the elastic member 906 away from the sliding plate 905 is fixedly installed on the inner wall of one of the folding plates 1.

[0041] In this embodiment, when in use, the magnet block 1 901 at the opposite end of the two support frames 9 is convenient for enhancing the stability between the two support frames 9, and the magnet block 2 403 at the opposite end of the two L-shaped rods 4 is convenient for enhancing the stability between the two L-shaped rods 4. The staff first pulls the control frame 5, which cannot rotate inside the folding plate 1, and then pulls the two L-shaped rods 4 out from the backs of the two folding plates 1 through the hidden handle 2 402, so that the end of the L-shaped rod 4 away from the magnet block 2 403 is pulled to the control frame 5, and one end of the L-shaped rod 4 is slidably installed with the inner wall of the folding plate 1 through a short rod, and at the same time, the short rod at one end of the L-shaped rod 4 can rotate on the inner wall of the folding plate 1 to adjust the L-shaped rod 4 and the folding plate 1. When the angle between the stacked plates 1 is adjusted, after the control frame 5 is released, the elastic member 1 501 contracts and pulls the control frame 5 to move in the direction of the L-shaped rod 4. When the control frame 5 moves, it drives the limit block 502 to move, so that the limit block 502 enters the limit hole 401, which is convenient for limiting the L-shaped rod 4 and preventing the L-shaped rod 4 from rotating again. The staff first pulls the sliding plate 905 to drive the round rod 904 to slide out of the round hole 903, and then pulls the two support frames 9 out of the back of the folding plate 1 through the hidden handle 1 902. After adjusting the angle between the support frame 9 and the folding plate 1, the sliding plate 905 is released, and the elastic member 2 906 contracts and pulls the sliding plate 905 to slide the round rod 904 into the round hole 903 again, restricting the support frame 9 and enhancing the stability between the support frame 9 and the folding plate 1. Subsequently, the support frame 9 and the L-shaped rod 4 are placed on the ground away from the end of the folding plate 1, which is conducive to tilting the folding plate 1, so that the user does not have to lower his head to work and protect the user's cervical spine.

[0042] Working principle: when in use, two hinges 8 are fixed in the mounting grooves 7 of the back plates of the two folding plates 1, so that the staff can fold the two folding plates 1 at the back, so that the two handles 6 are combined into one, which is convenient for the staff to hold the handles 6 and carry the two folding plates 1. When the two folding plates 1 are folded, the two magnet bars 10 contact each other, and the opposite poles attract each other, which is convenient for enhancing the stability of the two folding plates 1 when folded. When the two folding plates 1 are folded, the two limit guide rails 2 follow the movement, which is convenient for bending the flexible plate 3 so that the flexible plate 3 slides on the inner wall of the limit guide rail 2. The flexible plate 3 is made of plastic, which is convenient for bending and has a flat surface that can flatten the surveying and mapping paper. When in use, the magnet block 1 901 at the opposite end of the two support frames 9 is convenient for enhancing the stability between the two support frames 9, and the magnet block 2 403 at the opposite end of the two L-shaped rods 4 is convenient for enhancing the stability between the two L-shaped rods 4. The staff first pulls the control frame 5, which cannot rotate inside the folding plate 1, and then moves the two L-shaped rods 4 through the hidden handle The second 402 is pulled out from the back of the two folding plates 1, so that the end of the L-shaped rod 4 away from the magnet block 403 is pulled to the control frame 5, and one end of the L-shaped rod 4 is slidably installed with the inner wall of the folding plate 1 through a short rod. At the same time, the short rod at one end of the L-shaped rod 4 can be rotated on the inner wall of the folding plate 1 to adjust the angle between the L-shaped rod 4 and the folding plate 1. After the adjustment is completed, the control frame 5 is released, and the elastic member 501 contracts to pull the control frame 5 to move in the direction of the L-shaped rod 4, and the control frame 5 drives the limit block when it moves. 502 moves, so that the limit block 502 enters the limit hole 401, which is convenient for limiting the L-shaped rod 4 and preventing the L-shaped rod 4 from rotating again. The staff first pulls the sliding plate 905 to drive the round rod 904 to slide out of the round hole 903, and then pulls the two support frames 9 out from the back of the folding plate 1 through the hidden handle 1 902. After adjusting the angle between the support frame 9 and the folding plate 1, release the sliding plate 905. When the elastic member 2 906 contracts, the sliding plate 905 is pulled to slide the round rod 904 into the round hole 903 again, restricting the support frame 9 and enhancing the stability between the support frame 9 and the folding plate 1. Subsequently, the support frame 9 and the L-shaped rod 4 are placed on the ground away from the end of the folding plate 1, which is conducive to tilting the folding plate 1, so that the user does not have to lower his head to work, thereby protecting the user's cervical vertebra.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A portable support device for map surveying and mapping, comprising two folding plates (1), one end of each of the two folding plates (1) being fixedly mounted with a limiting guide rail (2), characterized in that: Also includes: A flexible plate (3) is slidably mounted on the inner wall of the two limit guide rails (2) close to the folding plate (1), and a handle (6) is fixedly mounted on the top of the two folding plates (1); A plurality of mounting grooves (7) are provided at one end of the two folding plates (1) away from the flexible plate (3), and hinges (8) are fixedly mounted on the inner walls of the plurality of mounting grooves (7); Two magnet bars (10) are respectively fixedly mounted on one end of the two folding plates (1) away from the hinge (8); and an L-shaped rod (4) is slidably mounted on one end of the two folding plates (1) close to the magnet bar (10); The two support frames (9) are rotatably mounted on one end of the two folding plates (1) close to the hinge (8), and the two ends of the two support frames (9) away from the handle (6) are each provided with a hidden handle 1 (902).

2. A portable support device for map surveying and mapping according to claim 1, characterized in that: A second magnet block (403) is fixedly mounted on opposite ends of the two L-shaped rods (4), a second hidden handle (402) is provided on one end of the two L-shaped rods (4) close to the second magnet block (403), and a first magnet block (901) is fixedly mounted on one end of the two support frames (9) close to the first hidden handle (902).

3. A portable support device for map surveying and mapping according to claim 2, characterized in that: A control frame (5) is slidably mounted on one end of the folding plates (1) away from the handle (6), and an elastic member 1 (501) is fixedly mounted on one end of the control frame (5) away from the L-shaped rod (4).

4. A portable support device for map surveying and mapping according to claim 3, characterized in that: The other end of the elastic member 1 (501) is fixedly mounted on the inner wall of one of the folding plates (1), and a plurality of limiting holes (401) are formed at one end of one of the L-shaped rods (4) close to the control frame (5).

5. A portable support device for map surveying and mapping according to claim 4, characterized in that: A limiting block (502) is fixedly mounted on one end of the control frame (5) close to the limiting hole (401), and an outer surface of the limiting block (502) is slidably connected to an inner wall of the limiting hole (401).

6. A portable support device for map surveying and mapping according to claim 5, characterized in that: A plurality of circular holes (903) are formed at one end of one of the support frames (9) away from the control frame (5), wherein a round rod (904) is slidably connected to the inner wall of one of the circular holes (903).

7. A portable support device for map surveying and mapping according to claim 6, characterized in that: The round rod (904) passes through one end of one of the folding plates (1) and is fixedly mounted with a sliding plate (905), and the outer surface of the sliding plate (905) is slidably mounted on the inner wall of one of the folding plates (1).

8. A portable support device for map surveying and mapping according to claim 7, characterized in that: An elastic member 2 (906) is fixedly mounted on one end of the sliding plate (905) close to the round rod (904), and an end of the elastic member 2 (906) away from the sliding plate (905) is fixedly mounted on the inner wall of one of the folding plates (1).

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