Drawing device for geographic surveying and mapping

Abstract

The utility model relates to a drawing device for geographic surveying and mapping, which is applied to the field of geographic surveying and mapping and comprises two containing boxes movably connected through a hinge, the lower ends of the containing boxes are fixedly connected with two fixing assemblies, each fixing assembly comprises an L-shaped plate, and a containing groove is formed in the vertical surface of each L-shaped plate in a penetrating mode. L-shaped sliding grooves are formed in the left inner wall and the right inner wall of each containing groove, supporting plates are slidably connected into the sliding grooves, two fixing strips are fixedly connected to the inner bottom wall of one containing box, screw rods are rotatably connected to the inner bottom walls of the fixing strips, the upper ends of the screw rods penetrate through the fixing strips, and the upper ends of the two screw rods are jointly and fixedly sleeved with a belt wheel set. By the adoption of the containing box structure, the drawing table convenient for workers to use can be formed through simple deformation when the drawing table is used, the drawing table is convenient to carry and high in use convenience, and the workers can conveniently draw during on-site surveying and mapping.

Description

Technical Field

[0001] The utility model relates to a drawing device, in particular to a drawing device for geographical surveying and mapping applied in the field of geographical surveying and mapping. Background Art

[0002] Geographic information is the geographical meaning contained and expressed by geographic data. It is a general term for numbers, texts, images and graphics that represent the quantity, quality, properties, distribution characteristics, connections and laws of materials related to geographical environment elements. Geographic surveying and mapping refers to the measurement, collection and mapping of the shape, size, spatial position and attributes of natural geographical elements or artificial facilities on the surface.

[0003] The specification of Chinese patent CN214904721U discloses a surveying and drawing device for urban and rural planning. The utility model facilitates the adjustment and fixation of the angle and height of the surveying and drawing board for urban and rural planning, thereby meeting the drawing needs in different situations and improving the drawing quality.

[0004] However, in the process of geographic surveying and mapping, the staff conducts surveying and mapping outdoors most of the time. During on-site surveying and mapping, a drawing device is needed to facilitate the operator to record information. Most of the existing devices are large in size when in use, which is not convenient for the staff to carry out simple drawing after surveying and mapping. The convenience of use is not high, which reduces the staff's surveying and mapping efficiency. Utility Model Content

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the utility model is that when workers perform geographic surveying and mapping work outdoors, the existing drawing devices are mostly large in size and inconvenient for workers to carry, making it inconvenient for workers to perform simple drawing work on site, thereby reducing work efficiency.

[0006] In order to solve the above problems, the utility model provides a mapping device for geographical surveying and mapping, comprising two accommodating boxes movably connected by hinges, the lower ends of the accommodating boxes are fixedly connected to two fixing components, the fixing components include an L-shaped plate, the vertical surface of the L-shaped plate is penetrated with an accommodating groove, the left and right inner walls of the accommodating groove are both provided with an L-shaped slide groove, a support plate is slidably connected in the slide groove, the inner bottom wall of one accommodating box is fixedly connected to two fixing bars, the inner bottom wall of the fixing bar is rotatably connected to a screw, the upper end of the screw penetrates the fixing bar, and the two screws are fixedly connected to the inner bottom wall of the fixing bar. The upper ends of the rods are commonly fixed with a pulley set, which is located above the fixed strip; the inner top wall of a storage box is fixedly connected with a mounting strip, and a magnetic plate is rotatably connected inside the mounting strip; a slider is provided on the outer threaded sleeve of the screw, and a rotating rod is rotatably connected to the front end of the slider; the corresponding ends of the left and right rotating rods are rotatably connected to the magnetic plate; a knob is provided at the upper end of a storage box, and the lower end of the knob passes through the inner cavity of the storage box and is fixedly connected to the upper end of a screw; two storage boxes are fixedly connected to the vertical inner wall of the other storage box.

[0007] In the above-mentioned drawing device for geographic surveying and mapping, it can be simply deformed when in use to form a drawing table that is convenient for staff to use. It is easy to carry and convenient for staff to draw during on-site measurement and mapping. It is highly convenient to use.

[0008] As a further improvement of the present application, a handle is fixedly installed on the upper end of the storage box, and door locks are fixedly installed on the ends away from each other of the two storage boxes.

[0009] As a further improvement of the present application, a retaining bar is fixedly connected to the bottom of the front end of the magnetic plate, and a plurality of pressure plates are magnetically attracted to the surface of the magnetic plate.

[0010] As a further improvement of the present application, the surfaces at the corner connections of the L-shaped plate are fixedly connected to the lower end and the back surface of the containing box respectively, and the lower end of the supporting plate is fixedly connected to a rubber pad.

[0011] As another improvement of the present application, the fixing assembly is replaced with a supporting assembly, which includes a circular block, the upper end of which is fixedly connected to the lower end of the accommodating box, a limit block is inserted in the circular block, and the left end of the limit block is fixedly connected to a fixing plate.

[0012] As another improvement supplement of the present application, the right end of the fixed plate is also fixedly connected to a mounting block, the upper end of the mounting block is fitted with the lower end of the circular block, and two support rods are rotatably connected inside the mounting block. The lower ends of the support rods are triangular block-shaped, and the common length of the fixed plate and the support rods does not exceed the inner diameter length of the storage box.

[0013] To sum up, in actual application, open the door lock to unfold the two storage boxes, and then rotate the support plate to move it downward until the upper end of the support plate is located in the horizontal groove of the slide slot, so that the rubber sleeve contacts the desktop, thereby supporting the back side of the storage box, and then turning the knob to rotate the two screws, driving the slider to move upward, thereby pushing the lower end of the magnetic plate and the mounting bar to rotate at an appropriate angle as the center of the circle. After simple deformation, a drawing table that is convenient for staff to use can be formed, and then the drawings can be placed on the surface of the magnetic board to draw. After drawing, it is also convenient to store and carry, and it is highly convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the first implementation method of this application;

[0015] Figure 2 This is a rear view of the structure of the first embodiment of the present application;

[0016] Figure 3 This is a schematic diagram of the structure of a fixing component according to the first embodiment of the present application;

[0017] Figure 4 This is a schematic diagram of the magnetic plate structure of the first embodiment of the present application;

[0018] Figure 5 This is a structural schematic diagram of the second implementation mode of the present application;

[0019] Figure 6 This is a diagram of the support assembly of the second embodiment of the present application.

[0020] Description of the numbers in the figure:

[0021] 1 accommodating box, 2 L-shaped plate, 3 accommodating groove, 4 sliding groove, 5 supporting plate, 6 fixing strip, 7 screw rod, 8 pulley set, 9 mounting strip, 10 magnetic plate, 11 slider, 12 rotating rod, 13 knob, 14 storage box, 15 resisting strip, 16 pressure plate, 17 circular block, 18 limiting block, 19 fixing plate, 20 mounting block, 21 supporting rod. DETAILED DESCRIPTION

[0022] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0023] The first implementation method:

[0024] Figure 1It shows: a drawing device for geographic surveying and mapping, including two containing boxes 1 movably connected by hinges, two fixing components are fixedly connected to the lower end of the containing box 1, and a handle is fixedly installed on the upper end of the containing box 1, and the handle is convenient for the staff to carry the containing box 1, and door locks are fixedly installed on the ends away from each other of the two containing boxes 1, and two storage boxes 14 are fixedly connected to the vertical inner wall of the other containing box 1, and the storage box 14 can be used to place drawing tools and other sundries for the convenience of use of the staff.

[0025] Figure 2 and Figure 3 It is shown that: the fixing component includes an L-shaped plate 2, the vertical surface of the L-shaped plate 2 is penetrated by a receiving groove 3, the left and right inner walls of the receiving groove 3 are provided with L-shaped sliding grooves 4, through which the support plate 5 can be moved downward and fixed, so as to support the receiving box 1, the support plate 5 is slidably connected in the sliding groove 4, the surfaces at the corner connection of the L-shaped plate 2 are respectively fixedly connected to the lower end and the back surface of the receiving box 1, and the lower end of the support plate 5 is fixedly connected to a rubber pad, which can increase the friction between the support plate 5 and the desktop, thereby improving the stability of the receiving box 1.

[0026] Figure 4 It is shown that: the inner bottom wall of a accommodating box 1 is fixedly connected to two fixing bars 6, the inner bottom wall of the fixing bar 6 is rotatably connected to a screw rod 7, the upper end of the screw rod 7 passes through the fixing bar 6, and the upper ends of the two screw rods 7 are fixedly sleeved with a pulley set 8, which can drive the two screw rods 7 to rotate at the same time, so that the two sliders 11 move at the same time, and the pulley set 8 is located above the fixing bar 6. The inner top wall of a accommodating box 1 is fixedly connected to a mounting bar 9, and a magnetic plate 10 is rotatably connected to the mounting bar 9. The outer ring thread sleeve of the screw rod 7 is provided with a slider 11, and the front end of the slider 11 is rotatably connected to a rotating rod 12, and the corresponding ends of the left and right rotating rods 12 are both The magnetic plate 10 is rotatably connected, and the movement of the slider 11 drives the rotation of the magnetic plate 10, so that the staff can adjust the inclination angle of the magnetic plate 10 and draw drawings conveniently. A knob 13 is provided at the upper end of a accommodating box 1, and the knob 13 is convenient for the staff to turn the screw 7. The lower end of the knob 13 penetrates into the inner cavity of the accommodating box 1 and is fixedly connected to the upper end of a screw 7. The bottom of the front end of the magnetic plate 10 is fixedly connected with a stop bar 15, and the stop bar 15 is convenient for the staff to place the drawings. The surface of the magnetic plate 10 is magnetically attracted with a plurality of pressure plates 16, and the pressure plates 16 can fix the drawings, effectively preventing the drawings from being displaced during the drawing process.

[0027] When in use, open the door lock to unfold the two storage boxes 1, then rotate the support plate 5 to move it downward until the upper end of the support plate 5 is located in the horizontal notch of the slide groove 4, so that the rubber sleeve contacts the desktop, thereby supporting the back side of the storage box 1, and then turn the knob 13 to rotate the two screws 7, driving the slider 11 to move upward, thereby pushing the lower end of the magnetic plate 10 to rotate at an appropriate angle with the mounting strip 9 as the center of the circle. After simple deformation, a drawing table that is convenient for staff to use can be formed, and then the drawings can be placed on the surface of the magnetic plate 10 to draw. After drawing, it is also convenient to store and carry, and it is easy to use.

[0028] The second implementation method:

[0029] Based on the first embodiment, this embodiment changes the fixing component into a supporting component, and the rest of the components remain the same as the first embodiment.

[0030] Figure 5 It is shown that: the fixing assembly is replaced with a supporting assembly, the supporting assembly includes a circular block 17, the upper end of the circular block 17 is fixedly connected to the lower end of the accommodating box 1, a limiting block 18 is inserted in the circular block 17, the inner cavity of the circular block 17 is completely matched with the limiting block 18, so that the mounting block 20 can be fixed, and the left end of the limiting block 18 is fixedly connected to a fixing plate 19.

[0031] Figure 6 It is shown that: the right end of the fixed plate 19 is also fixedly connected with a mounting block 20, the upper end of the mounting block 20 is fitted with the lower end of the circular block 17, and two support rods 21 are rotatably connected inside the mounting block 20, and the lower end of the support rod 21 is in a triangular block shape, which facilitates the insertion of the support rod 21 into the soil, thereby improving the stability of the storage box 1, and the common length of the fixed plate 19 and the support rod 21 does not exceed the inner diameter length of the storage box 14.

[0032] When there are no tables, chairs or other placement tables on site, the limit block 18 is inserted into the circular block 17 so that the mounting block 20 is located below the circular block 17, and then the two support rods 21 are rotated one after the other to form a cross form, and the two support rods 21 are inserted into the soil to support the containing box 1, and then the angle of the magnetic plate 10 is adjusted to form the recommended drawing platform, which is convenient for the staff to draw. After the drawing is completed, the limit block 18 can be pulled out to reset the two support rods 21, and the support rods 21 can be placed in the storage box 14 to complete the storage of the entire device, which is convenient for the staff to carry.

[0033] In view of current practical needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A mapping device for geographical surveying and mapping, comprising two containing boxes (1) movably connected by hinges, characterized in that: The lower end of the containing box (1) is fixedly connected to two fixing components, the fixing components comprising an L-shaped plate (2), a containing groove (3) being provided through the vertical surface of the L-shaped plate (2), the left and right inner walls of the containing groove (3) being provided with L-shaped sliding grooves (4), and a support plate (5) being slidably connected in the sliding groove (4); The inner bottom wall of one of the accommodating boxes (1) is fixedly connected to two fixing bars (6), the inner bottom wall of the fixing bar (6) is rotatably connected to a screw rod (7), the upper end of the screw rod (7) passes through the fixing bar (6), the upper ends of the two screw rods (7) are commonly fixedly sleeved with a pulley group (8), and the pulley group (8) is located above the fixing bar (6); the inner top wall of one of the accommodating boxes (1) is fixedly connected to a mounting bar (9), the mounting bar (9) is rotatably connected to a magnetic plate (10), the outer ring thread sleeve of the screw rod (7) is provided with a slider (11), the front end of the slider (11) is rotatably connected to a rotating rod (12), and the corresponding ends of the left and right rotating rods (12) are both rotatably connected to the magnetic plate (10); A knob (13) is provided at the upper end of one of the accommodating boxes (1), the lower end of the knob (13) penetrates the inner cavity of the accommodating box (1) and is fixedly connected to the upper end of a screw rod (7), and two storage boxes (14) are fixedly connected to the vertical inner wall of the other accommodating box (1).

2. A geographic surveying and mapping device according to claim 1, characterized in that: A handle is fixedly mounted on the upper end of the accommodating box (1), and a door lock is fixedly mounted on the ends of the two accommodating boxes (1) that are away from each other.

3. A geographic surveying and mapping device according to claim 1, characterized in that: A blocking strip (15) is fixedly connected to the bottom of the front end of the magnetic plate (10), and a plurality of pressing plates (16) are magnetically attracted to the surface of the magnetic plate (10).

4. A geographic surveying and mapping device according to claim 1, characterized in that: The surfaces at the corner connections of the L-shaped plate (2) are respectively fixedly connected to the lower end and the back surface of the accommodating box (1), and the lower end of the support plate (5) is fixedly connected to a rubber pad.

5. A geographic surveying and mapping device according to claim 1, characterized in that: The fixing assembly is replaced with a supporting assembly, the supporting assembly comprising a circular block (17), the upper end of the circular block (17) being fixedly connected to the lower end of the accommodating box (1), a limiting block (18) being inserted into the circular block (17), and the left end of the limiting block (18) being fixedly connected to a fixing plate (19).

6. A geographic surveying and mapping device according to claim 5, characterized in that: The right end of the fixed plate (19) is also fixedly connected to a mounting block (20), the upper end of the mounting block (20) is in contact with the lower end of the circular block (17), and two support rods (21) are rotatably connected inside the mounting block (20), the lower ends of the support rods (21) are triangular block-shaped, and the common length of the fixed plate (19) and the support rods (21) does not exceed the inner diameter length of the storage box (14).

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