Surveying and mapping ruler convenient to fold

Abstract

The utility model discloses a surveying and mapping ruler convenient to fold, which particularly relates to the technical field of geological surveying and mapping and comprises a surveying and mapping ruler frame and a surveying and mapping ruler body arranged in the surveying and mapping ruler frame. According to the surveying and mapping ruler, the disc is arranged on the outer wall of the rotating rod, the spring is arranged on the outer wall of the disc, the first movable plate is arranged on the outer wall of the rotating rod, the second movable plate is arranged on the outer wall of the first movable plate, and the movable plate is arranged on the outer wall of the second movable plate, so that the positioning block can be located in the folding groove. When the surveying and mapping ruler is used, the positioning block at the bottom of the surveying and mapping ruler needs to be embedded into the ground, then the measuring tape in the surveying and mapping ruler is stretched to measure geological points, so that the bottom end of the positioning block at the bottom of the surveying and mapping ruler is mostly tip-shaped, and the positioning block can be contracted and folded in the folding groove when the surveying and mapping ruler is not used; the positioning block at the bottom of the surveying and mapping ruler is not prone to injuring a user.

Description

Technical Field

[0001] The utility model relates to the technical field of geological surveying and mapping, in particular to a surveying ruler which is easy to fold. Background Art

[0002] Geological surveying and mapping is a general term for all surveying and mapping work involved in geological surveys and mineral exploration and the preparation of their results maps. It mainly includes geological point measurement, geological profile measurement, geophysical and chemical exploration measurement, mining area control measurement, mining area topography measurement, exploration network measurement, exploration engineering positioning measurement, pit exploration engineering measurement, well exploration engineering measurement, through-line measurement, open-pit mine measurement, surface movement observation, and the drawing and printing of relevant maps and the establishment of geological and mineral information systems. Geological point measurement: It is the measurement work of mapping the geological points determined on the spot onto the topographic map with the help of a certain measurement method. According to the scale of geological work and the different accuracy requirements of the prospecting minerals, you can choose to use: 1. Visual method of marking, when the terrain and landforms are obvious, the geological point position is directly calibrated on the base map by visual inspection according to the terrain, landforms and micro-topography characteristics, or it is marked with aerial photographs and then transferred to the base map; 2. Semi-instrumental method of marking, when the terrain and landforms are not obvious and visual inspection is difficult, simple instruments (such as compass, etc.) and simple measurement methods are used to calibrate the geological points; 3. Instrumental method of marking, using more precise instruments and higher-precision measurement methods to calibrate the geological points.

[0003] At present, when geological surveying is carried out on the market, it is necessary to measure geological points, and a surveying ruler is used to measure the geological points. In actual use, when the surveying ruler measures the geological points, it is necessary to embed the positioning block at the bottom of the surveying ruler into the ground, and then measure the geological points by stretching the tape measure inside the surveying ruler. As a result, the bottom end of the positioning block at the bottom of the surveying ruler is mostly pointed, which causes the positioning block at the bottom of the surveying ruler to easily cause damage to the user when the surveying ruler accidentally falls when not in use. Utility Model Content

[0004] The purpose of the utility model is to provide a surveying ruler that is easy to fold, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A surveying ruler that is easy to fold comprises a surveying ruler frame and a surveying ruler body arranged inside the surveying ruler frame, a folding block is fixedly connected to the bottom end of the surveying ruler frame, a groove is provided inside the folding block, a rotating rod is provided inside the groove, a first movable plate is fixedly connected to the outer wall of the rotating rod, a second movable plate is hinged to the outer wall of the first movable plate, a movable plate is hinged to the outer wall of the second movable plate, a positioning rod is fixedly connected to the outer wall of the movable plate, a folding groove is provided at the bottom end of the folding block, a positioning block is slidably connected to the inside of the folding groove, one end of the positioning rod passes through the inside of the folding groove and the positioning rod is slidably connected to the folding block.

[0007] Furthermore, a positioning groove is provided on the outer wall of the positioning block and one end of the positioning rod is slidably connected to the positioning groove, a limiting rod passes through the inside of the movable plate and the limiting rod is slidably connected to the movable plate, and both ends of the limiting rod are fixedly connected to the inside of the groove. The addition of the positioning rod makes it easy to fix the position of the positioning block.

[0008] Furthermore, a disc is fixedly connected to the outer wall of the rotating rod, a spring is fixedly connected to the outer wall of the disc, two ends of the spring are respectively fixedly connected to the disc and the inside of the groove, and the addition of the rotating rod allows the disc to move inside the groove.

[0009] Furthermore, one end of the rotating rod passes through the outer wall of the folding block, the rotating rod is rotatably connected to the folding block, and a connecting plate is fixedly connected to the top of the surveying ruler frame. The addition of a spring allows the disc to return to its initial position.

[0010] Furthermore, a connecting groove is provided on the top of the connecting plate, a handle is slidably connected inside the connecting groove, bolts are provided on the outer wall of the connecting plate, and the addition of the first movable plate enables the rotating rod to drive the second movable plate to move.

[0011] Furthermore, one end of the bolt passes through the interior of the connecting groove, and the bolt is connected to the connecting plate via a thread. The addition of the bolt makes it easier to fix the position of the handle.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The foldable surveying ruler of the utility model can make the positioning block in the device convenient to fold, by arranging a disc on the outer wall of the rotating rod, arranging a spring on the outer wall of the disc, arranging a first movable plate on the outer wall of the rotating rod, arranging a second movable plate on the outer wall of the first movable plate, arranging a movable plate on the outer wall of the second movable plate, arranging a positioning rod on the outer wall of the movable plate, and arranging a positioning groove on the outer wall of the positioning block, so that the positioning block can be located inside the folding groove. In the utility model, when the surveying ruler measures geological points, it is necessary to embed the positioning block at the bottom of the surveying ruler into the ground, and then measure the geological points by stretching the tape measure inside the surveying ruler, so that the bottom end of the positioning block at the bottom of the surveying ruler is mostly pointed. When the surveying ruler is not in use, the positioning block can be retracted and folded inside the folding groove. When the surveying ruler falls by mistake, the positioning block at the bottom of the surveying ruler is not easy to cause damage to the user.

[0014] 2. The foldable surveying ruler of the utility model can make the handle of the device easy to replace. A connecting plate is provided on the top of the surveying ruler frame, a connecting groove is provided on the top of the connecting plate, a handle is provided inside the connecting groove, and bolts are provided on the outer wall of the connecting plate, so that the position of the handle can be fixed inside the connecting groove. In the utility model, when the device is used and the handle needs to be disassembled and replaced, the bolts are turned at this time, so that the damaged handle on the outside of the device can be easily disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a top sectional view of the groove of the utility model;

[0018] Figure 3 This is a main cross-sectional view of the connection groove of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure of the disc of the utility model.

[0020] In the figure: 1. surveying ruler frame; 2. surveying ruler body; 3. folding block; 4. groove; 5. rotating rod; 6. first movable plate; 7. second movable plate; 8. moving plate; 9. positioning rod; 10. folding groove; 11. positioning block; 12. positioning groove; 13. limiting rod; 14. disc; 15. spring; 16. connecting plate; 17. connecting groove; 18. handle; 19. bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 and Figure 4 The utility model provides a surveying ruler that is easy to fold, and the technical solution is as follows:

[0023] A surveying ruler that is easy to fold comprises a surveying ruler frame 1 and a surveying ruler body 2 arranged inside the surveying ruler frame 1, a folding block 3 is fixedly connected to the bottom end of the surveying ruler frame 1, a groove 4 is provided inside the folding block 3, a rotating rod 5 is provided inside the groove 4, a first movable plate 6 is fixedly connected to the outer wall of the rotating rod 5, a second movable plate 7 is hinged to the outer wall of the first movable plate 6, a movable plate 8 is hinged to the outer wall of the second movable plate 7, a positioning rod 9 is fixedly connected to the outer wall of the movable plate 8, a folding groove 10 is provided at the bottom end of the folding block 3, a positioning block 11 is slidably connected inside the folding groove 10, one end of the positioning rod 9 passes through the inside of the folding groove 10 and the positioning rod 9 is slidably connected to the folding block 3.

[0024] In a preferred embodiment, a positioning groove 12 is provided on the outer wall of the positioning block 11 and one end of the positioning rod 9 is slidably connected to the positioning groove 12, a limiting rod 13 passes through the inside of the movable plate 8 and the limiting rod 13 is slidably connected to the movable plate 8, and both ends of the limiting rod 13 are fixedly connected to the inside of the groove 4. When the movable plate 8 moves, the movable plate 8 can move inside the groove 4, and the positioning rod 9 can move inside the groove 4 at the same time.

[0025] In a preferred embodiment, a disc 14 is fixedly connected to the outer wall of the rotating rod 5, and a spring 15 is fixedly connected to the outer wall of the disc 14. The two ends of the spring 15 are respectively fixedly connected to the disc 14 and the inside of the groove 4. When the rotating rod 5 moves, the rotating rod 5 can drive the disc 14 to move, so that the disc 14 can move inside the groove 4.

[0026] In a preferred embodiment, one end of the rotating rod 5 passes through the outer wall of the folding block 3, the rotating rod 5 is rotatably connected to the folding block 3, and a connecting plate 16 is fixedly connected to the top of the surveying ruler frame 1. When the disk 14 moves, the disk 14 can drive the spring 15 to move, so that the spring 15 can be twisted.

[0027] The working principle of the utility model is as follows: when the device is not used and the positioning block 11 needs to be folded and collected, the rotating rod 5 is rotated at this time to make the rotating rod 5 rotate inside the groove 4, and the rotating rod 5 will drive the disc 14 to move, so that the disc 14 rotates slightly inside the groove 4, and then the disc 14 can drive the spring 15 to move, so that the spring 15 is twisted, and at the same time the rotating rod 5 can drive the first movable plate 6 to move, so that the first movable plate 6 moves in a small circular motion inside the groove 4, the first movable plate 6 can drive the second movable plate 7 to move, so that the second movable plate 7 swings inside the groove 4, so that the first movable plate 6 can drive the movable plate 8 to move through the second movable plate 7, so that the movable plate 8 slides inside the groove 4, the movable plate 8 can slide on the outer wall of the limiting rod 13, and the movable plate 8 can drive the positioning rod 9 to move at the same time , so that the positioning rod 9 slides inside the groove 4, and one end of the positioning rod 9 slides inside the folding groove 10 at the same time, so that one end of the positioning rod 9 can be separated from the upper positioning groove 12. When one end of the positioning rod 9 is completely separated from the upper positioning groove 12, the positioning block 11 is pulled at this time so that the positioning block 11 can completely enter the folding groove 10. At this time, the lower positioning groove 12 outside the positioning block 11 will reach one side of the positioning rod 9, and the rotating rod 5 is released. The elastic force of the spring 15 will drive the disc 14 and the rotating rod 5 to return to the initial position. The rotating rod 5 can drive the movable plate 8 to move through the first movable plate 6 and the second movable plate 7, so that the movable plate 8 can drive one end of the positioning rod 9 to enter the lower positioning groove 12, causing the positioning block 11 to fold inside the folding groove 10, preventing the device from accidentally falling and the bottom tip positioning block 11 from causing harm to the user.

[0028] See also Figure 1 and Figure 3 The utility model provides a technical solution: a connecting groove 17 is opened on the top of the connecting plate 16, a handle 18 is slidably connected inside the connecting groove 17, and a bolt 19 is provided on the outer wall of the connecting plate 16. When the rotating rod 5 moves, the rotating rod 5 can drive the first movable plate 6 to move, so that the first movable plate 6 can drive the second movable plate 7 to move.

[0029] In a preferred embodiment, one end of the bolt 19 passes through the connecting groove 17, and the bolt 19 is connected to the connecting plate 16 by a thread. When the bolt 19 moves, the bolt 19 can move inside the connecting groove 17, and one end of the bolt 19 will move away from the handle 18.

[0030] The working principle of the utility model is as follows: when the device is used and the handle 18 needs to be disassembled and replaced, the bolt 19 is rotated at this time so that the bolt 19 and the connecting plate 16 move through the thread, and one end of the bolt 19 can be separated from the outer wall of the connecting plate 16. At this time, the handle 18 is pulled so that the handle 18 can slide inside the connecting groove 17 to separate the handle 18 from the connecting groove 17 and allow a new handle 18 to enter the connecting groove 17. At this time, the bolt 19 is reversed so that one end of the bolt 19 can enter the connecting groove 17 and one end of the bolt 19 squeezes the outside of the handle 18, thereby facilitating the disassembly and replacement of the damaged handle 18 on the outside of the device.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foldable surveying ruler, comprising a surveying ruler frame (1) and a surveying ruler body (2) disposed inside the surveying ruler frame (1), characterized in that: A folding block (3) is fixedly connected to the bottom end of the surveying ruler frame (1), a groove (4) is provided inside the folding block (3), a rotating rod (5) is provided inside the groove (4), a first movable plate (6) is fixedly connected to the outer wall of the rotating rod (5), a second movable plate (7) is hinged to the outer wall of the first movable plate (6), a movable plate (8) is hinged to the outer wall of the second movable plate (7), a positioning rod (9) is fixedly connected to the outer wall of the movable plate (8), a folding groove (10) is provided at the bottom end of the folding block (3), a positioning block (11) is slidably connected inside the folding groove (10), one end of the positioning rod (9) passes through the inside of the folding groove (10), and the positioning rod (9) is slidably connected to the folding block (3).

2. The foldable surveying ruler according to claim 1, characterized in that: The outer wall of the positioning block (11) is provided with a positioning groove (12) and one end of the positioning rod (9) is slidably connected to the positioning groove (12); a limiting rod (13) passes through the interior of the movable plate (8) and the limiting rod (13) is slidably connected to the movable plate (8); and both ends of the limiting rod (13) are fixedly connected to the interior of the groove (4).

3. The foldable surveying ruler according to claim 1, characterized in that: The outer wall of the rotating rod (5) is fixedly connected to a disc (14), the outer wall of the disc (14) is fixedly connected to a spring (15), and two ends of the spring (15) are respectively fixedly connected to the disc (14) and the inside of the groove (4).

4. The foldable surveying ruler according to claim 1, characterized in that: One end of the rotating rod (5) passes through the outer wall of the folding block (3), the rotating rod (5) is rotatably connected to the folding block (3), and a connecting plate (16) is fixedly connected to the top of the surveying ruler frame (1).

5. The foldable surveying ruler according to claim 4, characterized in that: A connecting groove (17) is provided on the top of the connecting plate (16), a handle (18) is slidably connected inside the connecting groove (17), and bolts (19) are provided on the outer wall of the connecting plate (16).

6. The foldable surveying ruler according to claim 5, characterized in that: One end of the bolt (19) passes through the interior of the connecting groove (17), and the bolt (19) is connected to the connecting plate (16) via a thread.

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