Protective box staff for surveying and mapping
By sliding the rubber sleeve and threaded sleeve on the outside of the leveling rod, and utilizing the design of three arc-shaped support legs and permanent magnets, the problem of scale wear and deformation during the handling of the leveling rod is solved, achieving high precision and stability in surveying.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-10
AI Technical Summary
Most existing leveling rods are simple multi-stage telescopic tube designs with built-in spring clips, lacking protective mechanisms. They are easily affected by handling, which can lead to wear on the scale or deformation of the outer tube, affecting the accuracy of surveying.
A rubber sleeve is slidably connected to the outside of the ruler rod, and the threaded connection between the threaded sleeve and the pre-tightening sleeve is adjusted. Combined with the design of three arc-shaped support legs and permanent magnets, a triangular support structure is formed to prevent tilting. The rope limit and magnetic fixation achieve full-coverage protection.
It effectively prevents scale wear and outer tube deformation, improves surveying accuracy and stability, and is easy to carry and use.
Smart Images
Figure CN224108811U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geographical surveying and mapping technical field, concretely is a tower rule for surveying and mapping with protection. BACKGROUND
[0002] Tower rule is a kind of level ruler, and early level ruler is mostly made of wood, is heavy and has limited length, and is inconvenient to carry during measurement. Later, it is gradually made of light and high-strength materials such as aluminum alloy, adopts tower type contraction form, is convenient to draw out during use, the single elevation measurement range is greatly improved, and it can be contracted during carrying. Its convenience makes tower rule become one of the necessary tools for engineering measurement and topographic survey.
[0003] At present, the existing tower rules on the market are mostly multi-stage telescopic pipe designs with simple built-in spring buckles, lack protective mechanisms outside, are easily affected by carrying to cause scale wear or outer tube deformation and telescopic obstruction, and are easily inclined during surveying and mapping to affect surveying and mapping accuracy. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a tower rule for surveying and mapping with protection to solve the problem that the existing tower rules are mostly multi-stage telescopic pipe designs with simple built-in spring buckles, lack protective mechanisms outside, are easily affected by carrying to cause scale wear or outer tube deformation and telescopic obstruction, and are easily inclined during surveying and mapping to affect surveying and mapping accuracy.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A tower rule for surveying and mapping with protection, comprising a ruler rod, a rubber sleeve is slidably connected to the outside of the bottom pipe of the ruler rod, a threaded sleeve is sleeved to the outside of the rubber sleeve, a pre-tightening sleeve is threadedly connected to the outside of the threaded sleeve, a top ring is integrated at the top of the pre-tightening sleeve, wedge-shaped rubber blocks are equidistantly integrated at the top of the rubber sleeve, a rotating frame is fixedly connected to the bottom of the threaded sleeve, support legs are equidistantly rotatably connected to the outside of the rotating frame, the support legs are designed as arc blocks with an arc of 120°, rubber pads are integrated on the inner arc surfaces of the support legs, foot supports are fixedly connected to the bottom ends of the support legs, permanent magnets are fixedly connected in the foot supports, and hanging rings are fixedly connected to the outside of the middle portions of the support legs.
[0007] Preferably, the ruler rod is a multi-stage telescopic pipe with a built-in spring buckle.
[0008] Preferably, the number of support legs on the outside of the rotating frame is three, and the support legs are limited by ropes between each other.
[0009] Preferably, the rope comprises a rope body, and hooks are equidistantly fixedly connected to the two sides of the rope body.
[0010] Preferably, the permanent magnet in the bottom base of the three supporting legs outside the rotating frame is designed as N and S magnetic poles connected in head-to-tail manner.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1. In the utility model, the rubber sleeve is slidably connected to the bottom pipe of the ruler rod, and the inner arc surface of the supporting leg is integrated with the rubber sleeve, so that the ruler rod can be fully wrapped and protected outside the bottom pipe after the three supporting legs are closed, thereby avoiding the wear of the scale or the deformation of the outer pipe during carrying or transportation, and ensuring the stability of use.
[0013] 2. In the utility model, the threaded sleeve is threadedly connected with the pre-tightening sleeve, so as to force the top ring to extrude the wedge-shaped rubber block, so that the tightness of the rubber sleeve and the ruler rod bottom pipe is controllable, and the position of the rubber sleeve can be adjusted according to the surveying and mapping requirements, so as to prevent the rubber sleeve from blocking the scale; and the three supporting legs on the outer side of the threaded sleeve are opened at the same time and limited by the rope, so that the tower ruler can be triangularly supported, the lateral inclination is prevented, and the surveying and mapping accuracy is high. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a carrying state diagram of the tower ruler with protection for surveying and mapping according to the utility model;
[0015] Figure 2 It is a working state diagram of the tower ruler with protection for surveying and mapping according to the utility model;
[0016] Figure 3 It is Figure 2 the enlarged schematic view of the A area structure in the utility model;
[0017] Figure 4 It is a pre-tightening sleeve half-section state diagram of the tower ruler with protection for surveying and mapping according to the utility model;
[0018] Figure 5 It is a rope structure schematic view of the tower ruler with protection for surveying and mapping according to the utility model.
[0019] In the drawing: 1, ruler rod; 2, rubber sleeve; 3, threaded sleeve; 4, pre-tightening sleeve; 5, top ring; 6, wedge-shaped rubber block; 7, rotating frame; 8, supporting leg; 9, rubber pad; 10, base; 11, permanent magnet; 12, hanging ring; 13, rope; 131, rope body; 132, hook. DETAILED DESCRIPTION
[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments, all other embodiments obtained by the ordinary skilled in the art without making creative labor based on the embodiments in the utility model belong to the range of the utility model protection.
[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme:
[0022] A kind of tower scale with protection for surveying and mapping, including staff 1, for geographic surveying and mapping height difference observation;The bottom pipe outside staff 1 is slidably connected with rubber sleeve 2, the outside sleeve of rubber sleeve 2 is sleeved with threaded sleeve 3, satisfy threaded sleeve sliding on staff surface, it is convenient that the height of threaded sleeve is adjustable on outer tube surface, to avoid its scale shielding, guarantee its observation effect, and embedded rubber sleeve design, can prevent its wear scale in sliding process;The outside of threaded sleeve 3 is threadedly connected with pre-tightening sleeve 4, the top of pre-tightening sleeve 4 is integrated with top ring 5, the top of rubber sleeve 2 is integrated with wedge-shaped rubber block 6 at equal intervals, the extrusion force of top ring and wedge-shaped rubber block is adjusted using pre-tightening sleeve and threaded sleeve threadedly connected, to guarantee the tightness of threaded sleeve and staff bottom pipe outside, to satisfy the adjustment and fixation of threaded sleeve, pre-tightening sleeve is driven to press down in clockwise rotation, to drive top ring extrude wedge-shaped rubber block, so that threaded sleeve is fixed, conversely, pre-tightening sleeve is driven to rise in counterclockwise rotation, to drive top ring and wedge-shaped rubber block to separate, so as to guarantee that threaded sleeve can slide;The bottom of threaded sleeve 3 is fixedly connected with integrated rotating stand 7, the outside of rotating stand 7 is rotatably connected with support leg 8 at equal intervals, support leg 8 is designed as arc block, and the radian is 120 °, forms tripod when unfolding, for tower scale auxiliary fixation, to improve tower scale fixation stability, prevent its lateral inclination, guarantee its observation accuracy, and when converging, the outside of tower scale bottom pipe is fully wrapped and protected, can avoid scale wear or outer tube deformation expansion obstruction during carrying or transfer process;The inner arc surface of support leg 8 is integrated with rubber pad 9, for flexible contact on the inside of support leg, to prevent scale wear;The bottom end of support leg 8 is fixedly connected with footrest 10, for stable contact on ground after unfolding, to guarantee placement fixation stability;Permanent magnet 11 is fixedly connected in the inside of footrest 10, for mutual magnetic attraction fixation between footrest after support leg converging, guarantee its storage stability, facilitate carrying;Hanging ring 12 is fixedly connected on both sides of the outside middle part of support leg 8, for supporting leg limiting position in cooperation with rope fixation, guarantee its structural stability.
[0023] In the embodiment, please refer to Figure 2 Staff 1 is multistage telescopic pipe with built-in spring buckle, which is telescopic tower scale commonly used for carrying in prior art.
[0024] In the embodiment, please refer to Figure 2The three supporting legs outside the rotating frame 7 are limited by the ropes 13, which are used for limiting the supporting legs and ensuring the stability of the structure.
[0025] In the embodiment, the rotating frame 7 is provided with three supporting legs 8, and the three supporting legs 8 are connected to the rotating frame 7 through the hanging ring 12. Figure 5 The rope 13 comprises a rope body 131, and hooks 132 are fixedly connected to the two sides of the rope body 131 at equal distances.
[0026] In the embodiment, the permanent magnets 11 in the bottom pedestals 10 of the three supporting legs 8 outside the rotating frame 7 are designed to be connected in series in the N-S magnetic poles, so as to meet the design of magnetic fixation of the three supporting legs when the supporting legs are folded.
[0027] The utility model discloses a working principle: when using, three supporting legs 8 are unfolded in turn, and the ropes 13 are used for limiting (the two hooks 132 at the outermost end of the rope 13 are matched with the hanging ring 12) when unfolding, so as to form a tripod, realize that the ruler 1 is placed and is fixed, and lateral tilting is prevented.
[0028] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article or device including the element.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A tower staff for surveying with protection, comprising a staff (1), characterized in that: The bottom pipe outside of the ruler rod (1) is slidably connected with a rubber sleeve (2), the outside of the rubber sleeve (2) is sleeved with a threaded sleeve (3), the outside of the threaded sleeve (3) is threadedly connected with a pre-tightening sleeve (4), the top of the pre-tightening sleeve (4) is integrated with a top ring (5), the top of the rubber sleeve (2) is integrated with wedge-shaped rubber blocks (6) at equal intervals, the bottom of the threaded sleeve (3) is fixedly connected with a rotating frame (7) integrated, the outside of the rotating frame (7) is rotatably connected with supporting legs (8) at equal intervals, the supporting legs (8) are designed as arc blocks with an arc of 120°, the inner arc surface of the supporting legs (8) is integrated with rubber pads (9), the bottom end of the supporting legs (8) is fixedly connected with foot supports (10), the inside of the foot supports (10) is fixedly connected with permanent magnets (11), and the outside of the supporting legs (8) is fixedly connected with hanging rings (12) at the middle portion of two sides.
2. The tower tape with protection according to claim 1, characterized in that: The ruler rod (1) is a multi-stage telescopic pipe with an internal spring buckle.
3. The tower staff for surveying with protection according to claim 1, characterized in that: The number of the supporting legs outside the rotating frame (7) is three, and the two pairs of supporting legs are limited by ropes (13).
4. A stadia rod according to claim 3, wherein: The rope (13) comprises a rope body (131), and hooks (132) are fixedly connected to the two sides of the rope body (131) at equal intervals.
5. The guarded rod according to claim 1, wherein: The permanent magnets (11) inside the bottom foot supports (10) of the three supporting legs (8) outside the rotating frame (7) are designed as N and S magnetic poles connected head to tail.