Leveling rod support
By designing a level ruler support containing a vertical calibration assembly, the problem of difficulty in determining the vertical state when the level ruler is placed is solved, and the accuracy of reading values is achieved.
Patent Information
- Application Number
- CN202420523780.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-18
AI Technical Summary
It is difficult to determine whether the existing leveling rulers are perpendicular to the ground when placed, resulting in errors when reading values.
A level ruler support is designed, which includes a vertical calibration assembly, which drives the worm and worm gear to rotate through the knob. The support rotation drives the level ruler to rotate, and adjusts the calibration line to be flush with the viewing port through the calibration line and the observation port to ensure that the level ruler is perpendicular.
It effectively solves the error problem caused by tilting when placing the level ruler to ensure the accuracy of reading values.
Smart Images
Figure CN222652217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of height measurement, in particular to a level ruler support. Background Art
[0002] In elevation measurement, in order to obtain the elevation of a certain leveling point, it is often done by measuring the vertical distance between the leveling point of known elevation and the leveling point of the elevation to be measured. The measuring tool is a level rod, and the readings are taken using a level.
[0003] The existing level rod needs to be placed vertically when in use, and then the reading on the level rod is read through a spirit level. However, it is difficult to determine whether the level rod is perpendicular to the ground when placed, and it is easy to be placed in an inclined state, resulting in errors in reading the value. Utility Model Content
[0004] To this end, the utility model provides a level rod support, which solves the problem of difficulty in determining whether the level rod is vertical to the ground when the level rod is placed through a vertical calibration component.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a level ruler support, comprising a base, a fixed seat is fixedly provided on the top of the base, two fixed blocks are fixedly provided on one side of the fixed seat, a worm is inserted in the two fixed blocks, a knob is fixedly provided at one end of the worm, a worm wheel is provided on the top of the worm, the worm is meshed with the worm wheel, a rotating shaft is fixedly inserted in the worm wheel, a support is fixedly sleeved on the outside of the rotating shaft, a level ruler slot is opened inside the support, a clamping assembly and a vertical calibration assembly are respectively provided on both sides of the support, the vertical calibration assembly comprises a fixed shaft, one end of the fixed shaft is fixedly connected to a side wall of the support, a connecting sleeve is provided on the outside of the fixed shaft, a connecting rod is fixedly provided at the bottom of the connecting sleeve, a calibration line is opened on the outside of the connecting rod, a counterweight ball is fixedly provided at the bottom of the connecting rod, and a calibration unit is provided on the outside of the connecting rod.
[0006] Preferably, the clamping assembly includes a handwheel, a threaded rod is fixedly provided on one side of the handwheel, the threaded rod passes through a side wall of the support and extends into the level ruler slot, the threaded rod is connected to the support by a thread, a clamping plate is provided at one end of the threaded rod, the threaded rod and the clamping plate are connected by a bearing, the clamping plate is arranged inside the level ruler slot and is slidably connected to the level ruler slot.
[0007] Preferably, the calibration unit comprises a calibration disk, the calibration disk is fixedly arranged on the outside of the support, an observation port is provided on the outside of the calibration disk, and calibration grooves are provided on the top and bottom of the observation port.
[0008] Preferably, the worm passes through the two fixed blocks and is connected to the two fixed blocks via bearings.
[0009] Preferably, the rotating shaft passes through both side walls of the fixing seat and is connected to both side walls of the fixing seat via bearings.
[0010] Preferably, the connecting sleeve is arranged outside the fixed shaft and is connected to the fixed shaft through a bearing.
[0011] Preferably, the bottom of the connecting rod extends into the interior of the calibration disk.
[0012] Preferably, the weighted ball is disposed inside the calibration disk and is slidably connected to the calibration disk.
[0013] The utility model embodiment has the following advantages:
[0014] 1. By rotating the knob, the worm drives the worm wheel to rotate. The rotation of the worm wheel drives the support to rotate through the rotating shaft. The rotation of the support drives the level rod to rotate. At the same time, the support drives the fixed shaft and the calibration disk to move synchronously, so that the calibration line can be adjusted to be flush with the observation port, and then the level rod can be adjusted to a vertical state;
[0015] 2. Turn the handwheel to make the threaded rod rotate and push into the level ruler slot. When the threaded rod moves, it drives the clamping plate to move, thereby fixing the level ruler inside the level ruler slot. Since the connecting sleeve is connected to the bearing of the fixed shaft, the deadweight of the connecting rod and the counterweight ball at its bottom makes the connecting rod always in a vertical state. Observe through the observation port whether the calibration line is flush with the calibration slot. When they are flush, it can be determined that the level ruler is in a vertical state. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0018] Figure 1 The overall structural diagram provided by the utility model;
[0019] Figure 2 A three-dimensional diagram of the connection relationship of the fixing seat provided by the utility model;
[0020] Figure 3 A partial cutaway stereoscopic view of the support provided by the utility model;
[0021] Figure 4 An exploded perspective view of a vertical calibration assembly provided by the utility model;
[0022] Figure 5 The utility model provides Figure 4 Enlarged view of point A.
[0023] In the figure: 1 base, 2 fixed seat, 3 fixed block, 4 knob, 5 worm, 6 worm wheel, 7 rotating shaft, 8 support, 9 level ruler slot, 10 handwheel, 11 threaded rod, 12 splint, 13 fixed shaft, 14 connecting sleeve, 15 connecting rod, 16 calibration line, 17 counterweight ball, 18 calibration disk, 19 observation port, 20 calibration slot. DETAILED DESCRIPTION
[0024] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides a level ruler support, including a base 1, a fixed base 2 is fixedly provided on the top of the base 1, two fixed blocks 3 are fixedly provided on one side of the fixed base 2, a worm 5 is inserted inside the two fixed blocks 3, a knob 4 is fixedly provided at one end of the worm 5, a worm wheel 6 is provided on the top of the worm 5, the worm 5 is meshed with the worm wheel 6, a rotating shaft 7 is fixedly inserted inside the worm wheel 6, a support 8 is fixedly sleeved outside the rotating shaft 7, a level ruler slot 9 is opened inside the support 8, a clamping assembly and a vertical calibration assembly are respectively provided on both sides of the support 8, the vertical calibration assembly includes a fixed shaft 13, one end of the fixed shaft 13 is fixedly connected to a side wall of the support 8, a connecting sleeve 14 is sleeved outside the fixed shaft 13, a connecting rod 15 is fixedly provided at the bottom of the connecting sleeve 14, a calibration line 16 is opened outside the connecting rod 15, a counterweight ball 17 is fixedly provided at the bottom of the connecting rod 15, and a calibration unit is provided outside the connecting rod 15;
[0026] In this embodiment, in order to facilitate the calibration of the verticality of the level rod, when the calibration line 16 is not aligned with the calibration groove 20, the knob 4 is rotated, the knob 4 rotates through the worm 5 to rotate the worm gear 6, the worm gear 6 rotates through the rotating shaft 7 to rotate the support 8, the support 8 rotates and then drives the level rod to rotate, and at the same time the support 8 drives the fixed shaft 13 and the calibration disk 18 to move synchronously, so that the calibration line 16 can be adjusted to be aligned with the observation port 19, and then the level rod is adjusted to a vertical state;
[0027] Among them, in order to facilitate the purpose of fixing the level ruler inside the level ruler slot 9, the present device adopts the following technical solutions: the clamping assembly includes a hand wheel 10, a threaded rod 11 is fixedly provided on one side of the hand wheel 10, the threaded rod 11 penetrates a side wall of the support 8 and extends into the level ruler slot 9, the threaded rod 11 is connected to the support 8 by threads, a clamping plate 12 is provided at one end of the threaded rod 11, the threaded rod 11 and the clamping plate 12 are connected by bearings, the clamping plate 12 is arranged inside the level ruler slot 9 and is slidably connected to the level ruler slot 9, the level ruler is inserted into the level ruler slot 9, the hand wheel 10 is rotated, the hand wheel 10 rotates to make the threaded rod 11 rotate and push into the level ruler slot 9, and the threaded rod 11 moves to drive the clamping plate 12 to move, thereby fixing the level ruler inside the level ruler slot 9;
[0028] Among them, in order to achieve the purpose of facilitating the observation of whether the level rod is in a vertical state, the present device adopts the following technical solutions: the calibration unit includes a calibration disk 18, the calibration disk 18 is fixedly arranged on the outside of the support 8, an observation port 19 is opened on the outside of the calibration disk 18, and calibration grooves 20 are opened on the top and bottom of the observation port 19, the connecting sleeve 14 is sleeved on the outside of the fixed shaft 13 and connected to the fixed shaft 13 through a bearing, the bottom of the connecting rod 15 extends into the calibration disk 18, the counterweight ball 17 is arranged in the calibration disk 18 and is slidably connected to the calibration disk 18, because the connecting sleeve 14 is connected to the bearing of the fixed shaft 13, the connecting rod 15 and the counterweight ball 17 at the bottom of the connecting rod 15 make the connecting rod 15 always in a vertical state. After the level rod is fixed, observe whether the calibration line 16 is flush with the calibration groove 20 through the observation port 19. When they are flush, it can be determined that the level rod is in a vertical state;
[0029] Among them, in order to achieve the purpose of supporting the worm 5 and the rotating shaft 7, the present device adopts the following technical solution: the worm 5 passes through the two fixed blocks 3 and is connected to the two fixed blocks 3 through bearings, the rotating shaft 7 passes through the two side walls of the fixed seat 2 and is connected to the two side walls of the fixed seat 2 through bearings, and the rotating shaft 7 and the worm 5 are supported by the fixed seat 2 and the fixed block 3 without affecting the rotation of the rotating shaft 7 and the worm 5.
[0030] The use process of the utility model is as follows: when using the utility model, the device is placed on the test point, and then the level ruler is inserted into the level ruler slot 9, and the hand wheel 10 is rotated. The hand wheel 10 rotates to make the threaded rod 11 rotate and push into the level ruler slot 9. When the threaded rod 11 moves, it drives the clamping plate 12 to move, so that the level ruler is fixed in the level ruler slot 9. Since the connecting sleeve 14 is connected to the bearing of the fixed shaft 13, the connecting rod 15 and the weight ball 17 at the bottom of the connecting rod 15 make the connecting rod 15 always in a vertical state, and the level ruler After the fixation is completed, observe through the observation port 19 whether the calibration line 16 and the calibration groove 20 are aligned. When they are aligned, it can be determined that the level rod is in a vertical state. When the calibration line 16 and the calibration groove 20 are not aligned, rotate the knob 4. The knob 4 rotates through the worm 5 to rotate the worm gear 6. The worm gear 6 rotates through the rotating shaft 7 to rotate the support 8. The rotation of the support 8 drives the level rod to rotate. At the same time, the support 8 drives the fixed shaft 13 and the calibration disk 18 to move synchronously, so that the calibration line 16 can be adjusted to be aligned with the observation port 19, and then the level rod is adjusted to a vertical state.
[0031] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.
Claims
1. A level rod support, comprising a base (1), characterized in that: A fixing seat (2) is fixedly provided on the top of the base (1), two fixing blocks (3) are fixedly provided on one side of the fixing seat (2), a worm (5) is inserted inside the two fixing blocks (3), a knob (4) is fixedly provided on one end of the worm (5), a worm wheel (6) is provided on the top of the worm (5), the worm (5) meshes with the worm wheel (6), a rotating shaft (7) is fixedly inserted inside the worm wheel (6), a support (8) is fixedly provided on the outside of the rotating shaft (7), and a level ruler slot (9) is provided inside the support (8). A clamping assembly and a vertical calibration assembly are respectively provided on both sides of the support (8), and the vertical calibration assembly comprises a fixed shaft (13), one end of the fixed shaft (13) is fixedly connected to a side wall of the support (8), a connecting sleeve (14) is sleeved on the outside of the fixed shaft (13), a connecting rod (15) is fixedly provided at the bottom of the connecting sleeve (14), a calibration line (16) is provided on the outside of the connecting rod (15), a counterweight ball (17) is fixedly provided at the bottom of the connecting rod (15), and a calibration unit is provided on the outside of the connecting rod (15); The clamping assembly has the function of fixing the level ruler inside the level ruler slot (9), and the vertical calibration assembly has the function of calibrating whether the level ruler is vertical.
2. A level rod support according to claim 1, characterized in that: The clamping assembly comprises a hand wheel (10), a threaded rod (11) is fixedly provided on one side of the hand wheel (10), the threaded rod (11) passes through a side wall of the support (8) and extends into the interior of the level ruler slot (9), the threaded rod (11) is connected to the support (8) by threads, a clamping plate (12) is provided at one end of the threaded rod (11), the threaded rod (11) and the clamping plate (12) are connected by a bearing, and the clamping plate (12) is arranged inside the level ruler slot (9) and is slidably connected to the level ruler slot (9).
3. A level rod support according to claim 1, characterized in that: The calibration unit comprises a calibration disk (18), wherein the calibration disk (18) is fixedly arranged outside the support (8), an observation port (19) is provided outside the calibration disk (18), and calibration grooves (20) are provided at the top and bottom of the observation port (19).
4. A level rod support according to claim 1, characterized in that: The worm (5) passes through the two fixed blocks (3) and is connected to the two fixed blocks (3) via bearings.
5. The level rod support according to claim 1, characterized in that: The rotating shaft (7) passes through the two side walls of the fixing seat (2) and is connected to the two side walls of the fixing seat (2) via bearings.
6. A level rod support according to claim 1, characterized in that: The connecting sleeve (14) is sleeved on the outside of the fixed shaft (13) and is connected to the fixed shaft (13) via a bearing; The connecting sleeve (14) is connected to the fixed shaft (13) via a bearing, so that the connecting sleeve (14) can rotate along the fixed shaft (13), thereby causing the connecting rod (15) to automatically assume a vertical state due to its own weight.
7. A level rod support according to claim 1, characterized in that: The bottom of the connecting rod (15) extends into the interior of the calibration plate (18).
8. The level rod support according to claim 1, characterized in that: The weighted ball (17) is disposed inside the calibration disk (18) and is slidably connected to the calibration disk (18).