Level gauge auxiliary base with light source

The level auxiliary base with its own light source solves the problem of insufficient light source when measuring with the level at night or in tunnels, ensuring measurement accuracy and versatility.

CN223360327UActive Publication Date: 2025-09-19SHAANXI WATER CONSERVANCY & ELECTRIC POWER SURVEY & DESIGN INSTITUTE (GROUP) CO LTD
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Patent Information

Application Number
CN202423018239.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-09-19
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing levels require additional light sources when measuring at night or in tunnels, which affects measurement accuracy and existing lighting equipment is not universal.

Method used

An auxiliary base for a level instrument with its own light source is designed. The auxiliary base with an adjustable light source is installed between the instrument base and the tripod. The control module is used to control the opening and focal length adjustment of the zoom searchlight to ensure that the light source and the sighting axis are on the same vertical plane.

Benefits of technology

It realizes accurate measurement at night or in tunnels, and improves the measurement accuracy of the level and the versatility of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of level gauges, in particular to a level gauge auxiliary base with a light source, which comprises an upper disc, a movable ring arranged at the lower end of the upper disc, rollers arranged on the upper side and the lower side of the movable ring, a lower disc arranged at the lower end of the movable ring, a connecting column arranged at the upper end of the lower disc, and a bolt hole arranged at the lower end of the connecting column. Connecting bolts are arranged at the lower end of the lower disc, threaded holes are formed in the surface of the lower disc, a transmission bin is fixedly installed on the front side of the movable ring, and a knob is rotationally connected to the right side of the transmission bin; the upper disc and the instrument base are fixed, then the movable ring is assembled between the upper disc and the lower disc, and the connecting bolts are in threaded connection with the bolt holes, so that rapid assembly of the whole auxiliary base is achieved, the movable ring is rotated to drive the zoom searchlight to rotate, and the proper focal length is adjusted according to the sight distance. The rotary base and the zoom searchlight are controlled to rotate by rotating the rotary knob, so that the zoom searchlight is finely adjusted, and the leveling precision is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of levels, in particular to an auxiliary base of a level with a built-in light source. Background Art

[0002] A level is an instrument that establishes a horizontal line of sight to measure the height difference between two points on the ground. The principle is to measure the height difference between ground points according to the leveling principle. The main components include a telescope, a tube level, a vertical axis, a base, a foot screw, etc.

[0003] The existing level measurement system includes a level, a barcode level, a tripod and other auxiliary equipment. During the measurement process, the level reads the measurement by scanning the barcode tape. The instrument requires sufficient light source to accurately read the barcode tape. Therefore, when measuring at night or in a tunnel, lighting equipment is required to read the level. Most existing technologies use technical methods such as adding a light source to the barcode scale or installing lighting equipment on the top of the instrument. The level is a high-precision measuring instrument. Minor changes and additions will affect the accuracy or even damage the instrument. In addition, there are various brands and styles of levels, and the installed lighting equipment is not universal.

[0004] Therefore, in view of the above-mentioned existing level measurement process, sufficient light source is required to accurately read the reading. Therefore, when measuring at night or in a tunnel, it is necessary to add a light source to the barcode scale or install lighting equipment on the top of the instrument, which can easily affect the accuracy of the level. In addition, there are various styles of levels, and the installed lighting equipment is not universal. A level auxiliary base with its own light source can be designed. By installing the auxiliary base with an adjustable light source on the outside between the instrument base and the tripod, targeted fill lighting of the instrument can be conveniently performed. Utility Model Content

[0005] In order to overcome the problem that the existing level instrument requires sufficient light source for accurate readings during measurement, it is necessary to add a light source to the barcode scale or install lighting equipment on the top of the instrument when measuring at night or in a tunnel, which can easily affect the accuracy of the level instrument. In addition, there are many styles of levels, and the installed lighting equipment is not universal.

[0006] The technical solution of the utility model is: a level auxiliary base with its own light source, including an upper plate, a movable ring is provided at the lower end of the upper plate, rollers are provided on the upper and lower sides of the movable ring, a lower plate is provided at the lower end of the movable ring, a connecting column is provided at the upper end of the lower plate, a bolt hole is provided at the lower end of the connecting column, a connecting bolt is provided at the lower end of the lower plate, a threaded hole is provided on the surface of the lower plate, a transmission bin is fixedly installed on the front side of the movable ring, a knob is rotatably connected to the right side of the transmission bin, a worm is provided on the inner side of the transmission bin, a worm wheel is provided on the front side of the worm, a rotating seat is fixedly installed on the outer side of the worm wheel, a zoom searchlight is provided on the front side of the rotating seat, and a control module is fixedly installed on the left side of the movable ring.

[0007] Preferably, the upper plate is fixed to the instrument base, and then the movable ring is assembled between the upper plate and the lower plate, and the connecting bolts are threadedly connected to the bolt holes until the lower end of the connecting column and the lower plate fit together, so as to realize the rapid assembly of the auxiliary base as a whole. When in use, the lower plate is fixed to the upper end of the tripod through the threaded hole, and then the level is leveled to carry out the measurement work. It is convenient and fast, and improves the versatility of the device. When leveling at night or in a tunnel, the zoom searchlight is turned on through the control module, and the movable ring is turned to make the roller roll together, driving the zoom searchlight to rotate to the same vertical plane as the sighting axis, and adjusting the appropriate focal length according to the sighting distance length. The worm is controlled to rotate by turning the knob, so that the worm gear drives the rotating seat and the zoom searchlight to rotate, thereby realizing fine adjustment of the zoom searchlight and ensuring the accuracy of the leveling measurement.

[0008] Preferably, a mounting hole is provided on the surface of the upper plate, a limiting ring 1 is provided at the upper end of the movable ring, the limiting ring 1 is fixedly connected to the lower end of the upper plate, and a limiting ring 2 is provided at the lower end of the movable ring, the limiting ring 2 is fixedly connected to the upper end of the lower plate.

[0009] Preferably, the upper and lower sides of the movable ring are slidably connected to the limiting ring 1 and the limiting ring 2, the rollers are arranged in a ring array, and the rollers and the inner sides of the limiting ring 1 and the limiting ring 2 are adapted to each other.

[0010] Preferably, a through hole is opened on the surface of the lower plate, and the connecting bolts are arranged to pass through the through hole up and down. The upper end of the connecting bolt is threadedly connected to the inner side of the bolt hole. The through hole, connecting column and connecting bolt are all arranged in a circular array. The upper end of the connecting column is fixedly connected to the lower end of the upper plate, and the lower end of the connecting column and the lower plate fit together.

[0011] Preferably, the left end of the knob extends to the inner side of the transmission bin and is fixedly installed with bevel gear 1, the upper and lower ends of the worm are rotatably connected to the inner side of the transmission bin, and the lower end of the worm is fixedly installed with bevel gear 2, bevel gear 2 and bevel gear 1 are meshed with each other, and the worm wheel and worm are meshed with each other.

[0012] Preferably, the left and right sides of the rotating seat are rotatably connected to the inner side of the transmission compartment, a movable groove is provided on the front side of the transmission compartment, and the front end of the rotating seat extends to the outer side of the transmission compartment through the movable groove and is fixedly connected to the zoom searchlight.

[0013] Preferably, a switch and a charging port are provided on the surface of the control module, a rechargeable lithium battery pack is provided on the inner side of the movable ring, and the zoom searchlight and the rechargeable lithium battery pack are electrically connected to the control module.

[0014] Beneficial effects of the utility model:

[0015] The auxiliary base of the level instrument with its own light source fixes the upper plate to the instrument base, then assembles the movable ring in the limiting ring 1 and the limiting ring 2, and threadedly connects the connecting bolts to the bolt holes until the lower end of the connecting column and the lower plate fit together, thereby realizing rapid assembly of the auxiliary base as a whole. When in use, the lower plate is fixed to the upper end of the tripod through the threaded hole, and then the level is leveled to carry out measurement work. This is convenient and fast, and improves the versatility of the device. When performing leveling measurements at night or in tunnels, the zoom searchlight is turned on through the control module, and the movable ring is rotated to make the roller roll in coordination, driving the zoom searchlight to rotate to the same vertical plane as the sighting axis, and adjusting the appropriate focal length according to the sighting distance length. By turning the knob, the bevel gear 1 drives the bevel gear 2 and the worm to rotate, and the worm drives the rotating seat and the zoom searchlight to rotate, thereby realizing fine adjustment of the zoom searchlight and ensuring the accuracy of the leveling measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure shows the three-dimensional structure of the auxiliary base of the level instrument with its own light source of the utility model. Figure 1 ;

[0017] Figure 2 The figure shows the three-dimensional structure of the auxiliary base of the level instrument with its own light source of the utility model. Figure 2 ;

[0018] Figure 3 The figure shows the three-dimensional structure of the auxiliary base of the level instrument with its own light source of the utility model. Figure 3 ;

[0019] Figure 4 The figure shows the three-dimensional structure of the auxiliary base of the level instrument with its own light source of the utility model. Figure 4 ;

[0020] Figure 5 What is shown is a schematic diagram of the three-dimensional structure of the transmission compartment of the present invention.

[0021] Explanation of the accompanying reference numerals: 1. Upper plate; 2. Movable ring; 21. Roller; 22. Limiting ring 1; 23. Limiting ring 2; 24. Rechargeable lithium battery pack; 3. Lower plate; 31. Through hole; 4. Connecting column; 41. Bolt hole; 5. Connecting bolt; 6. Threaded hole; 7. Transmission compartment; 8. Knob; 81. Bevel gear 1; 9. Worm; 91. Bevel gear 2; 10. Worm gear; 11. Rotating seat; 12. Zoom searchlight; 13. Control module. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 5 The utility model provides an embodiment: a level auxiliary base with its own light source, comprising an upper plate 1, a movable ring 2 is provided at the lower end of the upper plate 1, rollers 21 are provided on the upper and lower sides of the movable ring 2, a lower plate 3 is provided at the lower end of the movable ring 2, a connecting column 4 is provided at the upper end of the lower plate 3, a bolt hole 41 is provided at the lower end of the connecting column 4, a connecting bolt 5 is provided at the lower end of the lower plate 3, and a threaded hole 6 is provided on the surface of the lower plate 3, a transmission bin 7 is fixedly installed on the front side of the movable ring 2, a knob 8 is rotatably connected to the right side of the transmission bin 7, a worm 9 is provided on the inner side of the transmission bin 7, a worm gear 10 is provided on the front side of the worm gear 10, a rotating seat 11 is fixedly installed on the outer side of the worm gear 10, a zoom searchlight 12 is provided on the front side of the rotating seat 11, and a control module 13 is fixedly installed on the left side of the movable ring 2.

[0024] See also Figures 1-4 In this embodiment, a mounting hole is provided on the surface of the upper plate 1, a limiting ring 22 is provided on the upper end of the movable ring 2, and the limiting ring 22 is fixedly connected to the lower end of the upper plate 1, and a limiting ring 23 is provided on the lower end of the movable ring 2, and the limiting ring 23 is fixedly connected to the upper end of the lower plate 3. The upper and lower sides of the movable ring 2 are slidably connected with the limiting ring 1 22 and the limiting ring 2 23, and the rollers 21 are arranged in a ring array. The rollers 21 and the inner sides of the limiting rings 1 22 and the limiting rings 23 are adapted to each other. A through hole 31 is provided on the surface of the lower plate 3, and the connecting bolts 5 are arranged to pass through the through hole 31 from top to bottom. The upper end of the connecting bolt 5 is threadedly connected to the inner side of the bolt hole 41. The through hole 31, the connecting column 4, and the connecting bolt 5 are all arranged in a ring array. The upper end of the connecting column 4 is fixedly connected to the lower end of the upper plate 1, and the lower end of the connecting column 4 and the lower plate 3 fit together. The upper plate 1 is fixed to the instrument base with bolts, and then the movable ring 2 is assembled in the limiting ring 1 22 and the limiting ring 2 23. By threading multiple connecting bolts 5 through the through hole 31 and the bolt hole 41 at the lower end of the connecting column 4 until the lower end of the connecting column 4 and the lower plate 3 fit together, the auxiliary base can be quickly assembled as a whole.

[0025] See also Figure 2-Figure 5In this embodiment, the left end of the knob 8 extends to the inner side of the transmission compartment 7 and is fixedly installed with a bevel gear 1 81. The upper and lower ends of the worm 9 are rotatably connected to the inner side of the transmission compartment 7. The lower end of the worm 9 is fixedly installed with a bevel gear 2 91. The bevel gear 2 91 and the bevel gear 1 81 are meshed with each other. The worm wheel 10 and the worm 9 are meshed with each other. The left and right sides of the rotating seat 11 are rotatably connected to the inner side of the transmission compartment 7. A movable groove is provided on the front side of the transmission compartment 7. The front end of the rotating seat 11 extends to the outside of the transmission compartment 7 through the movable groove and is fixedly connected to the zoom searchlight 12. The surface of the control module 13 is provided with a switch and a charging interface. A rechargeable lithium battery pack 24 is provided on the inner side of the movable ring 2. The zoom searchlight 12, which can be The rechargeable lithium battery packs 24 are electrically connected to the control module 13. When in use, the lower plate 3 is fixed to the upper end of the tripod through the threaded hole 6, and then the level is leveled to perform measurement work. When leveling at night or in a tunnel, the zoom searchlight 12 is turned on by the control module 13, and the movable ring 2 is rotated to make the roller 21 roll together, driving the zoom searchlight 12 to rotate to the same vertical plane as the sighting axis, and adjusting the appropriate focal length according to the sight distance length. By turning the knob 8, the bevel gear 1 81 drives the bevel gear 2 91 and the worm 9 to rotate, and the worm gear 10 drives the rotating base 11 and the zoom searchlight 12 to rotate, thereby achieving fine adjustment of the zoom searchlight 12 and ensuring the accuracy of the leveling measurement.

[0026] When working, use bolts to fix the upper plate 1 to the instrument base, then assemble the movable ring 2 in the limiting ring 1 22 and the limiting ring 2 23, and thread the multiple connecting bolts 5 through the through holes 31 and the bolt holes 41 at the lower end of the connecting column 4 until the lower end of the connecting column 4 and the lower plate 3 fit together, so as to achieve the rapid assembly of the auxiliary base as a whole. When in use, fix the lower plate 3 to the upper end of the tripod through the threaded holes 6, and then level the level to carry out measurement work. It can be used at night or in a tunnel. During level measurement, the zoom searchlight 12 is turned on through the control module 13, and the movable ring 2 is rotated to make the roller 21 roll together, driving the zoom searchlight 12 to rotate to the same vertical plane as the sighting axis, and the appropriate focal length is adjusted according to the sight distance length. By turning the knob 8, the bevel gear 1 81 drives the bevel gear 2 91 and the worm 9 to rotate, and the worm gear 10 drives the rotating seat 11 and the zoom searchlight 12 to rotate, thereby achieving fine adjustment of the zoom searchlight 12 and ensuring the accuracy of level measurement.

[0027] Through the above steps, the upper plate 1 is fixed to the instrument base, and then the movable ring 2 is assembled in the limiting ring 1 22 and the limiting ring 2 23, and the connecting bolt 5 is threadedly connected to the bolt hole 41 until the lower end of the connecting column 4 and the lower plate 3 fit together to achieve the rapid assembly of the auxiliary base as a whole. When in use, the lower plate 3 is fixed to the upper end of the tripod through the threaded hole 6, and then the level is leveled to perform the measurement work. By rotating the movable ring 2 to make the roller 21 roll together, the zoom searchlight 12 is driven to rotate to the same vertical plane as the sighting axis, and the zoom searchlight 12 is adjusted according to the sighting distance length. Adjust the appropriate focal length, by turning the knob 8 to make the bevel gear 1 81 drive the bevel gear 2 91 and the worm 9 to rotate, and the worm gear 10 drives the rotating seat 11 and the zoom searchlight 12 to rotate, so as to achieve fine adjustment of the zoom searchlight 12, so as to solve the problem that the existing level measurement process requires sufficient light source for accurate reading. Therefore, when measuring at night or in a tunnel, it is necessary to add a light source to the barcode ruler or install lighting equipment on the top of the instrument, which can easily affect the accuracy of the level, and there are various styles of levels, and the installed lighting equipment is not universal.

Claims

1. A level auxiliary base with a built-in light source, comprising an upper plate (1), characterized in that: A movable ring (2) is provided at the lower end of the upper plate (1), rollers (21) are provided on the upper and lower sides of the movable ring (2), a lower plate (3) is provided at the lower end of the movable ring (2), a connecting column (4) is provided at the upper end of the lower plate (3), a bolt hole (41) is provided at the lower end of the connecting column (4), a connecting bolt (5) is provided at the lower end of the lower plate (3), a threaded hole (6) is provided on the surface of the lower plate (3), a transmission bin (7) is fixedly installed on the front side of the movable ring (2), a knob (8) is rotatably connected to the right side of the transmission bin (7), a worm (9) is provided on the inner side of the transmission bin (7), a worm wheel (10) is provided on the front side of the worm (9), a rotating seat (11) is fixedly installed on the outer side of the worm wheel (10), a zoom searchlight (12) is provided on the front side of the rotating seat (11), and a control module (13) is fixedly installed on the left side of the movable ring (2).

2. The level auxiliary base with built-in light source according to claim 1, characterized in that: A mounting hole is provided on the surface of the upper plate (1), a limiting ring (22) is provided at the upper end of the movable ring (2), the limiting ring (22) is fixedly connected to the lower end of the upper plate (1), and a limiting ring (23) is provided at the lower end of the movable ring (2), the limiting ring (23) is fixedly connected to the upper end of the lower plate (3).

3. The level auxiliary base with built-in light source according to claim 2, characterized in that: The upper and lower sides of the movable ring (2) are slidably connected to the limiting ring 1 (22) and the limiting ring 2 (23), and the rollers (21) are arranged in a ring array. The inner sides of the rollers (21) and the limiting ring 1 (22) and the limiting ring 2 (23) are adapted to each other.

4. The level auxiliary base with built-in light source according to claim 1, characterized in that: A through hole (31) is provided on the surface of the lower plate (3), and a connecting bolt (5) is arranged to pass through the through hole (31) from top to bottom. The upper end of the connecting bolt (5) is threadedly connected to the inner side of the bolt hole (41). The through hole (31), the connecting column (4), and the connecting bolt (5) are all arranged in a ring array. The upper end of the connecting column (4) is fixedly connected to the lower end of the upper plate (1), and the lower end of the connecting column (4) and the lower plate (3) are in contact with each other.

5. The level auxiliary base with built-in light source according to claim 1, characterized in that: The left end of the knob (8) extends to the inner side of the transmission chamber (7) and is fixedly mounted with a bevel gear 1 (81). The upper and lower ends of the worm (9) are rotatably connected to the inner side of the transmission chamber (7). The lower end of the worm (9) is fixedly mounted with a bevel gear 2 (91). The bevel gear 2 (91) and the bevel gear 1 (81) are meshed with each other, and the worm wheel (10) and the worm (9) are meshed with each other.

6. The level auxiliary base with built-in light source according to claim 1, characterized in that: The left and right sides of the rotating seat (11) are rotatably connected to the inner side of the transmission chamber (7), the front side of the transmission chamber (7) is provided with a movable groove, and the front end of the rotating seat (11) extends to the outer side of the transmission chamber (7) through the movable groove and is fixedly connected to the zoom searchlight (12).

7. The level auxiliary base with built-in light source according to claim 1, characterized in that: A switch and a charging port are provided on the surface of the control module (13), a rechargeable lithium battery pack (24) is provided on the inner side of the movable ring (2), and the zoom searchlight (12) and the rechargeable lithium battery pack (24) are electrically connected to the control module (13).