An attached level vial for leveling tower rods

By designing an attached leveling bubble device and using clamps and screw systems to fix the leveling rod, the problem of easy displacement of the circular bubble on the traditional leveling rod is solved, achieving higher measurement accuracy and efficiency.

CN224681559UActive Publication Date: 2026-08-25NO 7 ENG CO OF CHINA RAILWAY NO 8 ENG GRP CO LTD +1
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Patent Information

Application Number
CN202522096560.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-08-25
Estimated Expiration
2035-09-29

AI Technical Summary

Technical Problem

Traditional leveling rods lack effective horizontal indication devices, and the circular level bubble is prone to deviation, affecting measurement accuracy.

Method used

An attached leveling bubble device was designed, including a first clamp, a second clamp, an adjusting screw, and a wing nut. It contacts the side of the leveling rod through the clamping surface and is fixed by a T-shaped level and a hook component to ensure the verticality of the leveling rod.

Benefits of technology

This effectively solved the problem of bubble offset, ensured the verticality of the leveling rod, and improved the accuracy of measurement results and work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224681559U_ABST
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Abstract

The utility model discloses a kind of attached horizontal bubble devices for leveling tower rod, including first fixture, second fixture and adjusting screw, the top of first fixture is provided with T-type level, the side of first fixture is provided with first clamping surface;The two sides of second fixture are respectively provided with mutually parallel connecting surface and second clamping surface, and second fixture is provided with the through hole of one end extending to connecting surface;One end of adjusting screw is pivoted in one end of first fixture, and the other end of adjusting screw is connected with adjusting nut for surface contact connecting surface after passing through through hole with screw thread connection.The utility model makes first clamping surface surface contact left side of leveling tower rod, then rotates adjusting screw and adjusts the position of second fixture on adjusting screw, to make second clamping surface surface contact right side of leveling tower rod, then tighten nut, to make T-type level firmly fixed on leveling tower rod, to solve the problem that traditional round bubble level is easy to deviate.
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Description

Technical Field

[0001] This utility model belongs to the field of engineering surveying technology, and in particular relates to an attached horizontal bubble device for a leveling rod. Background Technology

[0002] With my country's rapid economic development and comprehensive infrastructure construction, the importance of engineering construction quality has become increasingly prominent. In the construction process, leveling is a crucial link in elevation control, and its accuracy directly affects the overall quality of the project. Among these factors, the verticality of the leveling rod is a key factor determining the accuracy of elevation measurements.

[0003] In actual measurement, surveyors need to ensure the leveling rod is perfectly vertical, and then observers use a level instrument to read the scale on the rod to determine the elevation data of the measuring point. However, traditional leveling rods generally have a technical problem: most products are not equipped with a horizontal indicator. Even if a few leveling rods are equipped with a circular bubble level, the verticality of the leveling rod is often difficult to ensure during measurement due to the tendency of the bubble level itself to shift, thus affecting the accuracy of the measurement results. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, this invention provides an attached horizontal bubble device for leveling rods, which can solve the problem of easy deviation in traditional circular bubble leveling.

[0005] The objective of this utility model is achieved through the following technical solution: An attached leveling bubble device for a leveling rod, comprising: The first clamp has a T-shaped level on its top and a first clamping surface on one side. The second clamp has parallel connecting surfaces and a second snap-fit ​​surface on both sides, and a through hole extending to the connecting surface at one end. An adjusting screw is provided, with one end of which is pivotally connected to one end of the first clamp via a pivot, and the other end of the adjusting screw is threadedly connected to an adjusting nut for surface contact with the connecting surface after passing through a through hole; The first and second contact surfaces are used to contact the parallel left and right sides of the leveling rod, respectively. The axis of the pivot is perpendicular to the T-type level and parallel to the first contact surface.

[0006] The beneficial effects of adopting the above technical solution are as follows: the first clamping surface is in contact with the left side of the leveling rod, then the adjusting screw is rotated and the position of the second clamp on the adjusting screw is adjusted so that the second clamping surface is in contact with the right side of the leveling rod. After that, the nut is tightened so that the T-type level is firmly fixed to the leveling rod, thereby solving the problem of easy deviation of the traditional circular bubble level.

[0007] Furthermore, the axis of the through hole is perpendicular to the connecting surface, and the diameter of the through hole matches the major diameter of the adjusting screw.

[0008] The beneficial effects of adopting the above technical solution are as follows: This setting allows the second clamp to be accurately installed on the adjusting screw and prevents the adjusting screw from moving within the through hole of the second clamp.

[0009] Furthermore, a first hook portion and a second hook portion are respectively provided on the right side of the first clamp away from the pivot and the left side of the second clamp away from the through hole.

[0010] The beneficial effects of adopting the above technical solution are as follows: after tightening the nut, the first hook part and the second hook part can play a limiting role on the leveling rod behind it, so as to further prevent the leveling rod from falling off the front of the attached horizontal bubble device.

[0011] Furthermore, both the first hook and the second hook are used for line contact or surface contact of the front side of the leveling rod. The outer contour dimensions of the first clamp and the second clamp are the same, and the axis of the adjusting screw intersects perpendicularly with the axis of the pivot. The first hook portion is used to make the contact line or contact surface that contacts the front side of the leveling rod parallel to the axis of the pivot, and the second hook portion is used to make the contact line or contact surface that contacts the front side of the leveling rod parallel to the axis of the pivot.

[0012] The beneficial effects of adopting the above technical solution are as follows: After the attached level bubble device is fixed to the leveling rod, the first and second locking surfaces respectively contact the left and right sides of the leveling rod, and the first and second hooks also make line or surface contact with the front side of the leveling rod, so that the height direction of the leveling rod is the same as the axis direction of the pivot. Since the axis direction of the pivot is perpendicular to the T-type level, when the leveling rod is vertically erected, the bubbles in each level tube of the T-type level are centered. Based on this, the verticality of the leveling rod can be ensured during measurement by relying on the T-type level, thereby improving the accuracy of the measurement results.

[0013] Furthermore, the adjusting nut is set as a wing nut.

[0014] The beneficial effects of adopting the above technical solution are as follows: This setting allows for the use of the wing-shaped end on the wing nut for turning, thereby increasing the contact area between the fingers and improving the efficiency of manual tightening.

[0015] Furthermore, the first contact surface and the second contact surface are respectively provided with a first anti-slip layer and a second anti-slip layer.

[0016] The beneficial effects of adopting the above technical solution are: this setting effectively prevents the attached horizontal bubble device from shifting or slipping during operation.

[0017] Furthermore, both the first and second anti-slip layers are anti-slip mats.

[0018] Furthermore, the top of the first fixture is provided with a mounting hole for embedding a T-shaped level.

[0019] The beneficial effect of adopting the above technical solution is that the T-type level can be embedded and installed through the mounting hole.

[0020] Furthermore, the size of the mounting hole matches the size of the T-type level.

[0021] The beneficial effect of adopting the above technical solution is that this setting allows the T-type level to be accurately embedded in the mounting hole. Furthermore, the T-type level includes a first level tube and a second level tube, the length direction of the first level tube is perpendicular to the first locking surface, and the length direction of the second level tube is parallel to the first locking surface.

[0022] The beneficial effects of this utility model are as follows: Place the first clamping surface against the left side of the leveling rod, then rotate the adjusting screw and adjust the position of the second clamp on the adjusting screw so that the second clamping surface contacts the right side of the leveling rod. Then tighten the nut to firmly fix the T-type level to the leveling rod, thereby solving the problem of easy deviation of traditional circular bubble leveling. Attached Figure Description

[0023] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings. Wherein: Figure 1 A schematic diagram of the structure of this utility model is shown; In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0024] Figure label: 1. First clamp; 101. First clamping surface; 102. First hook part; 2. Pivot; 3. Adjusting screw; 4. Second clamp; 401. Connecting surface; 402. Through hole; 403. Second clamping surface; 404. Second hook part; 5. Adjusting nut; 6. Second anti-slip layer; 7. Leveling rod; 8. First anti-slip layer; 9. T-type level. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] This utility model provides an attached leveling bubble device for a leveling rod, which can be used to fix a telescopic leveling rod 7, such as... Figure 1 As shown, it includes: The first clamp 1 has a T-shaped level 9 on its top and a first clamping surface 101 on one side. The second clamp 4 has a connecting surface 401 and a second clamping surface 403 that are parallel to each other on both sides. The second clamp 4 has a through hole 402 that extends to the connecting surface 401 at one end. Adjusting screw 3, one end of which is pivotally connected to one end of the first clamp 1 via pivot 2, and the other end of the adjusting screw 3 is threadedly connected to an adjusting nut 5 for surface contact with the connecting surface 401 after passing through the through hole 402; The first contact surface 101 and the second contact surface 403 are respectively used to contact the parallel left and right sides of the leveling rod 7. The axis of the pivot 2 is perpendicular to the T-type level 9 and the axis of the pivot 2 is parallel to the first contact surface 101.

[0027] Understandably, the first contact surface 101 is brought into contact with the left side of the leveling rod 7, and then the adjusting screw 3 is rotated and the position of the second clamp 4 on the adjusting screw 3 is adjusted so that the second contact surface 403 is brought into contact with the right side of the leveling rod 7. After that, the nut is tightened so that the T-type level 9 is firmly fixed to the leveling rod 7, thereby solving the problem of easy deviation of the traditional circular bubble level.

[0028] It should be noted that the first clamp 1 and the second clamp 4 can adopt a complementary interlocking structure design; the second clamp 4 can slide on the adjusting screw 3 through the through hole 402, and move to the other side of the leveling rod 7 by rotating with the adjusting screw 3, so as to quickly adapt to and fix the leveling rod 7 of different specifications.

[0029] In one embodiment, the axis of the through hole 402 is perpendicular to the connecting surface 401, and the diameter of the through hole 402 matches the major diameter of the adjusting screw 3, so as to accurately install the second clamp 4 on the adjusting screw 3 and prevent the adjusting screw 3 from moving within the through hole 402 of the second clamp 4.

[0030] In one embodiment, a first hook portion 102 and a second hook portion 404 are respectively provided on the right side of the first clamp 1 away from the pivot 2 and the left side of the second clamp 4 away from the through hole 402.

[0031] Understandably, after tightening the nut, the first hook portion 102 and the second hook portion 404 can limit the leveling rod 7 on its rear side, so as to further prevent the leveling rod 7 from falling off the front of the attached horizontal bubble device.

[0032] In one embodiment, the first hook portion 102 and the second hook portion 404 are both used for line contact or surface contact with the front side of the leveling rod 7, the outer contour dimensions of the first clamp 1 and the second clamp 4 are the same, and the axis of the adjusting screw 3 intersects perpendicularly with the axis of the pivot 2. The first hook portion 102 is used to make a contact line or contact surface that contacts the front side of the leveling rod 7 parallel to the axis of the pivot 2, and the second hook portion 404 is used to make a contact line or contact surface that contacts the front side of the leveling rod 7 parallel to the axis of the pivot 2.

[0033] Understandably, after the attached bubble level is fixed to the leveling rod 7, the first contact surface 101 and the second contact surface 403 respectively contact the left and right sides of the leveling rod 7, and the first hook part 102 and the second hook part 404 also contact the front side of the leveling rod 7 in line or on the surface, so that the height direction of the leveling rod 7 is the same as the axial direction of the pivot 2. Since the axial direction of the pivot 2 is perpendicular to the T-type level 9, when the leveling rod 7 is vertically erected, the bubbles in the two level tubes of the T-type level 9 are centered. Based on this, the verticality of the leveling rod 7 can be ensured during measurement by relying on the T-type level 9, thereby improving the accuracy of the measurement results.

[0034] It should be noted that if the contact relationship between the first hook part 102 and the second hook part 404 and the leveling rod 7 is not considered, when installing this attached leveling bubble device, a precision installation device is required to keep the leveling rod 7 vertical. Furthermore, when fixing the attached leveling bubble device to the leveling rod 7, it is necessary to ensure that the bubbles in the two level tubes on the T-type level 9 are centered.

[0035] In one embodiment, the adjusting nut 5 is configured as a wing nut so that the wing end on the wing nut can be used for turning, thereby increasing the contact area of ​​the fingers and improving the manual tightening efficiency, so as to achieve the rapid installation and stable fixation of the attached horizontal bubble device.

[0036] In one embodiment, the first contact surface 101 and the second contact surface 403 are respectively provided with a first anti-slip layer 8 and a second anti-slip layer 6; the first anti-slip layer 8 and the second anti-slip layer 6 are both anti-slip pads; this arrangement is to effectively prevent the attached horizontal bubble device from shifting or slipping during operation.

[0037] In one embodiment, the top of the first clamp 1 is provided with a mounting hole for embedding the T-type level 9, the size of which matches the size of the T-type level 9; this is configured so that the T-type level 9 can be accurately installed on the top of the first clamp 1.

[0038] It should be noted that the mounting holes, the first snap-fit ​​surface 101, the second snap-fit ​​surface 403, the holes for mounting the pivot 2, the first hook portion 102 and the second hook portion 404 for contacting the contact line or contact surface of the front side of the leveling rod 7, etc., can all be processed by precision machining equipment to improve the installation accuracy of this attached leveling bubble device, thereby improving the measurement accuracy.

[0039] In one embodiment, the T-type level 9 includes a first level tube and a second level tube, the length direction of the first level tube being perpendicular to the first locking surface 101, and the length direction of the second level tube being parallel to the first locking surface 101.

[0040] In summary, this invention can quickly and organically combine the T-type level 9 with the leveling rod 7 to ensure the vertical accuracy of the leveling rod 7 during measurement; it adopts a universal design to adapt to leveling rods 7 of different specifications and facilitates rapid installation and fixing; in addition, this invention can be folded for storage, making it easy to transport and less prone to damage; at the same time, the overall structure of this invention is simple and reliable, which can significantly improve the working efficiency and measurement accuracy of leveling.

[0041] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] While specific embodiments of the present invention have been described herein with reference to them, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways different from those described in the original claims. It is also understood that features described in conjunction with individual embodiments can be used in other described embodiments.

Claims

1. An attached horizontal bubble leveling device for a leveling rod, characterized in that, include: The first clamp (1) is provided with a T-shaped level (9) on its top and a first clamping surface (101) on one side. The second clamp (4) has a connecting surface (401) and a second clamping surface (403) that are parallel to each other on both sides. The second clamp (4) has a through hole (402) that extends to the connecting surface (401) at one end. An adjusting screw (3) is provided. One end of the adjusting screw (3) is pivotally connected to one end of the first clamp (1) via a pivot (2). The other end of the adjusting screw (3) passes through the through hole (402) and is threadedly connected to an adjusting nut (5) for surface contact with the connecting surface (401). The first contact surface (101) and the second contact surface (403) are respectively used to contact the left and right sides of the leveling rod (7) which are parallel to each other. The axis of the pivot (2) is perpendicular to the T-type level (9) and the axis of the pivot (2) is parallel to the first contact surface (101).

2. The attached horizontal bubble device for a leveling rod according to claim 1, characterized in that, The axis of the through hole (402) is perpendicular to the connecting surface (401), and the diameter of the through hole (402) matches the major diameter of the adjusting screw (3).

3. The attached horizontal bubble device for a leveling rod according to claim 2, characterized in that, The first clamp (1) is provided with a first hook portion (102) on the right side away from the pivot (2) and the second clamp (4) is provided with a second hook portion (404) on the left side away from the through hole (402).

4. The attached horizontal bubble device for a leveling rod according to claim 3, characterized in that, The first hook portion (102) and the second hook portion (404) are both used for line contact or surface contact of the front side of the leveling rod (7). The outer contour dimensions of the first clamp (1) and the second clamp (4) are the same. The axis of the adjusting screw (3) intersects perpendicularly with the axis of the pivot (2). The first hook portion (102) is used to make a contact line or contact surface that contacts the front side of the leveling rod (7) parallel to the axis of the pivot (2), and the second hook portion (404) is used to make a contact line or contact surface that contacts the front side of the leveling rod (7) parallel to the axis of the pivot (2).

5. An attached horizontal bubble device for a leveling rod according to claim 1 or 2, characterized in that, The adjusting nut (5) is a wing nut.

6. The attached horizontal bubble device for a leveling rod according to claim 1, characterized in that, The first contact surface (101) and the second contact surface (403) are respectively provided with a first anti-slip layer (8) and a second anti-slip layer (6).

7. The attached horizontal bubble device for a leveling rod according to claim 6, characterized in that, Both the first anti-slip layer (8) and the second anti-slip layer (6) are anti-slip mats.

8. The attached horizontal bubble device for a leveling rod according to claim 1, characterized in that, The top of the first clamp (1) is provided with a mounting hole for embedding the T-shaped level (9).

9. The attached horizontal bubble device for a leveling rod according to claim 8, characterized in that, The size of the mounting hole matches the size of the T-type level (9).

10. The attached horizontal bubble device for a leveling rod according to claim 1, characterized in that, The T-type level (9) includes a first level tube and a second level tube. The length direction of the first level tube is perpendicular to the first locking surface (101), and the length direction of the second level tube is parallel to the first locking surface (101).