Perpendicularity detection device for constructional engineering

By using the design of the inverted conical plumb bob, the detachable connection between the external threaded sleeve and the connecting disc and rectangular rod, and the use of protective lines, the problem of the plumb bob being unable to be replaced after its threads are damaged is solved, enabling individual replacement of components and improving safety.

CN223727142UActive Publication Date: 2025-12-26DEZHOU SUWANG AGRICULTURAL SERVICES CO LTD
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Patent Information

Application Number
CN202520201589.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-26
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

When existing construction plumb bobs are damaged at the threaded connection, they must be discarded as a whole and cannot be replaced individually, resulting in waste of resources and safety hazards.

Method used

Design a verticality testing device for building engineering. It adopts an inverted conical plumb bob, an external threaded sleeve connected to a connecting plate by screws, an internal threaded cap with a wire hole and a connecting ring, a rectangular rod threadedly connected to the plumb bob, and a protective line tied to the connecting ring, so as to realize the individual replacement of each component and enhance safety.

Benefits of technology

This eliminates the need for separate replacement of discarded lead weights when threaded connections are damaged, reducing resource waste and improving safety and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a constructional engineering verticality detection device, which comprises a lead weight, the lead weight is of an inverted conical structure, the upper surface of the lead weight is provided with an external thread bushing, the lower end of the external thread bushing is fixedly connected with a connecting disc, the connecting disc is connected with the lead weight through a plurality of screws, the external thread bushing is in threaded connection with an internal thread cap, and the internal thread cap is in threaded connection with the lead weight. The upper surface of the internal thread cap is provided with a threading hole, a suspension wire is inserted in the threading hole, the lower end of the suspension wire is knotted to form a knot and then located in the external thread sleeve, and the outer surface of the internal thread cap is provided with a protection piece. The lead weight does not need to be abandoned when the threaded connection part is damaged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a building engineering perpendicularity detection device and belongs to the field of building. BACKGROUND

[0002] The building lead plummet (also known as plumb bob) is a common building tool, mainly used for perpendicularity detection and calibration. It is usually composed of a weight (such as lead, iron, etc.) and a hanging line, which ensures that the line is always perpendicular to the ground through the action of gravity, thereby helping construction personnel to determine the perpendicularity of structures such as walls and columns. The lead plummet is provided with an external thread sleeve, and an internal thread cap is threadedly connected to the external thread sleeve. After the end of the hanging line is knotted to form a knot and placed in the space formed by the internal thread cap and the external thread sleeve, the assembly of the hanging line and the lead plummet is completed. Since the external thread sleeve and the lead plummet are integrally formed, when the thread on the external thread sleeve is damaged, the installation of the internal thread cap is affected, and the lead plummet needs to be discarded. Therefore, it is necessary to design a building engineering perpendicularity detection device that does not need to discard the lead plummet when the threaded connection part is damaged. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a building engineering perpendicularity detection device to solve the problems raised in the background art. The utility model realizes the separate replacement of the threaded connection part, without the need to discard the lead plummet when the threaded connection part is damaged.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a building engineering perpendicularity detection device, comprising a lead plummet, the lead plummet is in an inverted conical structure, an external thread sleeve is arranged on the upper surface of the lead plummet, a connecting disc is fixedly connected to the lower end of the external thread sleeve, the connecting disc is connected to the lead plummet through a plurality of screws, an internal thread cap is threadedly connected to the external thread sleeve, a threading hole is formed in the upper surface of the internal thread cap, a hanging line is inserted into the threading hole, the lower end of the hanging line is knotted to form a knot and placed in the external thread sleeve, and a protective piece is mounted on the outer surface of the internal thread cap.

[0005] Further, the protective piece comprises a connecting ring, the connecting ring is fixedly connected to the internal thread cap and arranged on the upper surface of the connecting ring, a plurality of small holes are equidistantly formed in the ring shape on the upper surface of the connecting ring, and a protective line is tied in the small hole.

[0006] Further, a first fillet is processed at the upper edge of the small hole, and a second fillet is processed at the lower edge of the small hole.

[0007] Further, a third fillet is processed at the upper edge of the threading hole, and a fourth fillet is processed at the lower edge of the threading hole.

[0008] Further, the upper surface of the lead sinker is concave to form a circular groove, the depth of the circular groove is the same as the thickness of the connecting disc, the connecting disc is inserted into the circular groove, the upper surface of the connecting disc is annular and equidistantly provided with a plurality of circular holes, and the screw passes through the circular hole and is threadedly connected with the lead sinker.

[0009] Further, the outer surface of the upper end of the lead sinker is annular and equidistantly provided with a plurality of rectangular holes, the rectangular holes are arranged along the radial direction of the lead sinker, the rectangular holes are communicated with the circular groove, the rectangular rods are inserted into the rectangular holes, and the screw hole is formed in the end of the rectangular rod in the circular groove.

[0010] Further, the upper surface of the rectangular rod is provided with a strip-shaped opening, the strip-shaped opening is arranged along the length direction of the rectangular rod, and the end of the rectangular rod away from the screw hole is processed with an arc surface matched with the outer surface of the lead sinker.

[0011] The utility model discloses the beneficial effect of:

[0012] 1, utilize the screw and install the connecting disc on the lead sinker, complete the assembly of the outer thread sleeve and the lead sinker, when the thread on the surface of the outer thread sleeve is damaged, after the screw is removed, the damaged outer thread sleeve can be replaced alone, and the lead sinker does not need to be discarded when the threaded connection part is damaged.

[0013] 2, make the rectangular rod with the screw hole inserted into the rectangular hole, realize the assembly of the rectangular rod and the lead sinker, when the screw hole on the rectangular rod is damaged due to excessive torque, the rectangular rod can be replaced alone.

[0014] 3, the protection line is tied in the small hole on the connecting ring, when the suspension line is broken due to abrasion, the gravity of the lead sinker acts on the protection line in the initial state, realizes the secondary pulling of the lead sinker, prevents the lead sinker from falling randomly and causes the accident, and improves the safety. DRAWINGS

[0015] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 It is the structural schematic diagram of the utility model a kind of building engineering perpendicularity detection device;

[0017] Figure 2 It is the assembly schematic diagram of the utility model a kind of building engineering perpendicularity detection device rectangular rod and lead sinker;

[0018] Figure 3 It is the perspective view of the utility model a kind of building engineering perpendicularity detection device lead sinker;

[0019] Figure 4The utility model provides a building engineering perpendicularity detection device middle outer thread cover and the assembly drawing of connecting disc of assembly diagram,

[0020] Figure 5 The utility model provides a building engineering perpendicularity detection device middle connecting ring and the assembly drawing of inner thread cap,

[0021] Figure 6 The utility model provides a building engineering perpendicularity detection device middle rectangular rod's perspective view,

[0022] In the drawing: 1 - lead plummet, 2 - rectangular rod, 3 - protective line, 4 - connecting ring, 5 - inner thread cap, 6 - hanging line, 7 - screw, 8 - connecting disc, 9 - round groove, 10 - rectangular hole, 11 - outer thread cover, 12 - round hole, 13 - small hole, 14 - threading hole, 15 - screw hole, 16 - strip-shaped mouth. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Please refer to Figure 1 , Figure 4 and Figure 5 , the utility model provides a technical scheme: a building engineering perpendicularity detection device, including lead plummet 1, lead plummet 1 is inverted conical structure, and the upper surface of lead plummet 1 is equipped with outer thread cover 11, and the lower end of outer thread cover 11 is connected and fixed with connecting disc 8, and connecting disc 8 is connected with lead plummet 1 through a plurality of screws 7, and connecting disc 8 is installed on lead plummet 1 by using screw 7, the assembly of outer thread cover 11 and lead plummet 1 is completed, when the thread on the surface of outer thread cover 11 is damaged, damaged outer thread cover 11 can be replaced individually after screw 7 is removed, and lead plummet 1 does not need to be discarded when the thread connection part is damaged.

[0025] Please refer to Figure 1 and Figure 5 , and inner thread cap 5 is connected in the thread on outer thread cover 11, and threading hole 14 is formed in the upper surface of inner thread cap 5, and hanging line 6 is inserted into threading hole 14, and the lower end of hanging line 6 is knotted to form a knot in outer thread cover 11, and hanging line 6 cooperates with lead plummet 1, which facilitates the detection of the perpendicularity of wall body, column and other structures, the third round corner is processed at the inner upper edge of threading hole 14, the fourth round corner is processed at the inner lower edge of threading hole 14, and the design of third round corner and fourth round corner reduces the wear of hanging line 6.

[0026] Please refer to Figure 1 and Figure 5The inner threaded cap 5 is sleeved with a connecting ring 4 fixedly connected with the inner threaded cap 5, a plurality of small holes 13 are arranged on the upper surface of the connecting ring 4 in a ring shape at equal intervals, and a protective line 3 is tied in the small hole 13, the protective line 3 is tied in the small hole 13 on the connecting ring 4, when the lifting line 6 is broken due to wear, the gravity of the lead weight 1 acts on the protective line 3 which is not stressed in the initial state, the secondary pulling of the lead weight 1 is realized, the safety is improved, the first fillet is processed at the upper edge of the small hole 13, the second fillet is processed at the lower edge of the small hole 13, and the design of the first fillet and the second fillet reduces the wear of the protective line 3.

[0027] Referring to Figures 1-6 The upper surface of the lead weight 1 is concave downward to form a circular groove 9, the depth of the circular groove 9 is the same as the thickness of the connecting disc 8, the connecting disc 8 is inserted in the circular groove 9, a plurality of circular holes 12 are arranged on the upper surface of the connecting disc 8 in a ring shape at equal intervals, the screw 7 passes through the circular hole 12 and is threadedly connected with the lead weight 1, a plurality of rectangular holes 10 are arranged on the outer surface of the upper end of the lead weight 1 in a ring shape at equal intervals, the rectangular holes 10 are arranged along the radial direction of the lead weight 1, the rectangular holes 10 are communicated with the circular groove 9, the rectangular rod 2 is inserted in the rectangular hole 10, a threaded hole 15 is formed in one end of the rectangular rod 2 in the circular groove 9, the lower end of the screw 7 is threadedly connected in the threaded hole 15, a strip-shaped opening 16 is formed on the upper surface of the rectangular rod 2, the strip-shaped opening 16 is arranged along the length direction of the rectangular rod 2, an arc surface matched with the outer surface of the lead weight 1 is processed on the end of the rectangular rod 2 away from the threaded hole 15, the design of the arc surface facilitates the adaptation of the end of the rectangular rod 2 to the surface arc of the lead weight 1, the strip-shaped opening 16 is formed on the rectangular rod 2, the material cost of the rectangular rod 2 is reduced, the rectangular rod 2 with the threaded hole 15 is inserted in the rectangular hole 10, the assembly of the rectangular rod 2 and the lead weight 1 is realized, when the threaded hole 15 on the rectangular rod 2 is damaged due to excessive torque, the rectangular rod 2 can be replaced alone.

[0028] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A device for detecting the verticality of a construction work comprising a plumb bob (1), characterised in that: The lead weight (1) is inverted conical structure, the lead weight (1) upper surface is equipped with outer thread sleeve (11), the outer thread sleeve (11) lower end is connected with fixed connecting disc (8), the connecting disc (8) is connected with lead weight (1) through multiple screws (7), the outer thread sleeve (11) is threadedly connected with inner thread cap (5), the inner thread cap (5) upper surface is equipped with threading hole (14), the threading hole (14) is inserted with hanging line (6), the hanging line (6) lower end is knotted to form a knot and is in outer thread sleeve (11), the inner thread cap (5) outer surface is installed with protection piece.

2. The verticality detection device for construction engineering according to claim 1, characterized in that: The protection piece includes connecting ring (4), the inner thread cap (5) is equipped with connecting ring (4) connected with fixed inner thread cap (5), the connecting ring (4) upper surface is annular and is equipped with multiple small holes (13) equidistantly, the small hole (13) is tied with protection line (3).

3. The verticality detection device for construction engineering according to claim 2, characterized in that: The first fillet is processed at the upper edge in the small hole (13), and the second fillet is processed at the lower edge in the small hole (13).

4. The verticality detection device for construction engineering according to claim 1, characterized in that: The third fillet is processed at the upper edge in the threading hole (14), and the fourth fillet is processed at the lower edge in the threading hole (14).

5. The verticality detection device for construction engineering according to claim 1, characterized in that: The lead weight (1) upper surface is concave downward to form circular groove (9), the circular groove (9) depth is same with connecting disc (8) thickness, the connecting disc (8) is inserted in the circular groove (9), the connecting disc (8) upper surface is annular and is equipped with multiple circular holes (12) equidistantly, the screw (7) passes through the circular hole (12) and is threadedly connected with lead weight (1).

6. A device for detecting the perpendicularity of a construction work according to claim 5, characterized in that: The lead weight (1) upper end outer surface is annular and is equipped with multiple rectangular holes (10) equidistantly, the rectangular hole (10) is arranged along the radial direction of lead weight (1), the rectangular hole (10) is communicated with circular groove (9), the rectangular rod (2) is inserted in the rectangular hole (10), the screw hole (15) is formed at one end of the rectangular rod (2) in the circular groove (9), and the lower end of the screw (7) is threadedly connected in the screw hole (15).

7. A device for detecting the perpendicularity of a construction work according to claim 6, characterized in that: The rectangular rod (2) upper surface is equipped with strip-shaped mouth (16), the strip-shaped mouth (16) is arranged along the length direction of rectangular rod (2), and the rectangular rod (2) is away from the screw hole (15) one end and is processed with arc surface matched with the outer surface of lead weight (1).