Line pendant for construction
By designing a linkage shaft, ratchet, and limit mechanism, the problem of inconvenience in manually rewinding the plumb bob after use is solved, realizing automatic line laying and rewinding, and improving the convenience and maintainability of construction plumb bobs.
Patent Information
- Application Number
- CN202422749333.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In existing technologies, the nylon rope needs to be manually wound up after the plumb line is used, which is inconvenient.
A construction plumb bob was designed, which uses a linkage shaft, ratchet, and limit mechanism to achieve automatic line feeding and rewinding. The ratchet and limit mechanism work together to ensure the stability of the nylon rope during the feeding process. After use, it is automatically rewound. The linkage shaft and rewinding reel are designed separately for easy disassembly and maintenance.
It achieves stability and automatic winding of nylon rope during the unwinding process, reduces the trouble of manual operation, improves ease of use, and facilitates inspection and maintenance.
Smart Images

Figure CN223856480U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building construction, more particularly to a line plummet for construction. BACKGROUND
[0002] Line plummet refers to a conical object cast from metal, mainly used for verticality measurement of objects, and is commonly seen in building engineering. In actual building use, verticality measurement of multiple surfaces of a building is often required.
[0003] The line plummet in the prior art is usually wound on a winding drum, and manual winding is required after use, which is inconvenient to use.
[0004] Therefore, we provide a line plummet for construction to solve the above problems. UTILITY MODEL CONTENTS
[0005] 1. Technical problem to be solved
[0006] In view of the problems in the prior art, the purpose of the utility model is to provide a line plummet for construction, which solves the problem that the line plummet in the prior art is usually wound on a winding drum, and manual winding is required after use, which is inconvenient to use.
[0007] 2. Technical scheme
[0008] To solve the above problems, the utility model adopts the following technical scheme.
[0009] A line plummet for construction comprises a shell, the inner wall of the shell is fixedly connected with a coil spring, one end of the coil spring is fixedly connected with a linkage shaft, one end of the linkage shaft is fixedly connected with a bearing, the linkage shaft is rotatably connected to the inner wall of the shell through the bearing, the outer circumferential surface of the linkage shaft is provided with a winding disc, one side of the winding disc is fixedly connected with a ratchet wheel, the outer circumferential surface of the winding disc is connected and wound with a nylon rope, one end of the nylon rope penetrates through the shell and is fixedly connected with a taper block, the outer circumferential surface of the shell is provided with a limiting mechanism, one end of the limiting mechanism is matched with the ratchet wheel, and one side of the shell is provided with a sealing cover.
[0010] Further, the limiting mechanism comprises a connecting rod, a spring and a clamping block, the connecting rod penetrates through the outer circumferential surface of the shell, one end of the connecting rod is fixedly connected with the spring, one end of the spring is fixedly connected with the outer circumferential surface of the shell, and one end of the connecting rod is fixedly connected with the clamping block.
[0011] Further, the outer circumferential surface of the linkage shaft is fixedly connected with a connecting key, a through hole is formed in the center of the winding disc, a key groove is formed in the inner wall of the through hole, the linkage shaft penetrates through the winding disc through the through hole, and the connecting key is matched with the key groove.
[0012] Further, four bolts are penetrated through the sealing cover, four thickened areas are arranged on the inner wall of the shell, threaded holes are formed on the surfaces of the four thickened areas, and the bolts are in threaded connection with the threaded holes.
[0013] Further, the outer circumferential surface of the winding disc is fixedly connected with a tether ring.
[0014] 3. Beneficial effects
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] (1) When the conical block is pulled to pay out the nylon rope, the nylon rope drives the winding disc to rotate in the process of paying out, the rotating winding disc drives the coil spring to continuously accumulate elastic potential energy in cooperation with the linkage shaft, the ratchet on one side of the winding disc also rotates synchronously in the process of rotating the winding disc, the rotating ratchet is always clamped by the limiting mechanism, the ratchet cannot reversely rotate, therefore, the winding disc cannot reversely rotate, and thus the nylon rope can be kept stable at the required length when paying out, which is convenient for personnel to operate and use.
[0017] (2) After the whole measuring line plummet is used, the connecting rod is pulled upward, the clamping block is separated from the ratchet, then the coil spring can automatically wind the nylon rope in cooperation with the winding disc, personnel do not need to spend time and effort to wind the nylon rope, which is further convenient for personnel to operate and use.
[0018] (3) The linkage shaft and the winding disc are designed in a split type, linkage between the linkage shaft and the winding disc is realized through the connecting key and the key groove, normal use function is met, the winding disc can be conveniently disassembled, the whole measuring line plummet can be finely disassembled, and personnel can conveniently overhaul and maintain. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the whole utility model;
[0020] Figure 2 It is a structural schematic view of the whole utility model disassembled;
[0021] Figure 3 It is a structural schematic view of the whole utility model; Figure 2 It is an enlarged structural schematic view of position A in the whole utility model;
[0022] Figure 4 It is a structural schematic view of the winding disc of the whole utility model.
[0023] Explanation of reference numerals in the drawing:
[0024] 1, shell; 101, thickening area; 102, threaded hole; 2, coil spring; 3, linkage shaft; 301, connecting key; 4, bearing; 5, winding disc; 501, through hole; 502, key groove; 503, tether ring; 6, ratchet wheel; 7, nylon rope; 701, taper block; 8, limiting mechanism; 801, connecting rod; 802, spring; 803, clamping block; 9, sealing cover; 901, bolt; 901, DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0026] Embodiment
[0027] As shown in Figures 1-4 A line sink for construction, comprising a shell 1, the inner wall of the shell 1 is fixedly connected with a coil spring 2, one end of the coil spring 2 is fixedly connected with a linkage shaft 3, one end of the linkage shaft 3 is fixedly connected with a bearing 4, the linkage shaft 3 is rotatably connected to the inner wall of the shell 1 through the bearing 4, the outer circumference of the linkage shaft 3 is provided with a winding disc 5, one side of the winding disc 5 is fixedly connected with a ratchet wheel 6, the outer circumference of the winding disc 5 is connected and wound with a nylon rope 7, one end of the nylon rope 7 penetrates through the shell 1 and is fixedly connected with a taper block 701, the outer circumference of the shell 1 is provided with a limiting mechanism 8, one end of the limiting mechanism 8 matches the ratchet wheel 6, one side of the shell 1 is provided with a sealing cover 9.
[0028] When the taper block 701 is pulled to pay out the nylon rope 7, the nylon rope 7 will drive the winding disc 5 to rotate in the process of paying out, the rotating winding disc 5 cooperates with the linkage shaft 3 to drive the coil spring 2 to continuously accumulate elastic potential energy, in the process of rotating the winding disc 5, the ratchet wheel 6 on one side thereof also rotates synchronously, the rotating ratchet wheel 6 will be clamped by the limiting mechanism 8 all the time, the ratchet wheel 6 will not be able to rotate reversely, therefore, the winding disc 5 will also not be able to rotate reversely, and further, the nylon rope 7 can remain stable at the required length when paying out, which is convenient for personnel to operate and use.
[0029] As shown in Figures 2-3 The limiting mechanism 8 comprises a connecting rod 801, a spring 802 and a clamping block 803, the connecting rod 801 penetrates through the outer circumference of the shell 1, one end of the connecting rod 801 is fixedly connected with the spring 802, one end of the spring 802 is fixedly connected with the outer circumference of the shell 1, and one end of the connecting rod 801 is fixedly connected with the clamping block 803.
[0030] In use, after the whole line drop is used, the connecting rod 801 is pulled upward, so that the clamping block 803 is separated from the ratchet wheel 6, and then the winding spring 2 cooperates with the winding disc 5 to automatically wind the nylon rope 7, without the need for personnel to spend time and effort to wind the nylon rope 7, further facilitating personnel operation and use.
[0031] As shown in Figure 2 , the outer circumference of the linkage shaft 3 is fixedly connected with a connecting key 301, and the center of the winding disc 5 is provided with a through hole 501, and the inner wall of the through hole 501 is provided with a key groove 502, and the linkage shaft 3 penetrates through the winding disc 5 through the through hole 501, and the connecting key 301 matches with the key groove 502.
[0032] In use, the linkage shaft 3 and the winding disc 5 are designed in a split type, and the linkage between the linkage shaft 3 and the winding disc 5 is realized through the connecting key 301 and the key groove 502, which not only meets the normal use function, but also facilitates the disassembly of the winding disc 5 and the detailed disassembly of the whole measuring line drop, facilitating personnel maintenance and maintenance.
[0033] As shown in Figure 2 , four bolts 901 penetrate the sealing cover 9, and four thickened areas 101 are arranged on the inner wall of the shell 1, and the surfaces of the four thickened areas 101 are provided with threaded holes 102, and the threaded connection is formed between the bolts 901 and the threaded holes 102.
[0034] In use, the stability of the sealing cover 9 after installation is ensured through the four bolts 901, and at the same time, the sealing cover 9 can be disassembled by removing the bolts 901 when necessary, so that the internal repair and replacement can be realized, and the threaded connection between the bolts 901 and the shell 1 is realized through the thickened area 101.
[0035] As shown in Figure 4 , the outer circumference of the winding disc 5 is fixedly connected with a rope ring 503.
[0036] In use, the nylon rope 7 can pass through the rope ring 503 and be fixed on the outer circumference of the winding disc 5 in a knot tying manner, which is simple in operation and stable in connection.
[0037] In summary, the specific working process of the scheme is: when the tapered block 701 is pulled to pay out the nylon rope 7, the nylon rope 7 will drive the winding disc 5 to rotate in the process of paying out, and the rotating winding disc 5 cooperates with the linkage shaft 3 to drive the winding spring 2 to continuously accumulate elastic potential energy, and in the process of rotating the winding disc 5, the ratchet wheel 6 on one side also rotates synchronously, and the rotating ratchet wheel 6 is always clamped by the limiting mechanism 8, so the ratchet wheel 6 cannot be reversely rotated, therefore, the winding disc 5 also cannot be reversely rotated, and thus the nylon rope 7 can be kept stable at the required length when paying out, facilitating personnel operation and use.
[0038] Wherein, after the whole online falls to use, the connecting rod 801 is pulled upward, so that the clamping block 803 is separated from the ratchet wheel 6, then the coil spring 2 cooperates with the winding disc 5 to automatically wind the nylon rope 7, without personnel time-consuming and labor-consuming winding the nylon rope 7, further convenient personnel operation uses.
[0039] The above is only the preferred specific implementation of the present application; but the protection scope of the present application is not limited to this. Any skilled person in the art within the technical range disclosed by the present application, according to the technical scheme and the improvement concept of the present application, is equivalent to replace or change, which should be covered in the protection scope of the present application.
Claims
1. A construction line dropper comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a coil spring (2), one end of the coil spring (2) is fixedly connected with a linkage shaft (3), one end of the linkage shaft (3) is fixedly connected with a bearing (4), the linkage shaft (3) is rotatably connected to the inner wall of the shell (1) through the bearing (4), the outer circumference of the linkage shaft (3) is provided with a winding disc (5), one side of the winding disc (5) is fixedly connected with a ratchet (6), the outer circumference of the winding disc (5) is connected and wound with a nylon rope (7), one end of the nylon rope (7) penetrates through the shell (1) and is fixedly connected with a taper block (701), the outer circumference of the shell (1) is provided with a limiting mechanism (8), one end of the limiting mechanism (8) matches the ratchet (6), one side of the shell (1) is provided with a sealing cover (9).
2. A line sinker for use in construction as claimed in claim 1, wherein: The limiting mechanism (8) comprises a connecting rod (801), a spring (802) and a clamping block (803), the connecting rod (801) penetrates the outer circumference of the shell (1), one end of the connecting rod (801) is fixedly connected with the spring (802), one end of the spring (802) is fixed to the outer circumference of the shell (1), one end of the connecting rod (801) is fixedly connected with the clamping block (803).
3. A line sinker for use in construction as claimed in claim 1, wherein: The outer circumference of the linkage shaft (3) is fixedly connected with a connecting key (301), the center of the winding disc (5) is provided with a through hole (501), the inner wall of the through hole (501) is provided with a key groove (502), the linkage shaft (3) penetrates the winding disc (5) through the through hole (501), the connecting key (301) matches the key groove (502).
4. The line sinker for construction use according to claim 1, characterized by: Four bolts (901) penetrate the sealing cover (9), four thickening areas (101) are arranged on the inner wall of the shell (1), threaded holes (102) are arranged on the surfaces of the four thickening areas (101), and the bolts (901) and the threaded holes (102) are in threaded connection.
5. The line sinker for construction use according to claim 1, characterized by: The outer circumference of the winding disc (5) is fixedly connected with a tether ring (503).