Constructional engineering measuring device

Abstract

The utility model provides a constructional engineering measuring device. The constructional engineering measuring device comprises a pendant, a cover plate and a wire spool, wherein the pendant head is provided with a mounting cavity; the cover plate is screwed in the mounting cavity, and a positioning block is arranged on the lower surface of the cover plate; the wire spool is rotatably arranged in the mounting cavity below the cover plate, the wire spool is provided with an operating rod which penetrates through the cover plate and is used for leading out a suspension wire, the top surface of the wire spool is provided with a positioning groove clamped with the positioning block, and a spring is compressed below the wire spool. The operating rod is rotated in a pressed state, so that the wire spool rotates below the cover plate, and the suspension wire can be stored.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a building engineering measuring device. BACKGROUND

[0002] A plummet, also known as a plumb bob, is a tool commonly used in building engineering to measure verticality, which includes a hanging line and a plummet head. The hanging line of a conventional plummet is fixedly connected to the plummet head and does not have the function of storing the hanging line in the plummet head, which brings certain inconvenience to use. Therefore, the present application provides a building engineering measuring device. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a building engineering measuring device which can store the hanging line in the plummet head.

[0004] The technical solution of the present application is as follows:

[0005] The present application provides a building engineering measuring device, which comprises a plummet head, a cover plate and a winding reel.

[0006] The plummet head has a mounting cavity.

[0007] The cover plate is screwed into the mounting cavity, and the lower surface of the cover plate is provided with a positioning block.

[0008] The winding reel is rotatably arranged in the mounting cavity below the cover plate, the winding reel has an operating rod for leading out the hanging line which penetrates through the cover plate, the top surface of the winding reel is provided with a positioning groove for clamping the positioning block, and a spring is compressed below the winding reel.

[0009] The technical solution of the present application is to rotate the operating rod in the pressed state, so that the winding reel rotates below the cover plate, and the storage of the hanging line can be completed.

[0010] In some implementations, the mounting cavity and the plummet head are coaxially arranged.

[0011] In some implementations, the axis of the cover plate is provided with a relief hole for the operating rod to pass through.

[0012] In some implementations, the positioning blocks are uniformly distributed along the circumference of the cover plate.

[0013] In some implementations, the positioning blocks are configured in a spherical shape.

[0014] In some implementations, the winding reel and the mounting cavity are coaxially arranged.

[0015] In some implementations, the operating rod and the winding reel are coaxially arranged.

[0016] In some implementations, the circumferential surface of the winding reel is provided with a storage groove for winding the hanging line.

[0017] In some implementations, the groove bottom of the receiving groove is provided with a wire hole arranged radially around the winding disc.

[0018] In some implementations, the axis of the operating rod is provided with an axle hole for leading out the hanging wire. BRIEF DESCRIPTION OF DRAWINGS

[0019] The exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the embodiments described below are only used to explain the present application, and are not used to limit the scope of the present application. In the drawings:

[0020] Fig. 1 is a schematic view of a construction engineering measuring device according to an embodiment of the present application;

[0021] Fig. 2 is an exploded view of a construction engineering measuring device according to an embodiment of the present application;

[0022] REFERENCE NUMERALS:

[0023] 10, plummet head; 11, mounting cavity;

[0024] 20, cover plate; 21, positioning block; 22, avoiding hole;

[0025] 30, winding disc; 31, positioning groove; 32, receiving groove; 33, operating rod; 34, axle hole; 35, spring;

[0026] 40, hanging wire. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0028] In the related art, the line plummet, also known as the plumb bob, is a commonly used tool for measuring verticality in construction engineering, which includes a hanging wire and a plummet head. The hanging wire of the traditional line plummet is fixedly connected with the plummet head, and does not have the function of storing the hanging wire into the plummet head, which brings certain inconvenience to use.

[0029] The present embodiment provides a construction engineering measuring device for measuring verticality in construction, which can store the hanging wire into the plummet head.

[0030] Please refer to Figs. 1-2The building engineering measuring device in the embodiment comprises a plummet head 10, a cover plate 20 and a winding disc 30; wherein the plummet head 10 has a mounting cavity 11; the cover plate 20 is screwed in the mounting cavity 11, and the lower surface of the cover plate 20 is provided with a positioning block 21; the winding disc 30 is rotatably arranged in the mounting cavity 11 below the cover plate 20, and the winding disc 30 has an operating rod 33 for leading out a hanging line 40 through the cover plate 20; the top surface of the winding disc 30 is provided with a positioning groove 31 for clamping the positioning block 21; and a spring 35 is compressed below the winding disc 30.

[0031] The technical scheme in the embodiment is adopted to rotate the operating rod 33 in the pressed state, so that the winding disc 30 is rotated below the cover plate 20, and the winding disc 30 can be accommodated.

[0032] In the embodiment, the plummet head 10 is integrally formed in a conical shape, the mounting cavity 11 is arranged on the upper end surface of the plummet head 10, and the mounting cavity 11 has an internal thread for threadedly connecting with the cover plate 20; the mounting cavity 11 is integrally arranged at the axis of the plummet head 10, and the mounting cavity 11 is formed in a circular shape.

[0033] In the embodiment, the cover plate 20 is integrally formed in a disc shape, the peripheral surface of the cover plate 20 is provided with an external thread for threadedly connecting with the internal thread in the mounting cavity 11; the cover plate 20 is coaxially arranged with the plummet head 10; a plurality of positioning blocks 21 are arranged on the lower surface of the cover plate 20, i.e. the surface facing the cavity bottom of the mounting cavity 11; the positioning blocks 21 are integrally formed in a spherical shape, and the cross section of the positioning blocks 21 is formed in an arc shape; the positioning blocks 21 protrude towards the lower surface of the cover plate 20; the positioning blocks 21 are uniformly distributed along the circumferential direction of the cover plate 20; the positioning blocks 21 are used for clamping the positioning groove 31 on the winding disc 30 to limit the rotation of the winding disc 30; and a relief hole 22 is arranged at the axis of the cover plate 20, the relief hole 22 is formed in a circular hole coaxially arranged with the cover plate 20, and the relief hole 22 is used for the operating rod 33 on the winding disc 30 to extend out.

[0034] In the embodiment, the winding reel 30 is configured in a cylindrical shape, the winding reel 30 is arranged coaxially with the mounting cavity 11, the winding reel 30 is arranged below the cover plate 20, the winding reel 30 is provided with a receiving groove 32 on the circumferential surface thereof, the receiving groove 32 is configured in an annular shape arranged coaxially with the winding reel 30, the receiving groove 32 is used for winding the hanging line 40, the winding reel 30 is provided with a positioning groove 31 corresponding to the positioning block 21 on the top surface thereof, i.e., the end surface facing the cover plate 20, the positioning groove 31 is configured in an arc-shaped groove, the positioning groove 31 is adapted to the shape of the positioning block 21, the positioning groove 31 is used for forming a clamping fit with the positioning block 21, the winding reel 30 is integrally formed with a cylindrical operating rod 33 on the top surface thereof, the operating rod 33 is arranged coaxially with the winding reel 30, the operating rod 33 is rotatably arranged in the avoiding hole 22 of the cover plate 20, as an example, the outer diameter of the operating rod 33 is equal to the diameter of the avoiding hole 22, the operating rod 33 is provided with a shaft hole 34 at the axis thereof for leading out the hanging line 40.

[0035] It should be noted that the winding reel 30 is provided with a counterbore at the lower end surface thereof, the counterbore is arranged coaxially with the winding reel 30, the counterbore is in position corresponding to the receiving groove 32, the receiving groove 32 is provided with a wire hole at the groove bottom thereof, the wire hole is arranged along the radial direction of the winding reel 30, the wire hole communicates the receiving groove 32 and the counterbore, one end of the hanging line 40 is bonded to the groove bottom of the receiving groove 32, after the hanging line 40 is wound in the receiving groove 32, the other end of the hanging line 40 is led out from the wire hole to the counterbore, and then led out from the shaft hole 34 of the operating rod 33.

[0036] It should be further noted that the spring 35 is compressed between the lower surface of the winding reel 30 and the cavity bottom of the mounting cavity 11, the spring 35 is in a compressed state, the elastic thrust of the spring 35 causes the winding reel 30 to have a movement tendency of moving towards the cover plate 20, so that the positioning block 21 on the cover plate 20 can form a clamping fit with the positioning groove 31 on the winding reel 30.

[0037] It should be understood that when the positioning block 21 and the positioning groove 31 form a clamping fit, the rotation of the winding reel 30 will be limited, at this time, the length of the hanging line 40 led out from the operating rod 33 is fixed; when the operating rod 33 is pressed inwardly so that the positioning groove 31 is disengaged from the positioning block 21, at this time, the spring 35 is further compressed, the winding reel 30 loses the circumferential limitation of the positioning block 21, at this time, the winding reel 30 can be rotated in the mounting cavity 11 below the cover plate 20 by rotating the operating rod 33 in the pressed state, so that the release or winding of the hanging line 40 can be realized.

[0038] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present application.

Claims

1. A construction surveying device, characterised in that, Include: The plummet, the plummet has the installation cavity; Cover, the cover is screwed in the installation cavity, the lower surface of the cover is equipped with the positioning block; The reel is rotatably provided in the installation cavity below the cover plate, the reel has an operating rod for leading out the hanging line through the cover plate, the top surface of the reel is equipped with a positioning groove for clamping the positioning block, and a spring is compressed below the reel.

2. The construction surveying device according to claim 1, wherein: The installation cavity and the plummet are coaxially arranged.

3. The construction surveying device according to claim 2, wherein: The axis of the cover plate is provided with a relief hole for the operating rod to pass through.

4. The construction surveying device according to claim 3, wherein: The positioning blocks are uniformly distributed along the circumference of the cover plate.

5. The construction surveying device according to claim 4, wherein: The positioning blocks are configured as spherical surfaces.

6. The construction surveying device according to claim 5, wherein: The reel is coaxially arranged with the installation cavity.

7. The construction surveying device according to claim 6, wherein: The operating rod is coaxially arranged with the reel.

8. The construction surveying device according to claim 7, wherein: The circumferential surface of the reel is provided with a receiving groove for winding the hanging line.

9. The construction surveying device according to claim 8, wherein: The groove bottom of the receiving groove is provided with a wire hole arranged radially along the reel.

10. The construction surveying device according to claim 9, wherein: The axis of the operating rod is provided with a shaft hole for leading out the hanging line.

Images