Hand wheel type disc buckle frame nut adjusting tool

Abstract

The utility model relates to a hand wheel type disc buckle frame nut adjusting tool. In order to overcome the defects in the prior art, the utility model provides the hand wheel type disc buckle frame nut adjusting tool which does not need to be charged and can be used infinitely and continuously. The hand wheel type disc buckle frame nut adjusting tool comprises a hand wheel ring and a taper-pipe-shaped clamping sleeve, the axes of the hand wheel ring and the taper-pipe-shaped clamping sleeve coincide, a plurality of connecting rods are arranged between the hand wheel ring and the taper-pipe-shaped clamping sleeve, and the diameter of the small end of a center hole of the taper-pipe-shaped clamping sleeve is smaller than the diameter of the outer edge of a matched disc buckle frame nut and smaller than the diameter of the large end of the center hole of the taper-pipe-shaped clamping sleeve. Clamping grooves are symmetrically formed in the two sides of the large end of the taper-pipe-shaped clamping sleeve respectively, and two clamping arms on a disc buckle frame nut to be adjusted can be clamped into the clamping grooves in a one-to-one correspondence mode. The hand wheel type nut adjusting tool for the disc buckle frame is convenient, fast, labor-saving, free of electricity and suitable for being used in a construction site.

Description

Technical Field

[0001] The utility model relates to a hand wheel type disc buckle frame nut adjusting tool. Background Art

[0002] The disc-type formwork support frame has strong bearing capacity, high installation and disassembly efficiency, can save labor, improve construction speed, and has strong stability. It is widely used in construction. According to Article 7.4.2 of the "Safety Technical Standard for Socket-type Disc-type Steel Pipe Scaffolding in Construction" (JGJ / T 231-2021), the support frame should be set up according to the placement of the adjustable base according to the vertical pole. During the installation and disassembly of the disc-type frame, the adjustable nuts of the base have a large number of loading and unloading, and the manual loading and unloading speed is slow.

[0003] A Chinese utility model with announcement number CN 217924807 U, published on November 29, 2022, discloses a buckle frame support adjustable nut callback device, the buckle frame support applicable to which comprises a screw rod (8) and an adjustable nut (7), a wrench (1), a sleeve (2) adapted to the wrench (1), at least two connecting rods (3), a semicircular sleeve (4) and a central shaft (5), wherein the rear end of the connecting rod (3) is fixedly connected to the sleeve (2), and the sleeve (2) is fixedly connected to the rear end of the central shaft (5); the inner diameter of the semicircular sleeve (4) matches the outer diameter of the screw rod (8), the front part of the connecting rod (3) is fixedly connected to the semicircular sleeve (4), the connection is close to the front end of the connecting rod (3) and extends forward for a section, the extended section is used to drive the adjustable nut (7) to callback, and the outer diameter of the central shaft (5) is smaller than the inner diameter of the screw rod (8). The utility model can improve the nut callback and cleaning efficiency.

[0004] During operation, the worker clamps the exposed front end of the connecting rod 3 on the adjustable nut 8, inserts the alloy steel shaft 6 of the rechargeable impact wrench 1 into the sleeve 2 to ensure that it is firmly fixed, and inserts the front end of the center axis 5 into the screw 8 to ensure that there is no shaking during callback. The forward drilling and reverse drilling options of the rechargeable impact wrench are used to drive the sleeve 2 and the connecting rod 3 to rotate together, thereby driving the adjustable nut 7 to rotate, so that the adjustable nut can be screwed in or out on the screw 8, which is labor-saving and convenient.

[0005] The Chinese utility model with announcement number CN 219261704 U, announced on June 27, 2023, discloses a buckle rack adjustment device. The buckle rack adjustment device includes: an adjustment sleeve, the first end of which is provided with a fixing portion suitable for clamping a handheld adjustment nut; and a driving member, which is detachably connected to the second end of the adjustment sleeve. When adjusting the height of the buckle rack, the buckle rack adjustment device provided by the utility model first clamps the fixing portion on the handheld adjustment nut on the screw rod to be adjusted, and drives the adjustment sleeve to rotate through the driving member, so that the adjustment sleeve drives the held nut to move up and down in the axial direction of the screw rod, thereby achieving the height adjustment of the buckle rack. Compared with the traditional method of manually rotating the handheld adjustment nut one by one, the adjustment device reduces the workload of workers, reduces the work intensity, improves the adjustment speed, and reduces the adjustment cost.

[0006] Both of the above devices require a cordless impact wrench, which will run out of battery after long hours of work and require stopping for charging. Summary of the invention

[0007] The technical problem to be solved by the utility model is how to overcome the above-mentioned defects of the prior art and provide a hand wheel type buckle rack nut adjusting tool which does not need to be charged and can be used continuously and infinitely.

[0008] In order to solve the above technical problems, the handwheel type disc buckle rack nut adjustment tool includes a handwheel ring and a conical tubular ferrule, the center lines of the two coincide, and multiple connecting rods are arranged between the handwheel ring and the conical tubular ferrule, the small end diameter of the center hole of the conical tubular ferrule is less than the outer edge diameter of the matching disc buckle rack nut < the large end diameter of the center hole of the conical tubular ferrule, and symmetrical card grooves are respectively opened on both sides of the large end of the conical tubular ferrule, and the two card arms on the disc buckle rack nut to be adjusted can be inserted into the card grooves one by one.

[0009] The nut of the buckle rack to be adjusted is screwed on the screw with the base. When adjustment is required, the conical tube-shaped clamping sleeve of the handwheel-type buckle rack nut adjustment tool is put on the buckle rack nut to be adjusted, so that the upper outer edge of the buckle rack nut is clamped on the inner wall of the center hole of the conical tube-shaped clamping sleeve, and the two clamping arms on the buckle rack nut to be adjusted are clamped into the clamping groove one by one, as shown in FIG. Figure 4 Then quickly turn the handwheel ring forward or backward by hand. When the handwheel ring reaches a certain speed, the handwheel ring can be loosened. By using the inertia, the handwheel type buckle frame nut adjustment tool can drive the buckle frame nut to be adjusted to be quickly screwed up or down on the screw rod until the buckle frame nut is adjusted to an appropriate height. This design is convenient, fast, labor-saving and does not require electricity.

[0010] As an optimization, the conical ferrule is located above the radial bisector of the handwheel ring. This design has a low center of gravity and more stable rotation.

[0011] As an optimization, the projection of the slot on the cross section through the axis of the conical tube-shaped ferrule is larger at the bottom and smaller at the top, forming a trumpet-shaped shape. With this design, the cross section of the slot is larger at the outside and smaller at the inside, forming a trumpet-shaped shape, which is convenient for clamping on the corresponding clamp arm of the nut of the buckle frame.

[0012] The utility model discloses a hand wheel type disc buckle frame nut adjusting tool which is convenient, quick, labor-saving, and does not require electricity and is suitable for use in construction sites. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following is a further description of the hand wheel type disc buckle rack nut adjustment tool of the utility model in conjunction with the accompanying drawings:

[0014] Figure 1 It is a three-dimensional structural schematic diagram of an existing disc buckle frame nut;

[0015] Figure 2 It is a stereoscopic schematic diagram of the assembly of the existing disc buckle frame nut and the screw with a base;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the handwheel type disc buckle rack nut adjustment tool;

[0017] Figure 4 It is a schematic diagram of the use status of the handwheel type disc buckle rack nut adjustment tool.

[0018] In the figure: 1 is a hand wheel ring, 2 is a conical tube-shaped ferrule, 3 is a connecting rod, 4 is a clamping groove, 5 is a disc buckle frame nut, 6 is a clamping arm, 7 is a screw rod, and 8 is a base.

[0019] D1 is the diameter of the small end of the center hole of the tapered tube ferrule 2, D2 is the outer diameter of the matching disc buckle frame nut 5, and D3 is the diameter of the large end of the center hole of the tapered tube ferrule;

[0020] S1 is the radial bisector of the handwheel ring 1 (i.e., the bisector perpendicular to the axis of the handwheel ring);

[0021] S2 is the projection of the groove 4 on the cross section passing through the axial center line of the tapered tubular sleeve 2. DETAILED DESCRIPTION

[0022] Implementation method 1: Figure 3-4 As shown, the handwheel type disc nut adjustment tool includes a handwheel ring 1 and a conical tubular ferrule 2, the axis lines of the two coincide, and a plurality of connecting rods 3 are provided between the handwheel ring 1 and the conical tubular ferrule 2, the small end diameter D1 of the center hole of the conical tubular ferrule 2 is less than the outer edge diameter D2 of the matching disc nut 5, and the large end diameter D3 of the center hole of the conical tubular ferrule, and the two sides of the large end of the conical tubular ferrule 2 are symmetrically provided with card grooves 4, and the two card arms 6 on the disc nut 5 to be adjusted can be correspondingly inserted into the card grooves 4 one by one.

[0023] The conical sleeve 2 is located above the radial bisector S1 (i.e., the bisector perpendicular to the axis of the handwheel ring) of the handwheel ring 1. The projection S2 of the slot 4 on the cross section through the axis of the conical sleeve 2 is larger at the bottom and smaller at the top, forming a trumpet shape.

Claims

1. A hand wheel type disc buckle rack nut adjustment tool, characterized in that: It includes a handwheel ring and a conical tube ferrule, the axis lines of the two coincide, and a plurality of connecting rods are arranged between the handwheel ring and the conical tube ferrule, the diameter of the small end of the center hole of the conical tube ferrule is less than the outer edge diameter of the matching buckle frame nut < the diameter of the large end of the center hole of the conical tube ferrule, and symmetrical grooves are respectively provided on both sides of the large end of the conical tube ferrule, and the two clamping arms on the buckle frame nut to be adjusted can be clamped into the clamping grooves one by one.

2. The hand wheel type buckle rack nut adjustment tool according to claim 1, characterized in that: The conical ferrule is located above the radial bisecting plane of the handwheel ring.

3. The hand wheel type buckle rack nut adjusting tool according to claim 1, characterized in that: The projection of the clamping groove on the cross section passing through the axial center line of the conical tube-shaped clamping sleeve is larger at the bottom and smaller at the top, forming a trumpet-shaped shape.

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