Hard hoop for adjustable rod

Abstract

The utility model discloses an adjustable hard hoop for a rod, and relates to the technical field of hard hoops for rods, the adjustable hard hoop for the rod comprises an upper hoop and a lower hoop, the middle position of the upper hoop and the middle position of the lower hoop are respectively provided with a groove, a first nut is installed in each groove, the middle position of each groove is provided with a through hole, a stud is installed at the position of each through hole, and the first nut and the second nut are arranged in the grooves. A gasket used in cooperation with the stud is placed at the through hole, and the outer wall of the stud is in threaded connection with a second nut. The device is provided with the first nut and the second nut, after the first nut and the second nut are tightened, the friction force between nut teeth and bolt teeth is increased through the axial force generated between the nuts, and therefore the nuts are prevented from automatically loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of hard clamps for poles, in particular to an adjustable hard clamp for poles. Background Art

[0002] There are many kinds of clamps, cable clamps, pole clamps, wire clamps, suspension wire clamps, and stainless steel clamps are all commonly used.

[0003] Patent "CN202321100408.7" proposes a cable clamp, in which the diameter adjustment component includes a rotating handle, the bottom of the rotating handle is fixedly connected to a threaded rod, the bottom of the threaded rod is movably connected to a rotating base, and the bottom of the rotating base is fixedly connected to an adjusting plate. The device is used in cable installation. The cable will shake due to the influence of the external environment. The shaking of the cable will cause the clamp as a whole to be subjected to shaking force. The bottom of the threaded rod in the patent is movably connected to the rotating base, and the threaded rod is threadedly connected to the first fastening plate. Therefore, during long-term use, the threaded rod will rotate due to the lack of a self-locking structure, which will cause the adjusting plate to fail to clamp the cable. Utility Model Content

[0004] The utility model aims to solve the above-mentioned problem and provides an adjustable hard clamp for a rod.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises an upper clamp and a lower clamp, the middle positions of the upper clamp and the lower clamp are both provided with a groove, a first nut is installed in the groove, a through hole is opened in the middle position of the groove, a stud is installed at the through hole, a washer used in conjunction with the stud is placed at the through hole, the outer wall of the stud is threadedly connected with a second nut, the two ends of the upper clamp and the lower clamp are respectively locked by a bolt and a nut, an arc pressure plate is rotatably provided at the lower end of the stud, the first nut is welded to the inside of the groove, the groove depth of the groove is less than half the thickness of the iron sheet, in actual application, the device is provided with a first nut and a second nut, after the first nut and the second nut are tightened, the axial force generated between the nuts increases the friction between the nut teeth and the bolt teeth, thereby preventing the nut from automatically loosening.

[0006] Furthermore, the outer walls of the upper clamp and the lower clamp are respectively provided with grooves for matching with washers, and bendable iron sheets are fixedly arranged on both sides of the washer. The washer and the iron sheet are integrated, so the grooves are also used in conjunction with the iron sheets. In actual applications, since the washer of the present device is provided with a bendable iron sheet and a groove for matching with the washer and the iron sheet, when the second nut is tightened with the upper clamp or the lower clamp, the second nut will press the washer into the groove. At this time, the iron sheet is bent so that the iron sheet is in contact with the side wall of the second nut, thereby preventing the second nut from rotating, and then preventing the nut from automatically loosening.

[0007] Furthermore, a connecting block is fixedly provided at the lower end of the stud, and the connecting block is composed of a cylinder and a cone. A connecting groove for cooperating with the connecting block is provided in the middle position of the arc-shaped pressure plate, and an extrusion groove is provided in the middle position of the connecting block. In actual application, because the extrusion groove is provided in the middle position of the connecting block, the arc-shaped pressure plate and the stud can be disassembled, thereby facilitating the staff to replace the arc-shaped pressure plate.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] 1. The device is provided with a first nut and a second nut. After the first nut and the second nut are tightened, the axial force generated between the nuts increases the friction between the nut teeth and the bolt teeth, thereby preventing the nut from automatically loosening.

[0010] 2. Since the washer of the device is provided with a bendable iron sheet and a groove for matching the washer and the iron sheet, when the second nut is pressed against the upper hoop or the lower hoop, the second nut will press the washer into the groove. At this time, the iron sheet is bent so that the iron sheet fits against the side wall of the second nut, thereby preventing the second nut from rotating and preventing the nut from loosening automatically. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is an overall schematic diagram of an adjustable hard clamp for a rod proposed by the utility model;

[0012] Figure 2 A schematic diagram of a gasket for an adjustable hard clamp for a rod proposed by the utility model;

[0013] Figure 3 The utility model is a schematic diagram of the bending of a washer of an adjustable hard clamp for a rod.

[0014] In the figure: 1, upper clamp; 101, through hole; 102, groove; 2, lower clamp; 3, stud; 301, connecting block; 4, arc mounting plate; 5, washer; 501, iron sheet; 6, second nut; 7, first nut. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0016] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0017] Reference Figure 1 and Figure 2 , an adjustable rod hard clamp, comprising an upper clamp 1 and a lower clamp 2, a groove 102 is provided in the middle position of the upper clamp 1 and the lower clamp 2, a first nut 7 is installed in the groove 102, a through hole 101 is opened in the middle position of the groove 102, a stud 3 is installed at the through hole 101, a washer 5 used in conjunction with the stud 3 is placed at the through hole 101, a second nut 6 is threadedly connected to the outer wall of the stud 3, the two ends of the upper clamp 1 and the lower clamp 2 are respectively locked by bolts and nuts, an arc pressure sheet 4 is rotatably provided at the lower end of the stud 3, the first nut 7 is welded to the inside of the groove 102, the groove depth of the groove 102 is less than half the thickness of the iron sheet 501, in practical applications, the device is provided with a first nut 7 and a second nut 6, after the first nut 7 and the second nut 6 are tightened, the axial force generated between the nuts increases the friction between the nut teeth and the bolt teeth, thereby preventing the nut from automatically loosening.

[0018] Reference Figure 2 and 3 Furthermore, the outer walls of the upper clamp 1 and the lower clamp 2 are respectively provided with grooves 102 for matching with the washer 5, and bendable iron sheets 501 are fixedly provided on both sides of the washer 5, and the washer 5 and the iron sheet 501 are integrated, so the groove 102 is also used in conjunction with the iron sheet 501. In actual applications, since the washer 5 of the present device is provided with a bendable iron sheet 501 and a groove 102 for matching with the washer 5 and the iron sheet 501 is also provided, when the second nut 6 is pressed against the upper clamp 1 or the lower clamp 2, the second nut 6 will press the washer 5 into the groove 102. At this time, the iron sheet 501 is bent so that the iron sheet 501 is in contact with the side wall of the second nut 6, thereby preventing the second nut 6 from rotating, and further preventing the nut from automatically loosening.

[0019] Reference Figure 3Furthermore, a connecting block 301 is fixedly provided at the lower end of the stud 3, and the connecting block 301 is composed of a cylinder and a cone. A connecting groove for cooperating with the connecting block 301 is provided in the middle position of the arc-shaped pressure piece 4, and an extrusion groove is provided in the middle position of the connecting block 301. In actual application, because the extrusion groove is provided in the middle position of the connecting block 301, the arc-shaped pressure piece 4 and the stud 3 can be disassembled, thereby facilitating the staff to replace the arc-shaped pressure piece 4.

[0020] Working principle: The device is provided with a first nut 7 and a second nut 6. After the first nut 7 and the second nut 6 are tightened, the axial force generated between the nuts increases the friction between the nut teeth and the bolt teeth, thereby preventing the nut from automatically loosening;

[0021] Since the washer 5 of the present device is provided with a bendable iron sheet 501 and a groove 102 for matching the washer 5 and the iron sheet 501, when the second nut 6 is pressed against the upper clamp 1 or the lower clamp 2, the second nut 6 will press the washer 5 into the groove 102. At this time, the iron sheet 501 is bent so that the iron sheet 501 fits against the side wall of the second nut 6, thereby preventing the second nut 6 from rotating and further preventing the nut from automatically loosening.

[0022] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An adjustable hard clamp for a pole, characterized in that: The invention comprises an upper clamp (1) and a lower clamp (2), wherein a groove (102) is arranged in the middle of each of the upper clamp (1) and the lower clamp (2), a first nut (7) is installed in the groove (102), a through hole (101) is opened in the middle of the groove (102), a stud (3) is installed at the through hole (101), a washer (5) used in conjunction with the stud (3) is placed at the through hole (101), a second nut (6) is threadedly connected to the outer wall of the stud (3), the two ends of the upper clamp (1) and the lower clamp (2) are locked by bolts and nuts respectively, and a circular arc pressure plate (4) is rotatably arranged at the lower end of the stud (3).

2. The adjustable rod clamp according to claim 1, characterized in that: The outer walls of the upper clamp (1) and the lower clamp (2) are respectively provided with grooves (102) for use with the gasket (5).

3. The adjustable rod clamp according to claim 2, characterized in that: Bendable iron sheets (501) are fixedly arranged on both sides of the gasket (5).

4. The adjustable rod clamp according to claim 1, characterized in that: A connecting block (301) is fixedly provided at the lower end of the stud (3), and the connecting block (301) is composed of a cylinder and a cone. A connecting groove for matching the connecting block (301) is provided in the middle of the arc-shaped pressing plate (4).

5. The adjustable rod clamp according to claim 4, characterized in that: An extrusion groove is provided in the middle of the connecting block (301).

6. The adjustable rod clamp according to claim 3, characterized in that: The groove depth of the groove (102) is less than half the thickness of the iron sheet (501).

7. The adjustable rod clamp according to claim 3, characterized in that: The first nut (7) is welded to the inside of the groove (102).

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