Bolt structure with anti-falling structure

Abstract

The invention discloses a bolt structure with an anti-disengaging structure, and relates to the technical field of bolts, the bolt structure with the anti-disengaging structure comprises an outer connecting pipe, the outer connecting pipe is of a tubular structure, two inner nuts are welded to the inner side of the outer connecting pipe, the two inner nuts are connected with an inner connecting pipe through threads, and the inner connecting pipe is connected with the outer connecting pipe through threads. The inner connecting pipe is tubular, and the bottom of the inner connecting pipe is sealed; an inner rotating rod is inserted into the inner side of an inner connecting pipe, the inner rotating rod is rotated, L-shaped connecting strips at the bottom of the inner rotating rod are clamped into a C-shaped fixing frame, the two L-shaped connecting strips are arranged in a mirror image mode, the inner rotating rod is rotated to drive the inner connecting pipe to rotate, the inner connecting pipe is connected with an inner nut on the inner side of an outer connecting pipe, and then the inner rotating rod is taken out; the clamping strip is connected with the C-shaped buckle in a clamped mode, so that the sealing cover and the outer connecting pipe are buckled tightly, it is guaranteed that the interior of the outer connecting pipe is not damaged, meanwhile, the sealing cover cannot be opened, and the bolt cannot be disengaged.

Description

Technical Field

[0001] The present invention specifically relates to the technical field of bolts, and in particular to a bolt structure with an anti-slip structure. Background Art

[0002] A lot of dust will be generated during the grinding process of the rods. Dust is the enemy of human health. Industrial dust and fiber dust can cause workers to suffer from various difficult-to-cure occupational diseases. Too much dust will also cause environmental pollution, affect people's normal life and work, and induce human respiratory diseases.

[0003] China Invention Publication Specification CN 102606608 A discloses an anti-drop bolt, which belongs to the technical field of mechanical parts for connection. An anti-drop slot is provided on the threaded rod, and an anti-drop stopper is provided at the front end of the anti-drop slot, near the free end of the thread; an anti-drop card is provided in the anti-drop slot, and an anti-drop card spring is provided at the bottom of the anti-drop card, which is an elastic metal sheet, one end of which is connected to the bottom of the anti-drop card, and the other end is a free end, and a gap is provided between the anti-drop card spring and the bottom of the anti-drop card;

[0004] The above-mentioned anti-slip bolt, after long-term use, has no external protection and is easily corroded after being eroded by rainwater, which may cause the anti-slip spring to break and cause damage to the bolt. For this reason, we provide a bolt structure with an anti-slip structure, in which the external connecting tube and the clamped cover on the outside can protect the interior and effectively prevent damage to the internal components. Summary of the invention

[0005] The object of the present invention is to provide a bolt structure with an anti-dropping structure to solve the problems raised in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A bolt structure with an anti-slip structure comprises an external connecting tube, the external connecting tube is a tubular structure, two internal nuts are welded on the inner side of the external connecting tube, the two internal nuts are connected to the internal connecting tube through threads, the internal connecting tube is tubular and has a sealed bottom.

[0008] As a further technical solution of the present invention, an inner rotating rod is arranged on the inner side of the inner connecting tube, and two L-shaped connecting strips are welded to the bottom of the inner rotating rod.

[0009] As a further technical solution of the present invention, the two L-shaped connecting strips are distributed in a mirror image, and a C-shaped fixing frame is sleeved on the outer side of the two L-shaped connecting strips, and the two C-shaped fixing frames are welded to the bottom of the inner connecting tube.

[0010] As a further technical solution of the present invention, a C-shaped clip is provided on the inner side of the external connecting tube. There are four C-shaped clips in total and they are evenly distributed on the inner side of the external connecting tube. The four C-shaped clips are connected to corresponding clip strips, and the four clip strips are welded to the bottom of the cover.

[0011] As a further technical solution of the present invention, the outer wall of the sealing cover has the same diameter as the outer wall of the external connecting pipe.

[0012] As a further technical solution of the present invention, the external connecting pipe is welded to the connecting object through the outer connecting legs.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention welds the connecting pins on the outer side of the outer connecting tube to the object to be connected, inserts the inner rotating rod into the inner side of the inner connecting tube, and rotates the inner rotating rod so that the L-shaped connecting strip at the bottom of the inner rotating rod is snapped into the C-shaped fixing frame. The two L-shaped connecting strips are arranged in a mirror image. Rotating the inner rotating rod will drive the inner connecting tube to rotate, connect the inner connecting tube with the inner nut on the inner side of the outer connecting tube, and then take out the inner rotating rod, and snap the clamping strip into the C-shaped buckle to fasten the cover to the outer connecting tube, thereby ensuring that the interior of the outer connecting tube is not damaged. At the same time, the cover cannot be opened, so that the bolt cannot be detached. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0016] Figure 2 The present invention Figure 1 main view.

[0017] Figure 3 The present invention Figure 2 Sectional view at AA.

[0018] In the figure: 1-external connecting tube, 2-connecting foot, 3-internal nut, 4-internal connecting tube, 5-internal rotating rod, 6-C-shaped fixing frame, 7-L-shaped connecting strip, 8-card strip, 9-sealing cover, 10-C-shaped buckle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-3In an embodiment of the present invention, a bolt structure with an anti-slip structure includes an external connecting tube 1, which is a tubular structure. Two internal nuts 3 are welded to the inner side of the external connecting tube 1. The two internal nuts 3 are threadedly connected to an internal connecting tube 4. The internal connecting tube 4 is tubular and has a sealed bottom.

[0021] In this embodiment, an inner rotating rod 5 is disposed inside the inner connecting tube 4 , and two L-shaped connecting strips 7 are welded to the bottom of the inner rotating rod 5 .

[0022] In this embodiment, the two L-shaped connecting strips 7 are distributed in a mirror image, and a C-shaped fixing frame 6 is sleeved on the outer side of the two L-shaped connecting strips 7 . The two C-shaped fixing frames 6 are welded to the bottom of the inner connecting tube 4 .

[0023] In this embodiment, a C-shaped clip 10 is provided on the inner side of the external connecting tube 1. There are four C-shaped clips 10 in total and they are evenly distributed on the inner side of the external connecting tube 1. The four C-shaped clips 10 are connected to corresponding clip strips 8, and the four clip strips 8 are welded to the bottom of the cover 9.

[0024] In this embodiment, the outer wall of the sealing cover 9 has the same diameter as the outer wall of the external connecting pipe 1 .

[0025] In this embodiment, the external connecting pipe 1 is welded to the connecting object through the outer connecting pins 2.

[0026] By adopting the above technical solution, the connecting foot 2 on the outside of the external connecting tube 1 is welded to the object to be connected, the inner rotating rod 5 is inserted into the inner side of the inner connecting tube 4, and the inner rotating rod 5 is rotated so that the L-shaped connecting strip 7 at the bottom of the inner rotating rod 5 is snapped into the C-shaped fixing frame 6. The two L-shaped connecting strips 7 are arranged in a mirror image. Rotating the inner rotating rod 5 will drive the inner connecting tube 4 to rotate, and connect the inner connecting tube 4 with the inner nut 3 on the inner side of the external connecting tube 1. Then the inner rotating rod 5 is taken out, and the sealing cover 9 is fastened to the external connecting tube 1 by snapping the clamping strip 8 with the C-shaped buckle 10, thereby ensuring that the interior of the external connecting tube 1 is not damaged. At the same time, the sealing cover 9 cannot be opened, so that the bolt cannot be detached.

[0027] The working principle of the present invention is: when in use, first weld the connecting foot 2 on the outside of the external connecting tube 1 to the object to be connected, insert the inner rotating rod 5 into the inner side of the inner connecting tube 4, and rotate the inner rotating rod 5 so that the L-shaped connecting strip 7 at the bottom of the inner rotating rod 5 is snapped into the C-shaped fixing frame 6. The two L-shaped connecting strips 7 are arranged in a mirror image. Rotating the inner rotating rod 5 will drive the internal connecting tube 4 to rotate, connect the internal connecting tube 4 with the inner nut 3 on the inside of the external connecting tube 1, and then take out the inner rotating rod 5. By snapping the clamping strip 8 with the C-shaped buckle 10, the sealing cover 9 is fastened to the external connecting tube 1, ensuring that the interior of the external connecting tube 1 is not damaged. At the same time, the sealing cover 9 cannot be opened, so that the bolt cannot be detached.

[0028] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bolt structure with an anti-slip structure, characterized in that: The invention comprises an external connecting tube (1), wherein the external connecting tube (1) is in a tubular structure, two internal nuts (3) are welded on the inner side of the external connecting tube (1), and the two internal nuts (3) are connected to an internal connecting tube (4) via threads, and the internal connecting tube (4) is in a tubular shape and has a sealed bottom.

2. A bolt structure with an anti-drop structure according to claim 1, characterized in that: An inner rotating rod (5) is arranged on the inner side of the inner connecting tube (4), and two L-shaped connecting strips (7) are welded to the bottom of the inner rotating rod (5).

3. The bolt structure with an anti-drop structure according to claim 2, characterized in that: The two L-shaped connecting strips (7) are distributed in a mirror image, and a C-shaped fixing frame (6) is sleeved on the outer side of the two L-shaped connecting strips (7), and the two C-shaped fixing frames (6) are welded to the bottom of the inner connecting pipe (4).

4. The bolt structure with an anti-drop structure according to claim 1, characterized in that: A C-shaped clip (10) is arranged on the inner side of the external connecting tube (1), and there are four C-shaped clips (10) in total, which are evenly distributed on the inner side of the external connecting tube (1). The four C-shaped clips (10) are connected to corresponding clip strips (8), and the four clip strips (8) are welded to the bottom of the cover (9).

5. The bolt structure with an anti-drop structure according to claim 4, characterized in that: The outer wall of the sealing cover (9) has the same diameter as the outer wall of the external connecting pipe (1).

6. The bolt structure with an anti-drop structure according to claim 1, characterized in that: The external connecting pipe (1) is welded to the connecting object via the outer connecting pins (2).

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