Nut locking structure in deep hole

Abstract

The utility model discloses a nut anti-loosening structure in a deep hole, and relates to the technical field of nuts. The device comprises a deep pit part and an installation rod, a limiting disc is fixedly arranged at the bottom end of the installation rod, one side of the limiting disc is attached to the bottom end of the deep pit part, a first threaded groove is formed in the outer side of the installation rod, a second threaded groove is formed in the outer side of the installation rod, and the first threaded groove is matched with the second threaded groove. The outer side of the mounting rod is movably sleeved with a first nut, the inner side of the first nut is in threaded connection with the first threaded groove, and the outer side of the mounting rod is movably sleeved with a second nut. One end of the mounting rod is inserted into the deep-pit part in a penetrating mode, then the mounting rod is fixedly mounted on the deep-pit part through the second nut, and then the first nut is arranged on the mounting rod in a sleeving mode, so that the first nut tightly presses a damping rubber pad, an anti-skid pad and a gasket to limit the second nut; in this way, the situation that the nut is prone to loosening during installation can be avoided, and the purpose of improving stability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nuts, in particular to a nut anti-loosening structure in a deep hole. Background Art

[0002] A nut is a nut that is screwed together with a bolt or a screw to tighten. It is a component that all manufacturing machinery must use. According to the different materials, it is divided into several types, such as carbon steel, stainless steel, and non-ferrous metals (such as copper). The anti-loosening methods of nuts generally include fuses, stop washers, cotter pins, etc.

[0003] However, nuts in deep hole parts are often limited by space, and traditional loosening structures are often difficult to operate inside deep hole parts. Utility Model Content

[0004] In order to solve the problem of being difficult to operate due to space limitation, the utility model aims to provide a nut anti-loosening structure in a deep hole.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a nut anti-loosening structure in a deep hole, comprising a deep pit part and a mounting rod, the mounting rod is movably inserted at the bottom of the deep pit part, a limiting plate is fixedly provided at the bottom end of the mounting rod, one side of the limiting plate is in contact with the bottom end of the deep pit part, a first thread groove is provided on the outer side of the mounting rod, a second thread groove is provided on the outer side of the mounting rod, a first nut is movably sleeved on the outer side of the mounting rod, the inner side of the first nut is threadedly connected to the first thread groove, and a second nut is movably sleeved on the outer side of the mounting rod The second nut is located below the first nut, and the inner side of the second nut is threadedly connected to the second thread groove. A gasket is movably sleeved on the outer side of the mounting rod, and the gasket is located between the first nut and the second nut. A symmetrically distributed positioning rod is movably penetrated on the outer side of the gasket. One end of the mounting rod is inserted into the deep pit part, and then the second nut is sleeved on the mounting rod, and the mounting rod is fixedly installed on the deep pit part through the second thread groove, so that the first nut presses the gasket to limit the second nut, which can prevent the nut from being easily loosened during installation. The top of the second nut is provided with symmetrically distributed slots, and the bottom end of the positioning rod is inserted into the inside of the slot. The positioning rod can be conveniently inserted and positioned through the slot, thereby improving the stability of the positioning rod. The outer side of the positioning rod is movably provided with symmetrically distributed anti-skid pads, and the two anti-skid pads are located on both sides of the gasket. The anti-skid pads can reduce the slipping of the gasket and improve the stability of the gasket. The outer side of the positioning rod is movably provided with symmetrically distributed shock-absorbing rubber pads, and the two shock-absorbing rubber pads are located on the side opposite to each other of the two anti-skid pads. The shock-absorbing rubber pads can reduce the transmission of vibration, thereby preventing the nut from being easily loosened. The bottom end of the first nut is provided with an annular groove, and the top end of the positioning rod is movably inserted into the inside of the annular groove. The annular groove can make the first nut rotate on the positioning rod, thereby facilitating the rotation of the first nut. The thread directions of the first thread groove and the second thread groove are opposite and staggered with each other, so that the first nut and the second nut can be conveniently moved on the mounting rod. The outer diameters of the first nut and the second nut are smaller than the inner diameter of the deep pit part, so that the first nut and the second nut can be conveniently operated in the deep pit part.

[0006] Preferably, an auxiliary tube is provided on the outer movable sleeve of the mounting rod, the inner side of the auxiliary tube is threadedly connected to the first thread groove, the bottom end of the auxiliary tube is fixedly connected to the top end of the first nut, and the first nut is further positioned by installing the auxiliary tube on the mounting rod.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] By inserting one end of the mounting rod into the deep pit part, and then fixing the mounting rod on the deep pit part through the second nut, and then sleeved the first nut on the mounting rod, the first nut presses the shock-absorbing rubber pad, the anti-slip pad and the gasket to limit the second nut, which can avoid the nut from loosening during installation, thereby achieving the purpose of improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0010] Figure 1 It is a schematic diagram of the structure of the utility model.

[0011] Figure 2 It is a schematic diagram of the structural section of the utility model.

[0012] Figure 3 It is a cross-sectional schematic diagram of the first nut and its connection structure of the utility model.

[0013] In the figure: 1. deep pit part; 2. mounting rod; 3. first thread groove; 4. second thread groove; 5. first nut; 6. second nut; 7. gasket; 8. positioning rod; 9. slot; 10. anti-slip pad; 11. shock-absorbing rubber pad; 12. annular slide groove; 13. limit plate; 14. auxiliary pipe. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Example: Figure 1-3As shown, the utility model provides a nut anti-loosening structure in a deep hole, comprising a deep pit part 1 and a mounting rod 2, the mounting rod 2 is movably inserted at the bottom of the deep pit part 1, a limiting plate 13 is fixedly arranged at the bottom end of the mounting rod 2, one side of the limiting plate 13 is in contact with the bottom end of the deep pit part 1, a first thread groove 3 is provided on the outer side of the mounting rod 2, a second thread groove 4 is provided on the outer side of the mounting rod 2, a first nut 5 is movably sleeved on the outer side of the mounting rod 2, the inner side of the first nut 5 is threadedly connected with the first thread groove 3, a second nut 6 is movably sleeved on the outer side of the mounting rod 2, and the second nut 6 is located below the first nut 5, The inner side of the second nut 6 is threadedly connected with the second thread groove 4, and a gasket 7 is movably sleeved on the outer side of the mounting rod 2. The gasket 7 is located between the first nut 5 and the second nut 6. The outer side of the gasket 7 is movably penetrated with symmetrically distributed positioning rods 8. By inserting one end of the mounting rod 2 into the deep pit part 1, and then sleeved on the mounting rod 2, and fixing the mounting rod 2 on the deep pit part 1 through the second thread groove 4, the first nut 5 presses the gasket 7 to limit the second nut 6, so that the nut can be prevented from being easily loosened during installation. The top of the second nut 6 is provided with symmetrically distributed positioning rods 8. The bottom end of the positioning rod 8 is inserted into the slot 9, and the positioning rod 8 can be conveniently inserted and positioned through the slot 9 to improve the stability of the positioning rod 8. The outer side of the positioning rod 8 is provided with symmetrically distributed anti-skid pads 10, and the two anti-skid pads 10 are located on both sides of the gasket 7. The anti-skid pads 10 can reduce the slipping of the gasket 7 and improve the stability of the gasket 7. The outer side of the positioning rod 8 is provided with symmetrically distributed shock-absorbing rubber pads 11, and the two shock-absorbing rubber pads 11 are located on the opposite side of the two anti-skid pads 10. The shock-absorbing rubber pads 11 can reduce the transmission of vibration, thereby improving the stability of the gasket 7. In order to prevent the nut from loosening, an annular groove 12 is provided at the bottom end of the first nut 5, and the top end of the positioning rod 8 is movably inserted in the annular groove 12. The first nut 5 can be rotated on the positioning rod 8 through the annular groove 12, thereby facilitating the rotation of the first nut 5. The thread directions of the first thread groove 3 and the second thread groove 4 are opposite and staggered with each other, which can facilitate the movement of the first nut 5 and the second nut 6 on the mounting rod 2. The outer diameters of the first nut 5 and the second nut 6 are smaller than the inner diameter of the deep pit part 1, which can facilitate the operation of the first nut 5 and the second nut 6 in the deep pit part 1.

[0016] An auxiliary tube 14 is provided on the outer movable sleeve of the mounting rod 2, the inner side of the auxiliary tube 14 is threadedly connected to the first thread groove 3, the bottom end of the auxiliary tube 14 is fixedly connected to the top end of the first nut 5, and the first nut 5 is further positioned by installing the auxiliary tube 14 on the mounting rod 2.

[0017] Working principle: First, insert one end of the mounting rod 2 into the deep pit part 1, then sleeve the second nut 6 on the mounting rod 2, and fix the mounting rod 2 on the deep pit part 1 through the second thread groove 4, then sleeve the shock-absorbing rubber pad 11, the anti-skid pad 10 and the gasket 7 on the mounting rod 2 in sequence, then penetrate the shock-absorbing rubber pad 11, the anti-skid pad 10 and the gasket 7 and insert them into the slot 9, so that the positioning rod 8 positions the shock-absorbing rubber pad 11, the anti-skid pad 10 and the gasket 7, then sleeve the first nut 5 on the mounting rod 2, and install the first nut 5 on the mounting rod 2 through the first thread groove 3, and at the same time install the auxiliary tube 14 on the mounting rod 2 to further position the first nut 5, so that the first nut 5 presses the shock-absorbing rubber pad 11, the anti-skid pad 10 and the gasket 7 to limit the second nut 6, so as to avoid the nut from loosening during installation, thereby achieving the purpose of improving stability.

[0018] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A nut anti-loosening structure in a deep hole, comprising a deep hole component (1) and a mounting rod (2), characterized in that: The mounting rod (2) is movably inserted at the bottom of the deep pit part (1); a limiting plate (13) is fixedly provided at the bottom end of the mounting rod (2); one side of the limiting plate (13) is in contact with the bottom end of the deep pit part (1); a first thread groove (3) is provided on the outer side of the mounting rod (2); a second thread groove (4) is provided on the outer side of the mounting rod (2); a first nut (5) is movably sleeved on the outer side of the mounting rod (2); the inner side of the first nut (5) is threadedly connected to the first thread groove (3); a second nut (6) is movably sleeved on the outer side of the mounting rod (2); the second nut (6) is located below the first nut (5); the inner side of the second nut (6) is threadedly connected to the second thread groove (4); a gasket (7) is movably sleeved on the outer side of the mounting rod (2); the gasket (7) is located between the first nut (5) and the second nut (6); and the outer side of the gasket (7) is movably penetrated by symmetrically distributed positioning rods (8).

2. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: The top end of the second nut (6) is provided with symmetrically distributed slots (9), and the bottom end of the positioning rod (8) is inserted into the slots (9).

3. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: The outer side of the positioning rod (8) is movably provided with symmetrically distributed anti-skid pads (10), and the two anti-skid pads (10) are located on both sides of the gasket (7).

4. A nut anti-loosening structure in a deep hole as claimed in claim 3, characterized in that: The outer movable sleeve of the positioning rod (8) is provided with symmetrically distributed shock-absorbing rubber pads (11), and the two shock-absorbing rubber pads (11) are located on the opposite sides of the two anti-slip pads (10).

5. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: An annular sliding groove (12) is provided at the bottom end of the first nut (5), and the top end of the positioning rod (8) is movably inserted into the annular sliding groove (12).

6. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: An auxiliary tube (14) is provided on the outer movable sleeve of the mounting rod (2), the inner side of the auxiliary tube (14) is threadedly connected to the first thread groove (3), and the bottom end of the auxiliary tube (14) is fixedly connected to the top end of the first nut (5).

7. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: The thread directions of the first thread groove (3) and the second thread groove (4) are opposite and staggered.

8. A nut anti-loosening structure in a deep hole as claimed in claim 1, characterized in that: The outer diameters of the first nut (5) and the second nut (6) are smaller than the inner diameter of the deep pit component (1).

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