Reliable waterproof nut component

Abstract

The utility model discloses a reliable waterproof nut component, which comprises a nut outer shaft, and is characterized in that the inner wall of the nut outer shaft is fixedly connected with a threaded pipe, the top of the nut outer shaft is fixedly connected with a sealing shaft, the inner wall of the bottom of the nut outer shaft is movably connected with an extension shaft, the inner wall of the sealing shaft is fixedly connected with a sealing ring, and the inner wall of the extension shaft is fixedly connected with the threaded pipe. The sealing ring comprises a sealing ring shell, a plurality of position adapting blocks are fixedly connected to the inner wall of the sealing ring shell in an annular array mode, each position adapting block comprises a position adapting block bottom block, and a sliding block is slidably connected to the inner wall of the side, away from the sealing ring shell, of each position adapting block bottom block. A plurality of attaching blocks rotate on the inner wall of a sliding block through a rotating block so that the attaching blocks can be attached to the outer wall of a bolt, the sliding block presses a spring to slide on the inner wall of a bottom block of a proper block, the spring has a reset effect so that the attaching blocks can be tightly attached to the outer wall of the bolt, and therefore an assembling gap reserved in an outer shaft of a nut is sealed; and water and dust are prevented from flowing in through gaps between the threads.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof nuts, in particular to a reliable waterproof nut component. Background Art

[0002] A nut is a part that is screwed together with a bolt or a screw to fasten. 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).

[0003] According to the patent document: CN201027764Y, a waterproof nut is disclosed, which has a hexagonal or quadrangular prism shape, and has a threaded inner hole that matches with a bolt. The threaded inner hole is a structure with an open upper end and a closed lower end, so that impurities such as water and dust can be prevented from flowing into the parts through the inner hole. Further, in order to prevent the impurities such as water and dust that flow into the inner hole from overflowing from the nut head due to the lack of downstream space, the utility model designs the threaded inner hole into a small countersunk hole in the lower part to match with the bolt, and the upper part is designed to be relatively large to form a liquid storage space between the inner wall of the nut and the bolt, so that the impurities such as water and dust that flow into the inner hole are deposited in the liquid storage space and will not overflow, and its position is close to the mouth of the nut, which is also conducive to natural air drying. In addition, in order to facilitate the nut to adapt to different sizes of part installation holes, simplify the structure of the nut head, and save materials, a circle of skirt is formed on the nut head by cold forging, which is used to replace the flange or gasket of the traditional nut head and combine with the assembly part.

[0004] Currently, the nuts installed on machinery are usually not waterproof. Their outer wall is basically in the shape of a hexagonal prism or a quadrangular prism with a through hole in the center. After being assembled with any parts, a certain assembly gap will be left between them. Foreign substances including water and dust will flow in through the gaps between the threads. Long-term intrusion of water between the threads will cause rust between the threads, thereby affecting the stability of the nut and may cause the nut to slip. Utility Model Content

[0005] The purpose of the utility model is to provide a reliable waterproof nut component to solve the problem proposed in the above-mentioned background technology that after assembly with any parts, a certain assembly gap will be left between them, and foreign substances including water and dust will flow in through the gaps between the threads. Long-term intrusion of water between the threads will cause rust between the threads, thereby affecting the stability of the nut and may cause the nut to slip.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reliable waterproof nut component, comprising a nut outer shaft, characterized in that: a threaded tube is fixedly connected to the inner wall of the nut outer shaft, a sealing shaft is fixedly connected to the top of the nut outer shaft, an extension shaft is movably connected to the bottom inner wall of the nut outer shaft, and a sealing ring is fixedly connected to the inner wall of the sealing shaft;

[0007] The sealing ring comprises a sealing ring shell, and a plurality of positioning blocks are fixedly connected in an annular array on the inner wall of the sealing ring shell.

[0008] Preferably, the positioning block includes a positioning block bottom block, a slider is slidably connected to the inner wall of the positioning block bottom block away from the sealing ring shell, a side of the slider close to the inner wall of the positioning block bottom block is fixedly connected to a plurality of springs, and one end of the plurality of springs away from the slider is fixedly connected to the inner wall of the positioning block bottom block.

[0009] Preferably, the inner wall of the slider is rotatably connected to a rotating block, the side of the rotating block away from the slider is fixedly connected to a sticking block, the side of the sticking block close to the rotating block is fixedly connected to a second spring, the end of the second spring away from the sticking block is fixedly connected to a spring placement block, and the side of the spring placement block away from the second spring is fixedly connected to the inner wall of the sealing ring housing.

[0010] Preferably, the nut outer shaft comprises an outer shaft body, an outer shaft groove is formed at the bottom of the outer shaft body, and a plurality of bolts are threadedly connected in an annular array on the outer wall of the outer shaft body.

[0011] Preferably, the extension shaft comprises an extension shaft body, a plurality of thread grooves are provided in an annular array on the outer wall of the extension shaft body, and a plurality of third springs are fixedly connected in an annular array on one side of the extension shaft body close to the outer shaft body.

[0012] Preferably, the outer wall of the extension shaft body is slidably connected to the inner wall of the outer shaft groove opened at the bottom of the outer shaft body.

[0013] Preferably, the inner wall of the threaded groove is threadedly connected to the outer wall of the bolt penetrating the inner wall of the outer shaft groove, and one end of the third spring away from the extension shaft body is fixedly connected to the top of the inner wall of the outer shaft groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting a sealing shaft and a sealing ring, a number of stickers are rotated on the inner wall of the slider through a rotating block so that the stickers fit the outer wall of the bolt, and the slider presses the spring to slide on the inner wall of the bottom block of the positioning block. The spring has a reset effect so that the stickers fit tightly to the outer wall of the bolt, thereby sealing the assembly gap left by the outer shaft of the nut to prevent water and dust from flowing in through the gap between the threads;

[0016] 2. By providing an extension shaft body, after the outer shaft body is connected to any part through a threaded tube, the limit on the extension shaft body is released, and the third spring pushes the extension shaft body to fit closely to the outer wall of the mechanical connection to prevent water or dust from entering the interior of the part through the connection, which may damage the part over a long period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the sealing ring of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the positioning block of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the nut outer shaft of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the extension shaft of the utility model.

[0022] In the figure: 1. nut outer shaft; 11. outer shaft body; 12. outer shaft groove; 13. bolt; 2. threaded pipe; 3. sealing shaft; 4. sealing ring; 41. sealing ring housing; 42. positioning block; 421. positioning block bottom block; 422. spring; 423. slider; 424. rotating block; 425. sticking block; 426. second spring; 427. spring placement block; 5. extension shaft; 51. extension shaft body; 52. threaded groove; 53. third spring. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a technical solution: a reliable waterproof nut component, including a nut outer shaft 1, an inner wall of the nut outer shaft 1 is fixedly connected with a threaded tube 2, a sealing shaft 3 is fixedly connected with the top of the nut outer shaft 1, an extension shaft 5 is movably connected with the inner wall of the bottom of the nut outer shaft 1, and a sealing ring 4 is fixedly connected with the inner wall of the sealing shaft 3. When the nut is needed to fix the machine, the nut is generally sleeved to the outer wall of the bolt installed on the machine, and the nut outer shaft 1 is sleeved to the outer wall of the bolt through the threaded tube 2, and then the gap left between the bolt and the nut outer shaft 1 is sealed by the sealing ring 4 on the inner wall of the sealing shaft 3, so as to avoid a certain assembly gap between them after assembly with any parts, foreign substances including water and dust will flow in through the gap between the threads, and water will invade between the threads for a long time, causing rust between the threads, affecting the stability of the nut, and strengthening the fixation of the nut outer shaft 1 to the bolt installed on the machine. After the nut outer shaft 1 is installed, the limit of the extension shaft 5 is released, and the extension shaft 5 is reset to the outer wall of the connection to prevent water or dust from entering the part through the connection of any part.

[0025] See also Figure 2 and Figure 3 The sealing ring 4 includes a sealing ring shell 41, and a plurality of suitable blocks 42 are fixedly connected to the inner wall of the sealing ring shell 41 in an annular array. The suitable blocks 42 include a suitable block bottom block 421, and a slider 423 is slidably connected to the inner wall of the suitable block bottom block 421 away from the sealing ring shell 41. A plurality of springs 422 are fixedly connected to the side of the slider 423 close to the inner wall of the suitable block bottom block 421. One end of the plurality of springs 422 away from the slider 423 is fixedly connected to the inner wall of the suitable block bottom block 421. The inner wall of the slider 423 is rotatably connected to a rotating block 424, and a sticking block 425 is fixedly connected to the side of the rotating block 424 away from the slider 423. A second spring 426 is fixedly connected to the side of the sticking block 425 close to the rotating block 424, and a spring 426 is fixedly connected to the end of the second spring 426 away from the sticking block 425. The spring placement block 427, the side of the spring placement block 427 away from the second spring 426 is fixedly connected to the inner wall of the sealing ring housing 41. When it is necessary to use the nut outer shaft 1 to fix any part, the outer wall of the bolt installed on any part is connected through the threaded tube 2 at the bottom of the nut outer shaft 1, and the sealing ring 4 on the inner wall of the sealing shaft 3 at the top of the nut outer shaft 1 is pressed by the outer wall of the bolt. A plurality of stickers 425 are rotated on the inner wall of the slider 423 through the rotating block 424 so that the stickers 425 fit the outer wall of the bolt, and the slider 423 presses the spring 422 to slide on the inner wall of the positioning block bottom block 421. The spring 422 has a reset effect so that the sticker 425 fits tightly to the outer wall of the bolt, thereby sealing the assembly gap left by the nut outer shaft 1 to prevent water and dust from flowing in through the gap between the threads.

[0026] See also Figure 4 and Figure 5The nut outer shaft 1 includes an outer shaft body 11, an outer shaft groove 12 is provided at the bottom of the outer shaft body 11, and a plurality of bolts 13 are threadedly connected in an annular array on the outer wall of the outer shaft body 11. The extension shaft 5 includes an extension shaft body 51, a plurality of thread grooves 52 are provided in an annular array on the outer wall of the extension shaft body 51, and a plurality of third springs 53 are fixedly connected in an annular array on one side of the extension shaft body 51 close to the outer shaft body 11. The outer wall of the extension shaft body 51 is slidably connected to the inner wall of the outer shaft groove 12 provided at the bottom of the outer shaft body 11, and the inner wall of the thread groove 52 is threadedly connected to the outer shaft body 11. The third spring 53 is connected to the outer wall of the bolt 13 that penetrates the inner wall of the outer shaft groove 12, and one end of the third spring 53 away from the extension shaft body 51 is fixedly connected to the top of the inner wall of the outer shaft groove 12. When the outer shaft body 11 is connected to any part through the threaded tube 2, any bolt 13 connected to the outer wall of the outer shaft body 11 is rotated, and the bolt 13 is rotated out of the inner wall of the threaded groove 52 to release the limit on the extension shaft body 51. The third spring 53 pushes the extension shaft body 51 to fit closely to the outer wall of the mechanical connection to prevent water or dust from entering the interior of the part through the connection, which may cause damage to the part over a long period of time.

[0027] Working principle: When the device is used, when it is necessary to use the nut outer shaft 1 to fix any part, the threaded tube 2 at the bottom of the nut outer shaft 1 is connected to the outer wall of the bolt installed on any part, and the sealing ring 4 on the inner wall of the sealing shaft 3 at the top of the nut outer shaft 1 is pressed by the outer wall of the bolt, and a plurality of stickers 425 are rotated on the inner wall of the slider 423 through the rotating block 424 to make the stickers 425 fit the outer wall of the bolt, and the slider 423 presses the spring 422 to slide on the inner wall of the bottom block 421 of the suitable block, and the spring 422 has a reset effect so that the sticker 425 fits the outer wall of the bolt tightly, thereby sealing the assembly gap left by the nut outer shaft 1 to prevent water and dust from flowing in through the gap between the threads;

[0028] When the outer shaft body 11 is connected to any part through the threaded tube 2, the bolts 13 connected to the outer wall of the outer shaft body 11 are rotated out of the inner wall of the threaded groove 52 to release the limit on the extension shaft body 51. The third spring 53 pushes the extension shaft body 51 to fit tightly to the outer wall of the mechanical connection to prevent water or dust from entering the interior of the part through the connection, which may damage the part over a long period of time.

[0029] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reliable waterproof nut component, comprising a nut outer shaft (1), characterized in that: The inner wall of the nut outer shaft (1) is fixedly connected to a threaded tube (2), the top of the nut outer shaft (1) is fixedly connected to a sealing shaft (3), the bottom inner wall of the nut outer shaft (1) is movably connected to an extension shaft (5), and the inner wall of the sealing shaft (3) is fixedly connected to a sealing ring (4); The sealing ring (4) comprises a sealing ring outer shell (41), and a plurality of positioning blocks (42) are fixedly connected in an annular array to the inner wall of the sealing ring outer shell (41); The positioning block (42) comprises a positioning block bottom block (421), a sliding block (423) is slidably connected to the inner wall of the positioning block bottom block (421) at a side away from the sealing ring housing (41), a plurality of springs (422) are fixedly connected to the side of the sliding block (423) close to the inner wall of the positioning block bottom block (421), and one end of the plurality of springs (422) away from the sliding block (423) is fixedly connected to the inner wall of the positioning block bottom block (421); The inner wall of the slider (423) is rotatably connected to a rotating block (424); a side of the rotating block (424) away from the slider (423) is fixedly connected to a sticking block (425); a side of the sticking block (425) close to the rotating block (424) is fixedly connected to a second spring (426); an end of the second spring (426) away from the sticking block (425) is fixedly connected to a spring placement block (427); and a side of the spring placement block (427) away from the second spring (426) is fixedly connected to the inner wall of the sealing ring housing (41).

2. The reliable waterproof nut member according to claim 1, characterized in that: The nut outer shaft (1) comprises an outer shaft body (11), an outer shaft groove (12) is provided at the bottom of the outer shaft body (11), and a plurality of bolts (13) are threadedly connected in an annular array on the outer wall of the outer shaft body (11).

3. The reliable waterproof nut member according to claim 1, characterized in that: The extension shaft (5) comprises an extension shaft body (51), the outer wall of the extension shaft body (51) is provided with a plurality of thread grooves (52) in an annular array, and a plurality of third springs (53) are fixedly connected in an annular array on one side of the extension shaft body (51) close to the outer shaft body (11).

4. The reliable waterproof nut member according to claim 3, characterized in that: The outer wall of the extension shaft body (51) is slidably connected to the inner wall of an outer shaft groove (12) provided at the bottom of the outer shaft body (11).

5. The reliable waterproof nut member according to claim 3, characterized in that: The inner wall of the threaded groove (52) is threadedly connected to the outer wall of a bolt (13) that penetrates the inner wall of the outer shaft groove (12), and one end of the third spring (53) away from the extension shaft body (51) is fixedly connected to the top of the inner wall of the outer shaft groove (12).

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