CN216382174U - High-strength nut fastener - Google Patents
High-strength nut fastener Download PDFInfo
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- CN216382174U CN216382174U CN202122579728.2U CN202122579728U CN216382174U CN 216382174 U CN216382174 U CN 216382174U CN 202122579728 U CN202122579728 U CN 202122579728U CN 216382174 U CN216382174 U CN 216382174U
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- nut fastener
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Abstract
The utility model belongs to the technical field of fasteners, in particular to a high-strength nut fastener, which aims at solving the problems that the using length of a stud is not convenient to adjust and the nut is easy to loosen in the using process of the existing nut fastener, and the utility model provides a scheme that the high-strength nut fastener comprises the stud, wherein a first nut is arranged on the outer side of the stud in a threaded manner, a sealing cover is fixedly arranged at the top of the first nut through welding, an adjusting mechanism is arranged on the first nut, a second nut is arranged on the outer side of the stud in a threaded manner, an annular groove is formed in the top of the second nut, a gasket is slidably arranged in the annular groove, a rubber pad is fixedly arranged at the top of the gasket through a bolt, two symmetrical threaded holes are formed in the inner wall of the bottom of the annular groove, and bolts are arranged in the two threaded holes in a threaded manner, simple structure and convenient use.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a high-strength nut fastener.
Background
The nut is a nut, and is a part screwed together with a bolt or a screw rod to play a role in fastening, and all production and manufacturing machines are required to be used as one element, and the nut is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials. The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts.
In the prior art, when the nut fastener is used, the using length of a stud cannot be adjusted conveniently, and the nut is easy to loosen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the using length of a stud is not convenient to adjust and a nut is easy to loosen in the using process of a nut fastener, and provides a high-strength nut fastener.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a high strength nut fastener, including the double-screw bolt, first nut is installed to the outside screw thread of double-screw bolt, the top of first nut is through welded fastening installs sealed lid, be provided with adjustment mechanism on the first nut, the second nut is installed to the outside screw thread of double-screw bolt, the ring channel has been seted up at the top of second nut, slidable mounting has the packing ring in the ring channel, bolt fixed mounting has the rubber pad through bolt fixed mounting at the top of packing ring, two screw holes of symmetry are seted up to the bottom inner wall of ring channel, the bolt is installed to the equal screw thread in two screw holes, the outside of two bolts all is equipped with the bearing through the fixed cover of welding, the outside of two bearings all passes through welded fastening with the bottom of packing ring and is connected, when rotating two bolts, two bolts can drive the vertical rebound of packing ring.
Preferably, the adjusting mechanism comprises two clamping columns, two symmetrical sliding grooves are formed in the inner walls of the two first nuts, the outer sides of the two clamping columns are respectively in sliding connection with the inner walls of the two sliding grooves, a plurality of clamping grooves are formed in the outer side of the stud, and the clamping columns are matched with the clamping grooves.
Preferably, the inner wall of one side of the two sliding grooves is provided with a sliding hole, the two sliding holes are internally provided with pull rods in a sliding way, and one ends of the two pull rods are fixedly connected with one side of the two clamping columns through welding respectively.
Preferably, one side of each of the two clamping columns is fixedly connected with a compression spring through welding, one end of each of the two compression springs is fixedly connected with the inner wall of one side of each of the two sliding grooves through welding, and the two compression springs are sleeved on the outer sides of the two pull rods respectively.
Compared with the prior art, the utility model has the advantages that:
1. this scheme is when two pull rods of pulling keep away from each other, and then card post and draw-in groove separation, and then can rotate the vertical removal of first nut, through card post and a plurality of draw-in groove matched with setting to can adjust the use length of double-screw bolt.
2. This scheme is when rotating two bolts, and two bolts can drive the vertical rebound of packing ring, and the packing ring drives the vertical rebound of rubber pad, and the mounting is treated in the extrusion of rubber circle to can avoid the second nut to produce not hard up phenomenon.
The utility model can conveniently adjust the using length of the stud in the using process, and the nut is not easy to loosen, and has simple structure and convenient use.
Drawings
FIG. 1 is a perspective schematic view of a high strength nut fastener according to the present invention;
FIG. 2 is a front view of a high strength nut fastener according to the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2 of a high strength nut fastener in accordance with the present invention;
fig. 4 is an enlarged schematic structural view of a portion B of fig. 2 of a high strength nut fastener according to the present invention.
In the figure: 1. a stud; 2. a first nut; 3. a second nut; 4. a card slot; 5. a chute; 6. clamping the column; 7. a pull rod; 8. a compression spring; 9. a bolt; 10. an annular groove; 11. a bearing; 12. a gasket; 13. a rubber pad; 14. and (7) sealing the cover.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a high strength nut fastener, including double-screw bolt 1, first nut 2 is installed to the outside screw thread of double-screw bolt 1, the top of first nut 2 is through welded fastening installs sealed lid 14, be provided with adjustment mechanism on first nut 2, second nut 3 is installed to the outside screw thread of double-screw bolt 1, ring channel 10 has been seted up at the top of second nut 3, slidable mounting has packing ring 12 in ring channel 10, the top fixed mounting of packing ring 12 has rubber pad 13, two symmetrical screw holes have been seted up to the bottom inner wall of ring channel 10, bolt 9 is installed to two screw downthehole equal screw threads, the outside of two bolts 9 all is equipped with bearing 11 through the fixed cover of welding, the outside of two bearings 11 all passes through welded fastening with the bottom of packing ring 12 and is connected, when rotating two bolts 9, two bolts 9 can drive packing ring 12 vertical rebound.
In this embodiment, adjustment mechanism includes two card posts 6, and two spouts 5 of symmetry are seted up to the inner wall of two first nuts 2, and the outside of two card posts 6 respectively with the inner wall sliding connection of two spouts 5, a plurality of draw-in grooves 4 have been seted up in the outside of double-screw bolt 1, and through card post 6 and draw-in groove 4 matched with setting, two card posts 6 can carry out position control to first nut 2.
In this embodiment, the slide opening has all been seted up to one side inner wall of two spouts 5, and equal slidable mounting has pull rod 7 in two slide openings, and the one end of two pull rods 7 is connected through welded fastening with one side of two card posts 6 respectively, and when pulling two pull rods 7 horizontal migration, two pull rods 7 can drive two card posts 6 horizontal migration respectively.
In this embodiment, one side of two calorie of posts 6 all is connected with compression spring 8 through welded fastening, and the one end of two compression spring 8 passes through welded fastening with one side inner wall of two spouts 5 respectively to be connected, and two compression spring 8 overlap respectively and establish in the outside of two pull rods 7, and when calorie of post 6 and draw-in groove 4 clamped mutually, two compression spring 8 can play the effect of exerting force to two calorie of posts 6 respectively through the deformation power.
In the working principle, when in use, the two pull rods 7 can be pulled to be away from each other, the two pull rods 7 respectively drive the two clamping columns 6 to be away from each other, and then the two clamping columns 6 are respectively separated from the two clamping grooves 4, then the first nut 2 is rotated, the using length of the stud 1 can be adjusted, the two pull rods 7 are loosened through the arrangement that the clamping columns 6 are matched with the clamping grooves 4, the two compression springs 8 can respectively drive the two clamping columns 6 to reset through deformation force, and the two clamping columns 6 can limit the first nut 2, then the second nut 3 is rotated, when the second nut 3 vertically moves upwards to a certain position, the second nut 3 can fix the fixing piece to be fixed, then two bolts 9 are rotated, the two bolts 9 drive the gasket 12 and the rubber pad 13 to vertically move upwards, and the rubber pad 13 extrudes the to-be-fixed piece to generate friction force, so that looseness generated in the use process of the second nut 3 can be avoided.
Example two
The difference from the first embodiment is that: the outer side of the stud 1 is provided with a first nut 2 in a threaded manner, the top of the first nut 2 is fixedly provided with a sealing cover 14 by welding, the first nut 2 is provided with an adjusting mechanism, the outer side of the stud 1 is provided with a second nut 3 in a threaded manner, the bottom of the second nut 3 is provided with an annular threaded groove, a threaded sleeve is arranged in the annular threaded groove in a threaded manner, the bottom of the threaded sleeve is fixedly provided with a sealing plate, the top of the second nut 3 is provided with an annular groove 10, a gasket 12 is slidably arranged in the annular groove 10, the top of the gasket 12 is fixedly provided with a rubber pad 13, the inner wall of the bottom of the annular groove 10 is provided with two symmetrical threaded holes, bolts 9 are arranged in the two threaded holes in a threaded manner, the outer sides of the two bolts 9 are respectively provided with a bearing 11 by welding and fixing sleeves, the outer sides of the two bearings 11 are respectively fixedly connected with the bottom of the gasket 12 by welding, when the two bolts 9 are rotated, the two bolts 9 can carry the washer 12 vertically upwards.
The working principle is that when the fixing tool is used, the two pull rods 7 can be pulled to be away from each other, the two pull rods 7 respectively drive the two clamping columns 6 to be away from each other, the two clamping columns 6 are respectively separated from the two clamping grooves 4, then the first nut 2 is rotated, further the using length of the stud 1 can be adjusted, the two pull rods 7 are loosened through the arrangement that the clamping columns 6 are matched with the clamping grooves 4, the two compression springs 8 can respectively drive the two clamping columns 6 to reset through deformation force, further the two clamping columns 6 can limit the first nut 2, then the second nut 3 is rotated, when the second nut 3 vertically moves upwards to a certain position, the second nut 3 can fix a to-be-fixed part, then the two bolts 9 are rotated, the two bolts 9 drive the gasket 12 and the rubber pad 13 to vertically move upwards, the rubber pad 13 extrudes the to-be-fixed part to generate friction force, and therefore the second nut 3 can be prevented from being loosened in the using process, when the installation is fixed to be accomplished, can be through installing threaded sleeve screw thread in annular thread groove, and then threaded sleeve and closing plate can seal double-screw bolt and second nut junction, avoid steam to corrode the damage.
The rest is the same as the first embodiment.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. The utility model provides a high strength nut fastener, includes double-screw bolt (1), a serial communication port, first nut (2) are installed to the outside screw thread of double-screw bolt (1), the top fixed mounting of first nut (2) has sealed lid (14), be provided with adjustment mechanism on first nut (2), second nut (3) are installed to the outside screw thread of double-screw bolt (1), ring channel (10) have been seted up at the top of second nut (3), slidable mounting has packing ring (12) in ring channel (10), the top fixed mounting of packing ring (12) has rubber pad (13).
2. The high-strength nut fastener according to claim 1, characterized in that the adjusting mechanism comprises two clamping columns (6), two symmetrical sliding grooves (5) are formed in the inner walls of the two first nuts (2), the outer sides of the two clamping columns (6) are respectively connected with the inner walls of the two sliding grooves (5) in a sliding manner, a plurality of clamping grooves (4) are formed in the outer side of the stud (1), and the clamping columns (6) are matched with the clamping grooves (4).
3. The high-strength nut fastener according to claim 2, wherein the inner walls of one side of the two sliding grooves (5) are provided with sliding holes, the two sliding holes are provided with pull rods (7) in a sliding manner, and one ends of the two pull rods (7) are fixedly connected with one sides of the two clamping columns (6) respectively.
4. The high-strength nut fastener according to claim 2, wherein one side of each of the two clamping columns (6) is fixedly connected with a compression spring (8), one end of each of the two compression springs (8) is fixedly connected with the inner wall of one side of each of the two sliding grooves (5), and the two compression springs (8) are respectively sleeved on the outer sides of the two pull rods (7).
5. The high-strength nut fastener according to claim 1, characterized in that the inner wall of the bottom of the annular groove (10) is provided with two symmetrical threaded holes, bolts (9) are installed in the two threaded holes in a threaded manner, bearings (11) are fixedly sleeved on the outer sides of the two bolts (9), and the outer sides of the two bearings (11) are fixedly connected with the bottom of the washer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122579728.2U CN216382174U (en) | 2021-10-26 | 2021-10-26 | High-strength nut fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122579728.2U CN216382174U (en) | 2021-10-26 | 2021-10-26 | High-strength nut fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382174U true CN216382174U (en) | 2022-04-26 |
Family
ID=81246743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122579728.2U Active CN216382174U (en) | 2021-10-26 | 2021-10-26 | High-strength nut fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382174U (en) |
-
2021
- 2021-10-26 CN CN202122579728.2U patent/CN216382174U/en active Active
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