CN221299752U - Rust-proof screw nut - Google Patents
Rust-proof screw nut Download PDFInfo
- Publication number
- CN221299752U CN221299752U CN202322701711.9U CN202322701711U CN221299752U CN 221299752 U CN221299752 U CN 221299752U CN 202322701711 U CN202322701711 U CN 202322701711U CN 221299752 U CN221299752 U CN 221299752U
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- CN
- China
- Prior art keywords
- bolt
- sliding
- nut
- rust
- mounting hole
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a rust-proof screw nut, which comprises a mounting plate, wherein the top surface of the mounting plate is provided with a mounting hole, a bolt is sleeved in the mounting hole, the outer edge thread of the bolt is sleeved with a nut which is abutted against the bottom surface of the mounting plate, the screw end of the bolt is radially provided with a plurality of equidistant annular grooves, the grooves are positioned in the mounting hole, each groove is radially and slidably connected with an inclined block which is abutted against the inner wall of the mounting hole, the bottom surface of the head of the bolt is axially and telescopically connected with a first sealing ring which is abutted against the top surface of the mounting plate, the top surface of the nut is axially and telescopically connected with a second sealing ring which is abutted against the bottom surface of the mounting plate, and the whole of the bolt and the nut is provided with a layer of electroplated layer. According to the utility model, the first sealing ring and the second sealing ring play a role in sealing the mounting hole, so that rainwater is prevented from seeping into the mounting hole, and corrosion is caused to threads on the bolt and the nut, so that the threads on the bolt and the nut are wetted and rusted, and fracture occurs.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a rust-proof screw nut.
Background
The fastener is widely used in the 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, meters, articles and the like, so that the fastener is the most widely used mechanical base member, but the existing screw and nut still have a certain problem, and certain inconvenience is brought to the use of the screw and nut.
However, most screw nuts are difficult to seal with objects in contact in the use process, rainwater easily flows in from gaps, and threads on the screw nuts are corroded to influence use.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a rust-proof screw nut.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a screw nut of rust-resistant corrosion, includes the mounting panel, the mounting hole is seted up to the top surface of mounting panel, the downthehole cover joint bolt of mounting, the outer fringe screw thread of bolt cup joint with the nut of mounting panel bottom surface butt, a plurality of equidistance annular distribution's recess is radially seted up to the screw rod end of bolt, the recess is located in the mounting hole, every each radial sliding connection in the recess one with the sloping block of mounting hole inner wall butt, the head bottom surface axial telescopic connection of bolt one with the first sealing ring of mounting panel top surface butt, the top surface axial telescopic connection of nut one with the second sealing ring of mounting panel bottom surface butt, the bolt with the whole of nut is equipped with the one deck plating layer.
As a further description of the above technical solution: two first sliding grooves which are axially symmetrical are respectively and radially formed in the inner wall of each groove, a first sliding block is respectively and slidably connected in each first sliding groove, the two first sliding blocks are respectively fixed on two sides of each inclined block, a plurality of first springs which are distributed at equal intervals are horizontally fixed in each groove, and each first spring is fixedly connected with the end face of each inclined block.
As a further description of the above technical solution: the bottom surface of bolt head axial is offered first ring channel, the roof vertical fixation of first ring channel a plurality of equidistance annular distribution's second spring, a plurality of the terminal fixed first support ring jointly of second spring, first support ring axial sliding connection is in the first ring channel, first sealing ring fixed connection is in the bottom surface of first support ring.
As a further description of the above technical solution: the top surface of nut axial is offered the second ring channel, the diapire vertical fixation of second ring channel a plurality of equidistance annular distribution's third spring, a plurality of the terminal second support ring that fixes jointly of third spring, second support ring axial sliding connection is in the second ring channel, the second sealing ring is fixed the top surface of second support ring.
As a further description of the above technical solution: two radially symmetrical second sliding grooves are axially formed in the inner wall of the first annular groove, each second sliding groove is internally and respectively connected with a second sliding block in a sliding mode, and the two second sliding blocks are respectively fixed on two sides of the first supporting ring.
As a further description of the above technical solution: two radially symmetrical third sliding grooves are axially formed in the inner wall of the second annular groove, a third sliding block is connected in each third sliding groove in a sliding mode, and the two third sliding blocks are respectively fixed on two sides of the second supporting ring.
The utility model has the following beneficial effects:
Compared with the prior art, the rust-proof screw nut has the advantages that the screw ends of the bolts are connected with a plurality of inclined blocks which are in butt joint with the inner wall of the mounting hole in a telescopic manner, the bottom surface of the head of the bolts and the top surface of the nut are respectively connected with the first sealing ring and the second sealing ring which are in butt joint with the mounting plate in a telescopic manner, the mounting hole is sealed, rainwater is prevented from seeping into the mounting hole, corrosion is caused to threads on the bolts and the nuts, the threads on the bolts and the nuts are affected with damp and rust, and breakage occurs.
Drawings
FIG. 1 is a perspective view of the whole structure of a rust-proof screw nut according to the present utility model;
FIG. 2 is a front cross-sectional view of the whole structure of a rust-proof screw nut according to the present utility model;
FIG. 3 is an enlarged view of the structure of the screw nut of FIG. 2A showing corrosion protection according to the present utility model;
FIG. 4 is an enlarged view of the structure of the screw nut of FIG. 2B;
Fig. 5 is an enlarged view of the structure of fig. 2C of a rust-proof screw nut according to the present utility model.
Legend description:
1. A mounting plate; 2. a bolt; 3. a nut; 4. a mounting hole; 5. a sloping block; 6. a groove; 7. a first seal ring; 8. a first annular groove; 9. a second annular groove; 10. a second seal ring; 11. a first spring; 12. a first slider; 13. a first chute; 14. a second spring; 15. a first support ring; 16. a second slider; 17. a second chute; 18. a third chute; 19. a third slider; 20. a second support ring; 21. and a third spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a rust-proof screw nut: the anti-rust mounting device comprises a mounting plate 1, wherein a mounting hole 4 is formed in the top surface of the mounting plate 1, a bolt 2 is sleeved in the mounting hole 4, a plurality of equidistant annular grooves 6 are formed in the screw end of the bolt 2 in a radial mode, the grooves 6 are positioned in the mounting hole 4, each groove 6 is radially and slidably connected with an inclined block 5 which is abutted against the inner wall of the mounting hole 4, two axially symmetrical first sliding grooves 13 are formed in the inner wall of each groove 6 in a radial mode, each first sliding groove 13 is slidably connected with a first sliding block 12, the two first sliding blocks 12 are respectively fixed on two sides of the inclined block 5, a plurality of equidistant first springs 11 are horizontally fixed in the grooves 6, each first spring 11 is fixedly connected with the end face of the inclined block 5, the bottom face of the head of the bolt 2 is axially and telescopically connected with a first sealing ring 7 which is abutted against the top face of the mounting plate 1, the top face of the nut 3 is axially and telescopically connected with a second sealing ring 10 which is abutted against the bottom face of the mounting plate 1, and a layer of the whole of the bolt 2 and the nut 3 is provided;
The bottom surface of the head of the bolt 2 is axially provided with a first annular groove 8, the top wall of the first annular groove 8 is vertically fixed with a plurality of second springs 14 distributed in an annular mode at equal intervals, the tail ends of the second springs 14 are jointly fixed with a first supporting ring 15, the first supporting ring 15 is axially and slidably connected in the first annular groove 8, the inner wall of the first annular groove 8 is axially provided with two radially symmetrical second sliding grooves 17, each second sliding groove 17 is internally and slidably connected with a second sliding block 16, the two second sliding blocks 16 are respectively fixed on two sides of the first supporting ring 15, and the first sealing ring 7 is fixedly connected with the bottom surface of the first supporting ring 15;
the top surface of the nut 3 is axially provided with a second annular groove 9, the bottom wall of the second annular groove 9 is vertically fixed with a plurality of third springs 21 distributed in an annular mode at equal intervals, the tail ends of the third springs 21 are jointly fixed with a second supporting ring 20, the second supporting ring 20 is axially and slidably connected in the second annular groove 9, the inner wall of the second annular groove 9 is axially provided with two radially symmetrical third sliding grooves 18, each third sliding groove 18 is internally and slidably connected with a third sliding block 19, the two third sliding blocks 19 are respectively fixed on two sides of the second supporting ring 20, and the second sealing ring 10 is fixed on the top surface of the second supporting ring 20.
The bolt end of the bolt 2 is telescopically connected with a plurality of inclined blocks 5 which are abutted against the inner wall of the mounting hole 4, and the bottom surface of the head of the bolt 2 and the top surface of the nut 3 are respectively telescopically connected with a first sealing ring 7 and a second sealing ring 10 which are abutted against the mounting plate 1, so that the mounting hole 4 is sealed, rainwater is prevented from seeping into the mounting hole 4, corrosion is caused to threads on the bolt 2 and the nut 3, the threads on the bolt 2 and the nut 3 are wetted and rusted, and breakage occurs;
Working principle: when the screw bolt 2 is used, firstly, the screw bolt 2 is sleeved in the mounting hole 4 of the mounting plate 1, the inclined block 5 at the outer edge of the screw bolt 2 enters into the mounting hole 4 under the action of the inclined surface of the screw bolt 2, and is compressed simultaneously, the inclined block 5 is in contact with the inner wall of the mounting hole 4 according to the radial direction of the mounting hole 4, the rotating direction of the screw bolt 2 is limited, then the screw nut 3 is connected with the medical care screw bolt 2, the second sealing ring 10 is installed upwards during connection, then the screw nut 3 is rotated, the screw nut 3 is enabled to ascend until the second sealing ring 10 is in contact with the bottom surface of the mounting plate 1, the screw bolt 2 is driven by the screw nut 3 to descend by a small extent, the first sealing ring 7 is in contact with the top surface of the mounting plate 1 until the top surface of the screw nut 3 is in contact with the bottom surface of the mounting plate 1, the bottom surface of the head of the screw bolt 2 is in contact with the top surface of the mounting plate 1, meanwhile, the second spring 14 and the first spring 11 are compressed, and the first sealing ring 10 are respectively applied with a thrust force to one side 1, the first sealing ring 7 and the second sealing ring 10 are respectively, the first sealing ring 10 and the first sealing ring 1 are respectively compressed simultaneously, and the screw bolt 4 are respectively prevented from being broken, and the screw bolt 2 is prevented from being corroded by the screw bolt 2 and the screw bolt 2 is tightly arranged in the mounting hole, and the mounting hole is prevented from being broken, and the screw bolt 2 is broken, and the screw bolt is broken.
Finally, it should be noted that: while the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the foregoing embodiments may be modified and equivalents may be substituted for elements thereof without departing from the spirit and principles of the utility model .
Claims (6)
1. The utility model provides a screw nut of rust-resistant corrosion, includes mounting panel (1), mounting hole (4) are seted up to the top surface of mounting panel (1), install in hole (4) in-connection bolt (2), the outer fringe screw thread of bolt (2) cup joint with nut (3) of mounting panel (1) bottom surface butt, its characterized in that: the screw rod end of bolt (2) radially sets up recess (6) that a plurality of equidistance annular distributes, recess (6) are located in mounting hole (4), every each radial sliding connection in recess (6) with sloping block (5) of mounting hole (4) inner wall butt, the head bottom surface axial telescopic connection of bolt (2) one with first sealing ring (7) of mounting panel (1) top surface butt, the top surface axial telescopic connection of nut (3) one with second sealing ring (10) of mounting panel (1) bottom surface butt, the whole of bolt (2) with nut (3) is equipped with the one deck plating layer.
2. A rust-resistant screw nut according to claim 1, characterized in that: two first sliding grooves (13) which are axially symmetrical are respectively and radially formed in the inner wall of each groove (6), each first sliding groove (13) is internally and respectively connected with a first sliding block (12) in a sliding mode, the two first sliding blocks (12) are respectively fixed on two sides of each inclined block (5), a plurality of first springs (11) which are distributed at equal intervals are horizontally fixed in each groove (6), and each first spring (11) is fixedly connected with the end face of each inclined block (5).
3. A rust-resistant screw nut according to claim 1, characterized in that: the bolt is characterized in that a first annular groove (8) is axially formed in the bottom surface of the head of the bolt (2), a plurality of second springs (14) distributed in an annular mode at equal intervals are vertically fixed on the top wall of the first annular groove (8), a first supporting ring (15) is jointly fixed at the tail ends of the second springs (14), the first supporting ring (15) is axially and slidably connected in the first annular groove (8), and the first sealing ring (7) is fixedly connected to the bottom surface of the first supporting ring (15).
4. A rust-resistant screw nut according to claim 1, characterized in that: the nut is characterized in that a second annular groove (9) is axially formed in the top surface of the nut (3), a plurality of third springs (21) distributed in an annular mode at equal intervals are vertically fixed to the bottom wall of the second annular groove (9), a second supporting ring (20) is jointly fixed to the tail ends of the plurality of third springs (21), the second supporting ring (20) is axially and slidably connected in the second annular groove (9), and a second sealing ring (10) is fixed to the top surface of the second supporting ring (20).
5. A rust-resistant screw nut according to claim 3, characterized in that: two radially symmetrical second sliding grooves (17) are axially formed in the inner wall of the first annular groove (8), each second sliding groove (17) is internally and respectively connected with a second sliding block (16) in a sliding mode, and the two second sliding blocks (16) are respectively fixed on two sides of the first supporting ring (15).
6. A rust-resistant screw nut according to claim 4, characterized in that: two radially symmetrical third sliding grooves (18) are axially formed in the inner wall of the second annular groove (9), each third sliding groove (18) is internally and respectively connected with a third sliding block (19) in a sliding mode, and the two third sliding blocks (19) are respectively fixed on two sides of the second supporting ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701711.9U CN221299752U (en) | 2023-10-09 | 2023-10-09 | Rust-proof screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701711.9U CN221299752U (en) | 2023-10-09 | 2023-10-09 | Rust-proof screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299752U true CN221299752U (en) | 2024-07-09 |
Family
ID=91746310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322701711.9U Active CN221299752U (en) | 2023-10-09 | 2023-10-09 | Rust-proof screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299752U (en) |
-
2023
- 2023-10-09 CN CN202322701711.9U patent/CN221299752U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |