CN210034054U - Fastener for nuclear power - Google Patents
Fastener for nuclear power Download PDFInfo
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- CN210034054U CN210034054U CN201920570493.0U CN201920570493U CN210034054U CN 210034054 U CN210034054 U CN 210034054U CN 201920570493 U CN201920570493 U CN 201920570493U CN 210034054 U CN210034054 U CN 210034054U
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- screw bolt
- connecting rod
- fastener
- groove
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Abstract
The utility model discloses a fastener for nuclear power belongs to fastener technical field, including lower packing ring, one side at the top of lower packing ring is connected with the top washer through the round pin axle is articulated, and the top of top washer is provided with the double-screw bolt, the outside of double-screw bolt is rotated and is connected with the nut, and one side of double-screw bolt is provided with the connecting rod that runs through to the double-screw bolt opposite side, one side of connecting rod is provided with the installation piece, and the inside of installation piece is provided with the bracing piece, the both ends of bracing piece all are provided with reset spring, and reset spring's one end is provided with the dop that. The utility model discloses a connecting rod that sets up can run through the double-screw bolt, and the installation piece that connecting rod one side set up simultaneously can block and put in the inside of first draw-in groove, the cooperation of nut and double-screw bolt in addition for the double-screw bolt can be fixed upper washer and lower gasket mutually effectively, avoids the part to drop and causes unnecessary trouble, and the part can be avoided receiving the damage to the protection pad of the inside setting of upper groove and low groove simultaneously.
Description
Technical Field
The utility model relates to a fastener technical field specifically is a fastener for nuclear power.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, including industries of energy, electronics, electrical appliances, machinery, chemical engineering, 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 engineering, instruments, supplies and the like, and is a mechanical basic part which has the most wide application, and the fastener for nuclear power is one of the mechanical basic parts.
But the effect of current fastener for nuclear power is not good, leads to droing or even fracture between the part for a long time to cause considerable influence to nuclear power plant equipment safety, project engineering and investment, although current fastener for nuclear power scribbles anticorrosive picture layer on the surface, the part is corroded easily to the moisture for a long time still, leads to fastener and part to fuse and rust, has influenced work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the nuclear power fastener aims to solve the problems that an existing nuclear power fastener is poor in effect and causes the parts to fall off or even break for a long time, so that the safety, project engineering and investment of nuclear power plant equipment are greatly affected, and meanwhile, although an anti-corrosion pattern layer is coated on the surface of the existing nuclear power fastener, the parts are easily corroded by moisture for a long time, the fastener is made to be mutually fused with the parts and rusted, and the working efficiency is affected.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fastener for nuclear power, includes lower packing ring, one side at the top of lower packing ring is connected with the upper washer through the round pin axle is articulated, and the top of upper washer is provided with the double-screw bolt, the outside of double-screw bolt is rotated and is connected with the nut, and one side of double-screw bolt is provided with the connecting rod that runs through to the double-screw bolt opposite side, one side of connecting rod is provided with the installation piece, and the inside of installation piece is provided with the bracing piece, the both ends of bracing piece all are provided with reset spring, and reset spring's one end is provided with the dop that extends to the installation piece outside, one side of lower packing ring is provided with the first draw-.
Preferably, the middle position department at lower gasket top is provided with the low groove, the middle position department of upper gasket bottom is provided with the upper groove, and the inside of upper groove and low groove all is provided with the protection pad, the material of protection pad is silica gel.
Preferably, one side of the connecting rod is provided with an installation cover, a second internal thread is arranged in the installation cover, a second external thread is arranged on the outer side of the connecting rod, and the second external thread is matched with the second internal thread.
Preferably, the bottom of the outer side of the stud is provided with a through hole, and the through hole is matched with the connecting rod.
Preferably, the first clamping groove is matched with the mounting block, and the second clamping groove is matched with the clamping head.
Preferably, the outer side of the stud is provided with a first external thread, the inner part of the nut is provided with a first internal thread, and the first internal thread is matched with the first external thread.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a connecting rod that sets up can run through the double-screw bolt, the installation piece that connecting rod one side set up simultaneously can block the inside of putting at first draw-in groove, the cooperation of nut and double-screw bolt in addition, make the double-screw bolt can be fixed upper washer and lower gasket mutually effectively, avoid the part to drop and cause unnecessary trouble, the part can be avoided receiving the damage to the protection pad of the inside setting of upper groove and low groove simultaneously, the protection pad is the silica gel material simultaneously, can adsorb vapor, avoid the part to rust, also avoid upper washer and lower gasket to be heated with the part simultaneously and melt mutually.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention showing the connection rod engaged with the stud;
FIG. 3 is a schematic structural view of the mounting block of the present invention matching with the lower gasket;
FIG. 4 is an enlarged view of the present invention A;
fig. 5 is a schematic structural view of the stud and nut of the present invention.
In the figure: 1. a lower gasket; 2. an upper gasket; 3. a lower groove; 4. an upper groove; 5. a protection pad; 6. a pin shaft; 7. a stud; 8. a nut; 9. a first external thread; 10. a connecting rod; 11. mounting blocks; 12. installing a cover; 13. a through hole; 14. a second internal thread; 15. a second external thread; 16. a first internal thread; 17. a second card slot; 18. a support bar; 19. a return spring; 20. clamping a head; 21. a first card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a fastener for nuclear power includes a lower washer 1, an upper washer 2 is hinged to one side of the top of the lower washer 1 through a pin shaft 6, a stud 7 is disposed on the top of the upper washer 2, a nut 8 is rotatably connected to the outer side of the stud 7, a connecting rod 10 penetrating through the other side of the stud 7 is disposed on one side of the stud 7, a mounting block 11 is disposed on one side of the connecting rod 10, a support rod 18 is disposed inside the mounting block 11, return springs 19 are disposed at two ends of the support rod 18, a clamp head 20 extending to the outside of the mounting block 11 is disposed at one end of each return spring 19, a plurality of first clamping grooves 21 are disposed on one side of the lower washer 1, and second clamping grooves 17 are disposed at two ends of the plurality of first clamping.
The utility model discloses a connecting rod 10 that sets up can run through double-screw bolt 7, and the installation piece 11 that connecting rod 10 one side set up simultaneously can block the inside of putting at first draw-in groove 21, the cooperation of nut 8 and double-screw bolt 7 in addition for double-screw bolt 7 can be fixed upper washer 2 and lower washer 1 mutually effectively, avoids the part to drop and causes unnecessary trouble, and the part can be avoided receiving the damage to the protection pad 5 of the inside setting of upper groove 4 and low groove 3 simultaneously.
Please refer to fig. 1, a lower groove 3 is disposed at a middle position of a top of a lower gasket 1, an upper groove 4 is disposed at a middle position of a bottom of an upper gasket 2, and protection pads 5 are disposed inside the upper groove 4 and the lower groove 3, wherein the protection pads 5 are made of silica gel.
This kind of fastener for nuclear power is the silica gel material through protection pad 5 that sets up, can adsorb vapor, avoids the part to rust, also avoids simultaneously that upper gasket 2 and lower gasket 1 are heated and are melted mutually with the part.
Please refer to fig. 1, 2, 3 and 4, a mounting cover 12 is disposed on one side of the connecting rod 10, a second internal thread 14 is disposed inside the mounting cover 12, a second external thread 15 is disposed on the outer side of the connecting rod 10, the second external thread 15 is matched with the second internal thread 14, a through hole 13 is disposed at the bottom of the outer side of the stud 7, the through hole 13 is matched with the connecting rod 10, a first engaging groove 21 is matched with the mounting block 11, and a second engaging groove 17 is matched with the engaging head 20.
The fastener for nuclear power can penetrate through the stud 7 through the arranged connecting rod 10, and meanwhile, the mounting block 11 arranged on one side of the connecting rod 10 can be clamped in the first clamping groove 21, so that the stud 7 can effectively fix the upper washer 2 and the lower washer 1.
Please refer to fig. 1, 2 and 5, the outer side of the stud 7 is provided with a first external thread 9, the inner side of the nut 8 is provided with a first internal thread 16, and the first internal thread 16 is matched with the first external thread 9.
The fastener for nuclear power can effectively fasten parts by matching the arranged stud 7 with the nut 8.
The working principle is as follows: firstly, rotating an upper washer 2, then placing a part to be fastened in a lower groove 3, then rotating the upper washer 2 to align an upper groove 4 on the upper washer 2 with the upper half part of the part, then inserting a stud 7 into a corresponding hollow hole of the upper washer 2 and the lower washer 1, then sleeving a nut 8 on the stud 7 to rotate to the maximum limit, at this time, penetrating a connecting rod 10 through the stud 7 from the inside of a through hole 13, then rotating a mounting cover 12 to mount the mounting cover 12 on one side of the connecting rod 10, simultaneously clamping a mounting block 11 in a corresponding first clamping groove 21, at this time, contracting the clamping head 20 into the inside of the mounting block 11 under pressure, after entering the first clamping groove 21, extending the clamping head 20 to the outside of the mounting block 11 again under the action of a return spring 19 and clamping in a second clamping groove 17, so that the fixing of the connecting rod 10 and the lower washer 1 is completed, and the part is fastened, the parts are prevented from falling off.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a fastener for nuclear power, includes lower packing ring (1), its characterized in that: one side at the top of lower packing ring (1) is connected with packing ring (2) through round pin axle (6) is articulated, and the top of going up packing ring (2) is provided with double-screw bolt (7), the outside of double-screw bolt (7) is rotated and is connected with nut (8), and one side of double-screw bolt (7) is provided with connecting rod (10) that run through to double-screw bolt (7) opposite side, one side of connecting rod (10) is provided with installation piece (11), and the inside of installation piece (11) is provided with bracing piece (18), the both ends of bracing piece (18) all are provided with reset spring (19), and the one end of reset spring (19) is provided with dop (20) that extend to installation piece (11) outside, one side of lower packing ring (1) is provided with first draw-in groove (21) of multiunit, multiunit the both ends of first draw.
2. The fastener of claim 1, wherein: the middle position department at lower packing ring (1) top is provided with low groove (3), the middle position department of going up packing ring (2) bottom is provided with upper groove (4), and the inside of upper groove (4) and low groove (3) all is provided with protection pad (5), the material of protection pad (5) is silica gel.
3. The fastener of claim 1, wherein: one side of the connecting rod (10) is provided with an installation cover (12), a second internal thread (14) is arranged inside the installation cover (12), a second external thread (15) is arranged on the outer side of the connecting rod (10), and the second external thread (15) is matched with the second internal thread (14).
4. The fastener of claim 1, wherein: the bottom of the outer side of the stud (7) is provided with a through hole (13), and the through hole (13) is matched with the connecting rod (10).
5. The fastener of claim 1, wherein: the first clamping groove (21) is matched with the mounting block (11), and the second clamping groove (17) is matched with the clamping head (20).
6. The fastener of claim 1, wherein: the outer side of the stud (7) is provided with a first external thread (9), a first internal thread (16) is arranged inside the nut (8), and the first internal thread (16) is matched with the first external thread (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570493.0U CN210034054U (en) | 2019-04-25 | 2019-04-25 | Fastener for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570493.0U CN210034054U (en) | 2019-04-25 | 2019-04-25 | Fastener for nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034054U true CN210034054U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920570493.0U Active CN210034054U (en) | 2019-04-25 | 2019-04-25 | Fastener for nuclear power |
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| Country | Link |
|---|---|
| CN (1) | CN210034054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081050A (en) * | 2019-04-25 | 2019-08-02 | 江苏海纬集团有限公司 | A kind of nuclear power fastener |
-
2019
- 2019-04-25 CN CN201920570493.0U patent/CN210034054U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081050A (en) * | 2019-04-25 | 2019-08-02 | 江苏海纬集团有限公司 | A kind of nuclear power fastener |
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